void lcd_init()
{
GPIO_TypeDef *gpiod = GPIOD ;
LCD_BL_Config();
LCD_Hardware_Init();
#ifdef REVPLUS
initLcdSpi() ;
#endif
gpiod->BSRRL = PIN_LCD_RST ; // RST high
Delay(5);
gpiod->BSRRH = PIN_LCD_RST ; // RST low
Delay(120); //11ms
gpiod->BSRRL = PIN_LCD_RST ; // RST high
Delay(2500);
AspiCmd(0xE2); // System Reset
Delay(2500);
LCD_Init();
Delay(120);
AspiCmd(0xAF); //dc2=1, IC into exit SLEEP MODE, dc3=1 gray=ON, dc4=1 Green Enhanc mode disabled
}
void lcd_set_row(int y)
{
AspiCmd(0); //Set Column Address LSB CA[3:0]
AspiCmd(0x10); //Set Column Address MSB CA[7:4]
AspiCmd((y&0x0F)|0x60); //Set Row Address LSB RA [3:0]
AspiCmd(((y>>4)&0x0F)|0x70); //Set Row Address MSB RA [7:4]
}
void Set_Address(uint8_t x, uint8_t y)
{
AspiCmd(x&0x0F); //Set Column Address LSB CA[3:0]
AspiCmd((x>>4)|0x10); //Set Column Address MSB CA[7:4]
AspiCmd((y&0x0F)|0x60); //Set Row Address LSB RA [3:0]
AspiCmd(((y>>4)&0x0F)|0x70); //Set Row Address MSB RA [7:4]
}
void LCD_Init()
{
rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPDEN);
//MOSI
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT,
GPIO_PUPD_NONE, GPIO10);
//CLK
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT,
GPIO_PUPD_NONE, GPIO11);
//RST
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT,
GPIO_PUPD_NONE, GPIO12);
//A0
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT,
GPIO_PUPD_NONE, GPIO13);
//CS
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT,
GPIO_PUPD_NONE, GPIO14);
NCS_HI();
RST_HI();
lcd_delay(5);
RST_LO();
lcd_delay(120); //11ms
RST_HI();
lcd_delay(2500);
AspiCmd(0xE2);
lcd_delay(2500);
lcd_screen_init();
lcd_delay(120);
lcd_screen_init();
lcd_delay(120);
AspiCmd(0xAF); //dc2=1, IC into exit SLEEP MODE, dc3=1 gray=ON, dc4=1 Green Enhanc mode disabled
memset(img, 0, sizeof(img));
memset(dirty, 0, sizeof(dirty));
//Clear screen
for (int y = 0; y < LCD_HEIGHT; y++) {
lcd_set_row(y);
AspiCmd(0xAF);
CLK_HI();
A0_HI();
NCS_LO();
for (int x = 0; x < 212; x++) {
//write_pixel(((x/53) % 2) ^ ((y / 16) %2));
write_pixel(0);
}
NCS_HI();
A0_HI();
AspiData(0);
}
}
void lcdRefresh()
{
for (uint32_t y=0; y<LCD_H; y++) {
uint8_t *p = &displayBuf[(y>>3)*LCD_W];
uint8_t mask = (1 << (y%8));
Set_Address(0, y);
AspiCmd(0xAF);
LCD_CLK_HIGH();
LCD_A0_HIGH();
LCD_NCS_LOW();
for (uint32_t x=0; x<LCD_W; x++) {
LCD_WRITE_BIT(p[3*DISPLAY_PLAN_SIZE+x] & mask);
LCD_WRITE_BIT(p[2*DISPLAY_PLAN_SIZE+x] & mask);
LCD_WRITE_BIT(p[DISPLAY_PLAN_SIZE+x] & mask);
LCD_WRITE_BIT(p[x] & mask);
}
LCD_NCS_HIGH();
LCD_A0_HIGH();
WriteData(0);
}
}
void lcdInit()
{
LCD_BL_Config();
LCD_Hardware_Init();
LCD_RST_HIGH();
Delay(5);
LCD_RST_LOW();
Delay(120); //11ms
LCD_RST_HIGH();
Delay(2500);
AspiCmd(0xE2);
Delay(2500);
LCD_Init();
Delay(120);
LCD_Init();
Delay(120);
AspiCmd(0xAF); //dc2=1, IC into exit SLEEP MODE, dc3=1 gray=ON, dc4=1 Green Enhanc mode disabled
}
/* Screen is 212 x 64 with 4bpp */
void LCD_DrawStop(void)
{
for (int y = 0; y < LCD_HEIGHT; y++) {
if(! (dirty[y / 8] & (1 << (y % 8))))
continue;
u8 *p = &img[(y / 8) * LCD_WIDTH];
u8 mask = 1 << (y % 8);
lcd_set_row(y);
AspiCmd(0xAF);
CLK_HI();
A0_HI();
NCS_LO();
for (int x = 0; x < LCD_WIDTH; x++) {
write_pixel(p[x] & mask);
}
NCS_HI();
A0_HI();
AspiData(0);
}
memset(dirty, 0, sizeof(dirty));
}
void lcd_screen_init()
{
AspiCmd(0x2b); //Panel loading set ,Internal VLCD.
AspiCmd(0x25); //Temperature compensation curve definition: 0x25 = -0.05%/oC
AspiCmd(0xEA); //set bias=1/10 :Command table NO.27
AspiCmd(0x81); //Set Vop
AspiCmd(0x80); //Set contrast 0--255
AspiCmd(0xA6); //inverse display off
AspiCmd(0xD1); //SET RGB:Command table NO.21 .SET RGB or BGR. D1=RGB
AspiCmd(0xD5); //set color mode 4K and 12bits :Command table NO.22
AspiCmd(0xA0); //line rates,25.2 Klps
AspiCmd(0xC8); //SET N-LINE INVERSION
AspiCmd(0x1D); //Disable NIV
AspiCmd(0xF1); //Set CEN
AspiCmd(0x3F); // 1/64DUTY
AspiCmd(0x84); //Disable Partial Display
AspiCmd(0xC4); //MY=1,MX=0
AspiCmd(0x89); //WA=1,column (CA) increment (+1) first until CA reaches CA boundary, then RA will increment by (+1).
AspiCmd(0xF8); //Set Window Program Enable ,inside modle
AspiCmd(0xF4); //starting column address of RAM program window.
AspiCmd(0x00);
AspiCmd(0xF5); //starting row address of RAM program window.
AspiCmd(0x60);
AspiCmd(0xF6); //ending column address of RAM program window.
AspiCmd(0x47);
AspiCmd(0xF7); //ending row address of RAM program window.
AspiCmd(0x9F);
}
void LCD_Contrast(u8 contrast)
{
AspiCmd(0x81); //Set Vop
contrast *= 25 + 5;
AspiCmd(contrast);
}
void lcdSetRefVolt(uint8_t val)
{
AspiCmd(0x81); //Set Vop
AspiCmd(val+CONTRAST_OFS); //0--255
}
static void LCD_Init()
{
LCD_BL_Config() ;
/*Hardware Reset need delay*/
/*LCD_RST_LOW();
Delay(50);
LCD_RST_HIGH();*/
AspiCmd(0x25); //Temperature compensation curve definition: 0x25 = -0.05%/oC
AspiCmd(0x2b); //Panel loading set ,Internal VLCD.
AspiCmd(0xEA); //set bias=1/10 :Command table NO.27
AspiCmd(0x81); //Set Vop
AspiCmd(25+CONTRAST_OFS); //0--255
AspiCmd(0xA6); //inverse display off
AspiCmd(0xD1); //SET RGB:Command table NO.21 .SET RGB or BGR. D1=RGB
AspiCmd(0xD5); //set color mode 4K and 12bits :Command table NO.22
AspiCmd(0xA0); //line rates,25.2 Klps
AspiCmd(0xC8); //SET N-LINE INVERSION
AspiCmd(0x1D); //Disable NIV
AspiCmd(0xF1); //Set CEN
AspiCmd(0x3F); // 1/64DUTY
AspiCmd(0x84); //Disable Partial Display
AspiCmd(0xC4); //MY=1,MX=0
AspiCmd(0x89); //WA=1,column (CA) increment (+1) first until CA reaches CA boundary, then RA will increment by (+1).
AspiCmd(0xF8); //Set Window Program Enable ,inside modle
AspiCmd(0xF4); //starting column address of RAM program window.
AspiCmd(0x00);
AspiCmd(0xF5); //starting row address of RAM program window.
AspiCmd(0x60);
AspiCmd(0xF6); //ending column address of RAM program window.
AspiCmd(0x47);
AspiCmd(0xF7); //ending row address of RAM program window.
AspiCmd(0x9F);
AspiCmd(0xAF); //dc2=1,IC into exit SLEEP MODE, dc3=1 gray=ON 开灰阶 ,dc4=1 Green Enhanc mode disabled 绿色增强模式关
}
static void LCD_Init()
{
// LCD_BL_Config() ;
/*Hardware Reset need delay*/
/*LCD_RST_LOW();
Delay(50);
LCD_RST_HIGH();*/
// From LCD Manufacturer
// WriteCommand(0x2F); //Internal pump control
// Delay(20);
// WriteCommand(0x24); //Temperature compensation
// WriteCommand(0xE9); //set bias=1/10
// WriteCommand(0x81); //Set Vop
// WriteCommand(0xBF); //13.9v//(g_eeGeneral.contrast+CONTRAST_OFS); //0--255
// WriteCommand(0xA2); //set line rate:28KLPS
// WriteCommand(0x28); //set pannel loading
// WriteCommand(0x40); //scroll line LSB
// WriteCommand(0x50); //SCROLL LINE MSB
// WriteCommand(0x89); //ram address control
// WriteCommand(0xc0); //LCD mapping control
// WriteCommand(0x04); //MX=0,MY=1
// WriteCommand(0xd0); //DISPLAY PATTERN = 16-SCALE GRAY
// WriteCommand(0xF1); //SET COM end
// WriteCommand(0x3F); //64
// WriteCommand(0xF8); //Set Window Program dIsable.
// WriteCommand(0xF5); //starting row address of RAM program window.PAGE1
// WriteCommand(0x00);
// WriteCommand(0xF7); //end row address of RAM program window.PAGE32
// WriteCommand(0x1f);
// WriteCommand(0xF4); //start column address of RAM program window.
// WriteCommand(0x00);
// WriteCommand(0xF6); //end column address of RAM program window.SEG212
// WriteCommand(0xd3);
AspiCmd(0x24); //(5) Temperature compensation curve definition: 0x25 = -0.05%/oC
AspiCmd(0x2b); //(6) Panel loading set ,Internal VLCD.
AspiCmd(0xEA); //(27) set bias=1/10
AspiCmd(0x81); //(11) Set Vop + next byte
AspiCmd(25+CONTRAST_OFS); //0--255
AspiCmd(0xA6); //inverse display off
AspiCmd(0xA2); //line rates,28 Klps
AspiCmd(0x84); //Disable Partial Display
AspiCmd(0xC8); //SET N-LINE INVERSION
AspiCmd(0x00); //Disable NIV
AspiCmd(0xF1); //Set CEN
AspiCmd(0x3F); // 1/64DUTY
AspiCmd(0xC0); //(21) Set mapping
AspiCmd(0x04); // MY=1, MX=0, MSF=0
AspiCmd(0x89); //(15) WA=1,column (CA) increment (+1) first until CA reaches CA boundary, then RA will increment by (+1).
AspiCmd(0xF8); //Set Window Program Enable ,inside modle
AspiCmd(0xD0); //(23) SET 4 bits/pixel, pattern 0
AspiCmd(0xF4); //starting column address of RAM program window.
AspiCmd(0x00);
AspiCmd(0xF5); //starting row address of RAM program window.
AspiCmd(0x00);
AspiCmd(0xF6); //ending column address of RAM program window.
AspiCmd(0xD3);
AspiCmd(0xF7); //ending row address of RAM program window.
AspiCmd(0x3F);
AspiCmd(0xAF); // Active and 16-grey scale
// AspiCmd(0x28); //set panel loading
// AspiCmd(0x40); //scroll line LSB
// AspiCmd(0x50); //SCROLL LINE MSB
}
void refreshDisplay()
{
for (uint32_t y=0; y<DISPLAY_H; y++)
{
uint8_t *p = &DisplayBuf[(y>>3)*DISPLAY_W];
uint8_t mask = (1 << (y%8));
GPIO_TypeDef *gpiod = GPIOD ;
uint32_t *bsrr = (uint32_t *)&gpiod->BSRRL ;
Set_Address(0, y);
AspiCmd(0xAF);
gpiod->BSRRL = PIN_LCD_CLK ; // Clock high
gpiod->BSRRL = PIN_LCD_A0 ; // A0 high
gpiod->BSRRH = PIN_LCD_NCS ; // CS low
for (uint32_t x=0; x<DISPLAY_W; x+=2)
{
uint32_t data ;
data = 0 ;
if ( p[x] & mask )
{
data = 0xF0 ;
}
if (p[x+1] & mask )
{
data += 0x0F ;
}
if(data&0x80)
{
gpiod->BSRRL = PIN_LCD_MOSI ;
}
else
{
gpiod->BSRRH = PIN_LCD_MOSI ;
}
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
if(data&0x40)
{
gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
}
else
{
*bsrr = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
}
__no_operation() ;
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
if(data&0x20)
{
gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
}
else
{
*bsrr = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
}
__no_operation() ;
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
if(data&0x10)
{
gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
}
else
{
*bsrr = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
}
__no_operation() ;
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
if(data&0x08)
{
gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
}
else
{
*bsrr = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
}
__no_operation() ;
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
if(data&0x04)
{
gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
}
else
{
*bsrr = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
}
__no_operation() ;
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
if(data&0x02)
{
gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
}
else
{
*bsrr = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
}
__no_operation() ;
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
if(data&0x01)
{
gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
}
else
{
*bsrr = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
}
__no_operation() ;
gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
__no_operation() ;
gpiod->BSRRL = PIN_LCD_CLK ; // Clock high
}
gpiod->BSRRL = PIN_LCD_NCS ; // CS high
gpiod->BSRRL = PIN_LCD_A0 ;
AspiData(0);
}
}
void LCD_OFF()
{
AspiCmd(0xE2);
Delay(20);
}
