Diff: main.cpp

Revision:

4:cc181f8f2bd1

Parent:

3:9ed43e974156

Child:

6:1aa86ad19af9

--- a/main.cpp	Fri Oct 06 13:43:36 2017 +0000
+++ b/main.cpp	Wed Oct 11 14:51:39 2017 +0000
@@ -1,51 +1,77 @@
 #include "mbed.h"
-#include "Servo.h"
-
-// Azra
+#include "wave_player.h"
+#include "SDFileSystem.h"
 
 PwmOut myservo(p21);
 DigitalIn pb1 (p20);
 //AnalogIn linpot(p20);
 Serial pc(USBTX, USBRX);
-DigitalOut myled(LED1);
+//DigitalOut myled(LED1);
+SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
+AnalogOut DACout(p26);
+wave_player waver(&DACout);
+
+void moveServoIn()
+{
+    while(pb1 == 1)
+        //myled = 1;
+        // rotate 90 degrees one way
+        for(int i=3; i<=7; i++) {
+            myservo = i/100.0;
+            wait(0.01);
+        }
+}
+
+void moveServoOut()
+{
+    while(pb1 == 1)
+        //myled = 0;
+        for(int i=7; i>3; i--) {
+            myservo = i/100.0;
+            wait(0.01);
+        }
+}
+
+void playSound()
+{
+    FILE *wave_file;
+    wave_file=fopen("/sd/police_siren.wav","r");
+    waver.play(wave_file);
+    fclose(wave_file);
+}
 
 int main()
 {
+    pc.printf("begin\n");
+
     // button up: state = 0, button halfway: state = 1; button down: state = 2
-    //int state = 0;
-    pc.printf("begin\n");
     int state = 2;
+
+    // pull up the pushbutton to prevent bouncing
     pb1.mode(PullUp);
     wait(.001);
+
+    // servo begins at 30 degrees
     for(int i=0; i<=3; i++) {
         myservo = i/100.0;
         wait(0.01);
     }
+
     while(1) {
         // Servo code
         if (pb1 == 1 && state == 2) {
-            while(pb1 == 1)
-                myled = 1;
-            // rotate 90 degrees one way
-            for(int i=3; i<=7; i++) {
-                myservo = i/100.0;
-                wait(0.01);
-            }
+            moveServoIn();
             state = 1;
         }
-        //wait(1.0);
         // rotate 90 degrees other way
         if (pb1 == 1 && state == 1) {
-            while(pb1 == 1)
-                myled = 0;
-            for(int i=7; i>3; i--) {
-                myservo = i/100.0;
-                wait(0.01);
-            }
-            //wait(0.1);
+            moveServoOut();
             state = 2;
         }
-        //wait(1.0);
+
+        // SD card code
+
+        // speaker code
 
         // read linear potentiometer
         //if (linpot < 0.5) {