7 Segment dash dot

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
sandeshkumar
Date:
Mon Feb 02 21:46:26 2015 +0000
Commit message:
Initial Commit;

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
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);
+    }
+    
+    
+}
\ No newline at end of file
diff -r 000000000000 -r 382ba90ab57f mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Feb 02 21:46:26 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5
\ No newline at end of file