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mf desfire: rework reading long record files

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This commit is contained in:
gornekich 2024-04-25 20:01:32 +01:00
parent f544aa8eb6
commit 0e3cbb4911
1 changed files with 14 additions and 24 deletions
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38
lib/nfc/protocols/mf_desfire/mf_desfire_poller_i.c
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@ -327,9 +327,10 @@ MfDesfireError mf_desfire_poller_read_file_settings_multi(
return error;
}
MfDesfireError mf_desfire_poller_read_file_data(
static MfDesfireError mf_desfire_poller_read_file(
MfDesfirePoller* instance,
MfDesfireFileId id,
uint8_t read_cmd,
uint32_t offset,
size_t size,
MfDesfireFileData* data) {
@ -346,7 +347,7 @@ MfDesfireError mf_desfire_poller_read_file_data(
while(bytes_read < size) {
size_t bytes_to_read = MIN(buffer_capacity, size - bytes_read);
bit_buffer_reset(instance->input_buffer);
bit_buffer_append_byte(instance->input_buffer, MF_DESFIRE_CMD_READ_DATA);
bit_buffer_append_byte(instance->input_buffer, read_cmd);
bit_buffer_append_byte(instance->input_buffer, id);
bit_buffer_append_bytes(instance->input_buffer, (const uint8_t*)&current_offset, 3);
bit_buffer_append_bytes(instance->input_buffer, (const uint8_t*)&bytes_to_read, 3);
@ -374,6 +375,15 @@ MfDesfireError mf_desfire_poller_read_file_data(
return error;
}
MfDesfireError mf_desfire_poller_read_file_data(
MfDesfirePoller* instance,
MfDesfireFileId id,
uint32_t offset,
size_t size,
MfDesfireFileData* data) {
return mf_desfire_poller_read_file(instance, id, MF_DESFIRE_CMD_READ_DATA, offset, size, data);
}
MfDesfireError mf_desfire_poller_read_file_value(
MfDesfirePoller* instance,
MfDesfireFileId id,
@ -406,28 +416,8 @@ MfDesfireError mf_desfire_poller_read_file_records(
uint32_t offset,
size_t size,
MfDesfireFileData* data) {
furi_check(instance);
furi_check(data);
bit_buffer_reset(instance->input_buffer);
bit_buffer_append_byte(instance->input_buffer, MF_DESFIRE_CMD_READ_RECORDS);
bit_buffer_append_byte(instance->input_buffer, id);
bit_buffer_append_bytes(instance->input_buffer, (const uint8_t*)&offset, 3);
bit_buffer_append_bytes(instance->input_buffer, (const uint8_t*)&size, 3);
MfDesfireError error;
do {
error = mf_desfire_send_chunks(instance, instance->input_buffer, instance->result_buffer);
if(error != MfDesfireErrorNone) break;
if(!mf_desfire_file_data_parse(data, instance->result_buffer)) {
error = MfDesfireErrorProtocol;
}
} while(false);
return error;
return mf_desfire_poller_read_file(
instance, id, MF_DESFIRE_CMD_READ_RECORDS, offset, size, data);
}
MfDesfireError mf_desfire_poller_read_file_data_multi(