unleashed-firmware/firmware/targets/f7/furi-hal/furi-hal-lock.c

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#include "furi-hal-lock.h"
#include <stm32wbxx_ll_rtc.h>
#define FLIPPER_LOCKED_VALUE 0x5432FAFA
bool furi_hal_lock_get() {
return FLIPPER_LOCKED_VALUE == LL_RTC_BAK_GetRegister(RTC, LL_RTC_BKP_DR3);
}
void furi_hal_lock_set(bool locked) {
if (locked) {
LL_RTC_BAK_SetRegister(RTC, LL_RTC_BKP_DR3, FLIPPER_LOCKED_VALUE);
} else {
LL_RTC_BAK_SetRegister(RTC, LL_RTC_BKP_DR3, 0);
}
}