Diff: main.cpp

Revision:

0:4194d17b08e3

diff -r 000000000000 -r 4194d17b08e3 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Aug 02 05:05:15 2011 +0000
@@ -0,0 +1,89 @@
+#include "mbed.h"
+
+// Variables
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+Serial pc(USBTX, USBRX);
+Timer t;
+int secTimer;
+
+int main() {
+    // set up
+    pc.baud(38400);
+    led1 = 0;
+    led2 = 0;
+    led3 = 0;
+    led4 = 0;
+    t.start();
+    secTimer = t.read_ms();
+    // serial reading variables
+    char temp;
+    
+    while(1) {
+        // check serial
+        if(pc.readable()){
+            temp = pc.getc();
+            if(temp == 'S'){
+                // valid packet, continue parsing
+                while(!pc.readable());
+                temp = pc.getc(); // led1
+                if(temp == '1'){
+                    led1 = 1;
+                }else if(temp == '0'){
+                    led1 = 0;
+                }
+                while(!pc.readable());
+                temp = pc.getc(); // led2
+                if(temp == '1'){
+                    led2 = 1;
+                }else if(temp == '0'){
+                    led2 = 0;
+                }
+                while(!pc.readable());
+                temp = pc.getc(); // led3
+                if(temp == '1'){
+                    led3 = 1;
+                }else if(temp == '0'){
+                    led3 = 0;
+                }
+                while(!pc.readable());
+                temp = pc.getc(); // led4
+                if(temp == '1'){
+                    led4 = 1;
+                }else if(temp == '0'){
+                    led4 = 0;
+                }
+                
+            }
+        }//end of parsing
+        
+        //relay status of LEDs to server, in case LEDs weren't set
+        if((t.read_ms()- secTimer) > 1000){
+            secTimer = t.read_ms();
+            pc.putc('S');
+            if(led1.read() == 1){
+                pc.putc('1');
+            }else{
+                pc.putc('0');
+            }
+            if(led2.read() == 1){
+                pc.putc('1');
+            }else{
+                pc.putc('0');
+            }
+            if(led3.read() == 1){
+                pc.putc('1');
+            }else{
+                pc.putc('0');
+            }
+            if(led4.read() == 1){
+                pc.putc('1');
+            }else{
+                pc.putc('0');
+            }
+        }
+    }//end of infinite loop
+    
+}//end of main