green rosh
Watchdog version 1
Revision 0:24d0ec172cf1, committed 2014-12-01
- Comitter:
- greenroshks
- Date:
- Mon Dec 01 06:40:13 2014 +0000
- Commit message:
- Watchdog IITMSAT
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Dec 01 06:40:13 2014 +0000
@@ -0,0 +1,57 @@
+#include "mbed.h"
+#include "rtos.h"
+
+
+// The trigger D4 is connected to Watchdog input and WD output is connected to interrupt button D3. The ISR thus evoked will trigger reset. Alternately, D3 can be connected to reset as well
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut trigger(D2); //triggering watchdog
+DigitalOut reset(D4); //D4 is connected to uC reset
+Serial pc(USBTX,USBRX);
+InterruptIn button(D3); //ISR initialize
+
+void led2_thread(void const *args) {
+ while (true) {
+ led2 = !led2;
+ Thread::wait(1000);
+ }
+}
+
+void led1_thread(void const *args)
+{
+ while(true)
+ {
+ led1!=led1;
+ Thread::wait(500);
+ }
+}
+
+void WDT(void const *args)
+{
+ trigger=1;
+ while(true)
+ {
+ trigger=!trigger;
+ Thread::wait(5000);
+ }
+}
+void fault()
+{
+ printf("\n Watchdog triggered... Saving parameters\n");
+ reset=1;
+}
+
+int main() {
+ button.rise(&fault);
+ Thread thread1(led1_thread);
+ Thread thread2(led2_thread);
+ Thread watchdog(WDT);
+
+ thread1.set_priority(osPriorityRealtime);
+ thread2.set_priority(osPriorityHigh);
+ watchdog.set_priority(osPriorityIdle);
+
+ while (true) {
+ Thread::wait(8000);
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Mon Dec 01 06:40:13 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#a3452b867ec3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Dec 01 06:40:13 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89 \ No newline at end of file