Move clock sync logic to separate files

Core/Src/Clock_Sync.c

@@ -0,0 +1,20 @@
+#include "Clock_Sync.h"
+
+#include "CAN_Communication.h"
+
+#include "stm32g4xx_hal_fdcan.h"
+#include "stm32g4xx_hal_tim.h"
+
+static FDCAN_HandleTypeDef* can;
+static TIM_HandleTypeDef* timer;
+
+void clock_sync_init(FDCAN_HandleTypeDef* can_handle,
+                     TIM_HandleTypeDef* timer_handle) {
+  can = can_handle;
+  timer = timer_handle;
+  HAL_TIM_Base_Start_IT(timer);
+}
+
+void clock_sync_handle_timer_complete() {
+  CAN_Transmit(can, CLOCK_SYNC_ADDRESS, NULL, 0);
+}