/*
** Main Function.
*/
int main(void)
{
unsigned char choice = 0;
/* Enable the clocks for McSPI0 module.*/
McSPI0ModuleClkConfig();
/* Perform Pin-Muxing for SPI0 Instance.*/
McSPIPinMuxSetup(0);
/* Perform Pin-Muxing for CS0 of SPI0 Instance.*/
McSPI0CSPinMuxSetup(MCSPI_CH_NUM);
/* Initialize the UART utility functions.*/
UARTStdioInit();
/* Enable IRQ in CPSR.*/
IntMasterIRQEnable();
UARTPuts("Here the McSPI controller on the SOC communicates with ",-1);
UARTPuts("the McSPI Flash.\r\n\r\n",-1);
/* Initialize the EDMA3 instance.*/
EDMA3Initialize();
/* Request EDMA3CC for Tx and Rx channels for SPI0. */
RequestEDMA3Channels();
/* Set up the McSPI instance.*/
McSPISetUp();
/* Enable the SPI Flash for writing to it. */
WriteEnable();
UARTPuts("Do you want to erase a sector of the flash before writing to it ?.", -1);
UARTPuts("\r\nInput y(Y)/n(N) to proceed.\r\n", -1);
choice = UARTGetc();
UARTPutc(choice);
if(('y' == choice) || ('Y' == choice))
{
/* Erasing the specified sector of SPI Flash. */
FlashSectorErase();
}
/* Enable the SPI Flash for writing to it. */
WriteEnable();
/* Write data of 1 page size into a page of Flash.*/
FlashPageProgram();
/* Read data of 1 page size from a page of flash.*/
ReadFromFlash();
/* Verify the data written to and read from Flash are same or not.*/
VerifyData();
while(1);
}
/*#####################################################*/
bool _mcspi_open(Mcspi_t *McspiStruct)
{
if(McspiStruct->BuffSize)
{
switch(McspiStruct->McspiNr)
{
case 0:
McspiStruct->BaseAddr = SOC_SPI_0_REGS;
Mcspi_Int_Service.Mcspi0 = McspiStruct;
break;
case 1:
McspiStruct->BaseAddr = SOC_SPI_1_REGS;
Mcspi_Int_Service.Mcspi1 = McspiStruct;
break;
}
McspiStruct->Buff = (unsigned char*)malloc(McspiStruct->BuffSize);
if(!McspiStruct->Buff) return false;
McspiStruct->flag = 1;
McSPIModuleClkConfig(McspiStruct->McspiNr);
McSPIPinMux(McspiStruct);
McSPISetUp(McspiStruct);
McSPIAintcConfigure(McspiStruct->McspiNr);
return true;
}
return false;
}
/******************************************************************************
** INTERNAL FUNCTION DEFINITIONS
******************************************************************************/
int main(void)
{
volatile unsigned int count = 0x0FFFu;
unsigned int retVal = FALSE;
unsigned char choice = 0;
/* Enable the clocks for McSPI0 module.*/
McSPI0ModuleClkConfig();
/* Perform Pin-Muxing for SPI0 Instance */
McSPIPinMuxSetup(0);
/* Perform Pin-Muxing for CS0 of SPI0 Instance */
McSPI0CSPinMuxSetup(chNum);
/* Initialize the UART utility functions */
UARTStdioInit();
UARTPuts("Here the McSPI controller on the SoC communicates with", -1);
UARTPuts(" the SPI Flash.\r\n\r\n", -1);
/* Enable IRQ in CPSR.*/
IntMasterIRQEnable();
/* Map McSPI Interrupts to AINTC */
McSPI0AintcConfigure();
/* Do the necessary set up configurations for McSPI.*/
McSPISetUp();
/* Pass the write enable command to flash.*/
WriteEnable();
/* Wait until write enable command is successfully written to flash.*/
while(FALSE == retVal)
{
retVal = IsWriteSuccess();
}
retVal = FALSE;
UARTPuts("Do you want to erase a sector of the flash before ", -1);
UARTPuts("writing to it ?.", -1);
UARTPuts("\r\nInput y(Y)/n(N) to proceed.\r\n", -1);
choice = UARTGetc();
UARTPutc(choice);
if(('Y' == choice) || ('y' == choice))
{
/* Erase a sector of flash.*/
SectorErase();
}
/* Pass the write enable command to flash.*/
WriteEnable();
/* Wait until write enable command is successfully written to flash.*/
while(FALSE == retVal)
{
retVal = IsWriteSuccess();
}
/* Write data of 1 page size to flash.*/
WriteToFlash();
while(count--);
count = 0x0FFFu;
/* Read data of 1 page size from flash.*/
ReadFromFlash();
while(count--);
/* Verify the data written to and read from flash are same or not.*/
VerifyData();
while(1);
}
