Files
Momentum-Firmware/applications/services/desktop/helpers/pin_code.c

92 lines
2.6 KiB
C

#include "pin_code.h"
#include <furi_hal_rtc.h>
#include <furi.h>
#include <notification/notification_messages.h>
#define DESKTOP_PIN_CODE_DIGIT_BIT_WIDTH (2)
#define DESKTOP_PIN_CODE_LENGTH_OFFSET (28)
static const NotificationSequence sequence_pin_fail = {
&message_display_backlight_on,
&message_red_255,
&message_vibro_on,
&message_delay_100,
&message_vibro_off,
&message_red_0,
&message_delay_250,
&message_red_255,
&message_vibro_on,
&message_delay_100,
&message_vibro_off,
&message_red_0,
NULL,
};
static uint32_t desktop_pin_code_pack(const DesktopPinCode* pin_code) {
furi_check(pin_code);
furi_check(pin_code->length <= sizeof(pin_code->data));
uint32_t reg_value = 0;
for(uint8_t i = 0; i < pin_code->length; ++i) {
furi_check(pin_code->data[i] < (1 << DESKTOP_PIN_CODE_DIGIT_BIT_WIDTH));
reg_value |= (uint32_t)pin_code->data[i] << (i * DESKTOP_PIN_CODE_DIGIT_BIT_WIDTH);
}
reg_value |= (uint32_t)pin_code->length << DESKTOP_PIN_CODE_LENGTH_OFFSET;
return reg_value;
}
bool desktop_pin_code_is_set(void) {
uint8_t length = furi_hal_rtc_get_pin_value() >> DESKTOP_PIN_CODE_LENGTH_OFFSET;
return length >= DESKTOP_PIN_CODE_MIN_LEN && length <= DESKTOP_PIN_CODE_MAX_LEN;
}
void desktop_pin_code_set(const DesktopPinCode* pin_code) {
furi_hal_rtc_set_pin_value(desktop_pin_code_pack(pin_code));
}
void desktop_pin_code_reset(void) {
furi_hal_rtc_set_pin_value(0);
}
bool desktop_pin_code_check(const DesktopPinCode* pin_code) {
return furi_hal_rtc_get_pin_value() == desktop_pin_code_pack(pin_code);
}
bool desktop_pin_code_is_equal(const DesktopPinCode* pin_code1, const DesktopPinCode* pin_code2) {
furi_check(pin_code1);
furi_check(pin_code1->length <= sizeof(pin_code1->data));
furi_check(pin_code2);
furi_check(pin_code2->length <= sizeof(pin_code2->data));
return pin_code1->length == pin_code2->length &&
memcmp(pin_code1->data, pin_code2->data, pin_code1->length) == 0;
}
void desktop_pin_lock_error_notify(void) {
NotificationApp* notification = furi_record_open(RECORD_NOTIFICATION);
notification_message(notification, &sequence_pin_fail);
furi_record_close(RECORD_NOTIFICATION);
}
uint32_t desktop_pin_lock_get_fail_timeout(void) {
uint32_t pin_fails = furi_hal_rtc_get_pin_fails();
if(pin_fails < 3) {
return 0;
}
// Use for loop to avoid including pow() function (4kb of dfu flash)
uint32_t mult = 1;
for(size_t i = 0; i < pin_fails - 3; i++) {
mult *= 2;
}
return 30 * mult;
}