mr happy / Mbed 2 deprecated flashing_leds

Reads the voltage from Pin18 (out) based on the output from Pin(20) i.e a self checking voltmeter.

Diff: main.cpp

Revision:
0:7c659fdad918
Child:
1:a4c99d145ce3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Feb 04 22:36:45 2011 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+
+AnalogIn ain(p20);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+// use pin 20 and GND to display a binary read out on the lights
+// of the voltage across the pins.
+// did not validate this in anyway.
+// mrhappy
+
+void bindisplay(int i){
+
+    // based on Kohei Matsumura code.
+    wait(0.2);
+    led1 = i & 0x01;
+    led2 = i>>1 & 0x01;
+    led3 = i>>2 & 0x01;
+    led4 = i>>3 & 0x01;
+         
+}
+
+int main() {
+    
+      while (1){
+        
+        bindisplay( ain * 0x0f );
+    
+    }
+}
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