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magsafe iterates 7a/7b/7c/7d for wupa

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This commit is contained in:
iceman1001 2021-10-23 20:45:46 +02:00
commit 982e669a77
3 changed files with 19 additions and 3 deletions
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12
armsrc/iso14443a.c
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@ -2437,8 +2437,9 @@ static int GetATQA(uint8_t *resp, uint8_t *resp_par, bool use_ecp, bool use_mags
// 0x7A - MAGESAFE WAKE UP
uint8_t wupa[] = { ISO14443A_CMD_WUPA };
// if magsafe, set it outofbounds
if (use_magsafe) {
wupa[0] = MAGSAFE_CMD_WUPA;
wupa[0] = MAGSAFE_CMD_WUPA_4;
}
uint32_t save_iso14a_timeout = iso14a_get_timeout();
@ -2455,6 +2456,15 @@ static int GetATQA(uint8_t *resp, uint8_t *resp_par, bool use_ecp, bool use_mags
SpinDelay(ECP_DELAY);
}
if (use_magsafe) {
if (wupa[0] == MAGSAFE_CMD_WUPA_4) {
wupa[0] = MAGSAFE_CMD_WUPA_1;
} else {
wupa[0]++;
}
}
// Broadcast for a card, WUPA (0x52) will force response from all cards in the field
ReaderTransmitBitsPar(wupa, 7, NULL, NULL);
// Receive the ATQA