Merged Tectu/ugfx into master

remotes/origin_old/ugfx_release_2.6
ambihelical 2014-12-15 13:47:12 -08:00
commit 1707fbb85c
6 changed files with 214 additions and 75 deletions

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@ -16,60 +16,65 @@
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
// Pin & SPI setup
// The command byte to put on the front of each page line
#define SSD1306_PAGE_PREFIX 0x40 // Co = 0, D/C = 1
#define SPI_DRIVER (&SPID2)
#define SPI_PORT GPIOB
#define SCK_PAD 13
#define MISO_PAD 14
#define MOSI_PAD 15
// For a multiple display configuration we would put all this in a structure and then
// set g->board to that structure.
#define SSD1306_RESET_PORT GPIOB
#define SSD1306_RESET_PIN 5
#define SSD1306_MISO_PORT GPIOB
#define SSD1306_MISO_PIN 8
#define SSD1306_MOSI_PORT GPIOB
#define SSD1306_MOSI_PIN 7
#define SSD1306_SCK_PORT GPIOB
#define SSD1306_SCK_PIN 6
#define SSD1306_CS_PORT GPIOB
#define SSD1306_CS_PIN 5
#define SET_RST palSetPad(SSD1306_RESET_PORT, SSD1306_RESET_PIN);
#define CLR_RST palClearPad(SSD1306_RESET_PORT, SSD1306_RESET_PIN);
#define CS_PORT GPIOC
#define RESET_PORT GPIOC
#define DNC_PORT GPIOC
#define CS_PAD 7 // 0 = chip selected
#define RESET_PAD 8 // 0 = reset
#define DNC_PAD 9 // control=0, data=1
/*
* SPI1 configuration structure.
* Speed 42MHz, CPHA=0, CPOL=0, 8bits frames, MSb transmitted first.
* The slave select line is the pin 4 on the port GPIOA.
*/
static const SPIConfig spi1config = {
0,
/* HW dependent part.*/
SSD1306_MISO_PORT,
SSD1306_MISO_PIN,
0
//SPI_CR1_BR_0
};
static SPIConfig spi_cfg = { NULL, CS_PORT, CS_PAD, 0 };
#if GFX_USE_OS_CHIBIOS
static int32_t thdPriority = 0;
#endif
static inline void init_board(GDisplay *g) {
(void) g;
g->board = 0;
// Maximum speed of SSD1306 is 10Mhz, so set SPI speed less or = to that.
//
// STM32 specific setup
// STM32_PCLK1 is APB1 frequence in hertz.
// STM32_PCLK2 is APB2 frequence in hertz.
// See manual clock diagram to determine APB1 or APB2 for spi in use.
// SPI2 uses APB1 clock on stm32151
// BR bits divide PCLK as follows
// 000 /2 = 16 MHz
// 001 /4 = 8 MHz
// 010 /8 = 4 MHz
// 011 /16 = 2 MHz
// 100 /32 = 1 MHz
// 101 /64 = 500 kHz
// 110 /128 = 250 kHz
// 111 /256 = 125 kHz
unsigned long spi_clk = STM32_PCLK1 / 2;
unsigned code = 0;
while (spi_clk > 10000000) {
code++;
spi_clk /= 2;
}
spi_cfg.cr1 |= (code << 3);
if (g->controllerdisplay == 0) {
palSetPadMode(SPI_PORT, SCK_PAD, PAL_MODE_ALTERNATE(5)|PAL_STM32_OTYPE_PUSHPULL|PAL_STM32_OSPEED_MID2);
palSetPadMode(SPI_PORT, MOSI_PAD, PAL_MODE_ALTERNATE(5)|PAL_STM32_OTYPE_PUSHPULL|PAL_STM32_OSPEED_MID2);
palSetPadMode(SPI_PORT, MISO_PAD, PAL_MODE_ALTERNATE(5));
palSetPadMode(RESET_PORT, RESET_PAD, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(CS_PORT, CS_PAD, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(DNC_PORT, DNC_PAD, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(CS_PORT, CS_PAD);
palSetPad(RESET_PORT, RESET_PAD);
palClearPad(DNC_PORT, DNC_PAD);
unsigned i;
// As we are not using multiple displays we set g->board to NULL as we don't use it.
g->board = 0;
switch(g->controllerdisplay) {
case 0: // Set up for Display 0
// RESET pin.
palSetPadMode(SSD1306_RESET_PORT, SSD1306_RESET_PIN, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(SSD1306_MISO_PORT, SSD1306_MISO_PIN, PAL_MODE_ALTERNATE(1)|
PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(SSD1306_MOSI_PORT, SSD1306_MOSI_PIN, PAL_MODE_ALTERNATE(1)|
PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(SSD1306_SCK_PORT, SSD1306_SCK_PIN, PAL_MODE_ALTERNATE(1)|
PAL_STM32_OSPEED_HIGHEST);
palSetPad(SSD1306_CS_PORT, SSD1306_CS_PIN);
palSetPadMode(SSD1306_CS_PORT, SSD1306_CS_PIN, PAL_MODE_ALTERNATE(1)|
PAL_STM32_OSPEED_HIGHEST);
spiInit();
break;
}
}
@ -77,39 +82,55 @@ static inline void post_init_board(GDisplay *g) {
(void) g;
}
static inline void setpin_reset(GDisplay *g, bool_t state) {
(void) g;
palWritePad(RESET_PORT, RESET_PAD, !state);
if(state)
CLR_RST
else
SET_RST
}
static inline void acquire_bus(GDisplay *g) {
(void) g;
spiAcquireBus(SPI_DRIVER);
spiStart(SPI_DRIVER, &spi_cfg);
spiSelect(SPI_DRIVER);
#if GFX_USE_OS_CHIBIOS
thdPriority = (int32_t)chThdGetPriority();
chThdSetPriority(HIGHPRIO);
#endif
spiAcquireBus(&SPID1);
}
static inline void release_bus(GDisplay *g) {
(void) g;
spiUnselect(SPI_DRIVER);
spiStop(SPI_DRIVER);
spiReleaseBus(SPI_DRIVER);
#if GFX_USE_OS_CHIBIOS
chThdSetPriority(thdPriority);
#endif
spiReleaseBus(&SPID1);
}
static inline void write_cmd(GDisplay *g, uint8_t cmd) {
(void) g;
static uint8_t buf;
palClearPad(DNC_PORT, DNC_PAD);
buf = cmd;
spiSend(SPI_DRIVER, 1, &buf);
uint8_t command[2];
(void) g;
command[0] = 0x00; // Co = 0, D/C = 0
command[1] = cmd;
spiStart(&SPID1, &spi1config);
spiSelect(&SPID1);
spiStartSend(&SPID1, 2, command);
spiUnselect(&SPID1);
spiStop(&SPID1);
}
static inline void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
(void) g;
palSetPad(DNC_PORT, DNC_PAD);
spiSend(SPI_DRIVER, length, data);
spiStart(&SPID1, &spi1config);
spiSelect(&SPID1);
spiStartSend(&SPID1, length, data);
spiUnselect(&SPID1);
spiStop(&SPID1);
}
#endif /* _GDISP_LLD_BOARD_H */

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@ -0,0 +1,115 @@
/*
* 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
*/
/**
* @file boards/addons/gdisp/board_SSD1306_spi.h
* @brief GDISP Graphic Driver subsystem board interface for the SSD1306 display.
*
* @note This file contains a mix of hardware specific and operating system specific
* code. You will need to change it for your CPU and/or operating system.
*/
#ifndef _GDISP_LLD_BOARD_H
#define _GDISP_LLD_BOARD_H
// Pin & SPI setup
#define SPI_DRIVER (&SPID2)
#define SPI_PORT GPIOB
#define SCK_PAD 13
#define MISO_PAD 14
#define MOSI_PAD 15
#define CS_PORT GPIOC
#define RESET_PORT GPIOC
#define DNC_PORT GPIOC
#define CS_PAD 7 // 0 = chip selected
#define RESET_PAD 8 // 0 = reset
#define DNC_PAD 9 // control=0, data=1
static SPIConfig spi_cfg = { NULL, CS_PORT, CS_PAD, 0 };
static inline void init_board(GDisplay *g) {
(void) g;
g->board = 0;
// Maximum speed of SSD1306 is 10Mhz, so set SPI speed less or = to that.
//
// STM32 specific setup
// STM32_PCLK1 is APB1 frequence in hertz.
// STM32_PCLK2 is APB2 frequence in hertz.
// See manual clock diagram to determine APB1 or APB2 for spi in use.
// SPI2 uses APB1 clock on stm32151
// BR bits divide PCLK as follows
// 000 /2 = 16 MHz
// 001 /4 = 8 MHz
// 010 /8 = 4 MHz
// 011 /16 = 2 MHz
// 100 /32 = 1 MHz
// 101 /64 = 500 kHz
// 110 /128 = 250 kHz
// 111 /256 = 125 kHz
unsigned long spi_clk = STM32_PCLK1 / 2;
unsigned code = 0;
while (spi_clk > 10000000) {
code++;
spi_clk /= 2;
}
spi_cfg.cr1 |= (code << 3);
if (g->controllerdisplay == 0) {
palSetPadMode(SPI_PORT, SCK_PAD, PAL_MODE_ALTERNATE(5)|PAL_STM32_OTYPE_PUSHPULL|PAL_STM32_OSPEED_MID2);
palSetPadMode(SPI_PORT, MOSI_PAD, PAL_MODE_ALTERNATE(5)|PAL_STM32_OTYPE_PUSHPULL|PAL_STM32_OSPEED_MID2);
palSetPadMode(SPI_PORT, MISO_PAD, PAL_MODE_ALTERNATE(5));
palSetPadMode(RESET_PORT, RESET_PAD, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(CS_PORT, CS_PAD, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(DNC_PORT, DNC_PAD, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(CS_PORT, CS_PAD);
palSetPad(RESET_PORT, RESET_PAD);
palClearPad(DNC_PORT, DNC_PAD);
}
}
static inline void post_init_board(GDisplay *g) {
(void) g;
}
static inline void setpin_reset(GDisplay *g, bool_t state) {
(void) g;
palWritePad(RESET_PORT, RESET_PAD, !state);
}
static inline void acquire_bus(GDisplay *g) {
(void) g;
spiAcquireBus(SPI_DRIVER);
spiStart(SPI_DRIVER, &spi_cfg);
spiSelect(SPI_DRIVER);
}
static inline void release_bus(GDisplay *g) {
(void) g;
spiUnselect(SPI_DRIVER);
spiStop(SPI_DRIVER);
spiReleaseBus(SPI_DRIVER);
}
static inline void write_cmd(GDisplay *g, uint8_t cmd) {
(void) g;
static uint8_t buf;
palClearPad(DNC_PORT, DNC_PAD);
buf = cmd;
spiSend(SPI_DRIVER, 1, &buf);
}
static inline void write_data(GDisplay *g, uint8_t* data, uint16_t length) {
(void) g;
palSetPad(DNC_PORT, DNC_PAD);
spiSend(SPI_DRIVER, length, data);
}
#endif /* _GDISP_LLD_BOARD_H */

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@ -29,8 +29,8 @@
* the PWM frequency should be somewhere between 200 Hz to 200 kHz.
*/
static const PWMConfig pwmcfg = {
1000000, /* 1 MHz PWM clock frequency. */
100, /* PWM period is 100 cycles. */
20000, /* 20 KHz PWM clock frequency. */
100, /* PWM period is 100 cycles. */
0,
{
{PWM_OUTPUT_ACTIVE_HIGH, 0},
@ -75,8 +75,11 @@ static inline void init_board(GDisplay *g) {
palSetBusMode(&busE, PAL_MODE_ALTERNATE(12));
/* FSMC timing register configuration */
FSMC_Bank1->BTCR[0 + 1] = (FSMC_BTR1_ADDSET_2 | FSMC_BTR1_ADDSET_1) \
| (FSMC_BTR1_DATAST_2 | FSMC_BTR1_DATAST_1) \
// FSMC_Bank1->BTCR[0 + 1] = (FSMC_BTR1_ADDSET_2 | FSMC_BTR1_ADDSET_1) \
// | (FSMC_BTR1_DATAST_2 | FSMC_BTR1_DATAST_1) \
// | FSMC_BTR1_BUSTURN_0;
FSMC_Bank1->BTCR[0 + 1] = (FSMC_BTR1_ADDSET_3 | FSMC_BTR1_ADDSET_0) \
| (FSMC_BTR1_DATAST_3 | FSMC_BTR1_DATAST_0) \
| FSMC_BTR1_BUSTURN_0;
/* Bank1 NOR/PSRAM control register configuration

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@ -39,7 +39,7 @@
static const I2CConfig i2ccfg = {
OPMODE_I2C,
400000,
200000, // Conservative please
FAST_DUTY_CYCLE_2,
};

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@ -152,7 +152,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) {
gfxSleepMicroseconds(5);
// Configure pixel color format and MCU interface parameters.
write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6830); // ENTRY_MODE_DEFAULT
write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6838); // ENTRY_MODE_DEFAULT
gfxSleepMicroseconds(5);
// Set analog parameters.
@ -267,7 +267,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) {
#if GDISP_HARDWARE_FILLS && defined(GDISP_USE_DMA)
LLDSPEC void gdisp_lld_fill_area(GDisplay* g) {
uint16_t c;
LLDCOLOR_TYPE c;
c = gdispColor2Native(g->p.color);
acquire_bus(g);
@ -285,7 +285,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) {
LLDSPEC void gdisp_lld_blit_area(GDisplay* g) {
pixel_t* buffer;
coord_t ynct;
coord_t ycnt;
buffer = (pixel_t*)g->p.ptr + g->p.x1 + g->p.y1 * g->p.x2;
@ -355,8 +355,8 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay* g) {
switch((orientation_t)g->p.ptr) {
case GDISP_ROTATE_0:
acquire_bus(g);
/* ID = 11 AM = 0 */
write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6830);
/* ID = 11 AM = 1 */
write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6838);
release_bus(g);
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Width = GDISP_SCREEN_WIDTH;

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@ -29,7 +29,7 @@
*/
#if CH_KERNEL_MAJOR == 3
typedef bool bool_t;
typedef char bool_t;
#endif
typedef systime_t delaytime_t;