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FIX: 'hf 15 *' commands - the demod should work better now and as a bonus I've added some tracelogging. The timer is not quite correct yet but its a start.

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sample:
   hf 15 reader
   hf list raw
This commit is contained in:
iceman1001 2017-09-04 13:56:57 +02:00
commit ec07e2e006
7 changed files with 427 additions and 451 deletions
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14
armsrc/iso14443b.c
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@ -1020,12 +1020,12 @@ static void TransmitFor14443b_AsReader(void) {
// AT91C_BASE_SSC->SSC_THR = 0XFF;
// }
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX | FPGA_HF_READER_TX_SHALLOW_MOD);
SpinDelay(40);
int c;
volatile uint32_t b;
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER_TX | FPGA_HF_READER_TX_SHALLOW_MOD);
SpinDelay(40);
// What does this loop do? Is it TR1?
// 0xFF = 8 bits of 1. 1 bit == 1Etu,..
// loop 10 * 8 = 80 ETU of delay, with a non modulated signal. why?
@ -1036,8 +1036,7 @@ static void TransmitFor14443b_AsReader(void) {
++c;
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
b = AT91C_BASE_SSC->SSC_RHR;
(void)b;
b = AT91C_BASE_SSC->SSC_RHR; (void)b;
}
}
@ -1047,8 +1046,7 @@ static void TransmitFor14443b_AsReader(void) {
AT91C_BASE_SSC->SSC_THR = ToSend[c++];
}
if(AT91C_BASE_SSC->SSC_SR & (AT91C_SSC_RXRDY)) {
b = AT91C_BASE_SSC->SSC_RHR;
(void)b;
b = AT91C_BASE_SSC->SSC_RHR; (void)b;
}
}
//WaitForFpgaDelayQueueIsEmpty(delay);