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After testing and verification its found that the SHALLOW MODULATION in HF is not working well in RDV4. Swapping from PWR_OE4 to PWR_OE1 makes it much better. Thanks to @d18c7db for solution and @gentlekiwi for testing and never giving up on finding the bug

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This commit is contained in:
iceman1001 2023-08-28 12:00:44 +02:00
commit 114dda1582
11 changed files with 24 additions and 2 deletions
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9
armsrc/iso14443b.c
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@ -1407,7 +1407,11 @@ static void TransmitFor14443b_AsReader(uint32_t *start_time) {
tosend_t *ts = get_tosend();
#ifdef RDV4
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_MODE_SEND_SHALLOW_MOD_RDV4);
#else
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_MODE_SEND_SHALLOW_MOD);
#endif
// TR2 minimum 14 ETUs
if (*start_time < ISO14B_TR0) {
@ -2102,7 +2106,12 @@ void iso14443b_setup(void) {
FpgaSetupSsc(FPGA_MAJOR_MODE_HF_READER);
// Signal field is on with the appropriate LED
#ifdef RDV4
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_MODE_SEND_SHALLOW_MOD_RDV4);
#else
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_READER | FPGA_HF_READER_MODE_SEND_SHALLOW_MOD);
#endif
SpinDelay(100);
// Start the timer