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Add EM 4x05 Login

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This commit is contained in:
Philippe Teuwen 2020-10-18 23:46:36 +02:00
commit 95bf65cda9
5 changed files with 87 additions and 55 deletions
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31
armsrc/lfops.c
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@ -2501,7 +2501,7 @@ static void SendForward(uint8_t fwd_bit_count) {
}
}
static void EM4xLogin(uint32_t pwd) {
static void EM4xLoginEx(uint32_t pwd) {
forward_ptr = forwardLink_data;
uint8_t len = Prepare_Cmd(FWD_CMD_LOGIN);
len += Prepare_Data(pwd & 0xFFFF, pwd >> 16);
@ -2512,6 +2512,29 @@ static void EM4xLogin(uint32_t pwd) {
// 0000 0001 fail
}
void EM4xLogin(uint32_t pwd) {
StartTicks();
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
WaitMS(20);
LED_A_ON();
// clear buffer now so it does not interfere with timing later
BigBuf_Clear_ext(false);
EM4xLoginEx(pwd);
WaitUS(400);
DoPartialAcquisition(20, false, 1000, 1000);
StopTicks();
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
reply_ng(CMD_LF_EM4X_LOGIN, PM3_SUCCESS, NULL, 0);
LEDsoff();
}
void EM4xReadWord(uint8_t addr, uint32_t pwd, uint8_t usepwd) {
StartTicks();
@ -2529,7 +2552,7 @@ void EM4xReadWord(uint8_t addr, uint32_t pwd, uint8_t usepwd) {
* 0000 1010 ok
* 0000 0001 fail
**/
if (usepwd) EM4xLogin(pwd);
if (usepwd) EM4xLoginEx(pwd);
forward_ptr = forwardLink_data;
uint8_t len = Prepare_Cmd(FWD_CMD_READ);
@ -2564,7 +2587,7 @@ void EM4xWriteWord(uint8_t addr, uint32_t data, uint32_t pwd, uint8_t usepwd) {
* 0000 1010 ok.
* 0000 0001 fail
**/
if (usepwd) EM4xLogin(pwd);
if (usepwd) EM4xLoginEx(pwd);
forward_ptr = forwardLink_data;
uint8_t len = Prepare_Cmd(FWD_CMD_WRITE);
@ -2607,7 +2630,7 @@ void EM4xProtectWord(uint32_t data, uint32_t pwd, uint8_t usepwd) {
* 0000 1010 ok.
* 0000 0001 fail
**/
if (usepwd) EM4xLogin(pwd);
if (usepwd) EM4xLoginEx(pwd);
forward_ptr = forwardLink_data;
uint8_t len = Prepare_Cmd(FWD_CMD_PROTECT);