mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-09-20 15:26:13 +08:00
deleted test functions, clean up
This commit is contained in:
parent
473d89342b
commit
78d1e09595
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@ -1172,10 +1172,6 @@ static void PacketReceived(PacketCommandNG *packet) {
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em4x50_chk((uint8_t *)packet->data.asBytes);
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break;
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}
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case CMD_LF_EM4X50_TEST: {
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em4x50_test((em4x50_test_t *)packet->data.asBytes);
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break;
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}
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#endif
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#ifdef WITH_EM4x70
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132
armsrc/em4x50.c
132
armsrc/em4x50.c
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@ -70,37 +70,12 @@ bool gLogin = false;
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// to be able to identfiy it
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bool gWritePasswordProcess = false;
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static int em4x50_sim_send_listen_window(uint32_t *tag);
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void catch_samples(void);
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// do nothing for <period> using timer0
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static void wait_timer(uint32_t period) {
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AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
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while (AT91C_BASE_TC0->TC_CV < period);
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}
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void catch_samples(void) {
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uint8_t sample = 0;
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if (EM4X50_MAX_NO_SAMPLES > CARD_MEMORY_SIZE) {
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Dbprintf("exeeded emulator memory size");
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return;
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}
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uint8_t *em4x50_sample_buffer = BigBuf_get_addr();
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memcpy(em4x50_sample_buffer, &gHigh, 1);
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memcpy(em4x50_sample_buffer + 1, &gLow, 1);
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for (int i = 2; i < EM4X50_MAX_NO_SAMPLES + 2; i++) {
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sample = AT91C_BASE_SSC->SSC_RHR;
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memcpy(em4x50_sample_buffer + i, &sample, 1);
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wait_timer(T0); // 8µs delay
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}
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}
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// extract and check parities
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// return result of parity check and extracted plain data
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static bool extract_parities(uint64_t word, uint32_t *data) {
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@ -387,7 +362,7 @@ static void em4x50_reader_send_byte(uint8_t byte) {
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}
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}
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// send byte followed by its (equal) parity bit
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// send byte followed by its (even) parity bit
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static void em4x50_reader_send_byte_with_parity(uint8_t byte) {
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int parity = 0, bit = 0;
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@ -537,8 +512,6 @@ static bool check_ack(bool bliw) {
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if (check_pulse_length(get_pulse_length(), 2 * EM4X50_T_TAG_FULL_PERIOD)) {
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//catch_samples();
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// The received signal is either ACK or NAK.
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if (check_pulse_length(get_pulse_length(), 2 * EM4X50_T_TAG_FULL_PERIOD)) {
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@ -1245,7 +1218,7 @@ static void wait_cycles(int maxperiods) {
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}
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}
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// read single bit while simulating
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// read single bit in simulation mode
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static int em4x50_sim_read_bit(void) {
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int cycles = 0;
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@ -1292,7 +1265,7 @@ static int em4x50_sim_read_bit(void) {
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return 1;
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}
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// read byte in while simulation either with or without parity check (even)
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// read byte in simulation mode either with or without parity check (even)
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static bool em4x50_sim_read_byte(uint8_t *byte, bool paritycheck) {
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for (int i = 0; i < 8; i++) {
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@ -1318,7 +1291,7 @@ static bool em4x50_sim_read_byte(uint8_t *byte, bool paritycheck) {
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}
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// read complete word while simulating
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// read complete word in simulation mode
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static bool em4x50_sim_read_word(uint32_t *word) {
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uint8_t stop_bit = 0;
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@ -1379,7 +1352,7 @@ static int check_rm_request(uint32_t *tag) {
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return (bit != PM3_ETIMEOUT) ? PM3_SUCCESS : PM3_ETIMEOUT;
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}
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// send single listen window while simulating
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// send single listen window in simulation mode
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static int em4x50_sim_send_listen_window(uint32_t *tag) {
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SHORT_COIL();
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@ -1560,13 +1533,10 @@ static int em4x50_sim_handle_login_command(uint32_t *tag) {
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uint32_t password = 0;
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bool pwd = em4x50_sim_read_word(&password);
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// signal that reader sent the password
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LED_D_ON();
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// processing pause time (corresponds to a "1" bit)
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em4x50_sim_send_bit(1);
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// empirically determined delay (to be examined seperately)
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// empirically determined delay (to be checked in detail)
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wait_cycles(1);
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if (pwd && (password == reflect32(tag[EM4X50_DEVICE_PASSWORD]))) {
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@ -1593,7 +1563,7 @@ static int em4x50_sim_handle_reset_command(uint32_t *tag) {
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gLogin = false;
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LED_A_OFF();
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// wait for tinit
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// wait for initialization (tinit)
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wait_cycles(EM4X50_T_TAG_TINIT);
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// continue with standard read mode
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@ -1681,7 +1651,7 @@ static int em4x50_sim_handle_write_command(uint32_t *tag) {
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// EEPROM write time
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// strange: need some sort of 'waveform correction', otherwise ack signal
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// will not be detected; sending a single "1" as last "bit"" of Twee
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// will not be detected; sending a single "1" as last "bit" of Twee
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// seems to solve the problem
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wait_cycles(EM4X50_T_TAG_TWEE - EM4X50_T_TAG_FULL_PERIOD);
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em4x50_sim_send_bit(1);
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@ -1775,7 +1745,6 @@ static int em4x50_sim_handle_writepwd_command(uint32_t *tag) {
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// LED A -> operations that require authentication are possible
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// LED B -> standard read mode is active
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// LED C -> command has been transmitted by reader
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// LED D -> password has been caught from reader
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void em4x50_sim(uint32_t *password) {
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int command = PM3_ENODATA;
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@ -1858,88 +1827,3 @@ void em4x50_sim(uint32_t *password) {
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lf_finalize();
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reply_ng(CMD_LF_EM4X50_SIM, command, NULL, 0);
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}
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void em4x50_test(em4x50_test_t *ett) {
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int status = 0;
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// set field on or off
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if (ett->field != -1) {
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em4x50_setup_read();
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if (ett->field == 1) {
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LED_A_ON();
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} else {
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HIGH(GPIO_SSC_DOUT);
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LED_A_OFF();
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}
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status = ett->field;
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}
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// check field status
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if (ett->check_field) {
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em4x50_setup_sim();
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bool field_on = false;
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while (BUTTON_PRESS() == false) {
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if (!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK)) {
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if (field_on == false) {
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Dbprintf("field on");
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field_on = true;
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}
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} else if (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK){
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if (field_on == true) {
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Dbprintf("field off");
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field_on = false;
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}
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}
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}
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status = 1;
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}
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// timing values
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if (ett->cycles != 0) {
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uint32_t tval = 0;
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uint32_t tvalhigh[ett->cycles];
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uint32_t tvallow[ett->cycles];
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em4x50_setup_sim();
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while (AT91C_BASE_TC0->TC_CV > 0);
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for (int t = 0; t < ett->cycles; t++) {
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// field on -> high value
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AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
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tval = AT91C_BASE_TC0->TC_CV;
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while (!(AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK));
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tvalhigh[t] = AT91C_BASE_TC0->TC_CV - tval;
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// filed off -> zero value
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AT91C_BASE_TC0->TC_CCR = AT91C_TC_SWTRG;
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tval = AT91C_BASE_TC0->TC_CV;
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while (AT91C_BASE_PIOA->PIO_PDSR & GPIO_SSC_CLK);
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tvallow[t] = AT91C_BASE_TC0->TC_CV - tval;
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}
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for (int t = 0; t < ett->cycles; t++) {
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Dbprintf("%03i %li %li", t, tvallow[t], tvalhigh[t]);
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}
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}
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// perform reset
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if (ett->reset) {
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em4x50_setup_read();
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status = PM3_EFAILED;
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if (get_signalproperties() && find_em4x50_tag()) {
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if (reset() == PM3_SUCCESS) {
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status = 1;
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}
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}
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lf_finalize();
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}
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reply_ng(CMD_LF_EM4X50_TEST, status, NULL, 0);
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}
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@ -22,6 +22,5 @@ void em4x50_login(uint32_t *password);
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void em4x50_sim(uint32_t *password);
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void em4x50_reader(void);
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void em4x50_chk(uint8_t *filename);
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void em4x50_test(em4x50_test_t *ett);
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#endif /* EM4X50_H */
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@ -23,86 +23,6 @@
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static int CmdHelp(const char *Cmd);
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static void write_gnuplot_config_file(int gHigh, int gLow) {
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const char *fn = "../data/data.gnu";
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FILE *fp = NULL;
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if ((fp = fopen(fn, "w+")) == false) {
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PrintAndLogEx(WARNING, "Fail, open file %s", fn);
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}
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fprintf(fp, "set term qt size 1400, 350 enhanced\n");
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fprintf(fp, "set border 31 front linecolor rgb 'dark-grey' linewidth 1.000 dashtype solid\n");
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fprintf(fp, "set xtics 0, 1 textcolor rgb 'dark-grey'\n");
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fprintf(fp, "set ytics 0, 64 textcolor rgb 'dark-grey'\n");
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fprintf(fp, "set title 'EM4x50 signal (amplitude vs time)'\n");
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fprintf(fp, "set title font ',14' textcolor rgb 'white'\n");
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fprintf(fp, "set xlabel 'time / ms'\n");
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fprintf(fp, "set xlabel font ',12' textcolor rgb 'dark-grey'\n");
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fprintf(fp, "set ylabel 'amplitude'\n");
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fprintf(fp, "set ylabel font ',12' textcolor rgb 'dark-grey'\n");
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fprintf(fp, "set key textcolor 'green'\n");
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fprintf(fp, "set grid\n");
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fprintf(fp, "#set time textcolor 'dark-grey'\n");
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fprintf(fp, "plot [0:][-50:300] '../data/data.dat' u ($1/1000):2 w l linecolor 'green' title '500/4', '../data/data.dat' u ($1/1000):3 w l linecolor 'yellow' title 'gHigh = %i', '../data/data.dat' u ($1/1000):4 w l linecolor 'yellow' title 'gLow = %i'\n", gHigh, gLow);
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fprintf(fp, "pause -1\n");
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fclose(fp);
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}
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static void get_samples(void) {
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int gHigh = 0, gLow = 0;
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const char *fn = "../data/data.dat";
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FILE *fp = NULL;
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// download from BigBuf memory
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uint8_t data[EM4X50_MAX_NO_SAMPLES + 2] = {0x0};
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if (GetFromDevice(BIG_BUF, data, EM4X50_MAX_NO_SAMPLES + 2, 0, NULL, 0, NULL, 2500, false) == false) {
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PrintAndLogEx(WARNING, "Fail, transfer from device time-out");
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}
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if ((fp = fopen(fn, "w+")) == false) {
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PrintAndLogEx(WARNING, "Fail, open file %s", fn);
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}
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gHigh = data[0];
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gLow = data[1];
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for (int i = 2; i < EM4X50_MAX_NO_SAMPLES + 2; i++) {
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fprintf(fp, "%i %i %i %i\n", (i - 2) * 8, data[i], gHigh, gLow);
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}
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fclose(fp);
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write_gnuplot_config_file(gHigh, gLow);
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}
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/*
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static void get_time_samples(void) {
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const char *fn = "../data/data.dat";
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FILE *fp = NULL;
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// download from BigBuf memory
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uint32_t data[EM4X50_MAX_TIME_SAMPLES] = {0x0};
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if (GetFromDevice(BIG_BUF, (uint8_t *)data, EM4X50_MAX_TIME_SAMPLES, 0, NULL, 0, NULL, 2500, false) == false) {
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PrintAndLogEx(WARNING, "Fail, transfer from device time-out");
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}
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if ((fp = fopen(fn, "w+")) == false) {
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PrintAndLogEx(WARNING, "Fail, open file %s", fn);
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}
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for (int i = 0; i < EM4X50_MAX_TIME_SAMPLES; i++) {
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PrintAndLogEx(INFO, "%i %"PRIu32"", i, data[i]);
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fprintf(fp, "%i %"PRIu32"\n", i, data[i]);
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}
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fclose(fp);
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}
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*/
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static void prepare_result(const uint8_t *data, int fwr, int lwr, em4x50_word_t *words) {
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// restructure received result in "em4x50_word_t" structure
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@ -423,8 +343,6 @@ int CmdEM4x50Login(const char *Cmd) {
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else
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PrintAndLogEx(FAILED, "Login " _RED_("failed"));
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get_samples();
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return resp.status;
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}
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@ -1275,81 +1193,6 @@ int CmdEM4x50Sim(const char *Cmd) {
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return resp.status;
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}
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int CmdEM4x50Test(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "lf em 4x50 test",
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"perform EM4x50 tests.",
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"lf em 4x50 test --field on -> reader field on\n"
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"lf em 4x50 test --field off -> reader field off\n"
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"lf em 4x50 test --check -> check on/off status of reader field\n"
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"lf em 4x50 test --cycles 100 -> measure time of 100 field cycles\n"
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"lf em 4x50 test --reset -> intitiate reset command\n"
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);
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void *argtable[] = {
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arg_param_begin,
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arg_str0(NULL, "field", "on/off", "field on/off"),
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arg_lit0(NULL, "check", "check if field is on or off"),
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arg_int0(NULL, "cycles", "<dec>", "number of field cycles"),
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arg_lit0(NULL, "reset", "initiates a manual reset command"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, true);
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// option: field
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int slen = 0;
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char format[3] = {0};
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CLIParamStrToBuf(arg_get_str(ctx, 1), (uint8_t *)format, sizeof(format), &slen);
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em4x50_test_t ett = {.field = -1};
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if (slen != 0) {
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if (strcmp(format, "on") == 0) {
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ett.field = 1;
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} else if (strcmp(format, "off") == 0) {
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ett.field = 0;
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} else {
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PrintAndLogEx(INFO, "Unknown option for --field: %s", format);
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return PM3_ESOFT;
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}
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}
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// option: check_field
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ett.check_field = arg_get_lit(ctx, 2);
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// option: cycles
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ett.cycles = arg_get_int_def(ctx, 3, 0);
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// option: reset
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ett.reset = arg_get_lit(ctx, 4);
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CLIParserFree(ctx);
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// start
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clearCommandBuffer();
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PacketResponseNG resp;
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SendCommandNG(CMD_LF_EM4X50_TEST, (uint8_t *)&ett, sizeof(ett));
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WaitForResponse(CMD_LF_EM4X50_TEST, &resp);
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// print response
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if (resp.status == 1) {
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if (ett.field == 1)
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PrintAndLogEx(SUCCESS, "Field switched " _GREEN_("on"));
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if (ett.check_field == 1)
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PrintAndLogEx(SUCCESS, "Field status evaluated");
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if (ett.reset == 1)
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PrintAndLogEx(SUCCESS, "reset command " _GREEN_("ok"));
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} else if (resp.status == 0) {
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if (ett.field == 1)
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PrintAndLogEx(SUCCESS, "Field switched " _GREEN_("off"));
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if (ett.reset == 1)
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PrintAndLogEx(SUCCESS, "reset command " _GREEN_("failed"));
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} else if (resp.status == -1) {
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PrintAndLogEx(INFO, "Nothing done");
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} else {
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PrintAndLogEx(FAILED, "Test call " _RED_("failed"));
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}
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return resp.status;
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}
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static command_t CommandTable[] = {
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{"help", CmdHelp, AlwaysAvailable, "This help"},
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{"brute", CmdEM4x50Brute, IfPm3EM4x50, "guess password of EM4x50"},
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@ -1367,7 +1210,6 @@ static command_t CommandTable[] = {
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{"eload", CmdEM4x50ELoad, IfPm3EM4x50, "upload dump of EM4x50 to emulator memory"},
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{"esave", CmdEM4x50ESave, IfPm3EM4x50, "save emulator memory to file"},
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{"eview", CmdEM4x50EView, IfPm3EM4x50, "view EM4x50 content in emulator memory"},
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{"test", CmdEM4x50Test, IfPm3EM4x50, "perform EM4x50 tests"},
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{NULL, NULL, NULL, NULL}
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};
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@ -34,6 +34,5 @@ int CmdEM4x50ELoad(const char *Cmd);
|
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int CmdEM4x50ESave(const char *Cmd);
|
||||
int CmdEM4x50Chk(const char *Cmd);
|
||||
int CmdEM4x50EView(const char *Cmd);
|
||||
int CmdEM4x50Test(const char *Cmd);
|
||||
|
||||
#endif
|
||||
|
|
|
@ -36,8 +36,6 @@
|
|||
// misc
|
||||
#define TIMEOUT 2000
|
||||
#define DUMP_FILESIZE 136
|
||||
#define EM4X50_MAX_NO_SAMPLES 1000
|
||||
#define EM4X50_MAX_TIME_SAMPLES 1000
|
||||
|
||||
#define BYTES2UINT32(x) ((x[0] << 24) | (x[1] << 16) | (x[2] << 8) | (x[3]))
|
||||
|
||||
|
@ -50,13 +48,6 @@ typedef struct {
|
|||
uint32_t addresses;
|
||||
} PACKED em4x50_data_t;
|
||||
|
||||
typedef struct {
|
||||
bool check_field;
|
||||
bool reset;
|
||||
int field;
|
||||
int cycles;
|
||||
} PACKED em4x50_test_t;
|
||||
|
||||
typedef struct {
|
||||
uint8_t byte[4];
|
||||
} PACKED em4x50_word_t;
|
||||
|
|
|
@ -516,7 +516,6 @@ typedef struct {
|
|||
#define CMD_LF_EM4X50_READER 0x0251
|
||||
#define CMD_LF_EM4X50_ESET 0x0252
|
||||
#define CMD_LF_EM4X50_CHK 0x0253
|
||||
#define CMD_LF_EM4X50_TEST 0x0254
|
||||
#define CMD_LF_EM4X70_INFO 0x0260
|
||||
#define CMD_LF_EM4X70_WRITE 0x0261
|
||||
#define CMD_LF_EM4X70_UNLOCK 0x0262
|
||||
|
|
Loading…
Reference in a new issue