Revision 12:b80dde24e9bc, committed 2017-10-18

Comitter:

aismail1997

Date:

Wed Oct 18 14:41:04 2017 +0000

Parent:

11:b302c71e300f

Child:

13:581a3b02f4c3

Commit message:

added comments

Changed in this revision

--- a/button.cpp	Wed Oct 18 14:06:19 2017 +0000
+++ b/button.cpp	Wed Oct 18 14:41:04 2017 +0000
@@ -1,20 +1,25 @@
 #include "mbed.h"
 #include "button.h"
 
+// button constructor
 button::button(PwmOut servo, DigitalIn pb)
     : servo(servo), pb(pb) {}
 
 // FUNCTIONS
+
+// get servo pin
 PwmOut button::getServoPin()
 {
     return servo;
 }
 
-int button::getState()
+// get current state of the button
+/*int button::getState()
 {
     return state;
-}
+}*/
 
+// move servo into the slot
 void button::moveServoIn()
 {
     //myled = 1;
@@ -25,6 +30,7 @@
     }
 }
 
+// move servo out of the slot
 void button::moveServoOut()
 {
     //myled = 0;

--- a/button.h	Wed Oct 18 14:06:19 2017 +0000
+++ b/button.h	Wed Oct 18 14:41:04 2017 +0000
@@ -1,19 +1,23 @@
 #include "mbed.h"
 
+// This is a button class for our custom button
 class button {
 
+// pins connected to the button
 private:
     PwmOut servo;
     DigitalIn pb;
-    int state;
-
+    //int state; // is the button up or down
+    // int mode; // is the system in reading or typing mode
+    //AnalogIn linpot;
+    
 public:
     // constructors
     button();
     button(PwmOut servo, DigitalIn pb);
     // functions
-    PwmOut getServoPin();
-    int getState();
-    void moveServoIn();
-    void moveServoOut();
+    PwmOut getServoPin(); // get the servo pin
+    //int getState();     // determine what state the button is in - up or down
+    void moveServoIn();   // move servo into the slot
+    void moveServoOut();  // move servo out of the slot
 };
\ No newline at end of file

--- a/main.cpp	Wed Oct 18 14:06:19 2017 +0000
+++ b/main.cpp	Wed Oct 18 14:41:04 2017 +0000
@@ -4,8 +4,7 @@
 #include "SDFileSystem.h"
 #include "button.h"
 
-// Azra
-
+// DEFINE I/O
 PwmOut myservo(p21);
 DigitalIn pb1 (p20);
 //AnalogIn linpot(p20);
@@ -16,22 +15,26 @@
 wave_player waver(&DACout);
 button button1(myservo, pb1);
 
-// add start, mode, reset buttons
+// INITIALIZE VARIABLES
+// add mode, reset buttons
 int start = 0;
 int submit = 0;
 // FIX THIS: button up: state = 2, button halfway: state = 0; button down: state = 1
 int state = 2;
 
 // FUNCTIONS
+// play a file on the speaker
 void playSound(wave_player waver)
 {
     FILE *wave_file;
-    wave_file=fopen("/sd/police_siren.wav","r");
+    wave_file=fopen("/sd/lesson.wav","r");
     waver.play(wave_file);
     fclose(wave_file);
 }
 
 // THREADS
+
+// thread for the custom button
 void button_thread()
 {
     // button was up and is moving down, move servo in
@@ -44,11 +47,12 @@
         button1.moveServoOut();
         state = 2;
     }
+    Thread::wait(200); // wait till thread is done
 }
 
 void submit_thread()
 {
-
+    Thread::wait(500); // wait till thread is done
 }
 
 void start_thread()
@@ -57,6 +61,7 @@
     // if 1
     start == 1;
     // else 0
+    Thread::wait(500); // wait till thread is done
 }
 
 int main()
@@ -88,19 +93,17 @@
         // when submitted
         //while (submit == 0) {}
 
-
         // start button threads and submit thread
         // if submit close button threads and submit thread
-        // check result, speaker result
+        // check result
+        // play results on speaker
         // save results
 
-        // SD card code
-
-        // speaker code
-
         // read linear potentiometer
         //if (linpot < 0.5) {
         //float potval = linpot;
         //pc.printf("linear pot: %f\n", potval);
+        
+        Thread::wait(200); // wait till thread is done
     }
 }
\ No newline at end of file