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LED D is on while snoop, when user button is pressed snoop is stopped

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This commit is contained in:
etmatrix 2015-10-25 08:10:17 +01:00
parent 0472d76de4
commit 031311c7ae
1 changed files with 20 additions and 18 deletions
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38
armsrc/hfsnoop.c
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@ -9,7 +9,7 @@ static void RAMFUNC optimizedSnoop(void)
{
BigBuf_free();
int n = BigBuf_max_traceLen() / sizeof(uint16_t); // take all memory
uint16_t *dest = (uint16_t *)BigBuf_get_addr();
uint16_t *destend = dest + n;
@ -24,14 +24,14 @@ static void RAMFUNC optimizedSnoop(void)
}
}
//Resetting Frame mode (First set in fpgaloader.c)
AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(8) | AT91C_SSC_MSBF | SSC_FRAME_MODE_WORDS_PER_TRANSFER(0);
AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(8) | AT91C_SSC_MSBF | SSC_FRAME_MODE_WORDS_PER_TRANSFER(0);
}
void HfSnoop(int samplesToSkip, int triggersToSkip)
{
Dbprintf("Skipping first %d sample pairs, Skipping %d triggers.\n", samplesToSkip, triggersToSkip);
bool trigger_cnt;
LED_D_OFF();
LED_D_ON();
// Select correct configs
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
// Set up the synchronous serial port
@ -42,32 +42,34 @@ void HfSnoop(int samplesToSkip, int triggersToSkip)
SpinDelay(100);
AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(16); // Setting Frame Mode For better performance on high speed data transfer.
trigger_cnt = 0;
uint16_t r;
for(;;) {
uint16_t r = 0;
while(!BUTTON_PRESS()) {
WDT_HIT();
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
r = (uint16_t)AT91C_BASE_SSC->SSC_RHR;
if (!(trigger_cnt == triggersToSkip) && ( (r >> 8) >= 240))
if (!(trigger_cnt == triggersToSkip) && ( (r >> 8) >= 240))
{
Dbprintf("Trigger kicked! Value: %d.", r >> 8);
trigger_cnt++;
break;
}
}
}
if(!BUTTON_PRESS()) {
Dbprintf("Trigger kicked! Value: %d, Dumping Samples Hispeed now.", r >> 8);
int waitcount = samplesToSkip; // lets wait 40000 ticks of pck0
while(waitcount != 0) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
waitcount--;
}
}
}
Dbprintf("Trigger kicked! Value: %d, Dumping Samples Hispeed now.", r >> 8);
int waitcount = samplesToSkip; // lets wait 40000 ticks of pck0
while(waitcount != 0) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
waitcount--;
}
optimizedSnoop();
}
// Snooooop!!!
optimizedSnoop();
DbpString("Done.");
DbpString("HF Snoop end");
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LED_D_OFF();
}