[FL-1994] Add Saved Struct (#804)

Co-authored-by: あく <alleteam@gmail.com>

3 files changed, 39 insertions, 0 deletions

diff --git a/firmware/targets/f6/furi-hal/furi-hal-lock.c b/firmware/targets/f6/furi-hal/furi-hal-lock.c
new file mode 100644
index 00000000..0f519380
--- /dev/null
+++ b/firmware/targets/f6/furi-hal/furi-hal-lock.c
@@ -0,0 +1,17 @@
+#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);
+    }
+}
+
diff --git a/firmware/targets/f7/furi-hal/furi-hal-lock.c b/firmware/targets/f7/furi-hal/furi-hal-lock.c
new file mode 100644
index 00000000..0f519380
--- /dev/null
+++ b/firmware/targets/f7/furi-hal/furi-hal-lock.c
@@ -0,0 +1,17 @@
+#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);
+    }
+}
+
diff --git a/firmware/targets/furi-hal-include/furi-hal-lock.h b/firmware/targets/furi-hal-include/furi-hal-lock.h
new file mode 100644
index 00000000..d07ce571
--- /dev/null
+++ b/firmware/targets/furi-hal-include/furi-hal-lock.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <stdbool.h>
+
+bool furi_hal_lock_get();
+void furi_hal_lock_set(bool locked);