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added simple sim functionality for em4x50 (+ some minor corrections)

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This commit is contained in:
tharexde 2020-10-26 22:13:07 +01:00
commit d034d640fc
1 changed files with 33 additions and 4 deletions
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37
armsrc/em4x50.c
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@ -112,6 +112,16 @@ static void em4x50_setup_read(void) {
WDT_HIT();
}
static void em4x50_setup_sim(void) {
FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT);
FpgaSendCommand(FPGA_CMD_SET_DIVISOR, LF_DIVISOR_125);
AT91C_BASE_PIOA->PIO_PER = GPIO_SSC_DOUT | GPIO_SSC_CLK;
AT91C_BASE_PIOA->PIO_OER = GPIO_SSC_DOUT;
AT91C_BASE_PIOA->PIO_ODR = GPIO_SSC_CLK;
}
// functions for "reader" use case
static bool get_signalproperties(void) {
@ -1175,7 +1185,7 @@ void em4x50_reset(void) {
status = reset();
lf_finalize();
reply_ng(CMD_ACK, status, 0, 0);
reply_ng(CMD_LF_EM4X50_RESET, status, 0, 0);
}
void em4x50_login(uint32_t *password) {
@ -1191,7 +1201,7 @@ void em4x50_login(uint32_t *password) {
status = login(*password);
lf_finalize();
reply_ng(CMD_ACK, status, 0, 0);
reply_ng(CMD_LF_EM4X50_LOGIN, status, 0, 0);
}
static bool brute(uint32_t start, uint32_t stop, uint32_t *pwd) {
@ -1247,7 +1257,7 @@ void em4x50_brute(em4x50_data_t *etd) {
bsuccess = brute(etd->password1, etd->password2, &pwd);
lf_finalize();
reply_ng(CMD_ACK, bsuccess, (uint8_t *)(&pwd), 32);
reply_ng(CMD_LF_EM4X50_BRUTE, bsuccess, (uint8_t *)(&pwd), 32);
}
void em4x50_watch() {
@ -1284,7 +1294,7 @@ void em4x50_watch() {
LOW(GPIO_SSC_DOUT);
lf_finalize();
reply_ng(CMD_ACK, 1, 0, 0);
reply_ng(CMD_LF_EM4X50_WATCH, 1, 0, 0);
}
//==============================================================================
@ -1385,3 +1395,22 @@ void em4x50_restore(em4x50_data_t *etd) {
lf_finalize();
reply_ng(CMD_LF_EM4X50_RESTORE, status, 0, 0);
}
void em4x50_sim(uint32_t *word) {
// simulate word (e.g. UID)
em4x50_setup_sim();
while (!BUTTON_PRESS()) {
WDT_HIT();
em4x50_sim_send_listen_window();
em4x50_sim_send_listen_window();
em4x50_sim_send_word(*word);
}
lf_finalize();
reply_ng(CMD_LF_EM4X50_SIM, 1, 0, 0);
}