diff --git a/boards/base/STM32F429i-Discovery/board.mk b/boards/base/STM32F429i-Discovery/board.mk deleted file mode 100644 index cbf08097..00000000 --- a/boards/base/STM32F429i-Discovery/board.mk +++ /dev/null @@ -1,7 +0,0 @@ -GFXINC += $(GFXLIB)/boards/base/STM32F429i-Discovery -GFXSRC += $(GFXLIB)/boards/base/STM32F429i-Discovery/stm32f429i_discovery_sdram.c \ - $(GFXLIB)/boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c - -GFXDEFS += -DGFX_USE_OS_CHIBIOS=TRUE -include $(GFXLIB)/drivers/gdisp/STM32LTDC/driver.mk -include $(GFXLIB)/drivers/ginput/touch/STMPE811/driver.mk diff --git a/boards/base/STM32F429i-Discovery/chibios/board.mk b/boards/base/STM32F429i-Discovery/chibios/board.mk new file mode 100644 index 00000000..292cd42e --- /dev/null +++ b/boards/base/STM32F429i-Discovery/chibios/board.mk @@ -0,0 +1,7 @@ +GFXINC += $(GFXLIB)/boards/base/STM32F429i-Discovery/chibios +GFXSRC += $(GFXLIB)/boards/base/STM32F429i-Discovery/chibios/stm32f429i_discovery_sdram.c \ + $(GFXLIB)/boards/base/STM32F429i-Discovery/chibios/stm32f4xx_fmc.c + +GFXDEFS += -DGFX_USE_OS_CHIBIOS=TRUE +include $(GFXLIB)/drivers/gdisp/STM32LTDC/driver.mk +include $(GFXLIB)/drivers/ginput/touch/STMPE811/driver.mk diff --git a/boards/base/STM32F429i-Discovery/board_STM32LTDC.h b/boards/base/STM32F429i-Discovery/chibios/board_STM32LTDC.h similarity index 95% rename from boards/base/STM32F429i-Discovery/board_STM32LTDC.h rename to boards/base/STM32F429i-Discovery/chibios/board_STM32LTDC.h index 2f125c5c..274f4890 100644 --- a/boards/base/STM32F429i-Discovery/board_STM32LTDC.h +++ b/boards/base/STM32F429i-Discovery/chibios/board_STM32LTDC.h @@ -1,213 +1,213 @@ -/* - * This file is subject to the terms of the GFX License. If a copy of - * the license was not distributed with this file, you can obtain one at: - * - * http://ugfx.org/license.html - */ - -#ifndef _GDISP_LLD_BOARD_H -#define _GDISP_LLD_BOARD_H - -#include "stm32f4xx_fmc.h" -#include "stm32f429i_discovery_sdram.h" -#include - -#define SPI_PORT &SPID5 -#define DC_PORT GPIOD -#define DC_PIN GPIOD_LCD_WRX - -static const SPIConfig spi_cfg = { - NULL, - GPIOC, - GPIOC_SPI5_LCD_CS, - ((1 << 3) & SPI_CR1_BR) | SPI_CR1_SSM | SPI_CR1_SSI | SPI_CR1_MSTR -}; - -#define ALLOW_2ND_LAYER TRUE - -static const ltdcConfig driverCfg = { - 240, 320, - 10, 2, - 20, 2, - 10, 4, - 0, - 0x000000, - { - (LLDCOLOR_TYPE *)SDRAM_BANK_ADDR, // frame - 240, 320, // width, height - 240 * LTDC_PIXELBYTES, // pitch - LTDC_PIXELFORMAT, // fmt - 0, 0, // x, y - 240, 320, // cx, cy - 0x00000000, // defcolor - 0x000000, // keycolor - LTDC_BLEND_FIX1_FIX2, // blending - 0, // palette - 0, // palettelen - 0xFF, // alpha - LTDC_LEF_ENABLE // flags - }, -#if ALLOW_2ND_LAYER - { // Foreground layer config (if turned on) - (LLDCOLOR_TYPE *)(SDRAM_DEVICE_ADDR+(240 * 320 * LTDC_PIXELBYTES)), // Frame buffer address - 240, 320, // width, height - 240 * LTDC_PIXELBYTES, // pitch - LTDC_PIXELFORMAT, // fmt - 0, 0, // x, y - 240, 320, // cx, cy - 0x00000000, // Default color (ARGB8888) - 0x000000, // Color key (RGB888) - LTDC_BLEND_MOD1_MOD2, // Blending factors - 0, // Palette (RGB888, can be NULL) - 0, // Palette length - 0xFF, // Constant alpha factor - LTDC_LEF_ENABLE // Layer configuration flags - } -#else - LTDC_UNUSED_LAYER_CONFIG -#endif -}; - -#include "ili9341.h" - -static void acquire_bus(GDisplay *g) { - (void) g; - - spiSelect(SPI_PORT); -} - -static void release_bus(GDisplay *g) { - (void) g; - - spiUnselect(SPI_PORT); -} - -static void write_index(GDisplay *g, uint8_t index) { - static uint8_t sindex; - (void) g; - - palClearPad(DC_PORT, DC_PIN); - sindex = index; - spiSend(SPI_PORT, 1, &sindex); -} - -static void write_data(GDisplay *g, uint8_t data) { - static uint8_t sdata; - (void) g; - - palSetPad(DC_PORT, DC_PIN); - sdata = data; - spiSend(SPI_PORT, 1, &sdata); -} - -static void Init9341(GDisplay *g) { - #define REG_TYPEMASK 0xFF00 - #define REG_DATAMASK 0x00FF - - #define REG_DATA 0x0000 - #define REG_COMMAND 0x0100 - #define REG_DELAY 0x0200 - - static const uint16_t initdata[] = { - REG_COMMAND | ILI9341_CMD_RESET, - REG_DELAY | 5, - REG_COMMAND | ILI9341_CMD_DISPLAY_OFF, - REG_COMMAND | ILI9341_SET_FRAME_CTL_NORMAL, 0x00, 0x1B, - REG_COMMAND | ILI9341_SET_FUNCTION_CTL, 0x0A, 0xA2, - REG_COMMAND | ILI9341_SET_POWER_CTL_1, 0x10, - REG_COMMAND | ILI9341_SET_POWER_CTL_2, 0x10, - #if 1 - REG_COMMAND | ILI9341_SET_VCOM_CTL_1, 0x45, 0x15, - REG_COMMAND | ILI9341_SET_VCOM_CTL_2, 0x90, - #else - REG_COMMAND | ILI9341_SET_VCOM_CTL_1, 0x35, 0x3E, - REG_COMMAND | ILI9341_SET_VCOM_CTL_2, 0xBE, - #endif - REG_COMMAND | ILI9341_SET_MEM_ACS_CTL, 0xC8, - REG_COMMAND | ILI9341_SET_RGB_IF_SIG_CTL, 0xC2, - REG_COMMAND | ILI9341_SET_FUNCTION_CTL, 0x0A, 0xA7, 0x27, 0x04, - REG_COMMAND | ILI9341_SET_COL_ADDR, 0x00, 0x00, 0x00, 0xEF, - REG_COMMAND | ILI9341_SET_PAGE_ADDR, 0x00, 0x00, 0x01, 0x3F, - REG_COMMAND | ILI9341_SET_IF_CTL, 0x01, 0x00, 0x06, - REG_COMMAND | ILI9341_SET_GAMMA, 0x01, - REG_COMMAND | ILI9341_SET_PGAMMA, - #if 1 - 0x0F, 0x29, 0x24, 0x0C, 0x0E, 0x09, 0x4E, 0x78, - 0x3C, 0x09, 0x13, 0x05, 0x17, 0x11, 0x00, - #else - 0x1F, 0x1a, 0x18, 0x0a, 0x0f, 0x06, 0x45, 0x87, - 0x32, 0x0a, 0x07, 0x02, 0x07, 0x05, 0x00, - #endif - REG_COMMAND | ILI9341_SET_NGAMMA, - #if 1 - 0x00, 0x16, 0x1B, 0x04, 0x11, 0x07, 0x31, 0x33, - 0x42, 0x05, 0x0C, 0x0A, 0x28, 0x2F, 0x0F, - #else - 0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3a, 0x78, - 0x4d, 0x05, 0x18, 0x0d, 0x38, 0x3a, 0x1f, - #endif - REG_COMMAND | ILI9341_CMD_SLEEP_OFF, - REG_DELAY | 10, - REG_COMMAND | ILI9341_CMD_DISPLAY_ON, - REG_COMMAND | ILI9341_SET_MEM - }; - - const uint16_t *p; - - acquire_bus(g); - for(p = initdata; p < &initdata[sizeof(initdata)/sizeof(initdata[0])]; p++) { - switch(*p & REG_TYPEMASK) { - case REG_DATA: write_data(g, *p); break; - case REG_COMMAND: write_index(g, *p); break; - case REG_DELAY: gfxSleepMilliseconds(*p & 0xFF); break; - } - } - release_bus(g); -} - -static void init_board(GDisplay *g) { - (void) g; - - palSetPadMode(GPIOA, 9, PAL_MODE_ALTERNATE(7)); // UART_TX - palSetPadMode(GPIOA, 10, PAL_MODE_ALTERNATE(7)); // UART_RX - palSetPadMode(GPIOF, GPIOF_LCD_DCX, PAL_MODE_ALTERNATE(5)); - palSetPadMode(GPIOF, GPIOF_LCD_DE, PAL_MODE_ALTERNATE(14)); - - #define STM32_SAISRC_NOCLOCK (0 << 23) /**< No clock. */ - #define STM32_SAISRC_PLL (1 << 23) /**< SAI_CKIN is PLL. */ - #define STM32_SAIR_DIV2 (0 << 16) /**< R divided by 2. */ - #define STM32_SAIR_DIV4 (1 << 16) /**< R divided by 4. */ - #define STM32_SAIR_DIV8 (2 << 16) /**< R divided by 8. */ - #define STM32_SAIR_DIV16 (3 << 16) /**< R divided by 16. */ - - #define STM32_PLLSAIN_VALUE 192 - #define STM32_PLLSAIQ_VALUE 7 - #define STM32_PLLSAIR_VALUE 4 - #define STM32_PLLSAIR_POST STM32_SAIR_DIV4 - - /* PLLSAI activation.*/ - RCC->PLLSAICFGR = (STM32_PLLSAIN_VALUE << 6) | (STM32_PLLSAIR_VALUE << 28) | (STM32_PLLSAIQ_VALUE << 24); - RCC->DCKCFGR = (RCC->DCKCFGR & ~RCC_DCKCFGR_PLLSAIDIVR) | STM32_PLLSAIR_POST; - RCC->CR |= RCC_CR_PLLSAION; - - // Initialise the SDRAM - SDRAM_Init(); - - // Clear the SDRAM - memset((void *)SDRAM_BANK_ADDR, 0, 0x400000); - - spiStart(SPI_PORT, &spi_cfg); - - Init9341(g); -} - -static GFXINLINE void post_init_board(GDisplay *g) { - (void) g; -} - -static GFXINLINE void set_backlight(GDisplay *g, uint8_t percent) { - (void) g; - (void) percent; -} - -#endif /* _GDISP_LLD_BOARD_H */ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +#ifndef _GDISP_LLD_BOARD_H +#define _GDISP_LLD_BOARD_H + +#include "stm32f4xx_fmc.h" +#include "stm32f429i_discovery_sdram.h" +#include + +#define SPI_PORT &SPID5 +#define DC_PORT GPIOD +#define DC_PIN GPIOD_LCD_WRX + +static const SPIConfig spi_cfg = { + NULL, + GPIOC, + GPIOC_SPI5_LCD_CS, + ((1 << 3) & SPI_CR1_BR) | SPI_CR1_SSM | SPI_CR1_SSI | SPI_CR1_MSTR +}; + +#define ALLOW_2ND_LAYER TRUE + +static const ltdcConfig driverCfg = { + 240, 320, + 10, 2, + 20, 2, + 10, 4, + 0, + 0x000000, + { + (LLDCOLOR_TYPE *)SDRAM_BANK_ADDR, // frame + 240, 320, // width, height + 240 * LTDC_PIXELBYTES, // pitch + LTDC_PIXELFORMAT, // fmt + 0, 0, // x, y + 240, 320, // cx, cy + 0x00000000, // defcolor + 0x000000, // keycolor + LTDC_BLEND_FIX1_FIX2, // blending + 0, // palette + 0, // palettelen + 0xFF, // alpha + LTDC_LEF_ENABLE // flags + }, +#if ALLOW_2ND_LAYER + { // Foreground layer config (if turned on) + (LLDCOLOR_TYPE *)(SDRAM_BANK_ADDR+(240 * 320 * LTDC_PIXELBYTES)), // Frame buffer address + 240, 320, // width, height + 240 * LTDC_PIXELBYTES, // pitch + LTDC_PIXELFORMAT, // fmt + 0, 0, // x, y + 240, 320, // cx, cy + 0x00000000, // Default color (ARGB8888) + 0x000000, // Color key (RGB888) + LTDC_BLEND_MOD1_MOD2, // Blending factors + 0, // Palette (RGB888, can be NULL) + 0, // Palette length + 0xFF, // Constant alpha factor + LTDC_LEF_ENABLE // Layer configuration flags + } +#else + LTDC_UNUSED_LAYER_CONFIG +#endif +}; + +#include "ili9341.h" + +static void acquire_bus(GDisplay *g) { + (void) g; + + spiSelect(SPI_PORT); +} + +static void release_bus(GDisplay *g) { + (void) g; + + spiUnselect(SPI_PORT); +} + +static void write_index(GDisplay *g, uint8_t index) { + static uint8_t sindex; + (void) g; + + palClearPad(DC_PORT, DC_PIN); + sindex = index; + spiSend(SPI_PORT, 1, &sindex); +} + +static void write_data(GDisplay *g, uint8_t data) { + static uint8_t sdata; + (void) g; + + palSetPad(DC_PORT, DC_PIN); + sdata = data; + spiSend(SPI_PORT, 1, &sdata); +} + +static void Init9341(GDisplay *g) { + #define REG_TYPEMASK 0xFF00 + #define REG_DATAMASK 0x00FF + + #define REG_DATA 0x0000 + #define REG_COMMAND 0x0100 + #define REG_DELAY 0x0200 + + static const uint16_t initdata[] = { + REG_COMMAND | ILI9341_CMD_RESET, + REG_DELAY | 5, + REG_COMMAND | ILI9341_CMD_DISPLAY_OFF, + REG_COMMAND | ILI9341_SET_FRAME_CTL_NORMAL, 0x00, 0x1B, + REG_COMMAND | ILI9341_SET_FUNCTION_CTL, 0x0A, 0xA2, + REG_COMMAND | ILI9341_SET_POWER_CTL_1, 0x10, + REG_COMMAND | ILI9341_SET_POWER_CTL_2, 0x10, + #if 1 + REG_COMMAND | ILI9341_SET_VCOM_CTL_1, 0x45, 0x15, + REG_COMMAND | ILI9341_SET_VCOM_CTL_2, 0x90, + #else + REG_COMMAND | ILI9341_SET_VCOM_CTL_1, 0x35, 0x3E, + REG_COMMAND | ILI9341_SET_VCOM_CTL_2, 0xBE, + #endif + REG_COMMAND | ILI9341_SET_MEM_ACS_CTL, 0xC8, + REG_COMMAND | ILI9341_SET_RGB_IF_SIG_CTL, 0xC2, + REG_COMMAND | ILI9341_SET_FUNCTION_CTL, 0x0A, 0xA7, 0x27, 0x04, + REG_COMMAND | ILI9341_SET_COL_ADDR, 0x00, 0x00, 0x00, 0xEF, + REG_COMMAND | ILI9341_SET_PAGE_ADDR, 0x00, 0x00, 0x01, 0x3F, + REG_COMMAND | ILI9341_SET_IF_CTL, 0x01, 0x00, 0x06, + REG_COMMAND | ILI9341_SET_GAMMA, 0x01, + REG_COMMAND | ILI9341_SET_PGAMMA, + #if 1 + 0x0F, 0x29, 0x24, 0x0C, 0x0E, 0x09, 0x4E, 0x78, + 0x3C, 0x09, 0x13, 0x05, 0x17, 0x11, 0x00, + #else + 0x1F, 0x1a, 0x18, 0x0a, 0x0f, 0x06, 0x45, 0x87, + 0x32, 0x0a, 0x07, 0x02, 0x07, 0x05, 0x00, + #endif + REG_COMMAND | ILI9341_SET_NGAMMA, + #if 1 + 0x00, 0x16, 0x1B, 0x04, 0x11, 0x07, 0x31, 0x33, + 0x42, 0x05, 0x0C, 0x0A, 0x28, 0x2F, 0x0F, + #else + 0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3a, 0x78, + 0x4d, 0x05, 0x18, 0x0d, 0x38, 0x3a, 0x1f, + #endif + REG_COMMAND | ILI9341_CMD_SLEEP_OFF, + REG_DELAY | 10, + REG_COMMAND | ILI9341_CMD_DISPLAY_ON, + REG_COMMAND | ILI9341_SET_MEM + }; + + const uint16_t *p; + + acquire_bus(g); + for(p = initdata; p < &initdata[sizeof(initdata)/sizeof(initdata[0])]; p++) { + switch(*p & REG_TYPEMASK) { + case REG_DATA: write_data(g, *p); break; + case REG_COMMAND: write_index(g, *p); break; + case REG_DELAY: gfxSleepMilliseconds(*p & 0xFF); break; + } + } + release_bus(g); +} + +static void init_board(GDisplay *g) { + (void) g; + + palSetPadMode(GPIOA, 9, PAL_MODE_ALTERNATE(7)); // UART_TX + palSetPadMode(GPIOA, 10, PAL_MODE_ALTERNATE(7)); // UART_RX + palSetPadMode(GPIOF, GPIOF_LCD_DCX, PAL_MODE_ALTERNATE(5)); + palSetPadMode(GPIOF, GPIOF_LCD_DE, PAL_MODE_ALTERNATE(14)); + + #define STM32_SAISRC_NOCLOCK (0 << 23) /**< No clock. */ + #define STM32_SAISRC_PLL (1 << 23) /**< SAI_CKIN is PLL. */ + #define STM32_SAIR_DIV2 (0 << 16) /**< R divided by 2. */ + #define STM32_SAIR_DIV4 (1 << 16) /**< R divided by 4. */ + #define STM32_SAIR_DIV8 (2 << 16) /**< R divided by 8. */ + #define STM32_SAIR_DIV16 (3 << 16) /**< R divided by 16. */ + + #define STM32_PLLSAIN_VALUE 192 + #define STM32_PLLSAIQ_VALUE 7 + #define STM32_PLLSAIR_VALUE 4 + #define STM32_PLLSAIR_POST STM32_SAIR_DIV4 + + /* PLLSAI activation.*/ + RCC->PLLSAICFGR = (STM32_PLLSAIN_VALUE << 6) | (STM32_PLLSAIR_VALUE << 28) | (STM32_PLLSAIQ_VALUE << 24); + RCC->DCKCFGR = (RCC->DCKCFGR & ~RCC_DCKCFGR_PLLSAIDIVR) | STM32_PLLSAIR_POST; + RCC->CR |= RCC_CR_PLLSAION; + + // Initialise the SDRAM + SDRAM_Init(); + + // Clear the SDRAM + memset((void *)SDRAM_BANK_ADDR, 0, 0x400000); + + spiStart(SPI_PORT, &spi_cfg); + + Init9341(g); +} + +static GFXINLINE void post_init_board(GDisplay *g) { + (void) g; +} + +static GFXINLINE void set_backlight(GDisplay *g, uint8_t percent) { + (void) g; + (void) percent; +} + +#endif /* _GDISP_LLD_BOARD_H */ diff --git a/boards/base/STM32F429i-Discovery/gmouse_lld_STMPE811_board.h b/boards/base/STM32F429i-Discovery/chibios/gmouse_lld_STMPE811_board.h similarity index 80% rename from boards/base/STM32F429i-Discovery/gmouse_lld_STMPE811_board.h rename to boards/base/STM32F429i-Discovery/chibios/gmouse_lld_STMPE811_board.h index 10b757bc..ef3a628f 100644 --- a/boards/base/STM32F429i-Discovery/gmouse_lld_STMPE811_board.h +++ b/boards/base/STM32F429i-Discovery/chibios/gmouse_lld_STMPE811_board.h @@ -1,120 +1,126 @@ -/* - * This file is subject to the terms of the GFX License. If a copy of - * the license was not distributed with this file, you can obtain one at: - * - * http://ugfx.org/license.html - */ - -#ifndef _GINPUT_LLD_MOUSE_BOARD_H -#define _GINPUT_LLD_MOUSE_BOARD_H - -// Resolution and Accuracy Settings -#define GMOUSE_STMPE811_PEN_CALIBRATE_ERROR 8 -#define GMOUSE_STMPE811_PEN_CLICK_ERROR 6 -#define GMOUSE_STMPE811_PEN_MOVE_ERROR 4 -#define GMOUSE_STMPE811_FINGER_CALIBRATE_ERROR 14 -#define GMOUSE_STMPE811_FINGER_CLICK_ERROR 18 -#define GMOUSE_STMPE811_FINGER_MOVE_ERROR 14 - -// How much extra data to allocate at the end of the GMouse structure for the board's use -#define GMOUSE_STMPE811_BOARD_DATA_SIZE 0 - -// Options - Leave these commented to make it user configurable in the gfxconf.h -//#define GMOUSE_STMPE811_READ_PRESSURE FALSE -//#define GMOUSE_STMPE811_SELF_CALIBRATE FALSE -//#define GMOUSE_STMPE811_TEST_MODE FALSE - -// Set to FALSE because it does not work properly on this board even though the pin exists. -#define GMOUSE_STMPE811_GPIO_IRQPIN FALSE - -// If TRUE this is a really slow CPU and we should always clear the FIFO between reads. -#define GMOUSE_STMPE811_SLOW_CPU FALSE - -// Slave address -#define STMPE811_ADDR 0x41 - -// Maximum timeout -#define STMPE811_TIMEOUT 0x3000 - -static const I2CConfig i2ccfg = { - OPMODE_I2C, - 400000, - FAST_DUTY_CYCLE_2, -}; - -static bool_t init_board(GMouse* m, unsigned driverinstance) { - (void) m; - - // This board only supports one touch panel - if (driverinstance) - return FALSE; - - // Set pin modes - palSetPadMode(GPIOA, 15, PAL_MODE_INPUT | PAL_STM32_PUDR_FLOATING); /* TP IRQ */ - palSetPadMode(GPIOA, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN); /* SCL */ - palSetPadMode(GPIOC, 9, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN); /* SDA */ - - // Start the I2C - i2cStart(&I2CD3, &i2ccfg); - - return TRUE; -} - -#if GMOUSE_STMPE811_GPIO_IRQPIN - static bool_t getpin_irq(GMouse* m) { - (void) m; - - return !palReadPad(GPIOA, 15); - } -#endif - -static GFXINLINE void aquire_bus(GMouse* m) { - (void) m; - -} - -static GFXINLINE void release_bus(GMouse* m) { - (void) m; - -} - -static void write_reg(GMouse* m, uint8_t reg, uint8_t val) { - uint8_t txbuf[2]; - (void) m; - - txbuf[0] = reg; - txbuf[1] = val; - - i2cAcquireBus(&I2CD3); - i2cMasterTransmitTimeout(&I2CD3, STMPE811_ADDR, txbuf, 2, 0, 0, MS2ST(STMPE811_TIMEOUT)); - i2cReleaseBus(&I2CD3); -} - -static uint8_t read_byte(GMouse* m, uint8_t reg) { - uint8_t rxbuf[1]; - (void) m; - - rxbuf[0] = 0; - - i2cAcquireBus(&I2CD3); - i2cMasterTransmitTimeout(&I2CD3, STMPE811_ADDR, ®, 1, rxbuf, 1, MS2ST(STMPE811_TIMEOUT)); - i2cReleaseBus(&I2CD3); - - return rxbuf[0]; -} - -static uint16_t read_word(GMouse* m, uint8_t reg) { - uint8_t rxbuf[2]; - (void) m; - - rxbuf[0] = 0; - rxbuf[1] = 0; - - i2cAcquireBus(&I2CD3); - i2cMasterTransmitTimeout(&I2CD3, STMPE811_ADDR, ®, 1, rxbuf, 2, MS2ST(STMPE811_TIMEOUT)); - i2cReleaseBus(&I2CD3); - - return (((uint16_t)rxbuf[0]) << 8) | rxbuf[1]; -} - -#endif /* _GINPUT_LLD_MOUSE_BOARD_H */ +/* + * This file is subject to the terms of the GFX License. If a copy of + * the license was not distributed with this file, you can obtain one at: + * + * http://ugfx.org/license.html + */ + +#ifndef _GINPUT_LLD_MOUSE_BOARD_H +#define _GINPUT_LLD_MOUSE_BOARD_H + +// Resolution and Accuracy Settings +#define GMOUSE_STMPE811_PEN_CALIBRATE_ERROR 8 +#define GMOUSE_STMPE811_PEN_CLICK_ERROR 6 +#define GMOUSE_STMPE811_PEN_MOVE_ERROR 4 +#define GMOUSE_STMPE811_FINGER_CALIBRATE_ERROR 14 +#define GMOUSE_STMPE811_FINGER_CLICK_ERROR 18 +#define GMOUSE_STMPE811_FINGER_MOVE_ERROR 14 + +// How much extra data to allocate at the end of the GMouse structure for the board's use +#define GMOUSE_STMPE811_BOARD_DATA_SIZE 0 + +// Options - Leave these commented to make it user configurable in the gfxconf.h +//#define GMOUSE_STMPE811_READ_PRESSURE FALSE +//#define GMOUSE_STMPE811_SELF_CALIBRATE FALSE +//#define GMOUSE_STMPE811_TEST_MODE FALSE + +// Set to FALSE because it does not work properly on this board even though the pin exists. +#define GMOUSE_STMPE811_GPIO_IRQPIN FALSE + +// If TRUE this is a really slow CPU and we should always clear the FIFO between reads. +#define GMOUSE_STMPE811_SLOW_CPU FALSE + +// Slave address +#define STMPE811_ADDR 0x41 + +// Maximum timeout +#define STMPE811_TIMEOUT 0x3000 + +static const I2CConfig i2ccfg = { + OPMODE_I2C, + 400000, + FAST_DUTY_CYCLE_2, +}; + +static bool_t init_board(GMouse* m, unsigned driverinstance) { + (void) m; + + // This board only supports one touch panel + if (driverinstance) + return FALSE; + + // Set pin modes + #if CH_KERNEL_MAJOR == 2 + palSetPadMode(GPIOA, 15, PAL_MODE_INPUT | PAL_STM32_PUDR_FLOATING); /* TP IRQ */ + palSetPadMode(GPIOA, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN); /* SCL */ + palSetPadMode(GPIOC, 9, PAL_MODE_ALTERNATE(4) | PAL_STM32_OTYPE_OPENDRAIN); /* SDA */ + #else + palSetPadMode(GPIOA, 15, PAL_MODE_INPUT | PAL_STM32_PUPDR_FLOATING); /* TP IRQ */ + palSetPadMode(GPIOA, 8, PAL_MODE_ALTERNATE(4) | PAL_STM32_PUPDR_FLOATING); /* SCL */ + palSetPadMode(GPIOC, 9, PAL_MODE_ALTERNATE(4) | PAL_STM32_PUPDR_FLOATING); /* SDA */ + #endif + + // Start the I2C + i2cStart(&I2CD3, &i2ccfg); + + return TRUE; +} + +#if GMOUSE_STMPE811_GPIO_IRQPIN + static bool_t getpin_irq(GMouse* m) { + (void) m; + + return !palReadPad(GPIOA, 15); + } +#endif + +static GFXINLINE void aquire_bus(GMouse* m) { + (void) m; + +} + +static GFXINLINE void release_bus(GMouse* m) { + (void) m; + +} + +static void write_reg(GMouse* m, uint8_t reg, uint8_t val) { + uint8_t txbuf[2]; + (void) m; + + txbuf[0] = reg; + txbuf[1] = val; + + i2cAcquireBus(&I2CD3); + i2cMasterTransmitTimeout(&I2CD3, STMPE811_ADDR, txbuf, 2, 0, 0, MS2ST(STMPE811_TIMEOUT)); + i2cReleaseBus(&I2CD3); +} + +static uint8_t read_byte(GMouse* m, uint8_t reg) { + uint8_t rxbuf[1]; + (void) m; + + rxbuf[0] = 0; + + i2cAcquireBus(&I2CD3); + i2cMasterTransmitTimeout(&I2CD3, STMPE811_ADDR, ®, 1, rxbuf, 1, MS2ST(STMPE811_TIMEOUT)); + i2cReleaseBus(&I2CD3); + + return rxbuf[0]; +} + +static uint16_t read_word(GMouse* m, uint8_t reg) { + uint8_t rxbuf[2]; + (void) m; + + rxbuf[0] = 0; + rxbuf[1] = 0; + + i2cAcquireBus(&I2CD3); + i2cMasterTransmitTimeout(&I2CD3, STMPE811_ADDR, ®, 1, rxbuf, 2, MS2ST(STMPE811_TIMEOUT)); + i2cReleaseBus(&I2CD3); + + return (((uint16_t)rxbuf[0]) << 8) | rxbuf[1]; +} + +#endif /* _GINPUT_LLD_MOUSE_BOARD_H */ diff --git a/boards/base/STM32F429i-Discovery/ili9341.h b/boards/base/STM32F429i-Discovery/chibios/ili9341.h similarity index 100% rename from boards/base/STM32F429i-Discovery/ili9341.h rename to boards/base/STM32F429i-Discovery/chibios/ili9341.h diff --git a/boards/base/STM32F429i-Discovery/stm32f429i_discovery_sdram.c b/boards/base/STM32F429i-Discovery/chibios/stm32f429i_discovery_sdram.c similarity index 100% rename from boards/base/STM32F429i-Discovery/stm32f429i_discovery_sdram.c rename to boards/base/STM32F429i-Discovery/chibios/stm32f429i_discovery_sdram.c diff --git a/boards/base/STM32F429i-Discovery/stm32f429i_discovery_sdram.h b/boards/base/STM32F429i-Discovery/chibios/stm32f429i_discovery_sdram.h similarity index 100% rename from boards/base/STM32F429i-Discovery/stm32f429i_discovery_sdram.h rename to boards/base/STM32F429i-Discovery/chibios/stm32f429i_discovery_sdram.h diff --git a/boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c b/boards/base/STM32F429i-Discovery/chibios/stm32f4xx_fmc.c similarity index 87% rename from boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c rename to boards/base/STM32F429i-Discovery/chibios/stm32f4xx_fmc.c index 6b98954d..370dc549 100644 --- a/boards/base/STM32F429i-Discovery/stm32f4xx_fmc.c +++ b/boards/base/STM32F429i-Discovery/chibios/stm32f4xx_fmc.c @@ -1,1380 +1,1380 @@ -/** - ****************************************************************************** - * @file stm32f4xx_fmc.c - * @author MCD Application Team - * @version V1.2.1 - * @date 19-September-2013 - * @brief This file provides firmware functions to manage the following - * functionalities of the FMC peripheral: - * + Interface with SRAM, PSRAM, NOR and OneNAND memories - * + Interface with NAND memories - * + Interface with 16-bit PC Card compatible memories - * + Interface with SDRAM memories - * + Interrupts and flags management - * - ****************************************************************************** - * @attention - * - *

© COPYRIGHT 2013 STMicroelectronics

- * - * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); - * You may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.st.com/software_license_agreement_liberty_v2 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "ch.h" -#include "stm32f4xx_fmc.h" -//#include "stm32f4xx_rcc.h" - -#if CH_KERNEL_MAJOR == 3 - #define assert_param(expr) chDbgAssert(expr,"STPeriph FMC") -#else - #define assert_param(expr) chDbgAssert(expr,"STPeriph FMC","") -#endif - -/** @addtogroup STM32F4xx_StdPeriph_Driver - * @{ - */ - -/** @defgroup FMC - * @brief FMC driver modules - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ - -/* --------------------- FMC registers bit mask ---------------------------- */ -/* FMC BCRx Mask */ -#define BCR_MBKEN_SET ((uint32_t)0x00000001) -#define BCR_MBKEN_RESET ((uint32_t)0x000FFFFE) -#define BCR_FACCEN_SET ((uint32_t)0x00000040) - -/* FMC PCRx Mask */ -#define PCR_PBKEN_SET ((uint32_t)0x00000004) -#define PCR_PBKEN_RESET ((uint32_t)0x000FFFFB) -#define PCR_ECCEN_SET ((uint32_t)0x00000040) -#define PCR_ECCEN_RESET ((uint32_t)0x000FFFBF) -#define PCR_MEMORYTYPE_NAND ((uint32_t)0x00000008) - -/* FMC SDCRx write protection Mask*/ -#define SDCR_WriteProtection_RESET ((uint32_t)0x00007DFF) - -/* FMC SDCMR Mask*/ -#define SDCMR_CTB1_RESET ((uint32_t)0x003FFFEF) -#define SDCMR_CTB2_RESET ((uint32_t)0x003FFFF7) -#define SDCMR_CTB1_2_RESET ((uint32_t)0x003FFFE7) - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup FMC_Private_Functions - * @{ - */ - -/** @defgroup FMC_Group1 NOR/SRAM Controller functions - * @brief NOR/SRAM Controller functions - * -@verbatim - =============================================================================== - ##### NOR and SRAM Controller functions ##### - =============================================================================== - - [..] The following sequence should be followed to configure the FMC to interface - with SRAM, PSRAM, NOR or OneNAND memory connected to the NOR/SRAM Bank: - - (#) Enable the clock for the FMC and associated GPIOs using the following functions: - RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); - RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); - - (#) FMC pins configuration - (++) Connect the involved FMC pins to AF12 using the following function - GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); - (++) Configure these FMC pins in alternate function mode by calling the function - GPIO_Init(); - - (#) Declare a FMC_NORSRAMInitTypeDef structure, for example: - FMC_NORSRAMInitTypeDef FMC_NORSRAMInitStructure; - and fill the FMC_NORSRAMInitStructure variable with the allowed values of - the structure member. - - (#) Initialize the NOR/SRAM Controller by calling the function - FMC_NORSRAMInit(&FMC_NORSRAMInitStructure); - - (#) Then enable the NOR/SRAM Bank, for example: - FMC_NORSRAMCmd(FMC_Bank1_NORSRAM2, ENABLE); - - (#) At this stage you can read/write from/to the memory connected to the NOR/SRAM Bank. - -@endverbatim - * @{ - */ - -/** - * @brief De-initializes the FMC NOR/SRAM Banks registers to their default - * reset values. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank1_NORSRAM1: FMC Bank1 NOR/SRAM1 - * @arg FMC_Bank1_NORSRAM2: FMC Bank1 NOR/SRAM2 - * @arg FMC_Bank1_NORSRAM3: FMC Bank1 NOR/SRAM3 - * @arg FMC_Bank1_NORSRAM4: FMC Bank1 NOR/SRAM4 - * @retval None - */ -void FMC_NORSRAMDeInit(uint32_t FMC_Bank) -{ - /* Check the parameter */ - assert_param(IS_FMC_NORSRAM_BANK(FMC_Bank)); - - /* FMC_Bank1_NORSRAM1 */ - if(FMC_Bank == FMC_Bank1_NORSRAM1) - { - FMC_Bank1->BTCR[FMC_Bank] = 0x000030DB; - } - /* FMC_Bank1_NORSRAM2, FMC_Bank1_NORSRAM3 or FMC_Bank1_NORSRAM4 */ - else - { - FMC_Bank1->BTCR[FMC_Bank] = 0x000030D2; - } - FMC_Bank1->BTCR[FMC_Bank + 1] = 0x0FFFFFFF; - FMC_Bank1E->BWTR[FMC_Bank] = 0x0FFFFFFF; -} - -/** - * @brief Initializes the FMC NOR/SRAM Banks according to the specified - * parameters in the FMC_NORSRAMInitStruct. - * @param FMC_NORSRAMInitStruct : pointer to a FMC_NORSRAMInitTypeDef structure - * that contains the configuration information for the FMC NOR/SRAM - * specified Banks. - * @retval None - */ -void FMC_NORSRAMInit(FMC_NORSRAMInitTypeDef* FMC_NORSRAMInitStruct) -{ - uint32_t tmpr = 0; - - /* Check the parameters */ - assert_param(IS_FMC_NORSRAM_BANK(FMC_NORSRAMInitStruct->FMC_Bank)); - assert_param(IS_FMC_MUX(FMC_NORSRAMInitStruct->FMC_DataAddressMux)); - assert_param(IS_FMC_MEMORY(FMC_NORSRAMInitStruct->FMC_MemoryType)); - assert_param(IS_FMC_NORSRAM_MEMORY_WIDTH(FMC_NORSRAMInitStruct->FMC_MemoryDataWidth)); - assert_param(IS_FMC_BURSTMODE(FMC_NORSRAMInitStruct->FMC_BurstAccessMode)); - assert_param(IS_FMC_WAIT_POLARITY(FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity)); - assert_param(IS_FMC_WRAP_MODE(FMC_NORSRAMInitStruct->FMC_WrapMode)); - assert_param(IS_FMC_WAIT_SIGNAL_ACTIVE(FMC_NORSRAMInitStruct->FMC_WaitSignalActive)); - assert_param(IS_FMC_WRITE_OPERATION(FMC_NORSRAMInitStruct->FMC_WriteOperation)); - assert_param(IS_FMC_WAITE_SIGNAL(FMC_NORSRAMInitStruct->FMC_WaitSignal)); - assert_param(IS_FMC_EXTENDED_MODE(FMC_NORSRAMInitStruct->FMC_ExtendedMode)); - assert_param(IS_FMC_ASYNWAIT(FMC_NORSRAMInitStruct->FMC_AsynchronousWait)); - assert_param(IS_FMC_WRITE_BURST(FMC_NORSRAMInitStruct->FMC_WriteBurst)); - assert_param(IS_FMC_CONTINOUS_CLOCK(FMC_NORSRAMInitStruct->FMC_ContinousClock)); - assert_param(IS_FMC_ADDRESS_SETUP_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime)); - assert_param(IS_FMC_ADDRESS_HOLD_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime)); - assert_param(IS_FMC_DATASETUP_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime)); - assert_param(IS_FMC_TURNAROUND_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration)); - assert_param(IS_FMC_CLK_DIV(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision)); - assert_param(IS_FMC_DATA_LATENCY(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency)); - assert_param(IS_FMC_ACCESS_MODE(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode)); - - /* NOR/SRAM Bank control register configuration */ - FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank] = - (uint32_t)FMC_NORSRAMInitStruct->FMC_DataAddressMux | - FMC_NORSRAMInitStruct->FMC_MemoryType | - FMC_NORSRAMInitStruct->FMC_MemoryDataWidth | - FMC_NORSRAMInitStruct->FMC_BurstAccessMode | - FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity | - FMC_NORSRAMInitStruct->FMC_WrapMode | - FMC_NORSRAMInitStruct->FMC_WaitSignalActive | - FMC_NORSRAMInitStruct->FMC_WriteOperation | - FMC_NORSRAMInitStruct->FMC_WaitSignal | - FMC_NORSRAMInitStruct->FMC_ExtendedMode | - FMC_NORSRAMInitStruct->FMC_AsynchronousWait | - FMC_NORSRAMInitStruct->FMC_WriteBurst | - FMC_NORSRAMInitStruct->FMC_ContinousClock; - - - if(FMC_NORSRAMInitStruct->FMC_MemoryType == FMC_MemoryType_NOR) - { - FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank] |= (uint32_t)BCR_FACCEN_SET; - } - - /* Configure Continuous clock feature when bank2..4 is used */ - if((FMC_NORSRAMInitStruct->FMC_ContinousClock == FMC_CClock_SyncAsync) && (FMC_NORSRAMInitStruct->FMC_Bank != FMC_Bank1_NORSRAM1)) - { - tmpr = (uint32_t)((FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1+1]) & ~(((uint32_t)0x0F) << 20)); - - FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1] |= FMC_NORSRAMInitStruct->FMC_ContinousClock; - FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1] |= FMC_BurstAccessMode_Enable; - FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1+1] = (uint32_t)(tmpr | (((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision)-1) << 20)); - } - - /* NOR/SRAM Bank timing register configuration */ - FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank+1] = - (uint32_t)FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime | - (FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime << 4) | - (FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime << 8) | - (FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration << 16) | - ((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision) << 20) | - ((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency) << 24) | - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode; - - /* NOR/SRAM Bank timing register for write configuration, if extended mode is used */ - if(FMC_NORSRAMInitStruct->FMC_ExtendedMode == FMC_ExtendedMode_Enable) - { - assert_param(IS_FMC_ADDRESS_SETUP_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime)); - assert_param(IS_FMC_ADDRESS_HOLD_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime)); - assert_param(IS_FMC_DATASETUP_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime)); - assert_param(IS_FMC_CLK_DIV(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision)); - assert_param(IS_FMC_DATA_LATENCY(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency)); - assert_param(IS_FMC_ACCESS_MODE(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode)); - - FMC_Bank1E->BWTR[FMC_NORSRAMInitStruct->FMC_Bank] = - (uint32_t)FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime | - (FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime << 4 )| - (FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime << 8) | - ((FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision) << 20) | - ((FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency) << 24) | - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode; - } - else - { - FMC_Bank1E->BWTR[FMC_NORSRAMInitStruct->FMC_Bank] = 0x0FFFFFFF; - } - -} - -/** - * @brief Fills each FMC_NORSRAMInitStruct member with its default value. - * @param FMC_NORSRAMInitStruct: pointer to a FMC_NORSRAMInitTypeDef structure - * which will be initialized. - * @retval None - */ -void FMC_NORSRAMStructInit(FMC_NORSRAMInitTypeDef* FMC_NORSRAMInitStruct) -{ - /* Reset NOR/SRAM Init structure parameters values */ - FMC_NORSRAMInitStruct->FMC_Bank = FMC_Bank1_NORSRAM1; - FMC_NORSRAMInitStruct->FMC_DataAddressMux = FMC_DataAddressMux_Enable; - FMC_NORSRAMInitStruct->FMC_MemoryType = FMC_MemoryType_SRAM; - FMC_NORSRAMInitStruct->FMC_MemoryDataWidth = FMC_NORSRAM_MemoryDataWidth_16b; - FMC_NORSRAMInitStruct->FMC_BurstAccessMode = FMC_BurstAccessMode_Disable; - FMC_NORSRAMInitStruct->FMC_AsynchronousWait = FMC_AsynchronousWait_Disable; - FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity = FMC_WaitSignalPolarity_Low; - FMC_NORSRAMInitStruct->FMC_WrapMode = FMC_WrapMode_Disable; - FMC_NORSRAMInitStruct->FMC_WaitSignalActive = FMC_WaitSignalActive_BeforeWaitState; - FMC_NORSRAMInitStruct->FMC_WriteOperation = FMC_WriteOperation_Enable; - FMC_NORSRAMInitStruct->FMC_WaitSignal = FMC_WaitSignal_Enable; - FMC_NORSRAMInitStruct->FMC_ExtendedMode = FMC_ExtendedMode_Disable; - FMC_NORSRAMInitStruct->FMC_WriteBurst = FMC_WriteBurst_Disable; - FMC_NORSRAMInitStruct->FMC_ContinousClock = FMC_CClock_SyncOnly; - - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime = 15; - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime = 15; - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime = 255; - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration = 15; - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision = 15; - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency = 15; - FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode = FMC_AccessMode_A; - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime = 15; - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime = 15; - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime = 255; - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_BusTurnAroundDuration = 15; - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision = 15; - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency = 15; - FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode = FMC_AccessMode_A; -} - -/** - * @brief Enables or disables the specified NOR/SRAM Memory Bank. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank1_NORSRAM1: FMC Bank1 NOR/SRAM1 - * @arg FMC_Bank1_NORSRAM2: FMC Bank1 NOR/SRAM2 - * @arg FMC_Bank1_NORSRAM3: FMC Bank1 NOR/SRAM3 - * @arg FMC_Bank1_NORSRAM4: FMC Bank1 NOR/SRAM4 - * @param NewState: new state of the FMC_Bank. This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void FMC_NORSRAMCmd(uint32_t FMC_Bank, FunctionalState NewState) -{ - assert_param(IS_FMC_NORSRAM_BANK(FMC_Bank)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected NOR/SRAM Bank by setting the PBKEN bit in the BCRx register */ - FMC_Bank1->BTCR[FMC_Bank] |= BCR_MBKEN_SET; - } - else - { - /* Disable the selected NOR/SRAM Bank by clearing the PBKEN bit in the BCRx register */ - FMC_Bank1->BTCR[FMC_Bank] &= BCR_MBKEN_RESET; - } -} -/** - * @} - */ - -/** @defgroup FMC_Group2 NAND Controller functions - * @brief NAND Controller functions - * -@verbatim - =============================================================================== - ##### NAND Controller functions ##### - =============================================================================== - - [..] The following sequence should be followed to configure the FMC to interface - with 8-bit or 16-bit NAND memory connected to the NAND Bank: - - (#) Enable the clock for the FMC and associated GPIOs using the following functions: - (++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); - (++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); - - (#) FMC pins configuration - (++) Connect the involved FMC pins to AF12 using the following function - GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); - (++) Configure these FMC pins in alternate function mode by calling the function - GPIO_Init(); - - (#) Declare a FMC_NANDInitTypeDef structure, for example: - FMC_NANDInitTypeDef FMC_NANDInitStructure; - and fill the FMC_NANDInitStructure variable with the allowed values of - the structure member. - - (#) Initialize the NAND Controller by calling the function - FMC_NANDInit(&FMC_NANDInitStructure); - - (#) Then enable the NAND Bank, for example: - FMC_NANDCmd(FMC_Bank3_NAND, ENABLE); - - (#) At this stage you can read/write from/to the memory connected to the NAND Bank. - - [..] - (@) To enable the Error Correction Code (ECC), you have to use the function - FMC_NANDECCCmd(FMC_Bank3_NAND, ENABLE); - [..] - (@) and to get the current ECC value you have to use the function - ECCval = FMC_GetECC(FMC_Bank3_NAND); - -@endverbatim - * @{ - */ - -/** - * @brief De-initializes the FMC NAND Banks registers to their default reset values. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @retval None - */ -void FMC_NANDDeInit(uint32_t FMC_Bank) -{ - /* Check the parameter */ - assert_param(IS_FMC_NAND_BANK(FMC_Bank)); - - if(FMC_Bank == FMC_Bank2_NAND) - { - /* Set the FMC_Bank2 registers to their reset values */ - FMC_Bank2->PCR2 = 0x00000018; - FMC_Bank2->SR2 = 0x00000040; - FMC_Bank2->PMEM2 = 0xFCFCFCFC; - FMC_Bank2->PATT2 = 0xFCFCFCFC; - } - /* FMC_Bank3_NAND */ - else - { - /* Set the FMC_Bank3 registers to their reset values */ - FMC_Bank3->PCR3 = 0x00000018; - FMC_Bank3->SR3 = 0x00000040; - FMC_Bank3->PMEM3 = 0xFCFCFCFC; - FMC_Bank3->PATT3 = 0xFCFCFCFC; - } -} - -/** - * @brief Initializes the FMC NAND Banks according to the specified parameters - * in the FMC_NANDInitStruct. - * @param FMC_NANDInitStruct : pointer to a FMC_NANDInitTypeDef structure that - * contains the configuration information for the FMC NAND specified Banks. - * @retval None - */ -void FMC_NANDInit(FMC_NANDInitTypeDef* FMC_NANDInitStruct) -{ - uint32_t tmppcr = 0x00000000, tmppmem = 0x00000000, tmppatt = 0x00000000; - - /* Check the parameters */ - assert_param(IS_FMC_NAND_BANK(FMC_NANDInitStruct->FMC_Bank)); - assert_param(IS_FMC_WAIT_FEATURE(FMC_NANDInitStruct->FMC_Waitfeature)); - assert_param(IS_FMC_NAND_MEMORY_WIDTH(FMC_NANDInitStruct->FMC_MemoryDataWidth)); - assert_param(IS_FMC_ECC_STATE(FMC_NANDInitStruct->FMC_ECC)); - assert_param(IS_FMC_ECCPAGE_SIZE(FMC_NANDInitStruct->FMC_ECCPageSize)); - assert_param(IS_FMC_TCLR_TIME(FMC_NANDInitStruct->FMC_TCLRSetupTime)); - assert_param(IS_FMC_TAR_TIME(FMC_NANDInitStruct->FMC_TARSetupTime)); - assert_param(IS_FMC_SETUP_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime)); - assert_param(IS_FMC_WAIT_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime)); - assert_param(IS_FMC_HOLD_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime)); - assert_param(IS_FMC_HIZ_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime)); - assert_param(IS_FMC_SETUP_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime)); - assert_param(IS_FMC_WAIT_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime)); - assert_param(IS_FMC_HOLD_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime)); - assert_param(IS_FMC_HIZ_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime)); - - /* Set the tmppcr value according to FMC_NANDInitStruct parameters */ - tmppcr = (uint32_t)FMC_NANDInitStruct->FMC_Waitfeature | - PCR_MEMORYTYPE_NAND | - FMC_NANDInitStruct->FMC_MemoryDataWidth | - FMC_NANDInitStruct->FMC_ECC | - FMC_NANDInitStruct->FMC_ECCPageSize | - (FMC_NANDInitStruct->FMC_TCLRSetupTime << 9 )| - (FMC_NANDInitStruct->FMC_TARSetupTime << 13); - - /* Set tmppmem value according to FMC_CommonSpaceTimingStructure parameters */ - tmppmem = (uint32_t)FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime | - (FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime << 8) | - (FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime << 16)| - (FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime << 24); - - /* Set tmppatt value according to FMC_AttributeSpaceTimingStructure parameters */ - tmppatt = (uint32_t)FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime | - (FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime << 8) | - (FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime << 16)| - (FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime << 24); - - if(FMC_NANDInitStruct->FMC_Bank == FMC_Bank2_NAND) - { - /* FMC_Bank2_NAND registers configuration */ - FMC_Bank2->PCR2 = tmppcr; - FMC_Bank2->PMEM2 = tmppmem; - FMC_Bank2->PATT2 = tmppatt; - } - else - { - /* FMC_Bank3_NAND registers configuration */ - FMC_Bank3->PCR3 = tmppcr; - FMC_Bank3->PMEM3 = tmppmem; - FMC_Bank3->PATT3 = tmppatt; - } -} - - -/** - * @brief Fills each FMC_NANDInitStruct member with its default value. - * @param FMC_NANDInitStruct: pointer to a FMC_NANDInitTypeDef structure which - * will be initialized. - * @retval None - */ -void FMC_NANDStructInit(FMC_NANDInitTypeDef* FMC_NANDInitStruct) -{ - /* Reset NAND Init structure parameters values */ - FMC_NANDInitStruct->FMC_Bank = FMC_Bank2_NAND; - FMC_NANDInitStruct->FMC_Waitfeature = FMC_Waitfeature_Disable; - FMC_NANDInitStruct->FMC_MemoryDataWidth = FMC_NAND_MemoryDataWidth_16b; - FMC_NANDInitStruct->FMC_ECC = FMC_ECC_Disable; - FMC_NANDInitStruct->FMC_ECCPageSize = FMC_ECCPageSize_256Bytes; - FMC_NANDInitStruct->FMC_TCLRSetupTime = 0x0; - FMC_NANDInitStruct->FMC_TARSetupTime = 0x0; - FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime = 252; - FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime = 252; - FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime = 252; - FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime = 252; - FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime = 252; - FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime = 252; - FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime = 252; - FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime = 252; -} - -/** - * @brief Enables or disables the specified NAND Memory Bank. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @param NewState: new state of the FMC_Bank. This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void FMC_NANDCmd(uint32_t FMC_Bank, FunctionalState NewState) -{ - assert_param(IS_FMC_NAND_BANK(FMC_Bank)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected NAND Bank by setting the PBKEN bit in the PCRx register */ - if(FMC_Bank == FMC_Bank2_NAND) - { - FMC_Bank2->PCR2 |= PCR_PBKEN_SET; - } - else - { - FMC_Bank3->PCR3 |= PCR_PBKEN_SET; - } - } - else - { - /* Disable the selected NAND Bank by clearing the PBKEN bit in the PCRx register */ - if(FMC_Bank == FMC_Bank2_NAND) - { - FMC_Bank2->PCR2 &= PCR_PBKEN_RESET; - } - else - { - FMC_Bank3->PCR3 &= PCR_PBKEN_RESET; - } - } -} -/** - * @brief Enables or disables the FMC NAND ECC feature. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @param NewState: new state of the FMC NAND ECC feature. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void FMC_NANDECCCmd(uint32_t FMC_Bank, FunctionalState NewState) -{ - assert_param(IS_FMC_NAND_BANK(FMC_Bank)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected NAND Bank ECC function by setting the ECCEN bit in the PCRx register */ - if(FMC_Bank == FMC_Bank2_NAND) - { - FMC_Bank2->PCR2 |= PCR_ECCEN_SET; - } - else - { - FMC_Bank3->PCR3 |= PCR_ECCEN_SET; - } - } - else - { - /* Disable the selected NAND Bank ECC function by clearing the ECCEN bit in the PCRx register */ - if(FMC_Bank == FMC_Bank2_NAND) - { - FMC_Bank2->PCR2 &= PCR_ECCEN_RESET; - } - else - { - FMC_Bank3->PCR3 &= PCR_ECCEN_RESET; - } - } -} - -/** - * @brief Returns the error correction code register value. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @retval The Error Correction Code (ECC) value. - */ -uint32_t FMC_GetECC(uint32_t FMC_Bank) -{ - uint32_t eccval = 0x00000000; - - if(FMC_Bank == FMC_Bank2_NAND) - { - /* Get the ECCR2 register value */ - eccval = FMC_Bank2->ECCR2; - } - else - { - /* Get the ECCR3 register value */ - eccval = FMC_Bank3->ECCR3; - } - /* Return the error correction code value */ - return(eccval); -} -/** - * @} - */ - -/** @defgroup FMC_Group3 PCCARD Controller functions - * @brief PCCARD Controller functions - * -@verbatim - =============================================================================== - ##### PCCARD Controller functions ##### - =============================================================================== - - [..] he following sequence should be followed to configure the FMC to interface - with 16-bit PC Card compatible memory connected to the PCCARD Bank: - - (#) Enable the clock for the FMC and associated GPIOs using the following functions: - (++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); - (++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); - - (#) FMC pins configuration - (++) Connect the involved FMC pins to AF12 using the following function - GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); - (++) Configure these FMC pins in alternate function mode by calling the function - GPIO_Init(); - - (#) Declare a FMC_PCCARDInitTypeDef structure, for example: - FMC_PCCARDInitTypeDef FMC_PCCARDInitStructure; - and fill the FMC_PCCARDInitStructure variable with the allowed values of - the structure member. - - (#) Initialize the PCCARD Controller by calling the function - FMC_PCCARDInit(&FMC_PCCARDInitStructure); - - (#) Then enable the PCCARD Bank: - FMC_PCCARDCmd(ENABLE); - - (#) At this stage you can read/write from/to the memory connected to the PCCARD Bank. - -@endverbatim - * @{ - */ - -/** - * @brief De-initializes the FMC PCCARD Bank registers to their default reset values. - * @param None - * @retval None - */ -void FMC_PCCARDDeInit(void) -{ - /* Set the FMC_Bank4 registers to their reset values */ - FMC_Bank4->PCR4 = 0x00000018; - FMC_Bank4->SR4 = 0x00000000; - FMC_Bank4->PMEM4 = 0xFCFCFCFC; - FMC_Bank4->PATT4 = 0xFCFCFCFC; - FMC_Bank4->PIO4 = 0xFCFCFCFC; -} - -/** - * @brief Initializes the FMC PCCARD Bank according to the specified parameters - * in the FMC_PCCARDInitStruct. - * @param FMC_PCCARDInitStruct : pointer to a FMC_PCCARDInitTypeDef structure - * that contains the configuration information for the FMC PCCARD Bank. - * @retval None - */ -void FMC_PCCARDInit(FMC_PCCARDInitTypeDef* FMC_PCCARDInitStruct) -{ - /* Check the parameters */ - assert_param(IS_FMC_WAIT_FEATURE(FMC_PCCARDInitStruct->FMC_Waitfeature)); - assert_param(IS_FMC_TCLR_TIME(FMC_PCCARDInitStruct->FMC_TCLRSetupTime)); - assert_param(IS_FMC_TAR_TIME(FMC_PCCARDInitStruct->FMC_TARSetupTime)); - - assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime)); - assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime)); - assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime)); - assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime)); - - assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime)); - assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime)); - assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime)); - assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime)); - assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime)); - assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime)); - assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime)); - assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime)); - - /* Set the PCR4 register value according to FMC_PCCARDInitStruct parameters */ - FMC_Bank4->PCR4 = (uint32_t)FMC_PCCARDInitStruct->FMC_Waitfeature | - FMC_NAND_MemoryDataWidth_16b | - (FMC_PCCARDInitStruct->FMC_TCLRSetupTime << 9) | - (FMC_PCCARDInitStruct->FMC_TARSetupTime << 13); - - /* Set PMEM4 register value according to FMC_CommonSpaceTimingStructure parameters */ - FMC_Bank4->PMEM4 = (uint32_t)FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime | - (FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime << 8) | - (FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime << 16)| - (FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime << 24); - - /* Set PATT4 register value according to FMC_AttributeSpaceTimingStructure parameters */ - FMC_Bank4->PATT4 = (uint32_t)FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime | - (FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime << 8) | - (FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime << 16)| - (FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime << 24); - - /* Set PIO4 register value according to FMC_IOSpaceTimingStructure parameters */ - FMC_Bank4->PIO4 = (uint32_t)FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime | - (FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime << 8) | - (FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime << 16)| - (FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime << 24); -} - -/** - * @brief Fills each FMC_PCCARDInitStruct member with its default value. - * @param FMC_PCCARDInitStruct: pointer to a FMC_PCCARDInitTypeDef structure - * which will be initialized. - * @retval None - */ -void FMC_PCCARDStructInit(FMC_PCCARDInitTypeDef* FMC_PCCARDInitStruct) -{ - /* Reset PCCARD Init structure parameters values */ - FMC_PCCARDInitStruct->FMC_Waitfeature = FMC_Waitfeature_Disable; - FMC_PCCARDInitStruct->FMC_TCLRSetupTime = 0; - FMC_PCCARDInitStruct->FMC_TARSetupTime = 0; - FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime = 252; - FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime = 252; - FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime = 252; - FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime = 252; - FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime = 252; - FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime = 252; - FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime = 252; - FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime = 252; - FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime = 252; - FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime = 252; - FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime = 252; - FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime = 252; -} - -/** - * @brief Enables or disables the PCCARD Memory Bank. - * @param NewState: new state of the PCCARD Memory Bank. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void FMC_PCCARDCmd(FunctionalState NewState) -{ - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the PCCARD Bank by setting the PBKEN bit in the PCR4 register */ - FMC_Bank4->PCR4 |= PCR_PBKEN_SET; - } - else - { - /* Disable the PCCARD Bank by clearing the PBKEN bit in the PCR4 register */ - FMC_Bank4->PCR4 &= PCR_PBKEN_RESET; - } -} - -/** - * @} - */ - -/** @defgroup FMC_Group4 SDRAM Controller functions - * @brief SDRAM Controller functions - * -@verbatim - =============================================================================== - ##### SDRAM Controller functions ##### - =============================================================================== - - [..] The following sequence should be followed to configure the FMC to interface - with SDRAM memory connected to the SDRAM Bank 1 or SDRAM bank 2: - - (#) Enable the clock for the FMC and associated GPIOs using the following functions: - (++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); - (++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); - - (#) FMC pins configuration - (++) Connect the involved FMC pins to AF12 using the following function - GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); - (++) Configure these FMC pins in alternate function mode by calling the function - GPIO_Init(); - - (#) Declare a FMC_SDRAMInitTypeDef structure, for example: - FMC_SDRAMInitTypeDef FMC_SDRAMInitStructure; - and fill the FMC_SDRAMInitStructure variable with the allowed values of - the structure member. - - (#) Initialize the SDRAM Controller by calling the function - FMC_SDRAMInit(&FMC_SDRAMInitStructure); - - (#) Declare a FMC_SDRAMCommandTypeDef structure, for example: - FMC_SDRAMCommandTypeDef FMC_SDRAMCommandStructure; - and fill the FMC_SDRAMCommandStructure variable with the allowed values of - the structure member. - - (#) Configure the SDCMR register with the desired command parameters by calling - the function FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure); - - (#) At this stage, the SDRAM memory is ready for any valid command. - -@endverbatim - * @{ - */ - -/** - * @brief De-initializes the FMC SDRAM Banks registers to their default - * reset values. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM - * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM - * @retval None - */ -void FMC_SDRAMDeInit(uint32_t FMC_Bank) -{ - /* Check the parameter */ - assert_param(IS_FMC_SDRAM_BANK(FMC_Bank)); - - FMC_Bank5_6->SDCR[FMC_Bank] = 0x000002D0; - FMC_Bank5_6->SDTR[FMC_Bank] = 0x0FFFFFFF; - FMC_Bank5_6->SDCMR = 0x00000000; - FMC_Bank5_6->SDRTR = 0x00000000; - FMC_Bank5_6->SDSR = 0x00000000; -} - -/** - * @brief Initializes the FMC SDRAM Banks according to the specified - * parameters in the FMC_SDRAMInitStruct. - * @param FMC_SDRAMInitStruct : pointer to a FMC_SDRAMInitTypeDef structure - * that contains the configuration information for the FMC SDRAM - * specified Banks. - * @retval None - */ -void FMC_SDRAMInit(FMC_SDRAMInitTypeDef* FMC_SDRAMInitStruct) -{ - /* temporary registers */ - uint32_t tmpr1 = 0; - uint32_t tmpr2 = 0; - uint32_t tmpr3 = 0; - uint32_t tmpr4 = 0; - - /* Check the parameters */ - - /* Control parameters */ - assert_param(IS_FMC_SDRAM_BANK(FMC_SDRAMInitStruct->FMC_Bank)); - assert_param(IS_FMC_COLUMNBITS_NUMBER(FMC_SDRAMInitStruct->FMC_ColumnBitsNumber)); - assert_param(IS_FMC_ROWBITS_NUMBER(FMC_SDRAMInitStruct->FMC_RowBitsNumber)); - assert_param(IS_FMC_SDMEMORY_WIDTH(FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth)); - assert_param(IS_FMC_INTERNALBANK_NUMBER(FMC_SDRAMInitStruct->FMC_InternalBankNumber)); - assert_param(IS_FMC_CAS_LATENCY(FMC_SDRAMInitStruct->FMC_CASLatency)); - assert_param(IS_FMC_WRITE_PROTECTION(FMC_SDRAMInitStruct->FMC_WriteProtection)); - assert_param(IS_FMC_SDCLOCK_PERIOD(FMC_SDRAMInitStruct->FMC_SDClockPeriod)); - assert_param(IS_FMC_READ_BURST(FMC_SDRAMInitStruct->FMC_ReadBurst)); - assert_param(IS_FMC_READPIPE_DELAY(FMC_SDRAMInitStruct->FMC_ReadPipeDelay)); - - /* Timing parameters */ - assert_param(IS_FMC_LOADTOACTIVE_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)); - assert_param(IS_FMC_EXITSELFREFRESH_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)); - assert_param(IS_FMC_SELFREFRESH_TIME(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)); - assert_param(IS_FMC_ROWCYCLE_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)); - assert_param(IS_FMC_WRITE_RECOVERY_TIME(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)); - assert_param(IS_FMC_RP_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)); - assert_param(IS_FMC_RCD_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay)); - - /* SDRAM bank control register configuration */ - tmpr1 = (uint32_t)FMC_SDRAMInitStruct->FMC_ColumnBitsNumber | - FMC_SDRAMInitStruct->FMC_RowBitsNumber | - FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth | - FMC_SDRAMInitStruct->FMC_InternalBankNumber | - FMC_SDRAMInitStruct->FMC_CASLatency | - FMC_SDRAMInitStruct->FMC_WriteProtection | - FMC_SDRAMInitStruct->FMC_SDClockPeriod | - FMC_SDRAMInitStruct->FMC_ReadBurst | - FMC_SDRAMInitStruct->FMC_ReadPipeDelay; - - if(FMC_SDRAMInitStruct->FMC_Bank == FMC_Bank1_SDRAM ) - { - FMC_Bank5_6->SDCR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr1; - } - else /* SDCR2 "don't care" bits configuration */ - { - tmpr3 = (uint32_t)FMC_SDRAMInitStruct->FMC_SDClockPeriod | - FMC_SDRAMInitStruct->FMC_ReadBurst | - FMC_SDRAMInitStruct->FMC_ReadPipeDelay; - - FMC_Bank5_6->SDCR[FMC_Bank1_SDRAM] = tmpr3; - FMC_Bank5_6->SDCR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr1; - } - /* SDRAM bank timing register configuration */ - if(FMC_SDRAMInitStruct->FMC_Bank == FMC_Bank1_SDRAM ) - { - tmpr2 = (uint32_t)((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)-1) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)-1) << 4) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)-1) << 8) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)-1) << 12) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)-1) << 16) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)-1) << 20) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay)-1) << 24); - - FMC_Bank5_6->SDTR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr2; - } - else /* SDTR "don't care bits configuration */ - { - tmpr2 = (uint32_t)((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)-1) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)-1) << 4) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)-1) << 8) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)-1) << 16); - - tmpr4 = (uint32_t)(((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)-1) << 12) | - (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)-1) << 20); - - FMC_Bank5_6->SDTR[FMC_Bank1_SDRAM] = tmpr4; - FMC_Bank5_6->SDTR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr2; - } - -} - -/** - * @brief Fills each FMC_SDRAMInitStruct member with its default value. - * @param FMC_SDRAMInitStruct: pointer to a FMC_SDRAMInitTypeDef structure - * which will be initialized. - * @retval None - */ -void FMC_SDRAMStructInit(FMC_SDRAMInitTypeDef* FMC_SDRAMInitStruct) -{ - /* Reset SDRAM Init structure parameters values */ - FMC_SDRAMInitStruct->FMC_Bank = FMC_Bank1_SDRAM; - FMC_SDRAMInitStruct->FMC_ColumnBitsNumber = FMC_ColumnBits_Number_8b; - FMC_SDRAMInitStruct->FMC_RowBitsNumber = FMC_RowBits_Number_11b; - FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth = FMC_SDMemory_Width_16b; - FMC_SDRAMInitStruct->FMC_InternalBankNumber = FMC_InternalBank_Number_4; - FMC_SDRAMInitStruct->FMC_CASLatency = FMC_CAS_Latency_1; - FMC_SDRAMInitStruct->FMC_WriteProtection = FMC_Write_Protection_Enable; - FMC_SDRAMInitStruct->FMC_SDClockPeriod = FMC_SDClock_Disable; - FMC_SDRAMInitStruct->FMC_ReadBurst = FMC_Read_Burst_Disable; - FMC_SDRAMInitStruct->FMC_ReadPipeDelay = FMC_ReadPipe_Delay_0; - - FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay = 16; - FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay = 16; - FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime = 16; - FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay = 16; - FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime = 16; - FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay = 16; - FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay = 16; - -} - -/** - * @brief Configures the SDRAM memory command issued when the device is accessed. - * @param FMC_SDRAMCommandStruct: pointer to a FMC_SDRAMCommandTypeDef structure - * which will be configured. - * @retval None - */ -void FMC_SDRAMCmdConfig(FMC_SDRAMCommandTypeDef* FMC_SDRAMCommandStruct) -{ - uint32_t tmpr = 0x0; - - /* check parameters */ - assert_param(IS_FMC_COMMAND_MODE(FMC_SDRAMCommandStruct->FMC_CommandMode)); - assert_param(IS_FMC_COMMAND_TARGET(FMC_SDRAMCommandStruct->FMC_CommandTarget)); - assert_param(IS_FMC_AUTOREFRESH_NUMBER(FMC_SDRAMCommandStruct->FMC_AutoRefreshNumber)); - assert_param(IS_FMC_MODE_REGISTER(FMC_SDRAMCommandStruct->FMC_ModeRegisterDefinition)); - - tmpr = (uint32_t)(FMC_SDRAMCommandStruct->FMC_CommandMode | - FMC_SDRAMCommandStruct->FMC_CommandTarget | - (((FMC_SDRAMCommandStruct->FMC_AutoRefreshNumber)-1)<<5) | - ((FMC_SDRAMCommandStruct->FMC_ModeRegisterDefinition)<<9)); - - FMC_Bank5_6->SDCMR = tmpr; - -} - - -/** - * @brief Returns the indicated FMC SDRAM bank mode status. - * @param SDRAM_Bank: Defines the FMC SDRAM bank. This parameter can be - * FMC_Bank1_SDRAM or FMC_Bank2_SDRAM. - * @retval The FMC SDRAM bank mode status - */ -uint32_t FMC_GetModeStatus(uint32_t SDRAM_Bank) -{ - uint32_t tmpreg = 0; - - /* Check the parameter */ - assert_param(IS_FMC_SDRAM_BANK(SDRAM_Bank)); - - /* Get the busy flag status */ - if(SDRAM_Bank == FMC_Bank1_SDRAM) - { - tmpreg = (uint32_t)(FMC_Bank5_6->SDSR & FMC_SDSR_MODES1); - } - else - { - tmpreg = ((uint32_t)(FMC_Bank5_6->SDSR & FMC_SDSR_MODES2) >> 2); - } - - /* Return the mode status */ - return tmpreg; -} - -/** - * @brief defines the SDRAM Memory Refresh rate. - * @param FMC_Count: specifies the Refresh timer count. - * @retval None - */ -void FMC_SetRefreshCount(uint32_t FMC_Count) -{ - /* check the parameters */ - assert_param(IS_FMC_REFRESH_COUNT(FMC_Count)); - - FMC_Bank5_6->SDRTR |= (FMC_Count<<1); - -} - -/** - * @brief Sets the Number of consecutive SDRAM Memory auto Refresh commands. - * @param FMC_Number: specifies the auto Refresh number. - * @retval None - */ -void FMC_SetAutoRefresh_Number(uint32_t FMC_Number) -{ - /* check the parameters */ - assert_param(IS_FMC_AUTOREFRESH_NUMBER(FMC_Number)); - - FMC_Bank5_6->SDCMR |= (FMC_Number << 5); -} - -/** - * @brief Enables or disables write protection to the specified FMC SDRAM Bank. - * @param SDRAM_Bank: Defines the FMC SDRAM bank. This parameter can be - * FMC_Bank1_SDRAM or FMC_Bank2_SDRAM. - * @param NewState: new state of the write protection flag. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void FMC_SDRAMWriteProtectionConfig(uint32_t SDRAM_Bank, FunctionalState NewState) -{ - /* Check the parameter */ - assert_param(IS_FUNCTIONAL_STATE(NewState)); - assert_param(IS_FMC_SDRAM_BANK(SDRAM_Bank)); - - if (NewState != DISABLE) - { - FMC_Bank5_6->SDCR[SDRAM_Bank] |= FMC_Write_Protection_Enable; - } - else - { - FMC_Bank5_6->SDCR[SDRAM_Bank] &= SDCR_WriteProtection_RESET; - } - -} - -/** - * @} - */ - -/** @defgroup FMC_Group5 Interrupts and flags management functions - * @brief Interrupts and flags management functions - * -@verbatim - =============================================================================== - ##### Interrupts and flags management functions ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Enables or disables the specified FMC interrupts. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD - * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM - * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM - * @param FMC_IT: specifies the FMC interrupt sources to be enabled or disabled. - * This parameter can be any combination of the following values: - * @arg FMC_IT_RisingEdge: Rising edge detection interrupt. - * @arg FMC_IT_Level: Level edge detection interrupt. - * @arg FMC_IT_FallingEdge: Falling edge detection interrupt. - * @arg FMC_IT_Refresh: Refresh error detection interrupt. - * @param NewState: new state of the specified FMC interrupts. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -void FMC_ITConfig(uint32_t FMC_Bank, uint32_t FMC_IT, FunctionalState NewState) -{ - assert_param(IS_FMC_IT_BANK(FMC_Bank)); - assert_param(IS_FMC_IT(FMC_IT)); - assert_param(IS_FUNCTIONAL_STATE(NewState)); - - if (NewState != DISABLE) - { - /* Enable the selected FMC_Bank2 interrupts */ - if(FMC_Bank == FMC_Bank2_NAND) - { - FMC_Bank2->SR2 |= FMC_IT; - } - /* Enable the selected FMC_Bank3 interrupts */ - else if (FMC_Bank == FMC_Bank3_NAND) - { - FMC_Bank3->SR3 |= FMC_IT; - } - /* Enable the selected FMC_Bank4 interrupts */ - else if (FMC_Bank == FMC_Bank4_PCCARD) - { - FMC_Bank4->SR4 |= FMC_IT; - } - /* Enable the selected FMC_Bank5_6 interrupt */ - else - { - /* Enables the interrupt if the refresh error flag is set */ - FMC_Bank5_6->SDRTR |= FMC_IT; - } - } - else - { - /* Disable the selected FMC_Bank2 interrupts */ - if(FMC_Bank == FMC_Bank2_NAND) - { - - FMC_Bank2->SR2 &= (uint32_t)~FMC_IT; - } - /* Disable the selected FMC_Bank3 interrupts */ - else if (FMC_Bank == FMC_Bank3_NAND) - { - FMC_Bank3->SR3 &= (uint32_t)~FMC_IT; - } - /* Disable the selected FMC_Bank4 interrupts */ - else if(FMC_Bank == FMC_Bank4_PCCARD) - { - FMC_Bank4->SR4 &= (uint32_t)~FMC_IT; - } - /* Disable the selected FMC_Bank5_6 interrupt */ - else - { - /* Disables the interrupt if the refresh error flag is not set */ - FMC_Bank5_6->SDRTR &= (uint32_t)~FMC_IT; - } - } -} - -/** - * @brief Checks whether the specified FMC flag is set or not. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD - * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM - * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM - * @arg FMC_Bank1_SDRAM | FMC_Bank2_SDRAM: FMC Bank1 or Bank2 SDRAM - * @param FMC_FLAG: specifies the flag to check. - * This parameter can be one of the following values: - * @arg FMC_FLAG_RisingEdge: Rising edge detection Flag. - * @arg FMC_FLAG_Level: Level detection Flag. - * @arg FMC_FLAG_FallingEdge: Falling edge detection Flag. - * @arg FMC_FLAG_FEMPT: Fifo empty Flag. - * @arg FMC_FLAG_Refresh: Refresh error Flag. - * @arg FMC_FLAG_Busy: Busy status Flag. - * @retval The new state of FMC_FLAG (SET or RESET). - */ -FlagStatus FMC_GetFlagStatus(uint32_t FMC_Bank, uint32_t FMC_FLAG) -{ - FlagStatus bitstatus = RESET; - uint32_t tmpsr = 0x00000000; - - /* Check the parameters */ - assert_param(IS_FMC_GETFLAG_BANK(FMC_Bank)); - assert_param(IS_FMC_GET_FLAG(FMC_FLAG)); - - if(FMC_Bank == FMC_Bank2_NAND) - { - tmpsr = FMC_Bank2->SR2; - } - else if(FMC_Bank == FMC_Bank3_NAND) - { - tmpsr = FMC_Bank3->SR3; - } - else if(FMC_Bank == FMC_Bank4_PCCARD) - { - tmpsr = FMC_Bank4->SR4; - } - else - { - tmpsr = FMC_Bank5_6->SDSR; - } - - /* Get the flag status */ - if ((tmpsr & FMC_FLAG) != FMC_FLAG ) - { - bitstatus = RESET; - } - else - { - bitstatus = SET; - } - /* Return the flag status */ - return bitstatus; -} - -/** - * @brief Clears the FMC's pending flags. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD - * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM - * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM - * @param FMC_FLAG: specifies the flag to clear. - * This parameter can be any combination of the following values: - * @arg FMC_FLAG_RisingEdge: Rising edge detection Flag. - * @arg FMC_FLAG_Level: Level detection Flag. - * @arg FMC_FLAG_FallingEdge: Falling edge detection Flag. - * @arg FMC_FLAG_Refresh: Refresh error Flag. - * @retval None - */ -void FMC_ClearFlag(uint32_t FMC_Bank, uint32_t FMC_FLAG) -{ - /* Check the parameters */ - assert_param(IS_FMC_GETFLAG_BANK(FMC_Bank)); - assert_param(IS_FMC_CLEAR_FLAG(FMC_FLAG)) ; - - if(FMC_Bank == FMC_Bank2_NAND) - { - FMC_Bank2->SR2 &= (~FMC_FLAG); - } - else if(FMC_Bank == FMC_Bank3_NAND) - { - FMC_Bank3->SR3 &= (~FMC_FLAG); - } - else if(FMC_Bank == FMC_Bank4_PCCARD) - { - FMC_Bank4->SR4 &= (~FMC_FLAG); - } - /* FMC_Bank5_6 SDRAM*/ - else - { - FMC_Bank5_6->SDRTR &= (~FMC_FLAG); - } - -} - -/** - * @brief Checks whether the specified FMC interrupt has occurred or not. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD - * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM - * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM - * @param FMC_IT: specifies the FMC interrupt source to check. - * This parameter can be one of the following values: - * @arg FMC_IT_RisingEdge: Rising edge detection interrupt. - * @arg FMC_IT_Level: Level edge detection interrupt. - * @arg FMC_IT_FallingEdge: Falling edge detection interrupt. - * @arg FMC_IT_Refresh: Refresh error detection interrupt. - * @retval The new state of FMC_IT (SET or RESET). - */ -ITStatus FMC_GetITStatus(uint32_t FMC_Bank, uint32_t FMC_IT) -{ - ITStatus bitstatus = RESET; - uint32_t tmpsr = 0x0; - uint32_t tmpsr2 = 0x0; - uint32_t itstatus = 0x0; - uint32_t itenable = 0x0; - - /* Check the parameters */ - assert_param(IS_FMC_IT_BANK(FMC_Bank)); - assert_param(IS_FMC_GET_IT(FMC_IT)); - - if(FMC_Bank == FMC_Bank2_NAND) - { - tmpsr = FMC_Bank2->SR2; - } - else if(FMC_Bank == FMC_Bank3_NAND) - { - tmpsr = FMC_Bank3->SR3; - } - else if(FMC_Bank == FMC_Bank4_PCCARD) - { - tmpsr = FMC_Bank4->SR4; - } - /* FMC_Bank5_6 SDRAM*/ - else - { - tmpsr = FMC_Bank5_6->SDRTR; - tmpsr2 = FMC_Bank5_6->SDSR; - } - - /* get the IT enable bit status*/ - itenable = tmpsr & FMC_IT; - - /* get the corresponding IT Flag status*/ - if((FMC_Bank == FMC_Bank1_SDRAM) || (FMC_Bank == FMC_Bank2_SDRAM)) - { - itstatus = tmpsr2 & FMC_SDSR_RE; - } - else - { - itstatus = tmpsr & (FMC_IT >> 3); - } - - if ((itstatus != (uint32_t)RESET) && (itenable != (uint32_t)RESET)) - { - bitstatus = SET; - } - else - { - bitstatus = RESET; - } - return bitstatus; -} - -/** - * @brief Clears the FMC's interrupt pending bits. - * @param FMC_Bank: specifies the FMC Bank to be used - * This parameter can be one of the following values: - * @arg FMC_Bank2_NAND: FMC Bank2 NAND - * @arg FMC_Bank3_NAND: FMC Bank3 NAND - * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD - * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM - * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM - * @param FMC_IT: specifies the interrupt pending bit to clear. - * This parameter can be any combination of the following values: - * @arg FMC_IT_RisingEdge: Rising edge detection interrupt. - * @arg FMC_IT_Level: Level edge detection interrupt. - * @arg FMC_IT_FallingEdge: Falling edge detection interrupt. - * @arg FMC_IT_Refresh: Refresh error detection interrupt. - * @retval None - */ -void FMC_ClearITPendingBit(uint32_t FMC_Bank, uint32_t FMC_IT) -{ - /* Check the parameters */ - assert_param(IS_FMC_IT_BANK(FMC_Bank)); - assert_param(IS_FMC_IT(FMC_IT)); - - if(FMC_Bank == FMC_Bank2_NAND) - { - FMC_Bank2->SR2 &= ~(FMC_IT >> 3); - } - else if(FMC_Bank == FMC_Bank3_NAND) - { - FMC_Bank3->SR3 &= ~(FMC_IT >> 3); - } - else if(FMC_Bank == FMC_Bank4_PCCARD) - { - FMC_Bank4->SR4 &= ~(FMC_IT >> 3); - } - /* FMC_Bank5_6 SDRAM*/ - else - { - FMC_Bank5_6->SDRTR |= FMC_SDRTR_CRE; - } -} - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +/** + ****************************************************************************** + * @file stm32f4xx_fmc.c + * @author MCD Application Team + * @version V1.2.1 + * @date 19-September-2013 + * @brief This file provides firmware functions to manage the following + * functionalities of the FMC peripheral: + * + Interface with SRAM, PSRAM, NOR and OneNAND memories + * + Interface with NAND memories + * + Interface with 16-bit PC Card compatible memories + * + Interface with SDRAM memories + * + Interrupts and flags management + * + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "ch.h" +#include "stm32f4xx_fmc.h" +//#include "stm32f4xx_rcc.h" + +#if CH_KERNEL_MAJOR == 2 + #define assert_param(expr) chDbgAssert(expr,"STPeriph FMC","") +#else + #define assert_param(expr) chDbgAssert(expr,"STPeriph FMC") +#endif + +/** @addtogroup STM32F4xx_StdPeriph_Driver + * @{ + */ + +/** @defgroup FMC + * @brief FMC driver modules + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ + +/* --------------------- FMC registers bit mask ---------------------------- */ +/* FMC BCRx Mask */ +#define BCR_MBKEN_SET ((uint32_t)0x00000001) +#define BCR_MBKEN_RESET ((uint32_t)0x000FFFFE) +#define BCR_FACCEN_SET ((uint32_t)0x00000040) + +/* FMC PCRx Mask */ +#define PCR_PBKEN_SET ((uint32_t)0x00000004) +#define PCR_PBKEN_RESET ((uint32_t)0x000FFFFB) +#define PCR_ECCEN_SET ((uint32_t)0x00000040) +#define PCR_ECCEN_RESET ((uint32_t)0x000FFFBF) +#define PCR_MEMORYTYPE_NAND ((uint32_t)0x00000008) + +/* FMC SDCRx write protection Mask*/ +#define SDCR_WriteProtection_RESET ((uint32_t)0x00007DFF) + +/* FMC SDCMR Mask*/ +#define SDCMR_CTB1_RESET ((uint32_t)0x003FFFEF) +#define SDCMR_CTB2_RESET ((uint32_t)0x003FFFF7) +#define SDCMR_CTB1_2_RESET ((uint32_t)0x003FFFE7) + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/** @defgroup FMC_Private_Functions + * @{ + */ + +/** @defgroup FMC_Group1 NOR/SRAM Controller functions + * @brief NOR/SRAM Controller functions + * +@verbatim + =============================================================================== + ##### NOR and SRAM Controller functions ##### + =============================================================================== + + [..] The following sequence should be followed to configure the FMC to interface + with SRAM, PSRAM, NOR or OneNAND memory connected to the NOR/SRAM Bank: + + (#) Enable the clock for the FMC and associated GPIOs using the following functions: + RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); + RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); + + (#) FMC pins configuration + (++) Connect the involved FMC pins to AF12 using the following function + GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); + (++) Configure these FMC pins in alternate function mode by calling the function + GPIO_Init(); + + (#) Declare a FMC_NORSRAMInitTypeDef structure, for example: + FMC_NORSRAMInitTypeDef FMC_NORSRAMInitStructure; + and fill the FMC_NORSRAMInitStructure variable with the allowed values of + the structure member. + + (#) Initialize the NOR/SRAM Controller by calling the function + FMC_NORSRAMInit(&FMC_NORSRAMInitStructure); + + (#) Then enable the NOR/SRAM Bank, for example: + FMC_NORSRAMCmd(FMC_Bank1_NORSRAM2, ENABLE); + + (#) At this stage you can read/write from/to the memory connected to the NOR/SRAM Bank. + +@endverbatim + * @{ + */ + +/** + * @brief De-initializes the FMC NOR/SRAM Banks registers to their default + * reset values. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank1_NORSRAM1: FMC Bank1 NOR/SRAM1 + * @arg FMC_Bank1_NORSRAM2: FMC Bank1 NOR/SRAM2 + * @arg FMC_Bank1_NORSRAM3: FMC Bank1 NOR/SRAM3 + * @arg FMC_Bank1_NORSRAM4: FMC Bank1 NOR/SRAM4 + * @retval None + */ +void FMC_NORSRAMDeInit(uint32_t FMC_Bank) +{ + /* Check the parameter */ + assert_param(IS_FMC_NORSRAM_BANK(FMC_Bank)); + + /* FMC_Bank1_NORSRAM1 */ + if(FMC_Bank == FMC_Bank1_NORSRAM1) + { + FMC_Bank1->BTCR[FMC_Bank] = 0x000030DB; + } + /* FMC_Bank1_NORSRAM2, FMC_Bank1_NORSRAM3 or FMC_Bank1_NORSRAM4 */ + else + { + FMC_Bank1->BTCR[FMC_Bank] = 0x000030D2; + } + FMC_Bank1->BTCR[FMC_Bank + 1] = 0x0FFFFFFF; + FMC_Bank1E->BWTR[FMC_Bank] = 0x0FFFFFFF; +} + +/** + * @brief Initializes the FMC NOR/SRAM Banks according to the specified + * parameters in the FMC_NORSRAMInitStruct. + * @param FMC_NORSRAMInitStruct : pointer to a FMC_NORSRAMInitTypeDef structure + * that contains the configuration information for the FMC NOR/SRAM + * specified Banks. + * @retval None + */ +void FMC_NORSRAMInit(FMC_NORSRAMInitTypeDef* FMC_NORSRAMInitStruct) +{ + uint32_t tmpr = 0; + + /* Check the parameters */ + assert_param(IS_FMC_NORSRAM_BANK(FMC_NORSRAMInitStruct->FMC_Bank)); + assert_param(IS_FMC_MUX(FMC_NORSRAMInitStruct->FMC_DataAddressMux)); + assert_param(IS_FMC_MEMORY(FMC_NORSRAMInitStruct->FMC_MemoryType)); + assert_param(IS_FMC_NORSRAM_MEMORY_WIDTH(FMC_NORSRAMInitStruct->FMC_MemoryDataWidth)); + assert_param(IS_FMC_BURSTMODE(FMC_NORSRAMInitStruct->FMC_BurstAccessMode)); + assert_param(IS_FMC_WAIT_POLARITY(FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity)); + assert_param(IS_FMC_WRAP_MODE(FMC_NORSRAMInitStruct->FMC_WrapMode)); + assert_param(IS_FMC_WAIT_SIGNAL_ACTIVE(FMC_NORSRAMInitStruct->FMC_WaitSignalActive)); + assert_param(IS_FMC_WRITE_OPERATION(FMC_NORSRAMInitStruct->FMC_WriteOperation)); + assert_param(IS_FMC_WAITE_SIGNAL(FMC_NORSRAMInitStruct->FMC_WaitSignal)); + assert_param(IS_FMC_EXTENDED_MODE(FMC_NORSRAMInitStruct->FMC_ExtendedMode)); + assert_param(IS_FMC_ASYNWAIT(FMC_NORSRAMInitStruct->FMC_AsynchronousWait)); + assert_param(IS_FMC_WRITE_BURST(FMC_NORSRAMInitStruct->FMC_WriteBurst)); + assert_param(IS_FMC_CONTINOUS_CLOCK(FMC_NORSRAMInitStruct->FMC_ContinousClock)); + assert_param(IS_FMC_ADDRESS_SETUP_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime)); + assert_param(IS_FMC_ADDRESS_HOLD_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime)); + assert_param(IS_FMC_DATASETUP_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime)); + assert_param(IS_FMC_TURNAROUND_TIME(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration)); + assert_param(IS_FMC_CLK_DIV(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision)); + assert_param(IS_FMC_DATA_LATENCY(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency)); + assert_param(IS_FMC_ACCESS_MODE(FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode)); + + /* NOR/SRAM Bank control register configuration */ + FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank] = + (uint32_t)FMC_NORSRAMInitStruct->FMC_DataAddressMux | + FMC_NORSRAMInitStruct->FMC_MemoryType | + FMC_NORSRAMInitStruct->FMC_MemoryDataWidth | + FMC_NORSRAMInitStruct->FMC_BurstAccessMode | + FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity | + FMC_NORSRAMInitStruct->FMC_WrapMode | + FMC_NORSRAMInitStruct->FMC_WaitSignalActive | + FMC_NORSRAMInitStruct->FMC_WriteOperation | + FMC_NORSRAMInitStruct->FMC_WaitSignal | + FMC_NORSRAMInitStruct->FMC_ExtendedMode | + FMC_NORSRAMInitStruct->FMC_AsynchronousWait | + FMC_NORSRAMInitStruct->FMC_WriteBurst | + FMC_NORSRAMInitStruct->FMC_ContinousClock; + + + if(FMC_NORSRAMInitStruct->FMC_MemoryType == FMC_MemoryType_NOR) + { + FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank] |= (uint32_t)BCR_FACCEN_SET; + } + + /* Configure Continuous clock feature when bank2..4 is used */ + if((FMC_NORSRAMInitStruct->FMC_ContinousClock == FMC_CClock_SyncAsync) && (FMC_NORSRAMInitStruct->FMC_Bank != FMC_Bank1_NORSRAM1)) + { + tmpr = (uint32_t)((FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1+1]) & ~(((uint32_t)0x0F) << 20)); + + FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1] |= FMC_NORSRAMInitStruct->FMC_ContinousClock; + FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1] |= FMC_BurstAccessMode_Enable; + FMC_Bank1->BTCR[FMC_Bank1_NORSRAM1+1] = (uint32_t)(tmpr | (((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision)-1) << 20)); + } + + /* NOR/SRAM Bank timing register configuration */ + FMC_Bank1->BTCR[FMC_NORSRAMInitStruct->FMC_Bank+1] = + (uint32_t)FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime | + (FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime << 4) | + (FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime << 8) | + (FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration << 16) | + ((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision) << 20) | + ((FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency) << 24) | + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode; + + /* NOR/SRAM Bank timing register for write configuration, if extended mode is used */ + if(FMC_NORSRAMInitStruct->FMC_ExtendedMode == FMC_ExtendedMode_Enable) + { + assert_param(IS_FMC_ADDRESS_SETUP_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime)); + assert_param(IS_FMC_ADDRESS_HOLD_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime)); + assert_param(IS_FMC_DATASETUP_TIME(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime)); + assert_param(IS_FMC_CLK_DIV(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision)); + assert_param(IS_FMC_DATA_LATENCY(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency)); + assert_param(IS_FMC_ACCESS_MODE(FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode)); + + FMC_Bank1E->BWTR[FMC_NORSRAMInitStruct->FMC_Bank] = + (uint32_t)FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime | + (FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime << 4 )| + (FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime << 8) | + ((FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision) << 20) | + ((FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency) << 24) | + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode; + } + else + { + FMC_Bank1E->BWTR[FMC_NORSRAMInitStruct->FMC_Bank] = 0x0FFFFFFF; + } + +} + +/** + * @brief Fills each FMC_NORSRAMInitStruct member with its default value. + * @param FMC_NORSRAMInitStruct: pointer to a FMC_NORSRAMInitTypeDef structure + * which will be initialized. + * @retval None + */ +void FMC_NORSRAMStructInit(FMC_NORSRAMInitTypeDef* FMC_NORSRAMInitStruct) +{ + /* Reset NOR/SRAM Init structure parameters values */ + FMC_NORSRAMInitStruct->FMC_Bank = FMC_Bank1_NORSRAM1; + FMC_NORSRAMInitStruct->FMC_DataAddressMux = FMC_DataAddressMux_Enable; + FMC_NORSRAMInitStruct->FMC_MemoryType = FMC_MemoryType_SRAM; + FMC_NORSRAMInitStruct->FMC_MemoryDataWidth = FMC_NORSRAM_MemoryDataWidth_16b; + FMC_NORSRAMInitStruct->FMC_BurstAccessMode = FMC_BurstAccessMode_Disable; + FMC_NORSRAMInitStruct->FMC_AsynchronousWait = FMC_AsynchronousWait_Disable; + FMC_NORSRAMInitStruct->FMC_WaitSignalPolarity = FMC_WaitSignalPolarity_Low; + FMC_NORSRAMInitStruct->FMC_WrapMode = FMC_WrapMode_Disable; + FMC_NORSRAMInitStruct->FMC_WaitSignalActive = FMC_WaitSignalActive_BeforeWaitState; + FMC_NORSRAMInitStruct->FMC_WriteOperation = FMC_WriteOperation_Enable; + FMC_NORSRAMInitStruct->FMC_WaitSignal = FMC_WaitSignal_Enable; + FMC_NORSRAMInitStruct->FMC_ExtendedMode = FMC_ExtendedMode_Disable; + FMC_NORSRAMInitStruct->FMC_WriteBurst = FMC_WriteBurst_Disable; + FMC_NORSRAMInitStruct->FMC_ContinousClock = FMC_CClock_SyncOnly; + + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressSetupTime = 15; + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AddressHoldTime = 15; + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataSetupTime = 255; + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_BusTurnAroundDuration = 15; + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_CLKDivision = 15; + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_DataLatency = 15; + FMC_NORSRAMInitStruct->FMC_ReadWriteTimingStruct->FMC_AccessMode = FMC_AccessMode_A; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressSetupTime = 15; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AddressHoldTime = 15; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataSetupTime = 255; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_BusTurnAroundDuration = 15; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_CLKDivision = 15; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_DataLatency = 15; + FMC_NORSRAMInitStruct->FMC_WriteTimingStruct->FMC_AccessMode = FMC_AccessMode_A; +} + +/** + * @brief Enables or disables the specified NOR/SRAM Memory Bank. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank1_NORSRAM1: FMC Bank1 NOR/SRAM1 + * @arg FMC_Bank1_NORSRAM2: FMC Bank1 NOR/SRAM2 + * @arg FMC_Bank1_NORSRAM3: FMC Bank1 NOR/SRAM3 + * @arg FMC_Bank1_NORSRAM4: FMC Bank1 NOR/SRAM4 + * @param NewState: new state of the FMC_Bank. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FMC_NORSRAMCmd(uint32_t FMC_Bank, FunctionalState NewState) +{ + assert_param(IS_FMC_NORSRAM_BANK(FMC_Bank)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected NOR/SRAM Bank by setting the PBKEN bit in the BCRx register */ + FMC_Bank1->BTCR[FMC_Bank] |= BCR_MBKEN_SET; + } + else + { + /* Disable the selected NOR/SRAM Bank by clearing the PBKEN bit in the BCRx register */ + FMC_Bank1->BTCR[FMC_Bank] &= BCR_MBKEN_RESET; + } +} +/** + * @} + */ + +/** @defgroup FMC_Group2 NAND Controller functions + * @brief NAND Controller functions + * +@verbatim + =============================================================================== + ##### NAND Controller functions ##### + =============================================================================== + + [..] The following sequence should be followed to configure the FMC to interface + with 8-bit or 16-bit NAND memory connected to the NAND Bank: + + (#) Enable the clock for the FMC and associated GPIOs using the following functions: + (++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); + (++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); + + (#) FMC pins configuration + (++) Connect the involved FMC pins to AF12 using the following function + GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); + (++) Configure these FMC pins in alternate function mode by calling the function + GPIO_Init(); + + (#) Declare a FMC_NANDInitTypeDef structure, for example: + FMC_NANDInitTypeDef FMC_NANDInitStructure; + and fill the FMC_NANDInitStructure variable with the allowed values of + the structure member. + + (#) Initialize the NAND Controller by calling the function + FMC_NANDInit(&FMC_NANDInitStructure); + + (#) Then enable the NAND Bank, for example: + FMC_NANDCmd(FMC_Bank3_NAND, ENABLE); + + (#) At this stage you can read/write from/to the memory connected to the NAND Bank. + + [..] + (@) To enable the Error Correction Code (ECC), you have to use the function + FMC_NANDECCCmd(FMC_Bank3_NAND, ENABLE); + [..] + (@) and to get the current ECC value you have to use the function + ECCval = FMC_GetECC(FMC_Bank3_NAND); + +@endverbatim + * @{ + */ + +/** + * @brief De-initializes the FMC NAND Banks registers to their default reset values. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @retval None + */ +void FMC_NANDDeInit(uint32_t FMC_Bank) +{ + /* Check the parameter */ + assert_param(IS_FMC_NAND_BANK(FMC_Bank)); + + if(FMC_Bank == FMC_Bank2_NAND) + { + /* Set the FMC_Bank2 registers to their reset values */ + FMC_Bank2->PCR2 = 0x00000018; + FMC_Bank2->SR2 = 0x00000040; + FMC_Bank2->PMEM2 = 0xFCFCFCFC; + FMC_Bank2->PATT2 = 0xFCFCFCFC; + } + /* FMC_Bank3_NAND */ + else + { + /* Set the FMC_Bank3 registers to their reset values */ + FMC_Bank3->PCR3 = 0x00000018; + FMC_Bank3->SR3 = 0x00000040; + FMC_Bank3->PMEM3 = 0xFCFCFCFC; + FMC_Bank3->PATT3 = 0xFCFCFCFC; + } +} + +/** + * @brief Initializes the FMC NAND Banks according to the specified parameters + * in the FMC_NANDInitStruct. + * @param FMC_NANDInitStruct : pointer to a FMC_NANDInitTypeDef structure that + * contains the configuration information for the FMC NAND specified Banks. + * @retval None + */ +void FMC_NANDInit(FMC_NANDInitTypeDef* FMC_NANDInitStruct) +{ + uint32_t tmppcr = 0x00000000, tmppmem = 0x00000000, tmppatt = 0x00000000; + + /* Check the parameters */ + assert_param(IS_FMC_NAND_BANK(FMC_NANDInitStruct->FMC_Bank)); + assert_param(IS_FMC_WAIT_FEATURE(FMC_NANDInitStruct->FMC_Waitfeature)); + assert_param(IS_FMC_NAND_MEMORY_WIDTH(FMC_NANDInitStruct->FMC_MemoryDataWidth)); + assert_param(IS_FMC_ECC_STATE(FMC_NANDInitStruct->FMC_ECC)); + assert_param(IS_FMC_ECCPAGE_SIZE(FMC_NANDInitStruct->FMC_ECCPageSize)); + assert_param(IS_FMC_TCLR_TIME(FMC_NANDInitStruct->FMC_TCLRSetupTime)); + assert_param(IS_FMC_TAR_TIME(FMC_NANDInitStruct->FMC_TARSetupTime)); + assert_param(IS_FMC_SETUP_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime)); + assert_param(IS_FMC_WAIT_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime)); + assert_param(IS_FMC_HOLD_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime)); + assert_param(IS_FMC_HIZ_TIME(FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime)); + assert_param(IS_FMC_SETUP_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime)); + assert_param(IS_FMC_WAIT_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime)); + assert_param(IS_FMC_HOLD_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime)); + assert_param(IS_FMC_HIZ_TIME(FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime)); + + /* Set the tmppcr value according to FMC_NANDInitStruct parameters */ + tmppcr = (uint32_t)FMC_NANDInitStruct->FMC_Waitfeature | + PCR_MEMORYTYPE_NAND | + FMC_NANDInitStruct->FMC_MemoryDataWidth | + FMC_NANDInitStruct->FMC_ECC | + FMC_NANDInitStruct->FMC_ECCPageSize | + (FMC_NANDInitStruct->FMC_TCLRSetupTime << 9 )| + (FMC_NANDInitStruct->FMC_TARSetupTime << 13); + + /* Set tmppmem value according to FMC_CommonSpaceTimingStructure parameters */ + tmppmem = (uint32_t)FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime | + (FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime << 8) | + (FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime << 16)| + (FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime << 24); + + /* Set tmppatt value according to FMC_AttributeSpaceTimingStructure parameters */ + tmppatt = (uint32_t)FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime | + (FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime << 8) | + (FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime << 16)| + (FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime << 24); + + if(FMC_NANDInitStruct->FMC_Bank == FMC_Bank2_NAND) + { + /* FMC_Bank2_NAND registers configuration */ + FMC_Bank2->PCR2 = tmppcr; + FMC_Bank2->PMEM2 = tmppmem; + FMC_Bank2->PATT2 = tmppatt; + } + else + { + /* FMC_Bank3_NAND registers configuration */ + FMC_Bank3->PCR3 = tmppcr; + FMC_Bank3->PMEM3 = tmppmem; + FMC_Bank3->PATT3 = tmppatt; + } +} + + +/** + * @brief Fills each FMC_NANDInitStruct member with its default value. + * @param FMC_NANDInitStruct: pointer to a FMC_NANDInitTypeDef structure which + * will be initialized. + * @retval None + */ +void FMC_NANDStructInit(FMC_NANDInitTypeDef* FMC_NANDInitStruct) +{ + /* Reset NAND Init structure parameters values */ + FMC_NANDInitStruct->FMC_Bank = FMC_Bank2_NAND; + FMC_NANDInitStruct->FMC_Waitfeature = FMC_Waitfeature_Disable; + FMC_NANDInitStruct->FMC_MemoryDataWidth = FMC_NAND_MemoryDataWidth_16b; + FMC_NANDInitStruct->FMC_ECC = FMC_ECC_Disable; + FMC_NANDInitStruct->FMC_ECCPageSize = FMC_ECCPageSize_256Bytes; + FMC_NANDInitStruct->FMC_TCLRSetupTime = 0x0; + FMC_NANDInitStruct->FMC_TARSetupTime = 0x0; + FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime = 252; + FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime = 252; + FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime = 252; + FMC_NANDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime = 252; + FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime = 252; + FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime = 252; + FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime = 252; + FMC_NANDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime = 252; +} + +/** + * @brief Enables or disables the specified NAND Memory Bank. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @param NewState: new state of the FMC_Bank. This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FMC_NANDCmd(uint32_t FMC_Bank, FunctionalState NewState) +{ + assert_param(IS_FMC_NAND_BANK(FMC_Bank)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected NAND Bank by setting the PBKEN bit in the PCRx register */ + if(FMC_Bank == FMC_Bank2_NAND) + { + FMC_Bank2->PCR2 |= PCR_PBKEN_SET; + } + else + { + FMC_Bank3->PCR3 |= PCR_PBKEN_SET; + } + } + else + { + /* Disable the selected NAND Bank by clearing the PBKEN bit in the PCRx register */ + if(FMC_Bank == FMC_Bank2_NAND) + { + FMC_Bank2->PCR2 &= PCR_PBKEN_RESET; + } + else + { + FMC_Bank3->PCR3 &= PCR_PBKEN_RESET; + } + } +} +/** + * @brief Enables or disables the FMC NAND ECC feature. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @param NewState: new state of the FMC NAND ECC feature. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FMC_NANDECCCmd(uint32_t FMC_Bank, FunctionalState NewState) +{ + assert_param(IS_FMC_NAND_BANK(FMC_Bank)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected NAND Bank ECC function by setting the ECCEN bit in the PCRx register */ + if(FMC_Bank == FMC_Bank2_NAND) + { + FMC_Bank2->PCR2 |= PCR_ECCEN_SET; + } + else + { + FMC_Bank3->PCR3 |= PCR_ECCEN_SET; + } + } + else + { + /* Disable the selected NAND Bank ECC function by clearing the ECCEN bit in the PCRx register */ + if(FMC_Bank == FMC_Bank2_NAND) + { + FMC_Bank2->PCR2 &= PCR_ECCEN_RESET; + } + else + { + FMC_Bank3->PCR3 &= PCR_ECCEN_RESET; + } + } +} + +/** + * @brief Returns the error correction code register value. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @retval The Error Correction Code (ECC) value. + */ +uint32_t FMC_GetECC(uint32_t FMC_Bank) +{ + uint32_t eccval = 0x00000000; + + if(FMC_Bank == FMC_Bank2_NAND) + { + /* Get the ECCR2 register value */ + eccval = FMC_Bank2->ECCR2; + } + else + { + /* Get the ECCR3 register value */ + eccval = FMC_Bank3->ECCR3; + } + /* Return the error correction code value */ + return(eccval); +} +/** + * @} + */ + +/** @defgroup FMC_Group3 PCCARD Controller functions + * @brief PCCARD Controller functions + * +@verbatim + =============================================================================== + ##### PCCARD Controller functions ##### + =============================================================================== + + [..] he following sequence should be followed to configure the FMC to interface + with 16-bit PC Card compatible memory connected to the PCCARD Bank: + + (#) Enable the clock for the FMC and associated GPIOs using the following functions: + (++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); + (++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); + + (#) FMC pins configuration + (++) Connect the involved FMC pins to AF12 using the following function + GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); + (++) Configure these FMC pins in alternate function mode by calling the function + GPIO_Init(); + + (#) Declare a FMC_PCCARDInitTypeDef structure, for example: + FMC_PCCARDInitTypeDef FMC_PCCARDInitStructure; + and fill the FMC_PCCARDInitStructure variable with the allowed values of + the structure member. + + (#) Initialize the PCCARD Controller by calling the function + FMC_PCCARDInit(&FMC_PCCARDInitStructure); + + (#) Then enable the PCCARD Bank: + FMC_PCCARDCmd(ENABLE); + + (#) At this stage you can read/write from/to the memory connected to the PCCARD Bank. + +@endverbatim + * @{ + */ + +/** + * @brief De-initializes the FMC PCCARD Bank registers to their default reset values. + * @param None + * @retval None + */ +void FMC_PCCARDDeInit(void) +{ + /* Set the FMC_Bank4 registers to their reset values */ + FMC_Bank4->PCR4 = 0x00000018; + FMC_Bank4->SR4 = 0x00000000; + FMC_Bank4->PMEM4 = 0xFCFCFCFC; + FMC_Bank4->PATT4 = 0xFCFCFCFC; + FMC_Bank4->PIO4 = 0xFCFCFCFC; +} + +/** + * @brief Initializes the FMC PCCARD Bank according to the specified parameters + * in the FMC_PCCARDInitStruct. + * @param FMC_PCCARDInitStruct : pointer to a FMC_PCCARDInitTypeDef structure + * that contains the configuration information for the FMC PCCARD Bank. + * @retval None + */ +void FMC_PCCARDInit(FMC_PCCARDInitTypeDef* FMC_PCCARDInitStruct) +{ + /* Check the parameters */ + assert_param(IS_FMC_WAIT_FEATURE(FMC_PCCARDInitStruct->FMC_Waitfeature)); + assert_param(IS_FMC_TCLR_TIME(FMC_PCCARDInitStruct->FMC_TCLRSetupTime)); + assert_param(IS_FMC_TAR_TIME(FMC_PCCARDInitStruct->FMC_TARSetupTime)); + + assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime)); + assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime)); + assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime)); + assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime)); + + assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime)); + assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime)); + assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime)); + assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime)); + assert_param(IS_FMC_SETUP_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime)); + assert_param(IS_FMC_WAIT_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime)); + assert_param(IS_FMC_HOLD_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime)); + assert_param(IS_FMC_HIZ_TIME(FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime)); + + /* Set the PCR4 register value according to FMC_PCCARDInitStruct parameters */ + FMC_Bank4->PCR4 = (uint32_t)FMC_PCCARDInitStruct->FMC_Waitfeature | + FMC_NAND_MemoryDataWidth_16b | + (FMC_PCCARDInitStruct->FMC_TCLRSetupTime << 9) | + (FMC_PCCARDInitStruct->FMC_TARSetupTime << 13); + + /* Set PMEM4 register value according to FMC_CommonSpaceTimingStructure parameters */ + FMC_Bank4->PMEM4 = (uint32_t)FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime | + (FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime << 8) | + (FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime << 16)| + (FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime << 24); + + /* Set PATT4 register value according to FMC_AttributeSpaceTimingStructure parameters */ + FMC_Bank4->PATT4 = (uint32_t)FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime | + (FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime << 8) | + (FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime << 16)| + (FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime << 24); + + /* Set PIO4 register value according to FMC_IOSpaceTimingStructure parameters */ + FMC_Bank4->PIO4 = (uint32_t)FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime | + (FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime << 8) | + (FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime << 16)| + (FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime << 24); +} + +/** + * @brief Fills each FMC_PCCARDInitStruct member with its default value. + * @param FMC_PCCARDInitStruct: pointer to a FMC_PCCARDInitTypeDef structure + * which will be initialized. + * @retval None + */ +void FMC_PCCARDStructInit(FMC_PCCARDInitTypeDef* FMC_PCCARDInitStruct) +{ + /* Reset PCCARD Init structure parameters values */ + FMC_PCCARDInitStruct->FMC_Waitfeature = FMC_Waitfeature_Disable; + FMC_PCCARDInitStruct->FMC_TCLRSetupTime = 0; + FMC_PCCARDInitStruct->FMC_TARSetupTime = 0; + FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_SetupTime = 252; + FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_WaitSetupTime = 252; + FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HoldSetupTime = 252; + FMC_PCCARDInitStruct->FMC_CommonSpaceTimingStruct->FMC_HiZSetupTime = 252; + FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_SetupTime = 252; + FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_WaitSetupTime = 252; + FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HoldSetupTime = 252; + FMC_PCCARDInitStruct->FMC_AttributeSpaceTimingStruct->FMC_HiZSetupTime = 252; + FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_SetupTime = 252; + FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_WaitSetupTime = 252; + FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HoldSetupTime = 252; + FMC_PCCARDInitStruct->FMC_IOSpaceTimingStruct->FMC_HiZSetupTime = 252; +} + +/** + * @brief Enables or disables the PCCARD Memory Bank. + * @param NewState: new state of the PCCARD Memory Bank. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FMC_PCCARDCmd(FunctionalState NewState) +{ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the PCCARD Bank by setting the PBKEN bit in the PCR4 register */ + FMC_Bank4->PCR4 |= PCR_PBKEN_SET; + } + else + { + /* Disable the PCCARD Bank by clearing the PBKEN bit in the PCR4 register */ + FMC_Bank4->PCR4 &= PCR_PBKEN_RESET; + } +} + +/** + * @} + */ + +/** @defgroup FMC_Group4 SDRAM Controller functions + * @brief SDRAM Controller functions + * +@verbatim + =============================================================================== + ##### SDRAM Controller functions ##### + =============================================================================== + + [..] The following sequence should be followed to configure the FMC to interface + with SDRAM memory connected to the SDRAM Bank 1 or SDRAM bank 2: + + (#) Enable the clock for the FMC and associated GPIOs using the following functions: + (++) RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FMC, ENABLE); + (++) RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOx, ENABLE); + + (#) FMC pins configuration + (++) Connect the involved FMC pins to AF12 using the following function + GPIO_PinAFConfig(GPIOx, GPIO_PinSourcex, GPIO_AF_FMC); + (++) Configure these FMC pins in alternate function mode by calling the function + GPIO_Init(); + + (#) Declare a FMC_SDRAMInitTypeDef structure, for example: + FMC_SDRAMInitTypeDef FMC_SDRAMInitStructure; + and fill the FMC_SDRAMInitStructure variable with the allowed values of + the structure member. + + (#) Initialize the SDRAM Controller by calling the function + FMC_SDRAMInit(&FMC_SDRAMInitStructure); + + (#) Declare a FMC_SDRAMCommandTypeDef structure, for example: + FMC_SDRAMCommandTypeDef FMC_SDRAMCommandStructure; + and fill the FMC_SDRAMCommandStructure variable with the allowed values of + the structure member. + + (#) Configure the SDCMR register with the desired command parameters by calling + the function FMC_SDRAMCmdConfig(&FMC_SDRAMCommandStructure); + + (#) At this stage, the SDRAM memory is ready for any valid command. + +@endverbatim + * @{ + */ + +/** + * @brief De-initializes the FMC SDRAM Banks registers to their default + * reset values. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @retval None + */ +void FMC_SDRAMDeInit(uint32_t FMC_Bank) +{ + /* Check the parameter */ + assert_param(IS_FMC_SDRAM_BANK(FMC_Bank)); + + FMC_Bank5_6->SDCR[FMC_Bank] = 0x000002D0; + FMC_Bank5_6->SDTR[FMC_Bank] = 0x0FFFFFFF; + FMC_Bank5_6->SDCMR = 0x00000000; + FMC_Bank5_6->SDRTR = 0x00000000; + FMC_Bank5_6->SDSR = 0x00000000; +} + +/** + * @brief Initializes the FMC SDRAM Banks according to the specified + * parameters in the FMC_SDRAMInitStruct. + * @param FMC_SDRAMInitStruct : pointer to a FMC_SDRAMInitTypeDef structure + * that contains the configuration information for the FMC SDRAM + * specified Banks. + * @retval None + */ +void FMC_SDRAMInit(FMC_SDRAMInitTypeDef* FMC_SDRAMInitStruct) +{ + /* temporary registers */ + uint32_t tmpr1 = 0; + uint32_t tmpr2 = 0; + uint32_t tmpr3 = 0; + uint32_t tmpr4 = 0; + + /* Check the parameters */ + + /* Control parameters */ + assert_param(IS_FMC_SDRAM_BANK(FMC_SDRAMInitStruct->FMC_Bank)); + assert_param(IS_FMC_COLUMNBITS_NUMBER(FMC_SDRAMInitStruct->FMC_ColumnBitsNumber)); + assert_param(IS_FMC_ROWBITS_NUMBER(FMC_SDRAMInitStruct->FMC_RowBitsNumber)); + assert_param(IS_FMC_SDMEMORY_WIDTH(FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth)); + assert_param(IS_FMC_INTERNALBANK_NUMBER(FMC_SDRAMInitStruct->FMC_InternalBankNumber)); + assert_param(IS_FMC_CAS_LATENCY(FMC_SDRAMInitStruct->FMC_CASLatency)); + assert_param(IS_FMC_WRITE_PROTECTION(FMC_SDRAMInitStruct->FMC_WriteProtection)); + assert_param(IS_FMC_SDCLOCK_PERIOD(FMC_SDRAMInitStruct->FMC_SDClockPeriod)); + assert_param(IS_FMC_READ_BURST(FMC_SDRAMInitStruct->FMC_ReadBurst)); + assert_param(IS_FMC_READPIPE_DELAY(FMC_SDRAMInitStruct->FMC_ReadPipeDelay)); + + /* Timing parameters */ + assert_param(IS_FMC_LOADTOACTIVE_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)); + assert_param(IS_FMC_EXITSELFREFRESH_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)); + assert_param(IS_FMC_SELFREFRESH_TIME(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)); + assert_param(IS_FMC_ROWCYCLE_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)); + assert_param(IS_FMC_WRITE_RECOVERY_TIME(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)); + assert_param(IS_FMC_RP_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)); + assert_param(IS_FMC_RCD_DELAY(FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay)); + + /* SDRAM bank control register configuration */ + tmpr1 = (uint32_t)FMC_SDRAMInitStruct->FMC_ColumnBitsNumber | + FMC_SDRAMInitStruct->FMC_RowBitsNumber | + FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth | + FMC_SDRAMInitStruct->FMC_InternalBankNumber | + FMC_SDRAMInitStruct->FMC_CASLatency | + FMC_SDRAMInitStruct->FMC_WriteProtection | + FMC_SDRAMInitStruct->FMC_SDClockPeriod | + FMC_SDRAMInitStruct->FMC_ReadBurst | + FMC_SDRAMInitStruct->FMC_ReadPipeDelay; + + if(FMC_SDRAMInitStruct->FMC_Bank == FMC_Bank1_SDRAM ) + { + FMC_Bank5_6->SDCR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr1; + } + else /* SDCR2 "don't care" bits configuration */ + { + tmpr3 = (uint32_t)FMC_SDRAMInitStruct->FMC_SDClockPeriod | + FMC_SDRAMInitStruct->FMC_ReadBurst | + FMC_SDRAMInitStruct->FMC_ReadPipeDelay; + + FMC_Bank5_6->SDCR[FMC_Bank1_SDRAM] = tmpr3; + FMC_Bank5_6->SDCR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr1; + } + /* SDRAM bank timing register configuration */ + if(FMC_SDRAMInitStruct->FMC_Bank == FMC_Bank1_SDRAM ) + { + tmpr2 = (uint32_t)((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)-1) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)-1) << 4) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)-1) << 8) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)-1) << 12) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)-1) << 16) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)-1) << 20) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay)-1) << 24); + + FMC_Bank5_6->SDTR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr2; + } + else /* SDTR "don't care bits configuration */ + { + tmpr2 = (uint32_t)((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay)-1) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay)-1) << 4) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime)-1) << 8) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime)-1) << 16); + + tmpr4 = (uint32_t)(((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay)-1) << 12) | + (((FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay)-1) << 20); + + FMC_Bank5_6->SDTR[FMC_Bank1_SDRAM] = tmpr4; + FMC_Bank5_6->SDTR[FMC_SDRAMInitStruct->FMC_Bank] = tmpr2; + } + +} + +/** + * @brief Fills each FMC_SDRAMInitStruct member with its default value. + * @param FMC_SDRAMInitStruct: pointer to a FMC_SDRAMInitTypeDef structure + * which will be initialized. + * @retval None + */ +void FMC_SDRAMStructInit(FMC_SDRAMInitTypeDef* FMC_SDRAMInitStruct) +{ + /* Reset SDRAM Init structure parameters values */ + FMC_SDRAMInitStruct->FMC_Bank = FMC_Bank1_SDRAM; + FMC_SDRAMInitStruct->FMC_ColumnBitsNumber = FMC_ColumnBits_Number_8b; + FMC_SDRAMInitStruct->FMC_RowBitsNumber = FMC_RowBits_Number_11b; + FMC_SDRAMInitStruct->FMC_SDMemoryDataWidth = FMC_SDMemory_Width_16b; + FMC_SDRAMInitStruct->FMC_InternalBankNumber = FMC_InternalBank_Number_4; + FMC_SDRAMInitStruct->FMC_CASLatency = FMC_CAS_Latency_1; + FMC_SDRAMInitStruct->FMC_WriteProtection = FMC_Write_Protection_Enable; + FMC_SDRAMInitStruct->FMC_SDClockPeriod = FMC_SDClock_Disable; + FMC_SDRAMInitStruct->FMC_ReadBurst = FMC_Read_Burst_Disable; + FMC_SDRAMInitStruct->FMC_ReadPipeDelay = FMC_ReadPipe_Delay_0; + + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_LoadToActiveDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_ExitSelfRefreshDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_SelfRefreshTime = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RowCycleDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_WriteRecoveryTime = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RPDelay = 16; + FMC_SDRAMInitStruct->FMC_SDRAMTimingStruct->FMC_RCDDelay = 16; + +} + +/** + * @brief Configures the SDRAM memory command issued when the device is accessed. + * @param FMC_SDRAMCommandStruct: pointer to a FMC_SDRAMCommandTypeDef structure + * which will be configured. + * @retval None + */ +void FMC_SDRAMCmdConfig(FMC_SDRAMCommandTypeDef* FMC_SDRAMCommandStruct) +{ + uint32_t tmpr = 0x0; + + /* check parameters */ + assert_param(IS_FMC_COMMAND_MODE(FMC_SDRAMCommandStruct->FMC_CommandMode)); + assert_param(IS_FMC_COMMAND_TARGET(FMC_SDRAMCommandStruct->FMC_CommandTarget)); + assert_param(IS_FMC_AUTOREFRESH_NUMBER(FMC_SDRAMCommandStruct->FMC_AutoRefreshNumber)); + assert_param(IS_FMC_MODE_REGISTER(FMC_SDRAMCommandStruct->FMC_ModeRegisterDefinition)); + + tmpr = (uint32_t)(FMC_SDRAMCommandStruct->FMC_CommandMode | + FMC_SDRAMCommandStruct->FMC_CommandTarget | + (((FMC_SDRAMCommandStruct->FMC_AutoRefreshNumber)-1)<<5) | + ((FMC_SDRAMCommandStruct->FMC_ModeRegisterDefinition)<<9)); + + FMC_Bank5_6->SDCMR = tmpr; + +} + + +/** + * @brief Returns the indicated FMC SDRAM bank mode status. + * @param SDRAM_Bank: Defines the FMC SDRAM bank. This parameter can be + * FMC_Bank1_SDRAM or FMC_Bank2_SDRAM. + * @retval The FMC SDRAM bank mode status + */ +uint32_t FMC_GetModeStatus(uint32_t SDRAM_Bank) +{ + uint32_t tmpreg = 0; + + /* Check the parameter */ + assert_param(IS_FMC_SDRAM_BANK(SDRAM_Bank)); + + /* Get the busy flag status */ + if(SDRAM_Bank == FMC_Bank1_SDRAM) + { + tmpreg = (uint32_t)(FMC_Bank5_6->SDSR & FMC_SDSR_MODES1); + } + else + { + tmpreg = ((uint32_t)(FMC_Bank5_6->SDSR & FMC_SDSR_MODES2) >> 2); + } + + /* Return the mode status */ + return tmpreg; +} + +/** + * @brief defines the SDRAM Memory Refresh rate. + * @param FMC_Count: specifies the Refresh timer count. + * @retval None + */ +void FMC_SetRefreshCount(uint32_t FMC_Count) +{ + /* check the parameters */ + assert_param(IS_FMC_REFRESH_COUNT(FMC_Count)); + + FMC_Bank5_6->SDRTR |= (FMC_Count<<1); + +} + +/** + * @brief Sets the Number of consecutive SDRAM Memory auto Refresh commands. + * @param FMC_Number: specifies the auto Refresh number. + * @retval None + */ +void FMC_SetAutoRefresh_Number(uint32_t FMC_Number) +{ + /* check the parameters */ + assert_param(IS_FMC_AUTOREFRESH_NUMBER(FMC_Number)); + + FMC_Bank5_6->SDCMR |= (FMC_Number << 5); +} + +/** + * @brief Enables or disables write protection to the specified FMC SDRAM Bank. + * @param SDRAM_Bank: Defines the FMC SDRAM bank. This parameter can be + * FMC_Bank1_SDRAM or FMC_Bank2_SDRAM. + * @param NewState: new state of the write protection flag. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FMC_SDRAMWriteProtectionConfig(uint32_t SDRAM_Bank, FunctionalState NewState) +{ + /* Check the parameter */ + assert_param(IS_FUNCTIONAL_STATE(NewState)); + assert_param(IS_FMC_SDRAM_BANK(SDRAM_Bank)); + + if (NewState != DISABLE) + { + FMC_Bank5_6->SDCR[SDRAM_Bank] |= FMC_Write_Protection_Enable; + } + else + { + FMC_Bank5_6->SDCR[SDRAM_Bank] &= SDCR_WriteProtection_RESET; + } + +} + +/** + * @} + */ + +/** @defgroup FMC_Group5 Interrupts and flags management functions + * @brief Interrupts and flags management functions + * +@verbatim + =============================================================================== + ##### Interrupts and flags management functions ##### + =============================================================================== + +@endverbatim + * @{ + */ + +/** + * @brief Enables or disables the specified FMC interrupts. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @param FMC_IT: specifies the FMC interrupt sources to be enabled or disabled. + * This parameter can be any combination of the following values: + * @arg FMC_IT_RisingEdge: Rising edge detection interrupt. + * @arg FMC_IT_Level: Level edge detection interrupt. + * @arg FMC_IT_FallingEdge: Falling edge detection interrupt. + * @arg FMC_IT_Refresh: Refresh error detection interrupt. + * @param NewState: new state of the specified FMC interrupts. + * This parameter can be: ENABLE or DISABLE. + * @retval None + */ +void FMC_ITConfig(uint32_t FMC_Bank, uint32_t FMC_IT, FunctionalState NewState) +{ + assert_param(IS_FMC_IT_BANK(FMC_Bank)); + assert_param(IS_FMC_IT(FMC_IT)); + assert_param(IS_FUNCTIONAL_STATE(NewState)); + + if (NewState != DISABLE) + { + /* Enable the selected FMC_Bank2 interrupts */ + if(FMC_Bank == FMC_Bank2_NAND) + { + FMC_Bank2->SR2 |= FMC_IT; + } + /* Enable the selected FMC_Bank3 interrupts */ + else if (FMC_Bank == FMC_Bank3_NAND) + { + FMC_Bank3->SR3 |= FMC_IT; + } + /* Enable the selected FMC_Bank4 interrupts */ + else if (FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 |= FMC_IT; + } + /* Enable the selected FMC_Bank5_6 interrupt */ + else + { + /* Enables the interrupt if the refresh error flag is set */ + FMC_Bank5_6->SDRTR |= FMC_IT; + } + } + else + { + /* Disable the selected FMC_Bank2 interrupts */ + if(FMC_Bank == FMC_Bank2_NAND) + { + + FMC_Bank2->SR2 &= (uint32_t)~FMC_IT; + } + /* Disable the selected FMC_Bank3 interrupts */ + else if (FMC_Bank == FMC_Bank3_NAND) + { + FMC_Bank3->SR3 &= (uint32_t)~FMC_IT; + } + /* Disable the selected FMC_Bank4 interrupts */ + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 &= (uint32_t)~FMC_IT; + } + /* Disable the selected FMC_Bank5_6 interrupt */ + else + { + /* Disables the interrupt if the refresh error flag is not set */ + FMC_Bank5_6->SDRTR &= (uint32_t)~FMC_IT; + } + } +} + +/** + * @brief Checks whether the specified FMC flag is set or not. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @arg FMC_Bank1_SDRAM | FMC_Bank2_SDRAM: FMC Bank1 or Bank2 SDRAM + * @param FMC_FLAG: specifies the flag to check. + * This parameter can be one of the following values: + * @arg FMC_FLAG_RisingEdge: Rising edge detection Flag. + * @arg FMC_FLAG_Level: Level detection Flag. + * @arg FMC_FLAG_FallingEdge: Falling edge detection Flag. + * @arg FMC_FLAG_FEMPT: Fifo empty Flag. + * @arg FMC_FLAG_Refresh: Refresh error Flag. + * @arg FMC_FLAG_Busy: Busy status Flag. + * @retval The new state of FMC_FLAG (SET or RESET). + */ +FlagStatus FMC_GetFlagStatus(uint32_t FMC_Bank, uint32_t FMC_FLAG) +{ + FlagStatus bitstatus = RESET; + uint32_t tmpsr = 0x00000000; + + /* Check the parameters */ + assert_param(IS_FMC_GETFLAG_BANK(FMC_Bank)); + assert_param(IS_FMC_GET_FLAG(FMC_FLAG)); + + if(FMC_Bank == FMC_Bank2_NAND) + { + tmpsr = FMC_Bank2->SR2; + } + else if(FMC_Bank == FMC_Bank3_NAND) + { + tmpsr = FMC_Bank3->SR3; + } + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + tmpsr = FMC_Bank4->SR4; + } + else + { + tmpsr = FMC_Bank5_6->SDSR; + } + + /* Get the flag status */ + if ((tmpsr & FMC_FLAG) != FMC_FLAG ) + { + bitstatus = RESET; + } + else + { + bitstatus = SET; + } + /* Return the flag status */ + return bitstatus; +} + +/** + * @brief Clears the FMC's pending flags. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @param FMC_FLAG: specifies the flag to clear. + * This parameter can be any combination of the following values: + * @arg FMC_FLAG_RisingEdge: Rising edge detection Flag. + * @arg FMC_FLAG_Level: Level detection Flag. + * @arg FMC_FLAG_FallingEdge: Falling edge detection Flag. + * @arg FMC_FLAG_Refresh: Refresh error Flag. + * @retval None + */ +void FMC_ClearFlag(uint32_t FMC_Bank, uint32_t FMC_FLAG) +{ + /* Check the parameters */ + assert_param(IS_FMC_GETFLAG_BANK(FMC_Bank)); + assert_param(IS_FMC_CLEAR_FLAG(FMC_FLAG)) ; + + if(FMC_Bank == FMC_Bank2_NAND) + { + FMC_Bank2->SR2 &= (~FMC_FLAG); + } + else if(FMC_Bank == FMC_Bank3_NAND) + { + FMC_Bank3->SR3 &= (~FMC_FLAG); + } + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 &= (~FMC_FLAG); + } + /* FMC_Bank5_6 SDRAM*/ + else + { + FMC_Bank5_6->SDRTR &= (~FMC_FLAG); + } + +} + +/** + * @brief Checks whether the specified FMC interrupt has occurred or not. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @param FMC_IT: specifies the FMC interrupt source to check. + * This parameter can be one of the following values: + * @arg FMC_IT_RisingEdge: Rising edge detection interrupt. + * @arg FMC_IT_Level: Level edge detection interrupt. + * @arg FMC_IT_FallingEdge: Falling edge detection interrupt. + * @arg FMC_IT_Refresh: Refresh error detection interrupt. + * @retval The new state of FMC_IT (SET or RESET). + */ +ITStatus FMC_GetITStatus(uint32_t FMC_Bank, uint32_t FMC_IT) +{ + ITStatus bitstatus = RESET; + uint32_t tmpsr = 0x0; + uint32_t tmpsr2 = 0x0; + uint32_t itstatus = 0x0; + uint32_t itenable = 0x0; + + /* Check the parameters */ + assert_param(IS_FMC_IT_BANK(FMC_Bank)); + assert_param(IS_FMC_GET_IT(FMC_IT)); + + if(FMC_Bank == FMC_Bank2_NAND) + { + tmpsr = FMC_Bank2->SR2; + } + else if(FMC_Bank == FMC_Bank3_NAND) + { + tmpsr = FMC_Bank3->SR3; + } + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + tmpsr = FMC_Bank4->SR4; + } + /* FMC_Bank5_6 SDRAM*/ + else + { + tmpsr = FMC_Bank5_6->SDRTR; + tmpsr2 = FMC_Bank5_6->SDSR; + } + + /* get the IT enable bit status*/ + itenable = tmpsr & FMC_IT; + + /* get the corresponding IT Flag status*/ + if((FMC_Bank == FMC_Bank1_SDRAM) || (FMC_Bank == FMC_Bank2_SDRAM)) + { + itstatus = tmpsr2 & FMC_SDSR_RE; + } + else + { + itstatus = tmpsr & (FMC_IT >> 3); + } + + if ((itstatus != (uint32_t)RESET) && (itenable != (uint32_t)RESET)) + { + bitstatus = SET; + } + else + { + bitstatus = RESET; + } + return bitstatus; +} + +/** + * @brief Clears the FMC's interrupt pending bits. + * @param FMC_Bank: specifies the FMC Bank to be used + * This parameter can be one of the following values: + * @arg FMC_Bank2_NAND: FMC Bank2 NAND + * @arg FMC_Bank3_NAND: FMC Bank3 NAND + * @arg FMC_Bank4_PCCARD: FMC Bank4 PCCARD + * @arg FMC_Bank1_SDRAM: FMC Bank1 SDRAM + * @arg FMC_Bank2_SDRAM: FMC Bank2 SDRAM + * @param FMC_IT: specifies the interrupt pending bit to clear. + * This parameter can be any combination of the following values: + * @arg FMC_IT_RisingEdge: Rising edge detection interrupt. + * @arg FMC_IT_Level: Level edge detection interrupt. + * @arg FMC_IT_FallingEdge: Falling edge detection interrupt. + * @arg FMC_IT_Refresh: Refresh error detection interrupt. + * @retval None + */ +void FMC_ClearITPendingBit(uint32_t FMC_Bank, uint32_t FMC_IT) +{ + /* Check the parameters */ + assert_param(IS_FMC_IT_BANK(FMC_Bank)); + assert_param(IS_FMC_IT(FMC_IT)); + + if(FMC_Bank == FMC_Bank2_NAND) + { + FMC_Bank2->SR2 &= ~(FMC_IT >> 3); + } + else if(FMC_Bank == FMC_Bank3_NAND) + { + FMC_Bank3->SR3 &= ~(FMC_IT >> 3); + } + else if(FMC_Bank == FMC_Bank4_PCCARD) + { + FMC_Bank4->SR4 &= ~(FMC_IT >> 3); + } + /* FMC_Bank5_6 SDRAM*/ + else + { + FMC_Bank5_6->SDRTR |= FMC_SDRTR_CRE; + } +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/boards/base/STM32F429i-Discovery/stm32f4xx_fmc.h b/boards/base/STM32F429i-Discovery/chibios/stm32f4xx_fmc.h similarity index 100% rename from boards/base/STM32F429i-Discovery/stm32f4xx_fmc.h rename to boards/base/STM32F429i-Discovery/chibios/stm32f4xx_fmc.h