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clean up

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iceman1001 2019-03-11 19:31:18 +01:00
commit ea53e1f981
1 changed files with 9 additions and 11 deletions
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20
armsrc/lfsampling.c
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@ -239,7 +239,9 @@ uint32_t ReadLF(bool activeField, bool silent, int sample_size) {
if (!silent) if (!silent)
printConfig(); printConfig();
LFSetupFPGAForADC(config.divisor, activeField); LFSetupFPGAForADC(config.divisor, activeField);
return DoAcquisition_config(silent, sample_size); uint32_t ret = DoAcquisition_config(silent, sample_size);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
return ret;
} }
/** /**
@ -248,9 +250,7 @@ uint32_t ReadLF(bool activeField, bool silent, int sample_size) {
**/ **/
uint32_t SampleLF(bool printCfg, int sample_size) { uint32_t SampleLF(bool printCfg, int sample_size) {
BigBuf_Clear_ext(false); BigBuf_Clear_ext(false);
uint32_t ret = ReadLF(true, printCfg, sample_size); return ReadLF(true, printCfg, sample_size);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
return ret;
} }
/** /**
* Initializes the FPGA for snoop-mode (field off), and acquires the samples. * Initializes the FPGA for snoop-mode (field off), and acquires the samples.
@ -258,9 +258,7 @@ uint32_t SampleLF(bool printCfg, int sample_size) {
**/ **/
uint32_t SnoopLF() { uint32_t SnoopLF() {
BigBuf_Clear_ext(false); BigBuf_Clear_ext(false);
uint32_t ret = ReadLF(false, true, 0); return ReadLF(false, true, 0);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
return ret;
} }
/** /**
@ -355,7 +353,6 @@ void doCotagAcquisition(size_t sample_size) {
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) { if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) {
sample = (uint8_t)AT91C_BASE_SSC->SSC_RHR; sample = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
LED_D_OFF();
// find first peak // find first peak
if (!firsthigh) { if (!firsthigh) {
@ -406,7 +403,6 @@ uint32_t doCotagAcquisitionManchester() {
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) { if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_RXRDY) {
sample = (uint8_t)AT91C_BASE_SSC->SSC_RHR; sample = (uint8_t)AT91C_BASE_SSC->SSC_RHR;
LED_D_OFF();
// find first peak // find first peak
if (!firsthigh) { if (!firsthigh) {
@ -431,10 +427,12 @@ uint32_t doCotagAcquisitionManchester() {
if (sample > COTAG_ONE_THRESHOLD) { if (sample > COTAG_ONE_THRESHOLD) {
prev = curr; prev = curr;
curr = 1; curr = 1;
} else if (sample < COTAG_ZERO_THRESHOLD) { }
else if ( sample < COTAG_ZERO_THRESHOLD) {
prev = curr; prev = curr;
curr = 0; curr = 0;
} else { }
else {
curr = prev; curr = prev;
} }