Diff: main.cpp

Revision:

0:382ba90ab57f

diff -r 000000000000 -r 382ba90ab57f main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 02 21:46:26 2015 +0000
@@ -0,0 +1,80 @@
+#include "mbed.h"
+ 
+InterruptIn pin22(p22);
+DigitalOut led1(LED1);
+
+DigitalOut dash(p19);
+DigitalOut dot(p20);
+
+Timer interruptTimer;
+Timer spaceCountTimer;
+
+bool isInterruptTimerRunning = 1;
+
+Serial pc(USBTX, USBRX);//tx, rx
+
+void classify(int elapsedTime) {
+        if(elapsedTime >= 30 && elapsedTime < 200) {
+                pc.printf("Dot\t");
+                dot = 0;
+                wait(0.05);
+                dot = 1;
+                
+        } else if(elapsedTime < 400 && elapsedTime >= 200) {
+            pc.printf("Dash\t");
+            dash = 0;
+            wait(0.05);
+            dash = 1;
+        }
+            
+}
+
+void checkForSpace(int elapsedTime) {
+    if(elapsedTime > 400) {
+        pc.printf("Space\t");    
+        spaceCountTimer.reset();
+    }    
+    
+}
+
+void riseLed1() {
+//    int elapsedTime = spaceCountTimer.read_ms();
+//    checkForSpace(elapsedTime);
+    spaceCountTimer.reset();
+    if(isInterruptTimerRunning) {
+        interruptTimer.start();
+    } else {
+        interruptTimer.reset();    
+    }
+    led1 = 1;
+}
+
+void fallLed1() {
+    int elapsedTime = interruptTimer.read_ms(); 
+//    interruptTimer.stop();
+    classify(elapsedTime);
+    isInterruptTimerRunning = 0;
+    spaceCountTimer.reset();
+    led1 = 0;
+}
+
+int main() {
+    
+    spaceCountTimer.start();
+    pc.baud(9600);
+    
+    dot = 1;
+    dash = 1;
+    
+    int elapsedTime;
+    
+    pin22.rise(&riseLed1);  // attach the address of the flip function to the rising edge
+    pin22.fall(&fallLed1);
+    while(1) {           // wait around, interrupts will interrupt this!
+//        wait(0.1);
+        elapsedTime = spaceCountTimer.read_ms();
+        checkForSpace(elapsedTime);
+    }
+    
+    
+}
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