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chg: dma macros instead

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iceman1001 2018-01-17 00:27:13 +01:00
parent 93ecfddb88
commit de983252eb
1 changed files with 3 additions and 3 deletions
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6
armsrc/fpgaloader.c
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@ -154,13 +154,13 @@ void FpgaSetupSsc(void) {
bool FpgaSetupSscDma(uint8_t *buf, int len) {
if (buf == NULL) return false;
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS; // Disable DMA Transfer
FpgaDisableSscDma();
AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf; // transfer to this memory address
AT91C_BASE_PDC_SSC->PDC_RCR = len; // transfer this many bytes
AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t) buf; // next transfer to same memory address
AT91C_BASE_PDC_SSC->PDC_RNCR = len; // ... with same number of bytes
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN; // go!
return true;
FpgaEnableSscDma();
return true;
}
//----------------------------------------------------------------------------