void Lcd_SetCursor(unsigned int x,unsigned int y)
{
LCD_WriteRegIndex(0x20);
LCD_WriteData(x);//水平坐标
LCD_WriteRegIndex(0x21);
LCD_WriteData(y);//垂直坐标
}
/*******************************************************************************
* Function Name : LCD_WriteRAM_Prepare
* Description : Prepare to write to the LCD RAM.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_WriteRAM_Prepare(void)
{
LCD_WriteRegIndex(R34); /* Select GRAM Reg */
/* Reset LCD control line(/CS) and Send Start-Byte */
LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
}
void SPILCD_SetWindow(unsigned int xstat,unsigned int xend,unsigned int ystat,unsigned int yend)
{
LCD_WriteRegIndex(0x2A);
LCD_WriteByteSPI(xstat>>8);
LCD_WriteByteSPI(xstat);
LCD_WriteByteSPI(xend>>8);
LCD_WriteByteSPI(xend);
LCD_WriteRegIndex(0x2B);
LCD_WriteByteSPI(ystat>>8);
LCD_WriteByteSPI(ystat);
LCD_WriteByteSPI(yend>>8);
LCD_WriteByteSPI(yend);
LCD_WriteRegIndex(0x2C);
}
/*******************************************************************************
* 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;
}
/**
* @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 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_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);
}
void SPILCD_WriteRAM_Prepare(void)
{
LCD_WriteRegIndex(0x22); //写RAM
}
//关闭反色显示
void LCD_InvDisplayOff()
{
LCD_WriteRegIndex(0x20);
}
//开启反色显示
void LCD_InvDisplayOn()
{
LCD_WriteRegIndex(0x21);
}
/******************************************
函数名：void ILI9325_CMO24_Initial(void)
功能：对LCD用到的管脚进行初始化设置
******************************************/
void ILI9325_CMO24_Initial(void)
{
Delayms(10); //延时10ms
CSOUT |=CS; //片选信号 CS
Delayms(150); //延时150ms
CSOUT &=~CS;
Delayms(25); //延时10ms
RS_RST_OUT&=~RST; //复位信号 RST
Delayms(150); //延时150ms
RS_RST_OUT|=RST;
Delayms(150); //延时150ms
LCD_WriteRegIndex(0x00B0);//{setc, [107], W, 0x000B0}
LCD_WriteByteSPI(0x0000);//{setp, [104], W, 0x00000}
LCD_WriteRegIndex(0x00B3);
LCD_WriteByteSPI( 0x0002);
LCD_WriteByteSPI(0x0000);
LCD_WriteByteSPI(0x0000);
LCD_WriteByteSPI(0x0000);
LCD_WriteRegIndex(0x00B4);
LCD_WriteByteSPI(0x0000);
LCD_WriteRegIndex(0x00C0);
LCD_WriteByteSPI(0x0013);//
LCD_WriteByteSPI( 0x003B);//480
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0003);//02
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0001);
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0043);
LCD_WriteRegIndex( 0x00C1);
LCD_WriteByteSPI( 0x0008);
LCD_WriteByteSPI( 0x0012);//CLOCK
LCD_WriteByteSPI( 0x0008);
LCD_WriteByteSPI( 0x0008);
LCD_WriteRegIndex( 0x00C4);
LCD_WriteByteSPI( 0x0011);
LCD_WriteByteSPI( 0x0007);
LCD_WriteByteSPI( 0x0003);
LCD_WriteByteSPI( 0x0003);
LCD_WriteRegIndex( 0x00C8);//GAMMA
LCD_WriteByteSPI( 0x0004);
LCD_WriteByteSPI( 0x0009);
LCD_WriteByteSPI( 0x0016);
LCD_WriteByteSPI( 0x005A);
LCD_WriteByteSPI( 0x0002);
LCD_WriteByteSPI( 0x000A);
LCD_WriteByteSPI( 0x0016);
LCD_WriteByteSPI( 0x0005);
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0032);
LCD_WriteByteSPI( 0x0005);
LCD_WriteByteSPI( 0x0016);
LCD_WriteByteSPI( 0x000A);
LCD_WriteByteSPI( 0x0053);//43/55
LCD_WriteByteSPI( 0x0008);
LCD_WriteByteSPI( 0x0016);
LCD_WriteByteSPI( 0x0009);
LCD_WriteByteSPI( 0x0004);
LCD_WriteByteSPI( 0x0032);
LCD_WriteByteSPI( 0x0000);
LCD_WriteRegIndex( 0x002A);
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0001);
LCD_WriteByteSPI( 0x003F);//320
LCD_WriteRegIndex( 0x002B);
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0001);
LCD_WriteByteSPI( 0x00DF);//480
LCD_WriteRegIndex( 0x0035);
LCD_WriteByteSPI( 0x0000);
LCD_WriteRegIndex( 0x003A);
LCD_WriteByteSPI( 0x0055);
LCD_WriteRegIndex( 0x0044);
LCD_WriteByteSPI( 0x0000);
LCD_WriteByteSPI( 0x0001);
LCD_WriteRegIndex( 0x002C);
LCD_WriteRegIndex( 0x0011);
Delayms(150);
LCD_WriteRegIndex( 0x00D0);
LCD_WriteByteSPI( 0x0007);
LCD_WriteByteSPI( 0x0007);
LCD_WriteByteSPI( 0x001E);
LCD_WriteByteSPI( 0x07);
LCD_WriteByteSPI( 0x03);
LCD_WriteRegIndex( 0x00D1);
LCD_WriteByteSPI( 0x0003);
LCD_WriteByteSPI( 0x0052);//VCM
LCD_WriteByteSPI( 0x0010);//VDV
LCD_WriteRegIndex( 0x00D2);
LCD_WriteByteSPI( 0x0003);
LCD_WriteByteSPI( 0x0024);
LCD_WriteRegIndex(0x00B0);//{setc, [107], W, 0x000B0}
LCD_WriteByteSPI(0x0000);//{setp, [104], W, 0x00000}
LCD_WriteRegIndex(0x0029);
Delayms(10);
LCD_WriteRegIndex(0x0036);
LCD_WriteByteSPI(0x0028);
}
