#define RWD_TIME_1 120 // READER_TIME_PAUSE 20us off, 80us on = 100us 80 * 1.5 == 120ticks
#define RWD_TIME_0 60 // READER_TIME_PAUSE 20us off, 40us on = 60us 40 * 1.5 == 60ticks
#define RWD_TIME_PAUSE 30 // 20us == 20 * 1.5 == 30ticks */
-#define TAG_BIT_PERIOD 143 // 100us == 100 * 1.5 == 150ticks
+#define TAG_BIT_PERIOD 142 // 100us == 100 * 1.5 == 150ticks
#define TAG_FRAME_WAIT 495 // 330us from READER frame end to TAG frame start. 330 * 1.5 == 495
#define RWD_TIME_FUZZ 20 // rather generous 13us, since the peak detector + hysteresis fuzz quite a bit
int LegicRfReader(uint16_t offset, uint16_t len, uint8_t iv) {
- len &= 0x3FF;
-
uint16_t i = 0;
uint8_t isOK = 1;
legic_card_select_t card;
setup_phase_reader(iv);
LED_B_ON();
- while (i < len) {
+ while (i <= len) {
int r = legic_read_byte(offset + i, card.cmdsize);
if (r == -1 || BUTTON_PRESS()) {
// OUT-OF-BOUNDS check
if ( len + offset > MAX_LENGTH ) {
len = MAX_LENGTH - offset;
- PrintAndLog("Out-of-bound, shorten len to %d", len);
+ PrintAndLog("Out-of-bound, shorten len to %d (0x%02X)", len);
}
if ( (IV & 0x7F) != IV ){
IV |= 0x01;
PrintAndLog("LSB of IV must be SET");
}
-
- //PrintAndLog("Using IV: 0x%02x", IV);
UsbCommand c = {CMD_READER_LEGIC_RF, {offset, len, IV}};
clearCommandBuffer();
SendCommand(&c);
UsbCommand resp;
- if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
uint8_t isOK = resp.arg[0] & 0xFF;
- uint16_t readlen = resp.arg[1] & 0x3FF;
+ uint16_t readlen = resp.arg[1];
if ( isOK ) {
uint8_t *data = malloc(readlen);
// copy data from device
GetEMLFromBigBuf(data, readlen, 0);
- if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000)){
+ if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2500)){
PrintAndLog("Command execute timeout");
if ( data )
free(data);
// OUT-OF-BOUNDS check
if ( len + offset > MAX_LENGTH ) {
len = MAX_LENGTH - offset;
- PrintAndLog("Out-of-bound, shorten len to %d", len);
+ PrintAndLog("Out-of-bound, shorten len to %d (0x%02X)", len);
}
if ( (IV & 0x7F) != IV ){
IV &= 0x7F;
// OUT-OF-BOUNDS check
if ( offset > MAX_LENGTH ) {
- offset = MAX_LENGTH;
- PrintAndLog("Out-of-bound, shorten len to %d", offset);
+ PrintAndLog("Out-of-bound, offset");
+ return 1;
}
if ( (IV & 0x7F) != IV ){