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transactions render fix part 2

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This commit is contained in:
Methodius
2024-02-15 01:45:48 +09:00
parent 8dd59a5d9e
commit c061fb1681
1 changed files with 11 additions and 19 deletions
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30
applications/main/nfc/helpers/protocol_support/emv/emv_render.c
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@@ -1,6 +1,7 @@
#include "emv_render.h"
#include "../iso14443_4a/iso14443_4a_render.h"
#include <bit_lib.h>
#include "nfc/nfc_app_i.h"
void nfc_render_emv_info(const EmvData* data, NfcProtocolFormatType format_type, FuriString* str) {
@@ -72,9 +73,8 @@ void nfc_render_emv_application(const EmvApplication* apl, FuriString* str) {
}
void nfc_render_emv_application_interchange_profile(const EmvApplication* apl, FuriString* str) {
//TODO: CLEANUP AFERT BITLIB MERGE
uint16_t data = (apl->application_interchange_profile[0] << 8) |
(apl->application_interchange_profile[1]);
uint16_t data = bit_lib_bytes_to_num_be(apl->application_interchange_profile, 2);
if(!data) {
furi_string_cat_printf(str, "No Interchange profile found\n");
return;
@@ -112,22 +112,14 @@ void nfc_render_emv_transactions(const EmvApplication* apl, FuriString* str) {
if(!apl->trans[i].amount) {
furi_string_cat_printf(str, "???");
} else {
uint8_t* a = (uint8_t*)&apl->trans[i].amount;
bool top = true;
for(int x = 0; x < 6; x++) {
// cents
if(x == 5) {
furi_string_cat_printf(str, ".%02X", a[x]);
break;
}
if(top && a[x]) {
// print without leading zeros if exist
furi_string_cat_printf(str, "%X", a[x]);
top = false;
} else {
furi_string_cat_printf(str, "%02X", a[x]);
}
}
uint8_t amount_bytes[6];
bit_lib_num_to_bytes_le(apl->trans[i].amount, 6, amount_bytes);
bool junk = false;
uint64_t amount = bit_lib_bytes_to_num_bcd(amount_bytes, 6, &junk);
uint8_t amount_cents = amount % 100;
furi_string_cat_printf(str, "%llu.%02u", amount / 100, amount_cents);
}
if(apl->trans[i].currency) {