src/libs/Watchdog.cpp

   1 #include "Watchdog.h"
   2
   3 #include <lpc17xx_wdt.h>
   4
   5 #include <mri.h>
   6
   7 // TODO : comment this
   8 // Basically, when stuff stop answering, reset, or enter MRI mode, or something
   9
  10 Watchdog::Watchdog(uint32_t timeout, WDT_ACTION action)
  11 {
  12     WDT_Init(WDT_CLKSRC_IRC, (action == WDT_MRI)?WDT_MODE_INT_ONLY:WDT_MODE_RESET);
  13     WDT_Start(timeout);
  14     WDT_Feed();
  15 }
  16
  17 void Watchdog::feed()
  18 {
  19     WDT_Feed();
  20 }
  21
  22 void Watchdog::on_module_loaded()
  23 {
  24     register_for_event(ON_IDLE);
  25     feed();
  26 }
  27
  28 void Watchdog::on_idle(void*)
  29 {
  30     feed();
  31 }
  32
  33
  34 extern "C" void WDT_IRQHandler(void)
  35 {
  36     WDT_ClrTimeOutFlag();
  37     WDT_Feed();
  38     __debugbreak();
  39 }