uint32_t lcd_setbias(uint32_t o)
{
uint32_t param, w, h;
#define MEM_Y (7) //MY row address order
#define MEM_X (6) //MX column address order
#define MEM_V (5) //MV row / column exchange
#define MEM_L (4) //ML vertical refresh order
#define MEM_H (2) //MH horizontal refresh order
#define MEM_BGR (3) //RGB-BGR Order
switch(o)
{
default:
case 0:
//case 36:
//case 360:
w = LCD_WIDTH;
h = LCD_HEIGHT;
param = (1<<MEM_BGR) | (1<<MEM_X) | (1<<MEM_Y);
break;
case 9:
case 90:
w = LCD_HEIGHT;
h = LCD_WIDTH;
param = (1<<MEM_BGR) | (1<<MEM_X) | (1<<MEM_V);
break;
case 18:
case 180:
w = LCD_WIDTH;
h = LCD_HEIGHT;
param = (1<<MEM_BGR) | (1<<MEM_L);
break;
case 27:
case 270:
case 14: //270&0xFF
w = LCD_HEIGHT;
h = LCD_WIDTH;
param = (1<<MEM_BGR) | (1<<MEM_Y) | (1<<MEM_V);
break;
}
lcd_enable();
lcd_wrcmd8(LCD_CMD_MEMACCESS_CTRL);
lcd_wrdata8(param);
lcd_setarea(0, 0, w-1, h-1);
lcd_disable();
return (w<<16) | (h<<0);
}
void lcd_reset(void)
{
uint32_t c, i, j;
uint8_t initdata[] =
{
//0x40| 1, LCD_CMD_RESET,
//0xC0|60,
//0xC0|60,
0x40| 1, LCD_CMD_DISPLAY_OFF,
0xC0|20,
0x40| 1, LCD_CMD_POWER_CTRLB,
0x80| 3, 0x00, 0x83, 0x30, //0x83 0x81 0xAA
0x40| 1, LCD_CMD_POWERON_SEQ_CTRL,
0x80| 4, 0x64, 0x03, 0x12, 0x81, //0x64 0x67
0x40| 1, LCD_CMD_DRV_TIMING_CTRLA,
0x80| 3, 0x85, 0x01, 0x79, //0x79 0x78
0x40| 1, LCD_CMD_POWER_CTRLA,
0x80| 5, 0x39, 0X2C, 0x00, 0x34, 0x02,
0x40| 1, LCD_CMD_PUMP_RATIO_CTRL,
0x80| 1, 0x20,
0x40| 1, LCD_CMD_DRV_TIMING_CTRLB,
0x80| 2, 0x00, 0x00,
0x40| 1, LCD_CMD_POWER_CTRL1,
0x80| 1, 0x26, //0x26 0x25
0x40| 1, LCD_CMD_POWER_CTRL2,
0x80| 1, 0x11,
0x40| 1, LCD_CMD_VCOM_CTRL1,
0x80| 2, 0x35, 0x3E,
0x40| 1, LCD_CMD_VCOM_CTRL2,
0x80| 1, 0xBE, //0xBE 0x94
0x40| 1, LCD_CMD_FRAME_CTRL,
0x80| 2, 0x00, 0x1B, //0x1B 0x70
0x40| 1, LCD_CMD_ENABLE_3G,
0x80| 1, 0x08, //0x08 0x00
0x40| 1, LCD_CMD_GAMMA,
0x80| 1, 0x01, //G2.2
0x40| 1, LCD_CMD_POS_GAMMA,
0x80|15, 0x1F, 0x1A, 0x18, 0x0A, 0x0F, 0x06, 0x45, 0x87, 0x32, 0x0A, 0x07, 0x02, 0x07, 0x05, 0x00,
//0x80|15, 0x0F, 0x1A, 0x18, 0x0A, 0x0F, 0x06, 0x45, 0x87, 0x32, 0x0A, 0x07, 0x02, 0x07, 0x05, 0x00,
0x40| 1, LCD_CMD_NEG_GAMMA,
0x80|15, 0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3A, 0x78, 0x4D, 0x05, 0x18, 0x0D, 0x38, 0x3A, 0x1F,
//0x80|15, 0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3A, 0x78, 0x4D, 0x05, 0x18, 0x0D, 0x38, 0x3A, 0x0F,
0x40| 1, LCD_CMD_DISPLAY_CTRL,
0x80| 4, 0x0A, 0x82, 0x27, 0x00,
0x40| 1, LCD_CMD_ENTRY_MODE,
0x80| 1, 0x07,
0x40| 1, LCD_CMD_PIXEL_FORMAT,
0x80| 1, 0x55, //16bit
0x40| 1, LCD_CMD_MEMACCESS_CTRL,
0x80| 1, (1<<MEM_BGR) | (1<<MEM_X) | (1<<MEM_Y),
0x40| 1, LCD_CMD_COLUMN,
0x80| 2, 0x00, 0x00,
0x80| 2, ((LCD_HEIGHT-1)>>8)&0xFF, (LCD_HEIGHT-1)&0xFF,
0x40| 1, LCD_CMD_PAGE,
0x80| 2, 0x00, 0x00,
0x80| 2, ((LCD_WIDTH-1)>>8)&0xFF, (LCD_WIDTH-1)&0xFF,
0x40| 1, LCD_CMD_SLEEPOUT,
0xC0|60,
0xC0|60,
0x40| 1, LCD_CMD_DISPLAY_ON,
0xC0|20,
};
//init pins
INIT_PINS();
//hardware reset
GPIO_CLRPIN(LCD_PORT, RST_PIN);
delay_ms(20);
GPIO_SETPIN(LCD_PORT, RST_PIN);
delay_ms(120);
lcd_enable();
//send init commands and data
for(i=0; i<sizeof(initdata);)
{
c = initdata[i++];
switch(c&0xC0)
{
case 0x40: //command
for(j=c&0x3F; j!=0; j--)
{
c = initdata[i++];
lcd_wrcmd8(c);
}
break;
case 0x80: //data
for(j=c&0x3F; j!=0; j--)
{
c = initdata[i++];
lcd_wrdata8(c);
}
break;
case 0xC0: //delay
delay_ms(c&0x3F);
break;
}
}
//clear display buffer
lcd_drawstart();
for(i=(LCD_WIDTH*LCD_HEIGHT); i!=0; i--)
{
lcd_draw(0);
}
lcd_drawstop();
lcd_disable();
return;
}
void lcd_init()
{
const uint8_t MEM_BGR = 3;
const uint8_t MEM_X = 6;
const uint8_t MEM_Y = 7;
uint8_t init_sequence[] = {
VCMD_COMMAND | 1, LCD_CMD_RESET,
VCMD_SLEEP |20,
VCMD_COMMAND | 1, LCD_CMD_DISPLAY_OFF,
VCMD_SLEEP |20,
VCMD_COMMAND | 1, LCD_CMD_POWER_CTRLB,
VCMD_DATA | 3, 0x00, 0x83, 0x30, //0x83 0x81 0xAA
VCMD_COMMAND | 1, LCD_CMD_POWERON_SEQ_CTRL,
VCMD_DATA | 4, 0x64, 0x03, 0x12, 0x81, //0x64 0x67
VCMD_COMMAND | 1, LCD_CMD_DRV_TIMING_CTRLA,
VCMD_DATA | 3, 0x85, 0x01, 0x79, //0x79 0x78
VCMD_COMMAND | 1, LCD_CMD_POWER_CTRLA,
VCMD_DATA | 5, 0x39, 0X2C, 0x00, 0x34, 0x02,
VCMD_COMMAND | 1, LCD_CMD_PUMP_RATIO_CTRL,
VCMD_DATA | 1, 0x20,
VCMD_COMMAND | 1, LCD_CMD_DRV_TIMING_CTRLB,
VCMD_DATA | 2, 0x00, 0x00,
VCMD_COMMAND | 1, LCD_CMD_POWER_CTRL1,
VCMD_DATA | 1, 0x26, //0x26 0x25
VCMD_COMMAND | 1, LCD_CMD_POWER_CTRL2,
VCMD_DATA | 1, 0x11,
VCMD_COMMAND | 1, LCD_CMD_VCOM_CTRL1,
VCMD_DATA | 2, 0x35, 0x3E,
VCMD_COMMAND | 1, LCD_CMD_VCOM_CTRL2,
VCMD_DATA | 1, 0xBE, //0xBE 0x94
VCMD_COMMAND | 1, LCD_CMD_FRAME_CTRL,
VCMD_DATA | 2, 0x00, 0x1B, //0x1B 0x70
VCMD_COMMAND | 1, LCD_CMD_ENABLE_3G,
VCMD_DATA | 1, 0x08, //0x08 0x00
VCMD_COMMAND | 1, LCD_CMD_GAMMA,
VCMD_DATA | 1, 0x01, //G2.2
VCMD_COMMAND | 1, LCD_CMD_POS_GAMMA,
VCMD_DATA |15, 0x1F, 0x1A, 0x18, 0x0A, 0x0F, 0x06, 0x45, 0x87, 0x32, 0x0A, 0x07, 0x02, 0x07, 0x05, 0x00,
VCMD_COMMAND | 1, LCD_CMD_NEG_GAMMA,
VCMD_DATA |15, 0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3A, 0x78, 0x4D, 0x05, 0x18, 0x0D, 0x38, 0x3A, 0x1F,
VCMD_COMMAND | 1, LCD_CMD_DISPLAY_CTRL,
VCMD_DATA | 4, 0x0A, 0x82, 0x27, 0x00,
VCMD_COMMAND | 1, LCD_CMD_ENTRY_MODE,
VCMD_DATA | 1, 0x07,
VCMD_COMMAND | 1, LCD_CMD_PIXEL_FORMAT,
VCMD_DATA | 1, 0x55, //16bit
VCMD_COMMAND | 1, LCD_CMD_MEMACCESS_CTRL,
VCMD_DATA | 1, (1<<MEM_BGR) | (1<<MEM_X) | (1<<MEM_Y),
VCMD_COMMAND | 1, LCD_CMD_COLUMN,
VCMD_DATA | 2, 0x00, 0x00,
VCMD_DATA | 2, ((LCD_HEIGHT-1)>>8)&0xFF, (LCD_HEIGHT-1)&0xFF,
VCMD_COMMAND | 1, LCD_CMD_PAGE,
VCMD_DATA | 2, 0x00, 0x00,
VCMD_DATA | 2, ((LCD_WIDTH-1)>>8)&0xFF, (LCD_WIDTH-1)&0xFF,
VCMD_COMMAND | 1, LCD_CMD_SLEEPOUT,
VCMD_SLEEP |60,
VCMD_SLEEP |60,
VCMD_COMMAND | 1, LCD_CMD_DISPLAY_ON,
VCMD_SLEEP |20,
};
DISABLE_IRQ();
// initialize pins
IOCON_PIO2_0 &= ~IOCON_PIO2_0_FUNC_MASK;
IOCON_PIO2_1 &= ~IOCON_PIO2_1_FUNC_MASK;
IOCON_PIO2_2 &= ~IOCON_PIO2_2_FUNC_MASK;
IOCON_PIO2_3 &= ~IOCON_PIO2_3_FUNC_MASK;
IOCON_PIO2_4 &= ~IOCON_PIO2_4_FUNC_MASK;
IOCON_PIO2_5 &= ~IOCON_PIO2_5_FUNC_MASK;
IOCON_PIO2_6 &= ~IOCON_PIO2_6_FUNC_MASK;
IOCON_PIO2_7 &= ~IOCON_PIO2_7_FUNC_MASK;
IOCON_PIO2_8 &= ~IOCON_PIO2_8_FUNC_MASK;
IOCON_PIO2_9 &= ~IOCON_PIO2_9_FUNC_MASK;
IOCON_PIO2_10 &= ~IOCON_PIO2_10_FUNC_MASK;
IOCON_PIO2_11 &= ~IOCON_PIO2_11_FUNC_MASK;
IOCON_PIO3_5 &= ~IOCON_PIO3_5_FUNC_MASK;
// set all 12 pins to output mode
GPIO_GPIO2DIR |= 0xFFF;
// set all pins high
LCD_GPIO |= 0xFFF;
// set pin 5 of gpio 3 to output mode
GPIO_GPIO3DIR |= LCD_RD_MASK;
GPIO_GPIO3DATA |= LCD_RD_MASK;
ENABLE_IRQ();
// trigger hard-reset
LCD_MASKED_GPIO(LCD_RST_MASK, 0);
delay_ms(20);
LCD_MASKED_GPIO(LCD_RST_MASK, LCD_RST_MASK);
delay_ms(120);
lcd_enable();
delay_ms(1);
for (unsigned int i = 0; i < sizeof(init_sequence);) {
uint8_t instruction = init_sequence[i++];
switch (instruction & 0xC0) {
case VCMD_COMMAND:
{
//~ printf("cmd 0x%02x", instruction & 0x3f);
for (int j = (instruction & 0x3f); j > 0; j--) {
uint8_t data = init_sequence[i++];
//~ printf(" 0x%02x", data);
lcd_wrcmd8(data);
}
//~ printf("\n");
break;
}
case VCMD_DATA:
{
//~ printf("data 0x%02x\n", instruction & 0x3f);
for (int j = (instruction & 0x3f); j > 0; j--) {
uint8_t data = init_sequence[i++];
//~ printf(" 0x%02x", data);
lcd_wrdata8(data);
}
//~ printf("\n");
break;
}
case VCMD_SLEEP:
{
//~ printf("sleep %d\n", instruction & 0x3f);
delay_ms(instruction & 0x3f);
break;
}
default:
// cannot happen :)
continue;
};
}
lcd_drawstart();
for (int i = (LCD_WIDTH*LCD_HEIGHT/8); i > 0; i--) {
lcd_draw(0);
lcd_draw(0);
lcd_draw(0);
lcd_draw(0);
lcd_draw(0);
lcd_draw(0);
lcd_draw(0);
lcd_draw(0);
}
lcd_drawstop();
lcd_disable();
}
