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NFC: Fix NDEF parser for MIFARE Classic (#4153)

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* Add div() to API

* Revert "Add div() to API"

This reverts commit e03b5c42449365735ce3d2fc73a4e801c4d5f91f.

* Use / and %

* NFC: More MFC NDEF fixes

* Simplify duplicated code in MFC data generator

* NFC: Print NDEF hex data with pretty format

* NFC: Consider NDEF strings with last \0 byte as text

* Pretty Format: Add padding to last line to keep table width

---------

Co-authored-by: hedger <hedger@users.noreply.github.com>
This commit is contained in:
WillyJL
2025-03-31 20:34:54 +00:00
committed by GitHub
parent f6916fe616
commit 0eb3fc33dd
3 changed files with 49 additions and 56 deletions
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36
lib/nfc/helpers/nfc_data_generator.c
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@@ -392,37 +392,15 @@ static void nfc_generate_mf_classic(NfcDevice* nfc_device, uint8_t uid_len, MfCl
mf_classic_set_block_read(mfc_data, 0, &mfc_data->block[0]);
// Set every block to 0x00
uint16_t block_num = mf_classic_get_total_block_num(type);
if(type == MfClassicType4k) {
// Set every block to 0x00
for(uint16_t i = 1; i < block_num; i++) {
if(mf_classic_is_sector_trailer(i)) {
nfc_generate_mf_classic_sector_trailer(mfc_data, i);
} else {
memset(&mfc_data->block[i].data, 0x00, 16);
}
mf_classic_set_block_read(mfc_data, i, &mfc_data->block[i]);
}
} else if(type == MfClassicType1k) {
// Set every block to 0x00
for(uint16_t i = 1; i < block_num; i++) {
if(mf_classic_is_sector_trailer(i)) {
nfc_generate_mf_classic_sector_trailer(mfc_data, i);
} else {
memset(&mfc_data->block[i].data, 0x00, 16);
}
mf_classic_set_block_read(mfc_data, i, &mfc_data->block[i]);
}
} else if(type == MfClassicTypeMini) {
// Set every block to 0x00
for(uint16_t i = 1; i < block_num; i++) {
if(mf_classic_is_sector_trailer(i)) {
nfc_generate_mf_classic_sector_trailer(mfc_data, i);
} else {
memset(&mfc_data->block[i].data, 0x00, 16);
}
mf_classic_set_block_read(mfc_data, i, &mfc_data->block[i]);
for(uint16_t i = 1; i < block_num; i++) {
if(mf_classic_is_sector_trailer(i)) {
nfc_generate_mf_classic_sector_trailer(mfc_data, i);
} else {
memset(&mfc_data->block[i].data, 0x00, MF_CLASSIC_BLOCK_SIZE);
}
mf_classic_set_block_read(mfc_data, i, &mfc_data->block[i]);
}
nfc_generate_mf_classic_block_0(