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syntax suger

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This commit is contained in:
iceman1001 2016-04-23 13:04:22 +02:00
commit 5bb6228386
2 changed files with 6 additions and 10 deletions
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10
armsrc/fpgaloader.c
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@ -117,8 +117,7 @@ void SetupSpi(int mode)
// Set up the synchronous serial port, with the one set of options that we // Set up the synchronous serial port, with the one set of options that we
// always use when we are talking to the FPGA. Both RX and TX are enabled. // always use when we are talking to the FPGA. Both RX and TX are enabled.
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
void FpgaSetupSsc(void) void FpgaSetupSsc(void) {
{
// First configure the GPIOs, and get ourselves a clock. // First configure the GPIOs, and get ourselves a clock.
AT91C_BASE_PIOA->PIO_ASR = AT91C_BASE_PIOA->PIO_ASR =
GPIO_SSC_FRAME | GPIO_SSC_FRAME |
@ -156,10 +155,8 @@ void FpgaSetupSsc(void)
// ourselves, not to another buffer). The stuff to manipulate those buffers // ourselves, not to another buffer). The stuff to manipulate those buffers
// is in apps.h, because it should be inlined, for speed. // is in apps.h, because it should be inlined, for speed.
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
bool FpgaSetupSscDma(uint8_t *buf, int len) bool FpgaSetupSscDma(uint8_t *buf, int len) {
{ if (buf == NULL) return false;
if (buf == NULL)
return false;
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS; // Disable DMA Transfer AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS; // Disable DMA Transfer
AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf; // transfer to this memory address AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf; // transfer to this memory address
@ -167,7 +164,6 @@ bool FpgaSetupSscDma(uint8_t *buf, int len)
AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t) buf; // next transfer to same memory address 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_RNCR = len; // ... with same number of bytes
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN; // go! AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN; // go!
return true; return true;
} }