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-rw-r--r--src/lpc176x/main.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/lpc176x/main.c b/src/lpc176x/main.c
index 24cf6816..fc06bc24 100644
--- a/src/lpc176x/main.c
+++ b/src/lpc176x/main.c
@@ -12,6 +12,29 @@ 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
****************************************************************/