Nuvoton / Mbed OS NuMaker-mbed-tickless-example

NuMaker tickless example

Diff: wakeup_pwrctl.cpp

Revision:
1:eb1da9d36e12
Child:
10:d2e2c79389e1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wakeup_pwrctl.cpp	Tue Sep 12 16:16:43 2017 +0800
@@ -0,0 +1,21 @@
+#include "mbed.h"
+#include "wakeup.h"
+
+/* Power-down wake-up interrupt handler */
+void PWRWU_IRQHandler(void)
+{
+    CLK->PWRCTL |= CLK_PWRCTL_PDWKIF_Msk;
+    
+    wakeup_eventflags.set(EventFlag_Wakeup_UnID);
+}
+
+void config_pwrctl(void)
+{
+    SYS_UnlockReg();
+    CLK->PWRCTL |= CLK_PWRCTL_PDWKIEN_Msk;
+    SYS_LockReg();
+    /* NOTE: The name of symbol PWRWU_IRQHandler is mangled in C++ and cannot override that in startup file in C.
+     *       So the NVIC_SetVector call cannot be left out. */
+    NVIC_SetVector(PWRWU_IRQn, (uint32_t) PWRWU_IRQHandler);
+    NVIC_EnableIRQ(PWRWU_IRQn);
+}