Huseyin Berkay Berabi / GA-Final

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Dependencies:   mbed-dev

Fork of GA-Berkay_Alex by Alejandro Ungria Hirte

Diff: Watchdog/Watchdog.cpp

Revision:
0:a3b83d366423
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Watchdog/Watchdog.cpp	Wed Dec 06 21:35:45 2017 +0000
@@ -0,0 +1,25 @@
+#include "Watchdog.h"
+
+
+Watchdog::Watchdog() {
+}
+
+// Load timeout value in watchdog timer and enable
+void Watchdog::kick(float s) {
+    
+    uint32_t clk = SystemCoreClock / 3;    // found by trying. TODO: exakt values
+    hiwdg.Instance = IWDG;
+    hiwdg.Init.Prescaler = IWDG_PRESCALER_16;
+    hiwdg.Init.Reload = s * (float)clk;
+    if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
+    {
+      // Error Handler
+    }    
+}
+    
+// "kick" or "feed" the dog - reset the watchdog timer
+// by writing this required bit pattern
+void Watchdog::kick() {
+    HAL_IWDG_Refresh(&hiwdg);
+}
+