// ourselves, not to another buffer). The stuff to manipulate those buffers
// is in apps.h, because it should be inlined, for speed.
//-----------------------------------------------------------------------------
-void FpgaSetupSscDma(uint8_t *buf, int len)
+bool FpgaSetupSscDma(uint8_t *buf, int len)
{
+ if (buf == NULL) {
+ return false;
+ }
+
+ AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS;
AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf;
AT91C_BASE_PDC_SSC->PDC_RCR = len;
AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t) buf;
AT91C_BASE_PDC_SSC->PDC_RNCR = len;
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN;
+
+ return true;
}
static void DownloadFPGA_byte(unsigned char w)