Diff: main.cpp

Revision:

0:d616150fefca

Child:

1:03baf535e2fc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 14 22:31:45 2013 +0000
@@ -0,0 +1,56 @@
+#include "mbed.h"
+
+DigitalIn Button(P0_1);
+InterruptIn ButtonIrq(P0_1); 
+
+DigitalOut Led2(P1_22);
+
+Ticker timer;
+
+void sleep_normal ( void )
+{
+    // PCON[PD] set to sleep
+    LPC_PMU->PCON = 0x0;
+    
+    // SRC[SLEEPDEEP] set to 0 = sleep
+    SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
+    
+    // wait for interrupt
+    __WFI();
+}
+
+// Section 3.9.4 of the LPC11U24 User Manual
+void sleep_deep ( void )
+{
+// PCON[PD] set to deepsleep
+    LPC_PMU->PCON = 0x1;
+    
+    // SRC[SLEEPDEEP] set to 1 = deep sleep
+    SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
+    
+    // Power up everything after powerdown
+    LPC_SYSCON->PDAWAKECFG &= 0xFFFFF800;
+    
+    // wait for interrupt
+    __WFI();
+}
+
+void ButtonPressed ( void )
+{
+    // Wake up ..
+    Led2 = !Led2;
+}
+
+int main() 
+{
+    Led2 = 1;
+    Button.mode(PullUp);
+    ButtonIrq.fall(ButtonPressed);
+    
+    while(1) 
+    {
+        // All I do is sleep
+        //sleep_normal();
+        sleep_deep();
+    }
+}