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Dependencies: mbed CANBuffer Watchdog MODSERIAL mbed-rtos xbeeRelay IAP
Fork of
SystemManagement
by 
Martin Deng
Diff: PollSwitch/PollSwitch.h
- Revision:
- 0:e516fcccccda
- Child:
- 6:6a04210a3f4f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/PollSwitch/PollSwitch.h Wed Oct 01 12:52:26 2014 +0000
@@ -0,0 +1,45 @@
+#include"LPCDigitalOut.h"
+#include"LPCDigitalIn.h"
+
+//Serial pc(USBTX,USBRX);
+
+uint16_t PollSwitch()
+{
+ uint16_t a=0;
+ int switchn=0, i=0;
+ LPC_pin PollPin[12]={p1_0, p1_1, p1_4, p1_8, p1_9, p1_10, p1_14, p1_15, p1_16, p1_17, p1_27, p1_28};
+ LPCDigitalOut poll[12]={ LPCDigitalOut(PollPin[0]),
+ LPCDigitalOut(PollPin[1]),
+ LPCDigitalOut(PollPin[2]),
+ LPCDigitalOut(PollPin[3]),
+ LPCDigitalOut(PollPin[4]),
+ LPCDigitalOut(PollPin[5]),
+ LPCDigitalOut(PollPin[6]),
+ LPCDigitalOut(PollPin[7]),
+ LPCDigitalOut(PollPin[8]),
+ LPCDigitalOut(PollPin[9]),
+ LPCDigitalOut(PollPin[10]),
+ LPCDigitalOut(PollPin[11])};
+
+ /*
+ _(invariant each iteration input is mode neither)
+ _(ensures all are inputs mode neither)
+ _(at a time only one is ioutput)
+ */
+
+ for(i=0; i<11; i++){
+ ++switchn;
+
+ poll[i].write(1);
+
+ wait_ms(25);
+
+ //poll[i+1].mode(PullDown);
+ a|=((1 - poll[i+1].read()) << switchn);
+
+ //poll[i].mode(PullNone);
+ //poll[i+1].mode(PullNone);
+ }
+ // poll[i].mode(neither);
+ return a;
+}
\ No newline at end of file