Diff: main.cpp

Revision:

0:8da3c40a4505

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Feb 17 14:32:10 2010 +0000
@@ -0,0 +1,39 @@
+#include "mbed.h"
+
+DigitalOut led(LED1);
+
+class Watchdog {
+public:
+    void kick(float s) {
+        LPC_WDT->WDCLKSEL = 0x1;                // Set CLK src to PCLK
+        uint32_t clk = SystemCoreClock / 16;    // WD has a fixed /4 prescaler, PCLK default is /4 
+        LPC_WDT->WDTC = s * (float)clk;         
+        LPC_WDT->WDMOD = 0x3;                   // Enabled and Reset        
+        kick();
+    }
+    
+    void kick() {
+        LPC_WDT->WDFEED = 0xAA;
+        LPC_WDT->WDFEED = 0x55;
+    }
+};
+
+Watchdog w;
+
+int main() {
+    printf("Hello World!\n");
+    w.kick(2.5);
+
+    int hang = 0;
+    while(1) {
+        printf("loop...\n");
+        wait(0.1);
+        
+        if(hang == 10) {
+            while(1);
+        }
+
+        w.kick();
+        hang++;
+    }
+}