unleashed-firmware/lib/nfc/parsers/all_in_one.c
Sergey Gavrilov 4000f0cac5
[FL-2870] Printf function attributes (#1841)
* Furi strings: printf attribute
* Logs: printf attribute
* Plugins: adapt
* Plugins: accommodate
* Unit tests: accommodate

Co-authored-by: あく <alleteam@gmail.com>
2022-10-07 22:35:15 +09:00

113 lines
No EOL
4.2 KiB
C

#include "nfc_supported_card.h"
#include "all_in_one.h"
#include <gui/modules/widget.h>
#include <nfc_worker_i.h>
#include "furi_hal.h"
#define ALL_IN_ONE_LAYOUT_UNKNOWN 0
#define ALL_IN_ONE_LAYOUT_A 1
#define ALL_IN_ONE_LAYOUT_D 2
#define ALL_IN_ONE_LAYOUT_E2 3
#define ALL_IN_ONE_LAYOUT_E3 4
#define ALL_IN_ONE_LAYOUT_E5 5
#define ALL_IN_ONE_LAYOUT_2 6
uint8_t all_in_one_get_layout(NfcDeviceData* dev_data) {
// I absolutely hate what's about to happen here.
// Switch on the second half of the third byte of page 5
FURI_LOG_I("all_in_one", "Layout byte: %02x", dev_data->mf_ul_data.data[(4 * 5) + 2]);
FURI_LOG_I(
"all_in_one", "Layout half-byte: %02x", dev_data->mf_ul_data.data[(4 * 5) + 3] & 0x0F);
switch(dev_data->mf_ul_data.data[(4 * 5) + 2] & 0x0F) {
// If it is A, the layout type is a type A layout
case 0x0A:
return ALL_IN_ONE_LAYOUT_A;
case 0x0D:
return ALL_IN_ONE_LAYOUT_D;
case 0x02:
return ALL_IN_ONE_LAYOUT_2;
default:
FURI_LOG_I(
"all_in_one",
"Unknown layout type: %d",
dev_data->mf_ul_data.data[(4 * 5) + 2] & 0x0F);
return ALL_IN_ONE_LAYOUT_UNKNOWN;
}
}
bool all_in_one_parser_verify(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
UNUSED(nfc_worker);
// If this is a all_in_one pass, first 2 bytes of page 4 are 0x45 0xD9
MfUltralightReader reader = {};
MfUltralightData data = {};
if(!mf_ul_read_card(tx_rx, &reader, &data)) {
return false;
} else {
if(data.data[4 * 4] == 0x45 && data.data[4 * 4 + 1] == 0xD9) {
FURI_LOG_I("all_in_one", "Pass verified");
return true;
}
}
return false;
}
bool all_in_one_parser_read(NfcWorker* nfc_worker, FuriHalNfcTxRxContext* tx_rx) {
MfUltralightReader reader = {};
MfUltralightData data = {};
if(!mf_ul_read_card(tx_rx, &reader, &data)) {
return false;
} else {
memcpy(&nfc_worker->dev_data->mf_ul_data, &data, sizeof(data));
FURI_LOG_I("all_in_one", "Card read");
return true;
}
}
bool all_in_one_parser_parse(NfcDeviceData* dev_data) {
if(dev_data->mf_ul_data.data[4 * 4] != 0x45 || dev_data->mf_ul_data.data[4 * 4 + 1] != 0xD9) {
FURI_LOG_I("all_in_one", "Pass not verified");
return false;
}
// If the layout is a then the ride count is stored in the first byte of page 8
uint8_t ride_count = 0;
uint32_t serial = 0;
if(all_in_one_get_layout(dev_data) == ALL_IN_ONE_LAYOUT_A) {
ride_count = dev_data->mf_ul_data.data[4 * 8];
} else if(all_in_one_get_layout(dev_data) == ALL_IN_ONE_LAYOUT_D) {
// If the layout is D, the ride count is stored in the second byte of page 9
ride_count = dev_data->mf_ul_data.data[4 * 9 + 1];
// I hate this with a burning passion.
// The number starts at the second half of the third byte on page 4, and is 32 bits long
// So we get the second half of the third byte, then bytes 4-6, and then the first half of the 7th byte
// B8 17 A2 A4 BD becomes 81 7A 2A 4B
serial = (dev_data->mf_ul_data.data[4 * 4 + 2] & 0x0F) << 28 |
dev_data->mf_ul_data.data[4 * 4 + 3] << 20 |
dev_data->mf_ul_data.data[4 * 4 + 4] << 12 |
dev_data->mf_ul_data.data[4 * 4 + 5] << 4 |
(dev_data->mf_ul_data.data[4 * 4 + 6] >> 4);
} else {
FURI_LOG_I("all_in_one", "Unknown layout: %d", all_in_one_get_layout(dev_data));
ride_count = 137;
}
// I hate this with a burning passion.
// The number starts at the second half of the third byte on page 4, and is 32 bits long
// So we get the second half of the third byte, then bytes 4-6, and then the first half of the 7th byte
// B8 17 A2 A4 BD becomes 81 7A 2A 4B
serial =
(dev_data->mf_ul_data.data[4 * 4 + 2] & 0x0F) << 28 |
dev_data->mf_ul_data.data[4 * 4 + 3] << 20 | dev_data->mf_ul_data.data[4 * 4 + 4] << 12 |
dev_data->mf_ul_data.data[4 * 4 + 5] << 4 | (dev_data->mf_ul_data.data[4 * 4 + 6] >> 4);
// Format string for rides count
furi_string_printf(
dev_data->parsed_data, "\e#All-In-One\nNumber: %lu\nRides left: %u", serial, ride_count);
return true;
}