Revision 4:3588eff6d065, committed 2014-03-12

Comitter:

dbearg

Date:

Wed Mar 12 21:38:21 2014 +0000

Parent:

3:59a9bd160e29

Commit message:

added section for code help.; added button lockout to protect motor and gears.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/code_help.cpp	Wed Mar 12 21:38:21 2014 +0000
@@ -0,0 +1,134 @@
+//%%=================================%%
+//%%   FLOWCHART TO CODE CONVERSION  %%
+//%%=================================%%
+// 
+//           DECISION BOX
+//          --------------
+//     
+//   
+//   ____
+//  / A=B \__TRUE____>
+//  \_____/      
+//     |______FALSE
+//     
+//              CODE
+//            --------
+//
+//           a equals b
+//
+//  if(a == b){ 
+//       ; 
+//       ; 
+//  }
+//
+//       a less than or = to b
+//
+//  if(a <= b){
+//        ; 
+//        ; 
+//  }
+//
+//=======================================
+//
+//             INPUTS
+//            --------
+//   ____
+//  |____|  
+//    |
+//    V
+//              CODE
+//            --------
+//  type name(pin);
+//
+//  TYPES:
+//      DigitalIn
+//      AnalogIn
+//
+//  EXAMPLES:
+//      DigitalIn  enable(p30);
+//      AnalogIn   ain(p19);
+//
+//
+//
+//==========================================
+//
+//             VARIABLES
+//            -----------
+//   ____
+//  |____|  
+//    |
+//    V
+//              CODE
+//            --------
+//
+//  type variable = value;
+//  types:
+//  int.........integer (whole numbers, 1, 4, 128, etc)
+//  float.......floating point decimal (0.1, 3.62783, etc)
+//
+//  NOTE: value has to match data type.
+//  see website http://mbed.org/handbook/C-Data-Types for more information
+//
+//
+//===========================================
+//
+//
+//          COUNTER LOOP EXAMPLE
+//         ----------------------
+//  ____________
+// |            |
+// |   MOTOR    |
+// | SPEED = A  |
+// |____________|   
+//        |                      ___________________________________
+//  ______V____________         |                                   |
+// |                   |        | SOME INCREMENTED ACTION, EXAMPLE: |
+// | IF COUNT = X THEN |<_______| MOTOR SPEED IS MOTOR SPEED + A    |        
+// | BREAK THE LOOP    |        |___________________________________|
+// |___________________|                            ^
+//    |        |           ___________              |
+//    |        |          |           |             |
+//    |        |_________>| COUNT + 1 |_____________|
+//    V                   |___________|
+//
+//              CODE
+//             ------
+//
+//  for(int count = 0; count <10; count = count + 1){
+//        ; 
+//        ; 
+//  }
+//
+//
+//
+//============================================
+//
+//
+//          CONTINUOUS LOOP EXAMPLE
+//         -------------------------
+//
+//     _______________
+//    |               |
+//    | START OF LOOP |
+//    |_______________|         
+//             |
+//             |<--------------- 
+//             |                |
+//     ________V________        | 
+//    |                 |       |
+//    | LOGIC STATEMENT |       |
+//    |_________________|       |                      
+//             |                | 
+//     ________V________        |  
+//    |                 |       |
+//    | LOGIC STATEMENT |_______|     
+//    |_________________|        
+//
+//              CODE
+//             ------
+//
+//    while(1) {
+//        ; 
+//        ; 
+//    }
+//

--- a/main.cpp	Sat Feb 01 18:26:06 2014 +0000
+++ b/main.cpp	Wed Mar 12 21:38:21 2014 +0000
@@ -1,17 +1,18 @@
-//==================================
-//
-//          PLTW PROGRAM
-//   ----------------------------
-// Controls a PWM output using 
-// digital inputs
-//
-// SPEEDS:
-//  0.00 - 0.49 reverse
-//  0.49 - 0.51 zero
-//  0.51 - 1.00 forward
-
-//==================================
-
+//=======================================|
+//%|==================================|%%|
+//%|                                  |%%|
+//%|          PLTW PROGRAM            |%%|
+//%|   ----------------------------   |%%|
+//%|  Controls a PWM output using     |%%|
+//%|  digital inputs                  |%%|
+//%|                                  |%%|
+//%|  MOTOR SPEED:                    |%%|
+//%|   0.00 - 0.49 reverse            |%%|
+//%|   0.49 - 0.51 zero               |%%| 
+//%|   0.51 - 1.00 forward            |%%|
+//%|                                  |%%|
+//%|==================================|%%|
+//=======================================|
 
 //==================================
 // Add any libraries that you use:
@@ -37,6 +38,9 @@
 //add variables for button inputs on pins 15, 16, 17, and 18.
 InterruptIn a(p18), b(p17), c(p16), d(p15);
 
+//add variable for button press     //=========================================== NEW
+int apress = 0;                     //=========================================== NEW
+
 //==================================
 // Functions for each button press
 //==================================
@@ -45,23 +49,33 @@
 // Functions for button 1
 void a_hit_interrupt (void) {
 
-    //move VEX motor (1 is full CCW, 0 is full CW)
-    speed = 1.0;
-    motor1 = speed;
-    //set the motor on duration in seconds:
-    wait(1);
-    //stop motor
-    speed = 0.5;
-    motor1 = speed;
+    if(apress == 0){                    // PRESSING A WILL DO NOTHING AFTER THE FIRST PRESS
+                                        // UNLESS THE B BUTTON HAS BEEN PRESSED
+        //set the apress variable to 1  // SET APRESS VARIABLE TO 1
+        apress = 1;                     // SET APRESS VARIABLE TO 1
+        
+        //move VEX motor (1 is full CCW, 0 is full CW)
+        speed = 1.0;
+        motor1 = speed;
+        //set the motor on duration in seconds:
+        wait(1);
+        //stop motor
+        speed = 0.5;
+        motor1 = speed;
     
-    //Set LED 1
-    led1 = 1, led2 = 0, led3 = 0, led4 = 0;
+        //Set LED 1
+        led1 = 1, led2 = 0, led3 = 0, led4 = 0;
+    }
 }
  
  
  
 // Functions for button 2
 void b_hit_interrupt (void) {
+    if(apress == 1){                // PRESSING B WILL DO NOTHING IF A HAS NOT PRESSED
+    
+        //set the apress variable to 1  // RESET APRESS VARIABLE TO 0
+        apress = 0;                     // RESET APRESS VARIABLE TO 0
 
     //move VEX motor (1 is full CCW, 0 is full CW)
     speed = 0.0;
@@ -74,6 +88,7 @@
     
     //Set LED 2
     led1 = 0, led2 = 1, led3 = 0, led4 = 0;    
+    }
 }