void LCD_SendDAT8(u8 Data) {
LCD_RS_DISABLE(); //data
LCD_CS_ENABLE();
LCD_SPISendByte(Data);
LCD_SPISendByte(0x00);
LCD_CS_DISABLE();
}
void LCD_SendCMD(u8 Data) {
LCD_RS_ENABLE(); //cmd
LCD_CS_ENABLE();
LCD_SPISendByte(Data);
LCD_SPISendByte(0x00);
LCD_CS_DISABLE();
}
// Send a byte to LCD
void LCD_SendByte(u8 DataType, u8 DataToSend)
{
LCD_ChipSelect(ENABLE); /* Enable access to LCD */
LCD_SPISendByte(DataType); /* Send Synchro/Mode byte */
LCD_SPISendByte((u8)(DataToSend & (u8)0xF0)); /* Send byte high nibble */
LCD_SPISendByte((u8)((u8)(DataToSend << 4) & (u8)0xF0)); /* Send byte low nibble */
LCD_ChipSelect(DISABLE); /* Disable access to LCD */
}
/**
* @brief Send a byte to LCD
* @param DataType Type of Data to be sent
* @param DataToSend Data to be sent
* @retval None
*/
void LCD_SendByte(uint8_t DataType, uint8_t DataToSend)
{
/* Enable access to LCD */
LCD_NCS_HIGH();
/* Send Synchro/Mode byte */
LCD_SPISendByte(DataType);
/* Send byte high nibble */
LCD_SPISendByte((uint8_t)(DataToSend & (uint8_t)0xF0));
/* Send byte low nibble */
LCD_SPISendByte((uint8_t)((uint8_t)(DataToSend << 4) & (uint8_t)0xF0));
_delay_(80);
/* Disable access to LCD */
LCD_NCS_LOW();
}
void LCD_SendDAT16(u16 Data) {
LCD_RS_DISABLE(); //data
LCD_CS_ENABLE();
LCD_SPISendByte(Data >> 8);
LCD_SPISendByte(Data);
LCD_CS_DISABLE();
}
// Send a buffer to LCD
void LCD_SendBuffer(u8 *pTxBuffer, u8 *pRxBuffer, u8 NumByte)
{
LCD_ChipSelect(ENABLE);
while (NumByte--) /* while there is data to be read */
{
*pRxBuffer = LCD_SPISendByte(*pTxBuffer);
pTxBuffer++;
pRxBuffer++;
}
LCD_ChipSelect(DISABLE);
}
