// Distinguishing write data, DC (GPIOA2_BASE) set to high
void writeData(unsigned char c) {
unsigned long ulDummy;
GPIOPinWrite(GPIOA2_BASE, 0x40, 0x40);
SPICSEnable(GSPI_BASE);
SPIDataPut(GSPI_BASE, c);
SPIDataGet(GSPI_BASE, &ulDummy);
SPICSDisable(GSPI_BASE);
}
//*****************************************************************************
//
//! \brief Write an byte to SPI Bus then read back an byte.
//!
//! \param data is the byte to be transfered.
//!
//! \return the byte read back from spi salave.
//! \note after read byte, you must wait 10us.
//
//*****************************************************************************
uint8_t SpiDrv_Transfer(uint8_t ucData)
{
/*
uint8_t recv = 0;
recv = xSPISingleDataReadWrite(xSPI1_BASE, data);
//This delay is must
//Note By CooCox Cedar
delay(0x5F);
return (recv);
*/
unsigned long ucRecv = 0;
while(xSPIIsTxEmpty(xSPI1_BASE) == xfalse);
SPIDataPut(xSPI1_BASE, ucData);
while(SPIIsRxNotEmpty(xSPI1_BASE) == xfalse);
xSPIDataGet(xSPI1_BASE, &ucRecv);
delay(0x5F);
return (ucRecv);
}
