229 lines
7.4 KiB
C
229 lines
7.4 KiB
C
#include "../wiegand.h"
|
|
|
|
void wiegand_add_info_4bit_8bit(FuriString* buffer) {
|
|
if(bit_count == 8) {
|
|
for(int i = 0; i < 4; i++) {
|
|
furi_string_cat_printf(
|
|
buffer, "\nbit %d: %d %d (bit %d)", i, data[i], data[i + 4], i + 4);
|
|
if(data[i] == data[i + 4]) {
|
|
furi_string_cat_printf(buffer, " - ERROR");
|
|
} else {
|
|
furi_string_cat_printf(buffer, " - OK");
|
|
}
|
|
}
|
|
}
|
|
if(bit_count == 4 || bit_count == 8) {
|
|
int code = 0;
|
|
int offset = bit_count == 4 ? 0 : 4;
|
|
for(int i = 0; i < 4; i++) {
|
|
code = code << 1;
|
|
code += data[i + offset] ? 1 : 0;
|
|
}
|
|
if(code <= 9) {
|
|
furi_string_cat_printf(buffer, "\nButton: %d", code);
|
|
} else if(code == 10) {
|
|
furi_string_cat_printf(buffer, "\nButton: Escape");
|
|
} else if(code == 11) {
|
|
furi_string_cat_printf(buffer, "\nButton: Enter");
|
|
}
|
|
}
|
|
}
|
|
|
|
void wiegand_add_info_26bit(FuriString* buffer) {
|
|
// 26 bit wiegand, the first bit is the even parity bit, which is
|
|
// based on the next 12 bits. The number of bits that are a 1 should
|
|
// be even.
|
|
int parity = 0;
|
|
if(data[0]) {
|
|
parity = 1;
|
|
}
|
|
for(int i = 1; i < 13; i++) {
|
|
if(data[i]) {
|
|
parity++;
|
|
}
|
|
}
|
|
if(parity % 2 == 0) {
|
|
furi_string_cat_printf(buffer, "\nEven Parity (%d): OK", parity);
|
|
} else {
|
|
furi_string_cat_printf(buffer, "\nEven Parity (%d): ERROR", parity);
|
|
}
|
|
|
|
// After the parity bit, the next 8 bits are the facility code.
|
|
// Then the next 16 bits are the card id .
|
|
furi_string_cat_printf(buffer, "\nFacility: 0x");
|
|
int code = 0;
|
|
int count = 0;
|
|
uint32_t dec = 0;
|
|
for(int i = 1; i < 25; i++) {
|
|
code = code << 1;
|
|
dec = dec << 1;
|
|
code |= data[i] ? 1 : 0;
|
|
dec |= data[i] ? 1 : 0;
|
|
if(++count % 4 == 0) {
|
|
furi_string_cat_printf(buffer, "%X", code);
|
|
code = 0;
|
|
}
|
|
|
|
if(i == 8) {
|
|
furi_string_cat_printf(buffer, " (%ld)", dec);
|
|
dec = 0;
|
|
}
|
|
// Parity, then 8 bit facility code, then id.
|
|
if(i == 9) {
|
|
furi_string_cat_printf(buffer, "\nId: 0x");
|
|
}
|
|
}
|
|
furi_string_cat_printf(buffer, " (%ld)", dec);
|
|
|
|
if(data[13]) {
|
|
parity = 1;
|
|
} else {
|
|
parity = 0;
|
|
}
|
|
for(int i = 14; i < 26; i++) {
|
|
if(data[i]) {
|
|
parity++;
|
|
}
|
|
}
|
|
if(parity % 2 == 0) {
|
|
furi_string_cat_printf(buffer, "\nOdd Parity (%d): ERROR", parity);
|
|
} else {
|
|
furi_string_cat_printf(buffer, "\nOdd Parity (%d): OK", parity);
|
|
}
|
|
}
|
|
|
|
void wiegand_add_info_24bit(FuriString* buffer) {
|
|
// 24 bit wiegand (no parity info).
|
|
|
|
// The First 8 bits are the facility code.
|
|
// Then the next 16 bits are the card id.
|
|
furi_string_cat_printf(buffer, "\nFacility: 0x");
|
|
int code = 0;
|
|
int count = 0;
|
|
uint32_t dec = 0;
|
|
for(int i = 0; i < 24; i++) {
|
|
code = code << 1;
|
|
dec = dec << 1;
|
|
code |= data[i] ? 1 : 0;
|
|
dec |= data[i] ? 1 : 0;
|
|
if(++count % 4 == 0) {
|
|
furi_string_cat_printf(buffer, "%X", code);
|
|
code = 0;
|
|
}
|
|
// The first 8 bits are facility code, then comes id.
|
|
if(i == 8) {
|
|
furi_string_cat_printf(buffer, " (%ld)", dec);
|
|
dec = 0;
|
|
furi_string_cat_printf(buffer, "\nId: 0x");
|
|
}
|
|
}
|
|
furi_string_cat_printf(buffer, " (%ld)", dec);
|
|
}
|
|
|
|
void wiegand_add_info_48bit(FuriString* buffer) {
|
|
// We assume this is HID 48 bit Corporate 1000 - H2004064 format.
|
|
// The first bit is odd parity 2 (based on bits 2-48).
|
|
// The next bit is even parity (based on 4-5,7-8,10-11,...,46-47).
|
|
// Then 22 bit company code.
|
|
// Then 23 bit card id.
|
|
/// Then odd parity 1 (based on 3-4,6-7,9-10,...,45-46).
|
|
|
|
// 22 bits company code (bits 3-24; data[2..23])
|
|
uint32_t code = 0;
|
|
for(int i = 2; i <= 23; i++) {
|
|
code = code << 1;
|
|
code |= data[i] ? 1 : 0;
|
|
}
|
|
furi_string_cat_printf(buffer, "\nCompany: %lX (%ld)", code, code);
|
|
|
|
// 23 bit card id (bits 25-47; data[24..46]).
|
|
code = 0;
|
|
for(int i = 24; i <= 46; i++) {
|
|
code = code << 1;
|
|
code |= data[i] ? 1 : 0;
|
|
}
|
|
furi_string_cat_printf(buffer, "\nCard: %lX (%ld)", code, code);
|
|
|
|
// TODO: Add the 3 parity checks.
|
|
}
|
|
|
|
void wiegand_add_info(FuriString* buffer) {
|
|
furi_string_push_back(buffer, '\n');
|
|
if(bit_count == 4 || bit_count == 8) {
|
|
wiegand_add_info_4bit_8bit(buffer);
|
|
} else if(bit_count == 26) {
|
|
wiegand_add_info_26bit(buffer);
|
|
} else if(bit_count == 24) {
|
|
wiegand_add_info_24bit(buffer);
|
|
} else if(bit_count == 48) {
|
|
wiegand_add_info_48bit(buffer);
|
|
}
|
|
furi_string_push_back(buffer, '\n');
|
|
}
|
|
|
|
void wiegand_button_callback(GuiButtonType result, InputType type, void* context) {
|
|
App* app = context;
|
|
if(type == InputTypeShort && result == GuiButtonTypeLeft) {
|
|
view_dispatcher_send_custom_event(app->view_dispatcher, WiegandDataSceneSaveButtonEvent);
|
|
} else if(type == InputTypeShort && result == GuiButtonTypeCenter) {
|
|
view_dispatcher_send_custom_event(app->view_dispatcher, WiegandDataScenePlayButtonEvent);
|
|
}
|
|
}
|
|
|
|
void wiegand_data_scene_on_enter(void* context) {
|
|
App* app = context;
|
|
widget_reset(app->widget);
|
|
widget_add_string_element(app->widget, 0, 0, AlignLeft, AlignTop, FontPrimary, "Wiegand Data");
|
|
FuriString* buffer = furi_string_alloc(1024);
|
|
furi_string_printf(buffer, "Bits: %d\n", bit_count);
|
|
for(int i = 0; i < bit_count; i++) {
|
|
furi_string_push_back(buffer, data[i] ? '1' : '0');
|
|
if((bit_count - i - 1) % 22 == 21) {
|
|
furi_string_push_back(buffer, '\n');
|
|
}
|
|
}
|
|
furi_string_cat_printf(buffer, "\nPulse: %ld us", (data_rise[0] - data_fall[0]) / 64);
|
|
furi_string_cat_printf(buffer, "\nPeriod: %ld us", (data_fall[1] - data_fall[0]) / 64);
|
|
wiegand_add_info(buffer);
|
|
for(int i = 0; i < bit_count;) {
|
|
uint32_t pulse = (data_rise[i] - data_fall[i]) / 64;
|
|
i++;
|
|
uint32_t period = (i < bit_count) ? (data_fall[i] - data_fall[i - 1]) / 64 : 0;
|
|
furi_string_cat_printf(
|
|
buffer, "\n%c : %ld us, %ld us", data[i] ? '1' : '0', pulse, period);
|
|
}
|
|
widget_add_text_scroll_element(app->widget, 0, 12, 128, 34, furi_string_get_cstr(buffer));
|
|
if(!data_saved) {
|
|
widget_add_button_element(
|
|
app->widget, GuiButtonTypeLeft, "Save", wiegand_button_callback, app);
|
|
}
|
|
widget_add_button_element(
|
|
app->widget, GuiButtonTypeCenter, "Play", wiegand_button_callback, app);
|
|
view_dispatcher_switch_to_view(app->view_dispatcher, WiegandWidgetView);
|
|
}
|
|
|
|
bool wiegand_data_scene_on_event(void* context, SceneManagerEvent event) {
|
|
App* app = context;
|
|
bool consumed = false;
|
|
switch(event.type) {
|
|
case SceneManagerEventTypeCustom:
|
|
switch(event.event) {
|
|
case WiegandDataScenePlayButtonEvent:
|
|
wiegand_play();
|
|
consumed = true;
|
|
break;
|
|
case WiegandDataSceneSaveButtonEvent:
|
|
scene_manager_next_scene(app->scene_manager, WiegandSaveScene);
|
|
consumed = true;
|
|
break;
|
|
default:
|
|
consumed = false;
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return consumed;
|
|
}
|