Added reset function.

Signed-off-by: Yilin Sun <imi415@imi.moe>

CMakeLists.txt

@@ -47,6 +47,7 @@ set(TARGET_SOURCES
     "src/app_gpio.c"
     "src/app_periodic_tasks.c"
     "src/app_reg_if.c"
+    "src/app_sys_utils.c"
     "src/main.c"
 )
 

include/app_sys_utils.h

@@ -0,0 +1,12 @@
+#ifndef APP_SYS_UTILS_H
+#define APP_SYS_UTILS_H
+
+#include "fsl_common_arm.h"
+
+static inline void app_sys_util_reset(void) {
+    NVIC_SystemReset();
+}
+
+void app_sys_util_update(void);
+
+#endif  // APP_SYS_UTILS_H

src/app_periodic_tasks.c

@@ -7,6 +7,7 @@
 /* App */
 #include "app_gpio.h"
 #include "app_periodic_tasks.h"
+#include "app_sys_utils.h"
 
 #define APP_PERIODIC_RATE 1000
 
@@ -28,6 +29,7 @@ void app_periodic_tasks_init(void) {
 }
 
 static void app_periodic_task(void) {
+    app_sys_util_update();
     app_gpio_update();
 }
 

src/app_sys_utils.c

@@ -0,0 +1,20 @@
+/* App */
+#include "app_reg_if.h"
+
+/* Private */
+#include "app_sys_utils.h"
+
+#define APP_SYS_RST_Pos 15
+#define APP_SYS_RST_Msk (1U << APP_SYS_RST_Pos)
+
+void app_sys_util_update(void) {
+    uint16_t cfg = app_reg_if_internal_read(APP_REG_CFG);
+
+    if (cfg & APP_SYS_RST_Msk) {
+        cfg &= ~(APP_SYS_RST_Msk);
+
+        app_reg_if_internal_write(APP_REG_CFG, cfg);
+
+        app_sys_util_reset();
+    }
+}