Update WDT.cpp

Author: adamgarbo

libraries/WDT/src/WDT.cpp

@@ -4,3 +4,44 @@
 
 #include "WDT.h"
 
+// Constructor
+APM3_WDT::APM3_WDT()
+{
+    // The watchdog only runs off of the LFRC
+    am_hal_clkgen_control(AM_HAL_CLKGEN_CONTROL_LFRC_START, 0);
+}
+
+
+// Configure the watchdog
+void APM3_WDT::configure(clock, interrupt, reset)
+{
+
+}
+
+// Enable the watchdog
+void APM3_WDT::enable()
+{
+  // Enable the interrupt for the watchdog in the NVIC
+  NVIC_EnableIRQ(WDT_IRQn);
+  am_hal_wdt_start();
+}
+
+// Disable the watchdog
+void APM3_WDT::disable()
+{
+  // Enable the interrupt for the watchdog in the NVIC
+  NVIC_DisableIRQ(WDT_IRQn);
+  am_hal_wdt_int_disable();
+}
+
+// Restart the watchdog
+void APM3_WDT::restart()
+{
+  am_hal_wdt_restart();
+}
+
+// Clear the watchdog interrupt
+void APM3_WDT::clear()
+{
+  am_hal_wdt_int_clear();
+}