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fix: lf em 4x05 - use correct paritytest (@marshmellow)\nchg: lf em 4x05_read\n chg: lf em 4x05_write - uses NG

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This commit is contained in:
iceman1001 2019-05-28 05:15:12 -04:00
commit 74fb740c21
8 changed files with 115 additions and 66 deletions
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29
armsrc/lfops.c
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@ -901,6 +901,12 @@ static void stAskSimBit(int *n, uint8_t clock) {
memset(dest + (*n) + clock * 3, 1, clock);
*n += clock * 4;
}
static void leadingZeroAskSimBits(int *n, uint8_t clock) {
uint8_t *dest = BigBuf_get_addr();
memset(dest + (*n), 0, clock * 8);
*n += clock * 8;
}
// args clock, ask/man or askraw, invert, transmission separator
void CmdASKsimTAG(uint8_t encoding, uint8_t invert, uint8_t separator, uint8_t clk, uint16_t size, uint8_t *bits, bool ledcontrol) {
@ -909,23 +915,25 @@ void CmdASKsimTAG(uint8_t encoding, uint8_t invert, uint8_t separator, uint8_t c
int n = 0, i = 0;
leadingZeroAskSimBits(&n, clk);
if (encoding == 2) { //biphase
uint8_t phase = 0;
for (i = 0; i < size; i++) {
biphaseSimBit(bits[i]^invert, &n, clk, &phase);
biphaseSimBit(bits[i] ^ invert, &n, clk, &phase);
}
if (phase == 1) { //run a second set inverted to keep phase in check
for (i = 0; i < size; i++) {
biphaseSimBit(bits[i]^invert, &n, clk, &phase);
biphaseSimBit(bits[i] ^ invert, &n, clk, &phase);
}
}
} else { // ask/manchester || ask/raw
for (i = 0; i < size; i++) {
askSimBit(bits[i]^invert, &n, clk, encoding);
askSimBit(bits[i] ^ invert, &n, clk, encoding);
}
if (encoding == 0 && bits[0] == bits[size - 1]) { //run a second set inverted (for ask/raw || biphase phase)
for (i = 0; i < size; i++) {
askSimBit(bits[i]^invert ^ 1, &n, clk, encoding);
askSimBit(bits[i] ^ invert ^ 1, &n, clk, encoding);
}
}
}
@ -1202,7 +1210,7 @@ void CmdEM410xdemod(int findone, uint32_t *high, uint64_t *low, int ledcontrol)
errCnt = askdemod(dest, &size, &clk, &invert, maxErr, 0, 1);
WDT_HIT();
if (errCnt < 0) continue;
if (errCnt > 50) continue;
errCnt = Em410xDecode(dest, &size, &idx, &hi, &lo);
if (errCnt == 1) {
@ -2030,16 +2038,13 @@ void EM4xReadWord(uint8_t addr, uint32_t pwd, uint8_t usepwd) {
DoPartialAcquisition(20, true, 6000, 1000);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
reply_old(CMD_ACK, 0, 0, 0, 0, 0);
reply_ng(CMD_EM4X_READ_WORD, PM3_SUCCESS, NULL, 0);
LED_A_OFF();
}
void EM4xWriteWord(uint32_t flag, uint32_t data, uint32_t pwd) {
void EM4xWriteWord(uint8_t addr, uint32_t data, uint32_t pwd, uint8_t usepwd) {
LED_A_ON();
bool usePwd = (flag & 0xF);
uint8_t addr = (flag >> 8) & 0xFF;
uint8_t len;
//clear buffer now so it does not interfere with timing later
@ -2051,7 +2056,7 @@ void EM4xWriteWord(uint32_t flag, uint32_t data, uint32_t pwd) {
* 0000 1010 ok.
* 0000 0001 fail
**/
if (usePwd) EM4xLogin(pwd);
if (usepwd) EM4xLogin(pwd);
forward_ptr = forwardLink_data;
len = Prepare_Cmd(FWD_CMD_WRITE);
@ -2066,7 +2071,7 @@ void EM4xWriteWord(uint32_t flag, uint32_t data, uint32_t pwd) {
DoPartialAcquisition(20, true, 6000, 1000);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
reply_old(CMD_ACK, 0, 0, 0, 0, 0);
reply_ng(CMD_EM4X_WRITE_WORD, PM3_SUCCESS, NULL, 0);
LED_A_OFF();
}