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Filter out false card ids from faulty module

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whowechina 2024-06-11 21:35:54 +08:00
parent cae146ec96
commit 01b141db53
2 changed files with 9 additions and 0 deletions
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Production/Firmware/aic_pico.uf2
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firmware/src/main.c
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@ -199,6 +199,15 @@ static void cardio_run()
nfc_card_t card = nfc_detect_card(); nfc_card_t card = nfc_detect_card();
nfc_rf_field(false); nfc_rf_field(false);
/* Double check ID, some module gives random false data */
nfc_rf_field(true);
nfc_card_t card_confirm = nfc_detect_card();
nfc_rf_field(false);
if (memcmp(&card, &card_confirm, sizeof(card)) != 0) {
return;
}
if (memcmp(&old_card, &card, sizeof(old_card)) == 0) { if (memcmp(&old_card, &card, sizeof(old_card)) == 0) {
return; return;
} }