/** Initialise the LCD
*
* Sets up the pins required to communicate with the LCD screen and then does
* the actual chipset initialisation. The pin numbers to use are defined in
* @ref hardware.h.
*/
void lcdInit() {
LCD_SCK_SET_OUTPUT();
LCD_MOSI_SET_OUTPUT();
LCD_CD_SET_OUTPUT();
LCD_SCK_LOW();
LCD_MOSI_LOW();
LCD_CD_LOW();
#if defined(LCD_USE_PROGRAM_RESET)
LCD_RESET_SET_OUTPUT();
LCD_RESET_LOW();
// Do a hard reset on the LCD
waitReset();
//PORTB |= (1 << LCD_RESET);
LCD_RESET_HIGH();
#endif
// Initialise the LCD
lcdCommand(0x21); // LCD Extended Commands.
lcdCommand(0x80|LCD_CONTRAST_VALUE); // Set LCD Vop (Contrast).
lcdCommand(0x04); // Set Temp coefficent.
lcdCommand(0x14); // LCD bias mode 1:48.
lcdCommand(0x20); // LCD Normal commands
lcdCommand(0x08 | 0x04); // Normal display, horizontal addressing
}
/**
* @brief Power on the LCD.
* @param None
* @retval None
*/
void st7789v_Init(void)
{
/* Initialize st7789v low level bus layer ----------------------------------*/
LCD_IO_Init();
HAL_GPIO_WritePin(GPIOA,GPIO_PIN_10,0x01);
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_6,0x01);
LCD_RESET_HIGH();
HAL_Delay(1); //delay 1ms
LCD_RESET_LOW();
HAL_Delay(10); //delay 10ms
LCD_RESET_HIGH();
HAL_Delay(120);
/* Configure LCD */
st7789v_WriteReg(0x11);
HAL_Delay(120);
st7789v_WriteReg(0x36); //Memory Data Access Control
st7789v_WriteData(0x00);
st7789v_WriteReg(0x3a);//Interface Pixel Format
st7789v_WriteData(0x05);//MCU-16bit 05
st7789v_WriteReg(0x2a);
st7789v_WriteData(0x00);
st7789v_WriteData(0x00);
st7789v_WriteData(0x00);
st7789v_WriteData(0xef);
st7789v_WriteReg(0x2b);
st7789v_WriteData(0x00);
st7789v_WriteData(0x00);
st7789v_WriteData(0x00);
st7789v_WriteData(0xef);
/*frame rate setting*/
st7789v_WriteReg(0xb2);//portch
st7789v_WriteData(0x0c);//normal BP
st7789v_WriteData(0x0c);//normal FP
st7789v_WriteData(0x00);//enable seperate
st7789v_WriteData(0x33);//idle, BP[7:4], FP[3:0]
st7789v_WriteData(0x33);//partial, BP[7:4], FP[3:0]
st7789v_WriteReg(0xb7); //gate control
st7789v_WriteData(0x56);//VGH=14.06v,VGL=-11.38
/*power setting*/
st7789v_WriteReg(0xbb); //VCOMS Setting
st7789v_WriteData(0x1e);
st7789v_WriteReg(0xc0);
st7789v_WriteData(0x2c);
st7789v_WriteReg(0xc2);
st7789v_WriteData(0x01);
st7789v_WriteReg(0xc3); //VRH Set
st7789v_WriteData(0x13); //4.5v
st7789v_WriteReg(0xc4);
st7789v_WriteData(0x20);
st7789v_WriteReg(0xc6); //frame rate control in normal mode
st7789v_WriteData(0x0f);
st7789v_WriteReg(0xd0); // power control 1
st7789v_WriteData(0xa4);//
st7789v_WriteData(0xa1);//AVDD=6.8v, AVCL=-4.8v, VDS=2.3V
//----GAMMA------------------------------------
st7789v_WriteReg(0xe0);
st7789v_WriteData(0xD0);
st7789v_WriteData(0x03);
st7789v_WriteData(0x08);
st7789v_WriteData(0x0E);
st7789v_WriteData(0x11);
st7789v_WriteData(0x2B);
st7789v_WriteData(0x3B);
st7789v_WriteData(0x44);
st7789v_WriteData(0x4C);
st7789v_WriteData(0x2B);
st7789v_WriteData(0x16);
st7789v_WriteData(0x15);
st7789v_WriteData(0x1E);
st7789v_WriteData(0x21);
st7789v_WriteReg(0xe1);
st7789v_WriteData(0xD0);
st7789v_WriteData(0x03);
st7789v_WriteData(0x08);
st7789v_WriteData(0x0E);
st7789v_WriteData(0x11);
st7789v_WriteData(0x2B);
st7789v_WriteData(0x3B);
st7789v_WriteData(0x54);
st7789v_WriteData(0x4C);
st7789v_WriteData(0x2B);
st7789v_WriteData(0x16);
st7789v_WriteData(0x15);
st7789v_WriteData(0x1E);
st7789v_WriteData(0x21);
st7789v_WriteReg(0x29); //Display ON
// g_LCD = st7789v_ReadID();
//
// while (1);
}
