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initial commit to be in sync the-soon-defunct repo pm3rdv40.
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commit
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34 changed files with 709 additions and 508 deletions
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@ -29,28 +29,31 @@ void HfSnoop(int samplesToSkip, int triggersToSkip)
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BigBuf_free(); BigBuf_Clear();
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Dbprintf("Skipping first %d sample pairs, Skipping %d triggers.\n", samplesToSkip, triggersToSkip);
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int trigger_cnt;
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int trigger_cnt = 0;
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LED_D_ON();
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// Select correct configs
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FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
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SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
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// Set up the synchronous serial port
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FpgaSetupSsc();
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// connect Demodulated Signal to ADC:
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SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
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// Setting Frame Mode For better performance on high speed data transfer.
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AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(16);
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FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SNOOP);
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SpinDelay(100);
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AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(16); // Setting Frame Mode For better performance on high speed data transfer.
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trigger_cnt = 0;
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uint16_t r = 0;
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while (!BUTTON_PRESS() && !usb_poll_validate_length() ) {
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WDT_HIT();
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if (AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
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r = (uint16_t)AT91C_BASE_SSC->SSC_RHR;
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r = MAX(r & 0xff, r >> 8);
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if (r >= 180) {
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if (r >= 180) { // 0xB4 ??
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if (++trigger_cnt > triggersToSkip)
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break;
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}
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@ -75,4 +78,3 @@ void HfSnoop(int samplesToSkip, int triggersToSkip)
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FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
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LED_D_OFF();
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}
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