clean shit

src/fwdgt.c

@@ -0,0 +1,28 @@
+//
+// Created by yelv1 on 24-12-29.
+//
+
+#include "fwdgt.h"
+
+void watchdog_init(void) {
+    /* Enable the LSI clock */
+    rcu_osci_on(RCU_IRC40K);
+    rcu_osci_stab_wait(RCU_IRC40K);
+
+    /* Configure FWDGT counter clock: 40KHz(IRC40K) / 64 = 0.625 KHz */
+    fwdgt_config(625, FWDGT_PSC_DIV64); // Set timeout to 1 seconds (625 / 0.625 KHz)
+
+    /* Enable FWDGT */
+    fwdgt_enable();
+}
+
+void fwdgt_reset_mcu(void) {
+    /* Enable the write access to the FWDGT_CTL register */
+    FWDGT_CTL = FWDGT_WRITEACCESS_ENABLE;
+
+    /* Configure FWDGT to trigger a system reset */
+    fwdgt_config(50, FWDGT_PSC_DIV4);
+
+    /* Reload the counter to trigger the reset */
+    fwdgt_counter_reload();
+}