Description
Source
Call Graph
Start Line: 587
void SDSPI_Close(SdSpi *pSdSpi)
{
AT91S_SPI *pSpiHw = pSdSpi->pSpiHw;
SANITY_CHECK(pSdSpi);
SANITY_CHECK(pSpiHw);
// Enable the SPI clock
AT91C_BASE_PMC->PMC_PCER = (1 << pSdSpi->spiId);
// Disable the PDC transfer
pSpiHw->SPI_PTCR = AT91C_PDC_RXTDIS | AT91C_PDC_TXTDIS;
// Enable the SPI
pSpiHw->SPI_CR = AT91C_SPI_SPIDIS;
// Disable the SPI clock
AT91C_BASE_PMC->PMC_PCDR = (1 << pSdSpi->spiId);
// Disable all the interrupts
pSpiHw->SPI_IDR = 0xFFFFFFFF;
}