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ADD: @piwi's fixes to "hf snoop" where it empties the bigbuffer before snooping.

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This commit is contained in:
iceman1001 2015-11-09 21:48:09 +01:00
parent 91d62a18fb
commit 7c5f2ced5b
1 changed files with 11 additions and 7 deletions
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18
armsrc/hfsnoop.c
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@ -7,7 +7,6 @@ static void RAMFUNC optimizedSnoop(void);
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();
@ -20,7 +19,7 @@ static void RAMFUNC optimizedSnoop(void)
if(AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY)
{
*dest = (uint16_t)(AT91C_BASE_SSC->SSC_RHR);
dest++;
dest = dest + 1;
}
}
//Resetting Frame mode (First set in fpgaloader.c)
@ -41,24 +40,28 @@ void HfSnoop(int samplesToSkip, int triggersToSkip)
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SNOOP);
SpinDelay(100);
BigBuf_free();
BigBuf_Clear();
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 = 0;
while(!BUTTON_PRESS()) {
while(!BUTTON_PRESS() && !usb_poll_validate_length() ) {
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))
r = MAX(r & 0xff, r >> 8);
if (r >= 240)
{
Dbprintf("Trigger kicked! Value: %d.", r >> 8);
trigger_cnt++;
if (++trigger_cnt > triggersToSkip) {
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)) {
@ -66,6 +69,7 @@ void HfSnoop(int samplesToSkip, int triggersToSkip)
}
}
optimizedSnoop();
Dbprintf("Trigger kicked! Value: %d, Dumping Samples Hispeed now.", r);
}
DbpString("HF Snoop end");