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Update hfsnoop.c

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chg:  enabled snooping function to break on receiving a usbpackage.
This commit is contained in:
Iceman 2017-06-25 19:39:45 +02:00 committed by GitHub
parent e7fd9f5ff4
commit 06ed826c01
1 changed files with 8 additions and 12 deletions
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20
armsrc/hfsnoop.c
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@ -19,7 +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 + 1;
dest++;
}
}
//Resetting Frame mode (First set in fpgaloader.c)
@ -28,7 +28,9 @@ static void RAMFUNC optimizedSnoop(void)
void HfSnoop(int samplesToSkip, int triggersToSkip)
{
Dbprintf("Skipping first %d sample pairs, Skipping %d triggers.", samplesToSkip, triggersToSkip);
BigBuf_free(); BigBuf_Clear();
Dbprintf("Skipping first %d sample pairs, Skipping %d triggers.\n", samplesToSkip, triggersToSkip);
int trigger_cnt;
LED_D_ON();
// Select correct configs
@ -40,23 +42,18 @@ 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;
r = MAX(r & 0xff, r >> 8);
if (r >= 240)
{
if (++trigger_cnt > triggersToSkip) {
if (r >= 240) {
if (++trigger_cnt > triggersToSkip)
break;
}
}
}
}
@ -64,9 +61,8 @@ void HfSnoop(int samplesToSkip, int triggersToSkip)
if(!BUTTON_PRESS()) {
int waitcount = samplesToSkip; // lets wait 40000 ticks of pck0
while(waitcount != 0) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY))
waitcount--;
}
}
optimizedSnoop();
Dbprintf("Trigger kicked! Value: %d, Dumping Samples Hispeed now.", r);