/*******************************************************************************
* Function Name : LCD_DrawBMP
* Description : Displays a bitmap picture loaded in the SPI Flash.
* Input : - BmpAddress: Bmp picture address in the SPI Flash.
* Output : None
* Return : None
*******************************************************************************/
void LCD_DrawBMP(uc16 *BmpAddress)
{
u32 i = 0, size = 0;
/* Read bitmap size */
size = BmpAddress[1] | (BmpAddress[2] << 16);
/* get bitmap data address offset */
i = BmpAddress[5] | (BmpAddress[6] << 16);
size = (size - i)/2;
BmpAddress += i/2;
/* Set GRAM write direction and BGR = 1 */
/* I/D=00 (Horizontal : decrement, Vertical : decrement) */
/* AM=1 (address is updated in vertical writing direction) */
LCD_WriteReg(R3, 0x1008);
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
/* Read bitmap data from SPI Flash and send them to LCD */
for(i = 0; i < size; i++) {
LCD_WriteRAM(BmpAddress[i]);
}
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
/* Set GRAM write direction and BGR = 1 */
/* I/D = 01 (Horizontal : increment, Vertical : decrement) */
/* AM = 1 (address is updated in vertical writing direction) */
LCD_WriteReg(R3, 0x1018);
}
/**
* @brief Draws a character on LCD.
* @param Xpos: the Line where to display the character shape.
* @param Ypos: start column address.
* @param c: pointer to the character data.
* @retval None
*/
void LCD_DrawChar(uint8_t Xpos, uint16_t Ypos, const uint16_t *c)
{
uint32_t index = 0, i = 0;
uint8_t Xaddress = 0;
Xaddress = Xpos;
LCD_SetCursor(Xaddress, Ypos);
for(index = 0; index < 24; index++)
{
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(i = 0; i < 16; i++)
{
if((c[index] & (1 << i)) == 0x00)
{
LCD_WriteRAM(BackColor);
}
else
{
LCD_WriteRAM(TextColor);
}
}
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
Xaddress++;
LCD_SetCursor(Xaddress, Ypos);
}
}
/**
* @brief Reset LCD control line(/CS) and Send Start-Byte
* @param Start_Byte: the Start-Byte to be sent
* @retval None
*/
void LCD_nCS_StartByte(uint8_t Start_Byte)
{
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_RESET);
SPI_I2S_SendData(LCD_SPI, Start_Byte);
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET) {
}
}
/**
* @brief Clears the hole LCD.
* @param Color: the color of the background.
* @retval None
*/
void LCD_Clear(uint16_t Color)
{
uint32_t index = 0;
if(LCDType == LCD_HX8347D)
{
LCD_SetCursor(0, 0);
}
else
{
LCD_SetCursor(0, 319);
}
/* Prepare to write GRAM */
LCD_WriteRAM_Prepare();
for(index = 0; index < (uint32_t)320*240; index++)
{
LCD_WriteRAM(Color);
}
/* Wait until a data is sent(not busy), before config /CS HIGH */
while (SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET);
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
/**
* @brief Sets or reset LCD control lines.
* @param GPIOx: where x can be B or D to select the GPIO peripheral.
* @param CtrlPins: the Control line.
* This parameter can be one of the following values:
* @arg - LCD_CtrlPin_NCS: Chip Select pin
* @arg - CtrlPin_NWR: Read/Write Selection pin
* @arg - CtrlPin_RS: Register/RAM Selection pin
* @param BitVal: specifies the value to be written to the selected bit.
* This parameter can be one of the following values:
* @arg - GL_LOW: to clear the port pin
* @arg - GL_HIGH: to set the port pin
* @retval None
*/
void GL_LCD_CtrlLinesWrite(GPIO_TypeDef* GPIOx, uint16_t CtrlPins, GL_SignalActionType BitVal)
{
#if defined(USE_STM3210C_EVAL) || defined (USE_STM3210B_EVAL) ||\
defined (USE_STM32100B_EVAL) || defined(USE_STM32L152_EVAL)
/* Set or Reset the control line */
LCD_CtrlLinesWrite(GPIOx, CtrlPins, (BitAction)BitVal);
#endif
}
/*******************************************************************************
* Function Name : LCD_WriteRAMWord
* Description : Writes 1 word to the LCD RAM.
* Input : - RGB_Code: the pixel color in RGB mode (5-6-5).
* Output : None
* Return : None
*******************************************************************************/
void LCD_WriteRAMWord(u16 RGB_Code)
{
LCD_WriteRAM_Prepare();
LCD_WriteRAM(RGB_Code);
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
}
/*******************************************************************************
* Function Name : LCD_ReadReg
* Description : Reads the selected LCD Register.
* Input : None
* Output : None
* Return : LCD Register Value.
*******************************************************************************/
u16 LCD_ReadReg(u8 LCD_Reg)
{
vu16 tmp = 0;
vu8 i = 0;
/* SPI3 prescaler: 4 */
SPI3->CR1 &= 0xFFC7;
SPI3->CR1 |= 0x0008;
/* Write 16-bit Index (then Read Reg) */
LCD_WriteRegIndex(LCD_Reg);
/* Read 16-bit Reg */
/* Reset LCD control line(/CS) and Send Start-Byte */
LCD_nCS_StartByte(START_BYTE | LCD_READ_REG);
for(i = 0; i < 5; i++) {
SPI_I2S_SendData(SPI3, 0xFF);
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
/* One byte of invalid dummy data read after the start byte */
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_RXNE) == RESET) {
vBlockToWait( 1 );
}
SPI_I2S_ReceiveData(SPI3);
}
SPI_I2S_SendData(SPI3, 0xFF);
/* Read upper byte */
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
/* Read lower byte */
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_RXNE) == RESET) {
vBlockToWait( 1 );
}
tmp = SPI_I2S_ReceiveData(SPI3);
SPI_I2S_SendData(SPI3, 0xFF);
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
/* Read lower byte */
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_RXNE) == RESET) {
vBlockToWait( 1 );
}
tmp = ((tmp & 0xFF) << 8) | SPI_I2S_ReceiveData(SPI3);
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
/* SPI3 prescaler: 2 */
SPI3->CR1 &= 0xFFC7;
return tmp;
}
/*******************************************************************************
* Function Name : LCD_nCS_StartByte
* Description : Reset LCD control line(/CS) and Send Start-Byte
* Input : - Start_Byte: the Start-Byte to be sent
* Output : None
* Return : None
*******************************************************************************/
void LCD_nCS_StartByte(u8 Start_Byte)
{
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_RESET);
SPI_I2S_SendData(SPI3, Start_Byte);
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
}
/**
* @brief Clears the whole LCD.
* @param Color: the color of the background.
* @retval None
*/
void LCD_Clear(uint16_t Color)
{
uint32_t index = 0;
LCD_SetCursor(0x00, 0x0000);
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(index = 0; index < 76800; index++)
{
LCD_WriteRAM(Color);
}
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
/**
* @brief Reads the selected LCD Register.
* @param None
* @retval LCD Register Value.
*/
uint16_t LCD_ReadReg(uint8_t LCD_Reg)
{
uint16_t tmp = 0;
uint8_t i = 0;
/* LCD_SPI prescaler: 4 */
LCD_SPI->CR1 &= 0xFFC7;
LCD_SPI->CR1 |= 0x0008;
/* Write 16-bit Index (then Read Reg) */
LCD_WriteRegIndex(LCD_Reg);
/* Read 16-bit Reg */
/* Reset LCD control line(/CS) and Send Start-Byte */
LCD_nCS_StartByte(START_BYTE | LCD_READ_REG);
for(i = 0; i < 5; i++)
{
SPI_I2S_SendData(LCD_SPI, 0xFF);
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
{
}
/* One byte of invalid dummy data read after the start byte */
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
{
}
SPI_I2S_ReceiveData(LCD_SPI);
}
SPI_I2S_SendData(LCD_SPI, 0xFF);
/* Read upper byte */
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
{
}
/* Read lower byte */
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
{
}
tmp = SPI_I2S_ReceiveData(LCD_SPI);
SPI_I2S_SendData(LCD_SPI, 0xFF);
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
{
}
/* Read lower byte */
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
{
}
tmp = ((tmp & 0xFF) << 8) | SPI_I2S_ReceiveData(LCD_SPI);
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
/* LCD_SPI prescaler: 2 */
LCD_SPI->CR1 &= 0xFFC7;
return tmp;
}
/**
* @brief Writes index to select the LCD register.
* @param LCD_Reg: address of the selected register.
* @retval None
*/
void LCD_WriteRegIndex(uint8_t LCD_Reg)
{
/* Reset LCD control line(/CS) and Send Start-Byte */
LCD_nCS_StartByte(START_BYTE | SET_INDEX);
/* Write 16-bit Reg Index (High Byte is 0) */
SPI_I2S_SendData(LCD_SPI, 0x00);
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET) {
}
SPI_I2S_SendData(LCD_SPI, LCD_Reg);
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET) {
}
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
/*******************************************************************************
* Function Name : LCD_Clear
* Description : Clears the hole LCD.
* Input : Color: the color of the background.
* Output : None
* Return : None
*******************************************************************************/
void LCD_Clear(u16 Color)
{
vu32 index = 0;
LCD_SetCursor(0x00, 0x013F);
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(index = 0; index < 76800; index++) {
LCD_WriteRAM(Color);
}
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
}
/**
* @brief Writes to the selected LCD register.
* @param LCD_Reg: address of the selected register.
* @param LCD_RegValue: value to write to the selected register.
* @retval None
*/
void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue)
{
/* Write 16-bit Index (then Write Reg) */
LCD_WriteRegIndex(LCD_Reg);
/* Write 16-bit Reg */
/* Reset LCD control line(/CS) and Send Start-Byte */
LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
SPI_I2S_SendData(LCD_SPI, LCD_RegValue>>8);
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET) {
}
SPI_I2S_SendData(LCD_SPI, (LCD_RegValue & 0xFF));
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET) {
}
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
/*******************************************************************************
* Function Name : LCD_WriteRegIndex
* Description : Writes index to select the LCD register.
* Input : - LCD_Reg: address of the selected register.
* Output : None
* Return : None
*******************************************************************************/
void LCD_WriteRegIndex(u8 LCD_Reg)
{
/* Reset LCD control line(/CS) and Send Start-Byte */
LCD_nCS_StartByte(START_BYTE | SET_INDEX);
/* Write 16-bit Reg Index (High Byte is 0) */
SPI_I2S_SendData(SPI3, 0x00);
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
SPI_I2S_SendData(SPI3, LCD_Reg);
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
}
void LCDTFTConf::LCD_WriteData(uint8_t value)
{
/* Set WRX to send data */
LCD_CtrlLinesWrite(LCD_WRX_GPIO_PORT, LCD_WRX_PIN, Bit_SET);
/* Reset LCD control line(/CS) and Send data */
LCD_ChipSelect(DISABLE);
SPI_I2S_SendData(LCD_SPI, value);
/* Wait until a data is sent(not busy), before config /CS HIGH */
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_TXE) == RESET) ;
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET);
LCD_ChipSelect(ENABLE);
}
/*******************************************************************************
* Function Name : LCD_DrawMonoPict
* Description : Displays a monocolor picture.
* Input : - Pict: pointer to the picture array.
* Output : None
* Return : None
*******************************************************************************/
void LCD_DrawMonoPict(uc32 *Pict)
{
u32 index = 0, i = 0;
LCD_SetCursor(0, 319);
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(index = 0; index < 2400; index++) {
for(i = 0; i < 32; i++) {
if((Pict[index] & (1 << i)) == 0x00) {
LCD_WriteRAM(BackColor);
} else {
LCD_WriteRAM(TextColor);
}
}
}
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
}
/*******************************************************************************
* Function Name : LCD_WriteReg
* Description : Writes to the selected LCD register.
* Input : - LCD_Reg: address of the selected register.
* - LCD_RegValue: value to write to the selected register.
* Output : None
* Return : None
*******************************************************************************/
void LCD_WriteReg(u8 LCD_Reg, u16 LCD_RegValue)
{
/* Write 16-bit Index (then Write Reg) */
LCD_WriteRegIndex(LCD_Reg);
/* Write 16-bit Reg */
/* Reset LCD control line(/CS) and Send Start-Byte */
LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
SPI_I2S_SendData(SPI3, LCD_RegValue>>8);
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
SPI_I2S_SendData(SPI3, (LCD_RegValue & 0xFF));
while(SPI_I2S_GetFlagStatus(SPI3, SPI_I2S_FLAG_BSY) != RESET) {
vBlockToWait( 1 );
}
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
}
/*******************************************************************************
* Function Name : LCD_Clear
* Description : Clears the hole LCD.
* Input : Color: the color of the background.
* Output : None
* Return : None
*******************************************************************************/
void LCD_Clear(uint16_t Color)
{
uint32_t index = 0;
LCD_SetCursor(0x00, 0x013F);
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
{
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
}
for(index = 0; index < 76800; index++)
{
LCD_WriteRAM(Color);
}
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
{
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
}
}
/**
* @brief Displays a monocolor picture.
* @param Pict: pointer to the picture array.
* @retval None
*/
void LCD_DrawMonoPict(const uint32_t *Pict)
{
uint32_t index = 0, i = 0;
LCD_SetCursor(0, 319);
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(index = 0; index < 2400; index++)
{
for(i = 0; i < 32; i++)
{
if((Pict[index] & (1 << i)) == 0x00)
{
LCD_WriteRAM(BackColor);
}
else
{
LCD_WriteRAM(TextColor);
}
}
}
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
/*******************************************************************************
* Function Name : LCD_DrawLine
* Description : Displays a line.
* Input : - Xpos: specifies the X position.
* - Ypos: specifies the Y position.
* - Length: line length.
* - Direction: line direction.
* This parameter can be one of the following values: Vertical
* or Horizontal.
* Output : None
* Return : None
*******************************************************************************/
void LCD_DrawLine(u8 Xpos, u16 Ypos, u16 Length, u8 Direction)
{
u32 i = 0;
LCD_SetCursor(Xpos, Ypos);
if(Direction == Horizontal) {
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(i = 0; i < Length; i++) {
LCD_WriteRAM(TextColor);
}
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
} else {
for(i = 0; i < Length; i++) {
LCD_WriteRAMWord(TextColor);
Xpos++;
LCD_SetCursor(Xpos, Ypos);
}
}
}
void LCDTFTConf::LCD_CtrlLinesConfig(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIOs clock*/
RCC_AHB1PeriphClockCmd(LCD_NCS_GPIO_CLK | LCD_WRX_GPIO_CLK, ENABLE);
/* Configure NCS in Output Push-Pull mode */
GPIO_InitStructure.GPIO_Pin = LCD_NCS_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure);
/* Configure WRX in Output Push-Pull mode */
GPIO_InitStructure.GPIO_Pin = LCD_WRX_PIN;
GPIO_Init(LCD_WRX_GPIO_PORT, &GPIO_InitStructure);
/* Set chip select pin high */
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
/**
* @brief Displays a line.
* @param Xpos: specifies the X position.
* @param Ypos: specifies the Y position.
* @param Length: line length.
* @param Direction: line direction.
* This parameter can be one of the following values: Vertical or Horizontal.
* @retval None
*/
void LCD_DrawLine(uint8_t Xpos, uint16_t Ypos, uint16_t Length, uint8_t Direction)
{
uint32_t i = 0;
LCD_SetCursor(Xpos, Ypos);
if(Direction == Horizontal)
{
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(i = 0; i < Length; i++)
{
LCD_WriteRAM(TextColor);
}
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
else
{
for(i = 0; i < Length; i++)
{
LCD_WriteRAMWord(TextColor);
Xpos++;
LCD_SetCursor(Xpos, Ypos);
}
}
}
/*******************************************************************************
* Function Name : LCD_DrawChar
* Description : Draws a character on LCD.
* Input : - Xpos: the Line where to display the character shape.
* This parameter can be one of the following values:
* - Linex: where x can be 0..9
* - Ypos: start column address.
* - c: pointer to the character data.
* Output : None
* Return : None
*******************************************************************************/
void LCD_DrawChar(u8 Xpos, u16 Ypos, uc16 *c)
{
vu32 index = 0, i = 0;
vu8 Xaddress = 0;
Xaddress = Xpos;
LCD_SetCursor(Xaddress, Ypos);
for(index = 0; index < 24; index++) {
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
for(i = 0; i < 16; i++) {
if((c[index] & (1 << i)) == 0x00) {
LCD_WriteRAM(BackColor);
} else {
LCD_WriteRAM(TextColor);
}
}
LCD_CtrlLinesWrite(GPIOB, CtrlPin_NCS, Bit_SET);
Xaddress++;
LCD_SetCursor(Xaddress, Ypos);
}
}
void LCD_Setup(void)
{
/* Configure the LCD Control pins --------------------------------------------*/
LCD_CtrlLinesConfig();
/* Configure the LCD_SPI interface ----------------------------------------------*/
LCD_SPIConfig();
_delay_(5); /* Delay 50 ms */
/* Start Initial Sequence ------------------------------------------------*/
LCD_WriteReg(R229, 0x8000); /* Set the internal vcore voltage */
LCD_WriteReg(R0, 0x0001); /* Start internal OSC. */
LCD_WriteReg(R1, 0x0100); /* set SS and SM bit */
LCD_WriteReg(R2, 0x0700); /* set 1 line inversion */
LCD_WriteReg(R3, 0x1030); /* set GRAM write direction and BGR=1. */
LCD_WriteReg(R4, 0x0000); /* Resize register */
LCD_WriteReg(R8, 0x0202); /* set the back porch and front porch */
LCD_WriteReg(R9, 0x0000); /* set non-display area refresh cycle ISC[3:0] */
LCD_WriteReg(R10, 0x0000); /* FMARK function */
LCD_WriteReg(R12, 0x0000); /* RGB interface setting */
LCD_WriteReg(R13, 0x0000); /* Frame marker Position */
LCD_WriteReg(R15, 0x0000); /* RGB interface polarity */
/* Power On sequence -----------------------------------------------------*/
LCD_WriteReg(R16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(R17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
LCD_WriteReg(R18, 0x0000); /* VREG1OUT voltage */
LCD_WriteReg(R19, 0x0000); /* VDV[4:0] for VCOM amplitude */
_delay_(20); /* Dis-charge capacitor power voltage (200ms) */
LCD_WriteReg(R16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(R17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(R18, 0x0139); /* VREG1OUT voltage */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(R19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
LCD_WriteReg(R41, 0x0013); /* VCM[4:0] for VCOMH */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(R32, 0x0000); /* GRAM horizontal Address */
LCD_WriteReg(R33, 0x0000); /* GRAM Vertical Address */
/* Adjust the Gamma Curve ------------------------------------------------*/
LCD_WriteReg(R48, 0x0006);
LCD_WriteReg(R49, 0x0101);
LCD_WriteReg(R50, 0x0003);
LCD_WriteReg(R53, 0x0106);
LCD_WriteReg(R54, 0x0b02);
LCD_WriteReg(R55, 0x0302);
LCD_WriteReg(R56, 0x0707);
LCD_WriteReg(R57, 0x0007);
LCD_WriteReg(R60, 0x0600);
LCD_WriteReg(R61, 0x020b);
// /* Set GRAM area ---------------------------------------------------------*/
// LCD_WriteReg(R80, 0x0000); /* Horizontal GRAM Start Address */
// LCD_WriteReg(R81, 0x00EF); /* (240-1) Horizontal GRAM End Address */
// LCD_WriteReg(R82, 0x0000); /* Vertical GRAM Start Address */
// LCD_WriteReg(R83, 0x013F); /* (320-1) Vertical GRAM End Address */
/* Set GRAM area ---------------------------------------------------------*/
LCD_WriteReg(R80, 0x0000); /* Horizontal GRAM Start Address */
LCD_WriteReg(R81, 0x00EF); /* Horizontal GRAM End Address */
LCD_WriteReg(R82, 0x0000); /* Vertical GRAM Start Address */
LCD_WriteReg(R83, 0x013F); /* Vertical GRAM End Address */
LCD_WriteReg(R96, 0xA700); /* Gate Scan Line */
LCD_WriteReg(R97, 0x0001); /* NDL,VLE, REV */
LCD_WriteReg(R106, 0x0000); /* set scrolling line */
/* Partial Display Control -----------------------------------------------*/
LCD_WriteReg(R128, 0x0000);
LCD_WriteReg(R129, 0x0000);
LCD_WriteReg(R130, 0x0000);
LCD_WriteReg(R131, 0x0000);
LCD_WriteReg(R132, 0x0000);
LCD_WriteReg(R133, 0x0000);
/* Panel Control ---------------------------------------------------------*/
LCD_WriteReg(R144, 0x0010);
LCD_WriteReg(R146, 0x0000);
LCD_WriteReg(R147, 0x0003);
LCD_WriteReg(R149, 0x0110);
LCD_WriteReg(R151, 0x0000);
LCD_WriteReg(R152, 0x0000);
/* Set GRAM write direction and BGR = 1 */
/* I/D=01 (Horizontal : increment, Vertical : decrement) */
/* AM=1 (address is updated in vertical writing direction) */
LCD_WriteReg(R3, 0x1018);
LCD_WriteReg(R7, 0x0173); /* 262K color and display ON */
LCD_CtrlLinesWrite(LCD_BL_GPIO_PORT, LCD_BL_PIN, Bit_SET);
}
/**
* @brief Writes 1 word to the LCD RAM.
* @param RGB_Code: the pixel color in RGB mode (5-6-5).
* @retval None
*/
void LCD_WriteRAMWord(uint16_t RGB_Code)
{
LCD_WriteRAM_Prepare();
LCD_WriteRAM(RGB_Code);
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
}
