Michael Spencer / Smoothie

Fork of Smoothie to port to mbed non-LPC targets.

Dependencies:   mbed

Fork of Smoothie by Stéphane Cachat

libs/Watchdog.cpp

Committer:
Bigcheese
Date:
2014-03-02
Revision:
3:f151d08d335c
Parent:
2:1df0b61d3b5a

File content as of revision 3:f151d08d335c:

#include "Watchdog.h"

#include <lpc17xx_wdt.h>

#include <mri.h>

// TODO : comment this
// Basically, when stuff stop answering, reset, or enter MRI mode, or something

Watchdog::Watchdog(uint32_t timeout, WDT_ACTION action)
{
    WDT_Init(WDT_CLKSRC_IRC, (action == WDT_MRI)?WDT_MODE_INT_ONLY:WDT_MODE_RESET);
    WDT_Start(timeout);
    WDT_Feed();
}

void Watchdog::feed()
{
    WDT_Feed();
}

void Watchdog::on_module_loaded()
{
    register_for_event(ON_IDLE);
    feed();
}

void Watchdog::on_idle(void*)
{
    feed();
}


extern "C" void WDT_IRQHandler(void)
{
    WDT_ClrTimeOutFlag();
    WDT_Feed();
    __debugbreak();
}