Diff: wakeup_pwrctl.cpp

Revision:

10:d2e2c79389e1

Parent:

1:eb1da9d36e12

Child:

20:759aab916d47

--- a/wakeup_pwrctl.cpp	Thu Oct 26 17:44:48 2017 +0800
+++ b/wakeup_pwrctl.cpp	Mon Oct 02 11:24:10 2017 +0800
@@ -1,6 +1,31 @@
 #include "mbed.h"
 #include "wakeup.h"
 
+
+#if defined(TARGET_NUMAKER_PFM_NANO130)
+/* Power-down wake-up interrupt handler */
+/* This target doesn't support relocating vector table and requires overriding 
+ * vector handler at link-time. */
+extern "C" void PDWU_IRQHandler(void)
+{
+    CLK->WK_INTSTS = CLK_WK_INTSTS_PD_WK_IS_Msk;
+    
+    wakeup_eventflags.set(EventFlag_Wakeup_UnID);
+}
+
+void config_pwrctl(void)
+{
+    SYS_UnlockReg();
+    CLK->PWRCTL |= CLK_PWRCTL_PD_WK_IE_Msk;
+    SYS_LockReg();
+    /* NOTE: The name of symbol PDWU_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(PDWU_IRQn, (uint32_t) PDWU_IRQHandler);
+    NVIC_EnableIRQ(PDWU_IRQn);
+}
+
+#else
+
 /* Power-down wake-up interrupt handler */
 void PWRWU_IRQHandler(void)
 {
@@ -19,3 +44,5 @@
     NVIC_SetVector(PWRWU_IRQn, (uint32_t) PWRWU_IRQHandler);
     NVIC_EnableIRQ(PWRWU_IRQn);
 }
+
+#endif