Diff: main.cpp

Revision:

0:083d13fe8ca2

diff -r 000000000000 -r 083d13fe8ca2 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Dec 03 12:37:10 2010 +0000
@@ -0,0 +1,34 @@
+// My first program: intial stage in creating a smart doorbell system.
+
+#include "mbed.h"
+
+// LED1 = P1.18  LED2 = P1.20  LED3 = P1.21  LED4 = P1.23
+#define LED_MASK 0x00B40000
+int mymask[] = { 0x00040000, 0x00100000, 0x00200000 };
+int hook = 0x00800000;
+PortOut ledport(Port1, LED_MASK);
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+PortIn     p(Port2, 0x00000007);   // p24-p26 or 21 to 23
+int bellmask[] = { 3, 5, 6 };
+
+int main() {
+    while(1) {
+        int pins = p.read();
+        if (pins != 7) {
+            ledport = hook;
+            wait(1.0);
+            for (int i = 0; i < 3; i++) {
+                if (pins == bellmask[i]) {
+                    pc.printf("pins = %d\n",pins);
+                    ledport = mymask[i] + hook;
+                    wait(0.5);
+                    ledport = hook;
+                    wait(10.0);
+                    ledport = 0;
+                }    
+            }
+        }        
+    }
+}