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encode sketch

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This commit is contained in:
merlokk 2022-07-03 00:09:55 +03:00
parent 1e91895b90
commit 3aeb745f0a
1 changed files with 45 additions and 2 deletions
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47
armsrc/hfops.c
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@ -92,8 +92,29 @@ int HfReadADC(uint32_t samplesCount, bool ledcontrol) {
}
static uint32_t HfEncodeTkm(uint8_t *uid, uint8_t modulation) {
uint32_t len = 0;
if (modulation == 0) {
// TK-13
// 74ns 1 field cycle,
// 100 field cycle = impulse (13 bytes)
// 1000 field cycle = `1` (125 bytes)
// 500 field cycle = `0` (63 bytes)
// `1` - 125, 63
// `0` - 63, 125
return 0;
len = 2;
} else {
// TK-17
// 74ns 1 field cycle,
// `00` -
// `01` -
// `10` -
// `11` -
}
return len;
}
int HfWriteTkm(uint8_t *uid, uint8_t modulation, uint32_t timeout) {
@ -110,6 +131,9 @@ int HfWriteTkm(uint8_t *uid, uint8_t modulation, uint32_t timeout) {
}
LED_C_ON();
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
SetAdcMuxFor(GPIO_MUXSEL_HIPKD);
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_SIMULATOR | FPGA_HF_SIMULATOR_MODULATE_424K);
int vHf = 0; // in mV
bool button_pressed = false;
@ -130,8 +154,27 @@ int HfWriteTkm(uint8_t *uid, uint8_t modulation, uint32_t timeout) {
continue;
}
SpinDelay(10);
for (int j = 0; j < 13;) {
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_TXRDY) {
AT91C_BASE_SSC->SSC_THR = 0xff;
j++;
}
}
for (int j = 0; j < 125;) {
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_TXRDY) {
AT91C_BASE_SSC->SSC_THR = 0x00;
j++;
}
}
for (int j = 0; j < 13;) {
if (AT91C_BASE_SSC->SSC_SR & AT91C_SSC_TXRDY) {
AT91C_BASE_SSC->SSC_THR = 0xff;
j++;
}
}
// TransmitTo15693Reader(ts->buf, ts->max, &response_time, 0, slow);
SpinDelay(100);
}
switch_off();