Updates to Mikromedia-Plus-STM32-M4 board and the SSD1963 driver
This commit is contained in:
inmarket
parent
8f779effe1
commit
a436128e50
@ -79,8 +79,7 @@ void __early_init(void) {
|
||||
bool sdc_lld_is_card_inserted(SDCDriver *sdcp) {
|
||||
|
||||
(void)sdcp;
|
||||
/* TODO: Fill the implementation.*/
|
||||
return true;
|
||||
return !palReadPad(GPIOD, GPIOD_SD_CD);
|
||||
}
|
||||
|
||||
/**
|
||||
|
||||
@ -8,8 +8,6 @@
|
||||
#ifndef _GDISP_LLD_BOARD_H
|
||||
#define _GDISP_LLD_BOARD_H
|
||||
|
||||
//#define SSD1963_INIT_METHOD_2 TRUE
|
||||
|
||||
static const LCD_Parameters DisplayTimings[] = {
|
||||
// You need one of these array elements per display
|
||||
{
|
||||
@ -45,7 +43,7 @@ static const LCD_Parameters DisplayTimings[] = {
|
||||
#define SET_DC palSetPad(GDISP_CMD_PORT, GDISP_DC);
|
||||
#define CLR_DC palClearPad(GDISP_CMD_PORT, GDISP_DC);
|
||||
|
||||
#define writeStrobe { CLR_WR; asm volatile ("nop;"); SET_WR; }
|
||||
#define writeStrobe { CLR_WR; /*asm volatile ("nop;");*/ SET_WR; }
|
||||
|
||||
IOBus busCMD = { GDISP_CMD_PORT, (1 << GDISP_CS) | (1 << GDISP_RST) | (1 << GDISP_WR) | (1 << GDISP_RD) | (1 << GDISP_DC), 11 };
|
||||
IOBus busDataLo = { GDISP_DATA_LO_PORT, 0xFF, 0 };
|
||||
@ -53,82 +51,80 @@ IOBus busDataHi = { GDISP_DATA_HI_PORT, 0xFF, 8 };
|
||||
|
||||
|
||||
static inline void init_board(GDisplay *g) {
|
||||
g->board = 0;
|
||||
switch(g->controllerdisplay) {
|
||||
case 0:
|
||||
{
|
||||
palSetBusMode(&busCMD, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetBusMode(&busDataLo, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetBusMode(&busDataHi, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
SET_CS; SET_WR; SET_RD; SET_DC; SET_RST;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
g->board = 0;
|
||||
switch(g->controllerdisplay) {
|
||||
case 0:
|
||||
palSetBusMode(&busCMD, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetBusMode(&busDataLo, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetBusMode(&busDataHi, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
SET_CS; SET_WR; SET_RD; SET_DC; SET_RST;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static inline void post_init_board(GDisplay *g) {
|
||||
(void) g;
|
||||
(void) g;
|
||||
}
|
||||
|
||||
static inline void setpin_reset(GDisplay *g, bool_t state) {
|
||||
(void) g;
|
||||
if (state) {
|
||||
CLR_RST;
|
||||
} else {
|
||||
SET_RST;
|
||||
}
|
||||
(void) g;
|
||||
if (state) {
|
||||
CLR_RST;
|
||||
} else {
|
||||
SET_RST;
|
||||
}
|
||||
}
|
||||
|
||||
static inline void acquire_bus(GDisplay *g) {
|
||||
(void) g;
|
||||
CLR_CS;
|
||||
(void) g;
|
||||
CLR_CS;
|
||||
}
|
||||
|
||||
static inline void release_bus(GDisplay *g) {
|
||||
(void) g;
|
||||
SET_CS;
|
||||
(void) g;
|
||||
SET_CS;
|
||||
}
|
||||
|
||||
static inline void write_index(GDisplay *g, uint16_t index) {
|
||||
(void) g;
|
||||
(void) g;
|
||||
|
||||
CLR_DC;
|
||||
palWriteBus(&busDataLo, (index & 0xFF));
|
||||
palWriteBus(&busDataHi, (index >> 8));
|
||||
writeStrobe;
|
||||
SET_DC;
|
||||
CLR_DC;
|
||||
palWriteBus(&busDataLo, (index & 0xFF));
|
||||
palWriteBus(&busDataHi, (index >> 8));
|
||||
writeStrobe;
|
||||
SET_DC;
|
||||
}
|
||||
|
||||
static inline void write_data(GDisplay *g, uint16_t data) {
|
||||
(void) g;
|
||||
(void) g;
|
||||
|
||||
palWriteBus(&busDataLo, (data & 0xFF));
|
||||
palWriteBus(&busDataHi, (data >> 8));
|
||||
writeStrobe;
|
||||
palWriteBus(&busDataLo, (data & 0xFF));
|
||||
palWriteBus(&busDataHi, (data >> 8));
|
||||
writeStrobe;
|
||||
}
|
||||
|
||||
static inline void setreadmode(GDisplay *g) {
|
||||
(void) g;
|
||||
palSetBusMode(&busDataLo, PAL_MODE_INPUT_PULLUP);
|
||||
palSetBusMode(&busDataHi, PAL_MODE_INPUT_PULLUP);
|
||||
(void) g;
|
||||
palSetBusMode(&busDataLo, PAL_MODE_INPUT_PULLUP);
|
||||
palSetBusMode(&busDataHi, PAL_MODE_INPUT_PULLUP);
|
||||
}
|
||||
|
||||
static inline void setwritemode(GDisplay *g) {
|
||||
(void) g;
|
||||
palSetBusMode(&busDataLo, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetBusMode(&busDataHi, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
(void) g;
|
||||
palSetBusMode(&busDataLo, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
palSetBusMode(&busDataHi, PAL_MODE_OUTPUT_PUSHPULL);
|
||||
}
|
||||
|
||||
static inline uint16_t read_data(GDisplay *g) {
|
||||
(void) g;
|
||||
uint16_t data;
|
||||
(void) g;
|
||||
|
||||
uint16_t data;
|
||||
CLR_RD;
|
||||
data = (palReadBus(&busDataHi) << 8) | palReadBus(&busDataLo);
|
||||
SET_RD;
|
||||
return data;
|
||||
CLR_RD;
|
||||
data = (palReadBus(&busDataHi) << 8) | palReadBus(&busDataLo);
|
||||
SET_RD;
|
||||
return data;
|
||||
}
|
||||
|
||||
#endif /* _GDISP_LLD_BOARD_H */
|
||||
|
||||
@ -128,29 +128,18 @@ static inline void set_backlight(GDisplay *g, uint8_t percent) {
|
||||
// connected to a LED connection on the breakout board
|
||||
|
||||
write_index(g, SSD1963_SET_PWM_CONF); //set PWM for BackLight
|
||||
#if SSD1963_INIT_METHOD_2
|
||||
write_data(g, 0x05);
|
||||
write_data(g, 0x06);
|
||||
// write_data(g, 0x0E); // PWMF[7:0] = 2, PWM base freq = PLL/(256*(1+5))/256 = 300Hz for a PLL freq = 120MHz (source: Displaytech)
|
||||
write_data(g, 0xFF); // Dummy data (not needed DBC is in control)
|
||||
#else
|
||||
write_data(g, 0x01);
|
||||
// write_data(g, 0x0E); // PWMF[7:0] = 2, PWM base freq = PLL/(256*(1+5))/256 = 300Hz for a PLL freq = 120MHz (source: Displaytech)
|
||||
#endif
|
||||
if (percent == 0xFF) // use percent==0xFF to turn off SSD1963 pwm in power SLEEP or DEEP SLEEP mode
|
||||
write_data(g, 0x00);
|
||||
else if (percent >= 100)
|
||||
write_data(g, 0x00FF); // Fully on for any percentage >= 100
|
||||
write_data(g, 0xFF); // Fully on for any percentage >= 100
|
||||
else
|
||||
write_data(g, (percent*255)/100 & 0x00FF);
|
||||
#if SSD1963_INIT_METHOD_2
|
||||
write_data(g, 0x00); // DBC minimum brightness
|
||||
write_data(g, 0x00); // Brightness prescaler - active when Transition Effect enable A5 = 1
|
||||
#else
|
||||
write_data(g, 0x01); // Controlled by host (not DBC), enabled
|
||||
write_data(g, 0xFF); // DBC manual brightness (not used - zero would work)
|
||||
write_data(g, 0x60); // DBC minimum brightness (not used - zero would work)
|
||||
write_data(g, 0x0F); // Brightness prescaler - active when Transition Effect enable A5 = 1
|
||||
#endif
|
||||
write_data(g, 0x00); // DBC minimum brightness
|
||||
write_data(g, 0x01); // Brightness prescaler - active when Transition Effect enable A5 = 1
|
||||
}
|
||||
|
||||
/*===========================================================================*/
|
||||
@ -177,7 +166,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
||||
#if !GDISP_SSD1963_NO_INIT
|
||||
// Hardware reset
|
||||
setpin_reset(g, TRUE);
|
||||
gfxSleepMilliseconds(100);
|
||||
gfxSleepMilliseconds(200);
|
||||
setpin_reset(g, FALSE);
|
||||
gfxSleepMilliseconds(200);
|
||||
#endif
|
||||
@ -195,11 +184,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
||||
write_index(g, SSD1963_SET_PLL_MN);
|
||||
write_data(g, 35); // PLLclk = REFclk (10Mhz) * 36 (360Mhz)
|
||||
write_data(g, 2); // SYSclk = PLLclk / 3 (120MHz)
|
||||
//#if SSD1963_INIT_METHOD_2
|
||||
write_data(g, 54); // Apply calculation bit, else it is ignored
|
||||
//#else
|
||||
// write_data(g, 4); // Apply calculation bit, else it is ignored
|
||||
//#endif
|
||||
write_reg(g, SSD1963_SET_PLL, 0x01); // Enable PLL
|
||||
gfxSleepMilliseconds(100);
|
||||
write_reg(g, SSD1963_SET_PLL, 0x03); // Use PLL
|
||||
@ -220,6 +205,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
||||
write_reg(g, SSD1963_SET_ADDRESS_MODE, 2); // Flip horizontal direction
|
||||
|
||||
write_reg(g, SSD1963_SET_PIXEL_DATA_INTERFACE, SSD1963_PDI_16BIT565);
|
||||
write_reg(g, SSD1963_SET_PIXEL_FORMAT, 0x50);
|
||||
|
||||
#if !GDISP_SSD1963_NO_INIT
|
||||
/* LCD Clock specs */
|
||||
@ -231,7 +217,7 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
||||
write_index(g, SSD1963_SET_HORI_PERIOD);
|
||||
write_data16(g, lcdp->hperiod);
|
||||
write_data16(g, lcdp->hpulse + lcdp->hbporch);
|
||||
write_data(g, lcdp->hpulse);
|
||||
write_data(g, lcdp->hpulse - 1);
|
||||
write_data(g, 0x00);
|
||||
write_data(g, 0x00);
|
||||
write_data(g, 0x00);
|
||||
@ -239,17 +225,21 @@ LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
|
||||
write_index(g, SSD1963_SET_VERT_PERIOD);
|
||||
write_data16(g, lcdp->vperiod);
|
||||
write_data16(g, lcdp->vpulse + lcdp->vbporch);
|
||||
write_data(g, lcdp->vpulse);
|
||||
write_data(g, lcdp->vpulse - 1);
|
||||
write_data(g, 0x00);
|
||||
write_data(g, 0x00);
|
||||
|
||||
/* Enable DBC to control Backlight */
|
||||
write_index(g, SSD1963_SET_DBC_CONF);
|
||||
write_data(g, 0x2F);
|
||||
#if 0
|
||||
/* Enable DBC to control Backlight */
|
||||
write_index(g, SSD1963_SET_DBC_CONF);
|
||||
write_data(g, 0x2F);
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Tear effect indicator ON. This is used to tell the host MCU when the driver is not refreshing the panel (during front/back porch) */
|
||||
//write_reg(g, SSD1963_SET_TEAR_ON, 0x00);
|
||||
#if 0
|
||||
/* Tear effect indicator ON. This is used to tell the host MCU when the driver is not refreshing the panel (during front/back porch) */
|
||||
write_reg(g, SSD1963_SET_TEAR_ON, 0x00);
|
||||
#endif
|
||||
|
||||
/* Turn on */
|
||||
write_index(g, SSD1963_SET_DISPLAY_ON);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user