SPI_ReadBuffer
Default mainpageat91libperipheralsspiSPI_ReadBuffer
Description Source Call Graph
Start Line: 172
unsigned char SPI_ReadBuffer(AT91S_SPI *spi, void *buffer, unsigned int length)
{
    // Check if the first bank is free
    if (spi->SPI_RCR == 0) {

        spi->SPI_RPR = (unsigned int) buffer;
        spi->SPI_RCR = length;
        spi->SPI_PTCR = AT91C_PDC_RXTEN;
        return 1;
    }
    // Check if second bank is free
    else if (spi->SPI_RNCR == 0) {

        spi->SPI_RNPR = (unsigned int) buffer;
        spi->SPI_RNCR = length;
        return 1;
    }

    // No free bank
    return 0;
}