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lpc176x: Enable watchdog 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-05-08 15:25:22 -04:00
parent 83d3c17280
commit 65613aeddf
1 changed files with 23 additions and 0 deletions
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23
src/lpc176x/main.c
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@ -11,6 +11,29 @@
DECL_CONSTANT(MCU, "lpc176x");
/****************************************************************
* watchdog handler
****************************************************************/
void
watchdog_reset(void)
{
LPC_WDT->WDFEED = 0xaa;
LPC_WDT->WDFEED = 0x55;
}
DECL_TASK(watchdog_reset);
void
watchdog_init(void)
{
LPC_WDT->WDTC = 4000000 / 2; // 500ms timeout
LPC_WDT->WDCLKSEL = 1<<31; // Lock to internal RC
LPC_WDT->WDMOD = 0x03; // select reset and enable
watchdog_reset();
}
DECL_INIT(watchdog_init);
/****************************************************************
* misc functions
****************************************************************/