added SSD1963 example files
This commit is contained in:
Joel Bodenmann
parent
118f87afb1
commit
e3eaad114f
177
drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h
Normal file
177
drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h
Normal file
@ -0,0 +1,177 @@
|
|||||||
|
/*
|
||||||
|
* 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://chibios-gfx.com/license.html
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @file drivers/gdisp/SSD1963/gdisp_lld_board_example_fsmc.h
|
||||||
|
* @brief GDISP Graphic Driver subsystem board interface for the SSD1963 display.
|
||||||
|
*
|
||||||
|
* @details This file demonstrates how to interface an SSD1963 based display to an
|
||||||
|
* STM32 microcontroller using ChibiOS/RT.
|
||||||
|
*
|
||||||
|
* @addtogroup GDISP
|
||||||
|
* @{
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _GDISP_LLD_BOARD_H
|
||||||
|
#define _GDISP_LLD_BOARD_H
|
||||||
|
|
||||||
|
/* Using FSMC A16 as RS */
|
||||||
|
#define GDISP_REG (*((volatile uint16_t *) 0x60000000)) /* RS = 0 */
|
||||||
|
#define GDISP_RAM (*((volatile uint16_t *) 0x60020000)) /* RS = 1 */
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Send data to the index register.
|
||||||
|
*
|
||||||
|
* @param[in] index The index register to set
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void write_index(uint16_t index) {
|
||||||
|
GDISP_REG = index;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Send data to the lcd.
|
||||||
|
*
|
||||||
|
* @param[in] data The data to send
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void write_data(uint16_t data) {
|
||||||
|
GDISP_RAM = data;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Initialise the board for the display.
|
||||||
|
* @notes Performs the following functions:
|
||||||
|
* 1. initialise the io port used by your display
|
||||||
|
* 2. initialise the reset pin (initial state not-in-reset)
|
||||||
|
* 3. initialise the chip select pin (initial state not-active)
|
||||||
|
* 4. initialise the backlight pin (initial state back-light off)
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void init_board(void) {
|
||||||
|
const unsigned char FSMC_Bank = 0;
|
||||||
|
|
||||||
|
#if defined(STM32F1XX) || defined(STM32F3XX)
|
||||||
|
/* FSMC setup for F1/F3 */
|
||||||
|
rccEnableAHB(RCC_AHBENR_FSMCEN, 0);
|
||||||
|
|
||||||
|
#if defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
|
||||||
|
#error "DMA not implemented for F1/F3 Devices"
|
||||||
|
#endif
|
||||||
|
#elif defined(STM32F4XX) || defined(STM32F2XX)
|
||||||
|
/* STM32F2-F4 FSMC init */
|
||||||
|
rccEnableAHB3(RCC_AHB3ENR_FSMCEN, 0);
|
||||||
|
|
||||||
|
#if defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
|
||||||
|
if (dmaStreamAllocate(GDISP_DMA_STREAM, 0, NULL, NULL)) gfxExit();
|
||||||
|
dmaStreamSetMemory0(GDISP_DMA_STREAM, &GDISP_RAM);
|
||||||
|
dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);
|
||||||
|
#endif
|
||||||
|
#else
|
||||||
|
#error "FSMC not implemented for this device"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
< /* set pins to FSMC mode */
|
||||||
|
IOBus busD = {GPIOD, (1 << 0) | (1 << 1) | (1 << 4) | (1 << 5) | (1 << 7) | (1 << 8) |
|
||||||
|
(1 << 9) | (1 << 10) | (1 << 11) | (1 << 14) | (1 << 15), 0};
|
||||||
|
|
||||||
|
IOBus busE = {GPIOE, (1 << 7) | (1 << 8) | (1 << 9) | (1 << 10) | (1 << 11) | (1 << 12) |
|
||||||
|
(1 << 13) | (1 << 14) | (1 << 15), 0};
|
||||||
|
|
||||||
|
palSetBusMode(&busD, PAL_MODE_ALTERNATE(12));
|
||||||
|
palSetBusMode(&busE, PAL_MODE_ALTERNATE(12));
|
||||||
|
|
||||||
|
/* FSMC timing */
|
||||||
|
FSMC_Bank1->BTCR[FSMC_Bank+1] = (FSMC_BTR1_ADDSET_1 | FSMC_BTR1_ADDSET_3) \
|
||||||
|
| (FSMC_BTR1_DATAST_1 | FSMC_BTR1_DATAST_3) \
|
||||||
|
| (FSMC_BTR1_BUSTURN_1 | FSMC_BTR1_BUSTURN_3) ;
|
||||||
|
|
||||||
|
/* Bank1 NOR/SRAM control register configuration
|
||||||
|
* This is actually not needed as already set by default after reset */
|
||||||
|
FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline void post_init_board(void) {
|
||||||
|
const unsigned char FSMC_Bank = 0;
|
||||||
|
/* FSMC delay reduced as the controller now runs at full speed */
|
||||||
|
FSMC_Bank1->BTCR[FSMC_Bank+1] = FSMC_BTR1_ADDSET_0 | FSMC_BTR1_DATAST_2 | FSMC_BTR1_BUSTURN_0 ;
|
||||||
|
FSMC_Bank1->BTCR[FSMC_Bank] = FSMC_BCR1_MWID_0 | FSMC_BCR1_WREN | FSMC_BCR1_MBKEN;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Set or clear the lcd reset pin.
|
||||||
|
*
|
||||||
|
* @param[in] state TRUE = lcd in reset, FALSE = normal operation
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void setpin_reset(bool_t state) {
|
||||||
|
(void) state;
|
||||||
|
/* Nothing to do here */
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Set the lcd back-light level.
|
||||||
|
*
|
||||||
|
* @param[in] percent 0 to 100%
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void set_backlight(uint8_t percent) {
|
||||||
|
//duty_cycle is 00..FF
|
||||||
|
//Work in progress: the SSD1963 has a built-in PWM, its output can
|
||||||
|
//be used by a Dynamic Background Control or by a host (user)
|
||||||
|
//Check your LCD's hardware, the PWM connection is default left open and instead
|
||||||
|
//connected to a LED connection on the breakout board
|
||||||
|
write_index(SSD1963_SET_PWM_CONF);//set PWM for BackLight
|
||||||
|
write_data(0x0001);
|
||||||
|
write_data(percent & 0x00FF);
|
||||||
|
write_data(0x0001);//controlled by host (not DBC), enabled
|
||||||
|
write_data(0x00FF);
|
||||||
|
write_data(0x0060);//don't let it go too dark, avoid a useless LCD
|
||||||
|
write_data(0x000F);//prescaler ???
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Take exclusive control of the bus
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void acquire_bus(void) {
|
||||||
|
/* Nothing to do here */
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Release exclusive control of the bus
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void release_bus(void) {
|
||||||
|
/* Nothing to do here */
|
||||||
|
}
|
||||||
|
|
||||||
|
#if GDISP_HARDWARE_READPIXEL || GDISP_HARDWARE_SCROLL || defined(__DOXYGEN__)
|
||||||
|
/**
|
||||||
|
* @brief Read data from the lcd.
|
||||||
|
*
|
||||||
|
* @return The data from the lcd
|
||||||
|
* @note The chip select may need to be asserted/de-asserted
|
||||||
|
* around the actual spi read
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline uint16_t read_data(void) {
|
||||||
|
return GDISP_RAM;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* _GDISP_LLD_BOARD_H */
|
||||||
|
/** @} */
|
||||||
|
|
||||||
191
drivers/gdisp/SSD1963/gdisp_lld_board_example_gpio.h
Normal file
191
drivers/gdisp/SSD1963/gdisp_lld_board_example_gpio.h
Normal file
@ -0,0 +1,191 @@
|
|||||||
|
/*
|
||||||
|
* 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://chibios-gfx.com/license.html
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @file drivers/gdisp/SSD1963/gdisp_lld_board_example_gpio.h
|
||||||
|
* @brief GDISP Graphic Driver subsystem board interface for the SSD1963 display.
|
||||||
|
*
|
||||||
|
* @brief This file demonstrates how to interface an SSD1963 based display using
|
||||||
|
* a GPIO interface of an STM32 out of ChibiOS/RT.
|
||||||
|
*
|
||||||
|
* @addtogroup GDISP
|
||||||
|
* @{
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _GDISP_LLD_BOARD_H
|
||||||
|
#define _GDISP_LLD_BOARD_H
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief The GPIO pin config
|
||||||
|
*
|
||||||
|
* @details This block of defines tell your driver how you wired your display
|
||||||
|
* controller to your MCU. Please change them accordingly.
|
||||||
|
*/
|
||||||
|
#define GDISP_CMD_PORT GPIOC
|
||||||
|
#define GDISP_DATA_PORT GPIOD
|
||||||
|
#define GDISP_CS 0
|
||||||
|
#define GDISP_RS 1
|
||||||
|
#define GDISP_WR 2
|
||||||
|
#define GDISP_RD 3
|
||||||
|
|
||||||
|
#define Set_CS palSetPad(GDISP_CMD_PORT, GDISP_CS);
|
||||||
|
#define Clr_CS palClearPad(GDISP_CMD_PORT, GDISP_CS);
|
||||||
|
#define Set_RS palSetPad(GDISP_CMD_PORT, GDISP_RS);
|
||||||
|
#define Clr_RS palClearPad(GDISP_CMD_PORT, GDISP_RS);
|
||||||
|
#define Set_WR palSetPad(GDISP_CMD_PORT, GDISP_WR);
|
||||||
|
#define Clr_WR palClearPad(GDISP_CMD_PORT, GDISP_WR);
|
||||||
|
#define Set_RD palSetPad(GDISP_CMD_PORT, GDISP_RD);
|
||||||
|
#define Clr_RD palClearPad(GDISP_CMD_PORT, GDISP_RD);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Send data to the index register.
|
||||||
|
*
|
||||||
|
* @param[in] index The index register to set
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void write_index(uint16_t index) {
|
||||||
|
Set_CS; Set_RS; Set_WR; Clr_RD;
|
||||||
|
|
||||||
|
palWritePort(GDISP_DATA_PORT, index);
|
||||||
|
|
||||||
|
Clr_CS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Send data to the lcd.
|
||||||
|
*
|
||||||
|
* @param[in] data The data to send
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void write_data(uint16_t data) {
|
||||||
|
Set_CS; Clr_RS; Set_WR; Clr_RD;
|
||||||
|
|
||||||
|
palWritePort(GDISP_DATA_PORT, data);
|
||||||
|
|
||||||
|
Clr_CS;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Initialise the board for the display.
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void init_board(void) {
|
||||||
|
IOBus busCMD = {GDISP_CMD_PORT, (1 << GDISP_CS) | (1 << GDISP_RS) | (1 << GDISP_WR) | (1 << GDISP_RD), 0};
|
||||||
|
IOBus busDATA = {GDISP_CMD_PORT, 0xFFFFF, 0};
|
||||||
|
palSetBusMode(&busCMD, PAL_MODE_OUTPUT_PUSHPULL);
|
||||||
|
palSetBusMode(&busDATA, PAL_MODE_OUTPUT_PUSHPULL);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline void post_init_board(void) {
|
||||||
|
/* Nothing to do here */
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Set or clear the lcd reset pin.
|
||||||
|
*
|
||||||
|
* @param[in] state TRUE = lcd in reset, FALSE = normal operation
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void setpin_reset(bool_t state) {
|
||||||
|
/* optional */
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Set the lcd back-light level.
|
||||||
|
*
|
||||||
|
* @param[in] percent 0 to 100%
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void set_backlight(uint8_t percent) {
|
||||||
|
//duty_cycle is 00..FF
|
||||||
|
//Work in progress: the SSD1963 has a built-in PWM, its output can
|
||||||
|
//be used by a Dynamic Background Control or by a host (user)
|
||||||
|
//Check your LCD's hardware, the PWM connection is default left open and instead
|
||||||
|
//connected to a LED connection on the breakout board
|
||||||
|
write_index(SSD1963_SET_PWM_CONF);//set PWM for BackLight
|
||||||
|
write_data(0x0001);
|
||||||
|
write_data(percent & 0x00FF);
|
||||||
|
write_data(0x0001);//controlled by host (not DBC), enabled
|
||||||
|
write_data(0x00FF);
|
||||||
|
write_data(0x0060);//don't let it go too dark, avoid a useless LCD
|
||||||
|
write_data(0x000F);//prescaler ???
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Take exclusive control of the bus
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void acquire_bus(void) {
|
||||||
|
/* Nothing to do here */
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Release exclusive control of the bus
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline void release_bus(void) {
|
||||||
|
/* Nothing to do here */
|
||||||
|
}
|
||||||
|
|
||||||
|
__inline void write_stream(uint16_t *buffer, uint16_t size) {
|
||||||
|
uint16_t i;
|
||||||
|
|
||||||
|
Set_CS; Clr_RS; Set_WR; Clr_RD;
|
||||||
|
|
||||||
|
for (i = 0; i < size; i++) {
|
||||||
|
Set_WR;
|
||||||
|
palWritePort(GDISP_DATA_PORT, buffer[i]);
|
||||||
|
Clr_WR;
|
||||||
|
}
|
||||||
|
|
||||||
|
Clr_CS;
|
||||||
|
}
|
||||||
|
|
||||||
|
__inline void read_stream(uint16_t *buffer, size_t size) {
|
||||||
|
uint16_t i;
|
||||||
|
|
||||||
|
Set_CS; Clr_RS; Clr_WR; Set_RD;
|
||||||
|
|
||||||
|
for (i = 0; i < size; i++) {
|
||||||
|
Set_RD;
|
||||||
|
buffer[i] = palReadPort(GDISP_DATA_PORT);
|
||||||
|
Clr_RD;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#if GDISP_HARDWARE_READPIXEL || GDISP_HARDWARE_SCROLL || defined(__DOXYGEN__)
|
||||||
|
/**
|
||||||
|
* @brief Read data from the lcd.
|
||||||
|
*
|
||||||
|
* @return The data from the lcd
|
||||||
|
* @note The chip select may need to be asserted/de-asserted
|
||||||
|
* around the actual spi read
|
||||||
|
*
|
||||||
|
* @notapi
|
||||||
|
*/
|
||||||
|
static inline uint16_t read_data(void) {
|
||||||
|
uint16_t data;
|
||||||
|
|
||||||
|
Set_CS; Clr_RS; Clr_WR; Set_RD;
|
||||||
|
|
||||||
|
data = palReadPort(GDISP_DATA_PORT);
|
||||||
|
|
||||||
|
Clr_CS;
|
||||||
|
|
||||||
|
return data;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* _GDISP_LLD_BOARD_H */
|
||||||
|
/** @} */
|
||||||
Loading…
Reference in New Issue
Block a user