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add support for S(WTX) request in iso14443_4a_poller (#3590)

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Co-authored-by: gornekich <n.gorbadey@gmail.com>
Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
Leopold 2024-04-19 20:11:22 +08:00 committed by GitHub
parent 0d73a58123
commit 286fd796e7
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GPG Key ID: B5690EEEBB952194
1 changed files with 32 additions and 2 deletions
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34
lib/nfc/protocols/iso14443_4a/iso14443_4a_poller_i.c
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@ -7,6 +7,10 @@
#define TAG "Iso14443_4aPoller"
#define ISO14443_4A_FSDI_256 (0x8U)
#define ISO14443_4A_FWT_MAX (4096UL << 14)
#define ISO14443_4A_WTXM_MASK (0x3FU)
#define ISO14443_4A_WTXM_MAX (0x3BU)
#define ISO14443_4A_SWTX (0xF2U)
Iso14443_4aError iso14443_4a_poller_halt(Iso14443_4aPoller* instance) {
furi_check(instance);
@ -74,9 +78,35 @@ Iso14443_4aError iso14443_4a_poller_send_block(
if(iso14443_3a_error != Iso14443_3aErrorNone) {
error = iso14443_4a_process_error(iso14443_3a_error);
break;
}
} else if(!iso14443_4_layer_decode_block(
instance->iso14443_4_layer, rx_buffer, instance->rx_buffer)) {
if(bit_buffer_starts_with_byte(instance->rx_buffer, ISO14443_4A_SWTX)) {
do {
uint8_t wtxm = bit_buffer_get_byte(instance->rx_buffer, 1) & ISO14443_4A_WTXM_MASK;
if(wtxm > ISO14443_4A_WTXM_MAX) {
return Iso14443_4aErrorProtocol;
}
bit_buffer_reset(instance->tx_buffer);
bit_buffer_copy_left(instance->tx_buffer, instance->rx_buffer, 1);
bit_buffer_append_byte(instance->tx_buffer, wtxm);
iso14443_3a_error = iso14443_3a_poller_send_standard_frame(
instance->iso14443_3a_poller,
instance->tx_buffer,
instance->rx_buffer,
MAX(iso14443_4a_get_fwt_fc_max(instance->data) * wtxm, ISO14443_4A_FWT_MAX));
if(iso14443_3a_error != Iso14443_3aErrorNone) {
error = iso14443_4a_process_error(iso14443_3a_error);
return error;
}
} while(bit_buffer_starts_with_byte(instance->rx_buffer, ISO14443_4A_SWTX));
}
if(!iso14443_4_layer_decode_block(
instance->iso14443_4_layer, rx_buffer, instance->rx_buffer)) {
error = Iso14443_4aErrorProtocol;
break;
}