Script for controlling 2 DC-motors and a gripper-servo using buttons

Dependencies:   MODSERIAL QEI Servo mbed

Revision:
12:35a81d6c6505
Parent:
11:b1ad5267a6bd
Child:
13:ea065d364277
--- a/main.cpp	Mon Oct 17 13:01:00 2016 +0000
+++ b/main.cpp	Wed Oct 19 11:54:55 2016 +0000
@@ -9,10 +9,10 @@
 Ticker encoder_M1_ticker;       //Create a ticker for reading the encoder data of encoder_M1
 Ticker encoder_M2_ticker;       //Create a ticker for reading the encoder data of encoder_M2
 
-DigitalOut Direction_M1(D4);    //To control the rotation direction of the arm
-PwmOut Speed_M1(D5);            //To control the rotation speed of the arm
-PwmOut Speed_M2(D6);            //To control the translation direction of the arm
-DigitalOut Direction_M2(D7);    //To control the translation speed of the arm
+DigitalOut Direction_M2(D4);    //To control the rotation direction of the arm
+PwmOut Speed_M2(D5);            //To control the rotation speed of the arm
+PwmOut Speed_M1(D6);            //To control the translation direction of the arm
+DigitalOut Direction_M1(D7);    //To control the translation speed of the arm
 Servo gripper_servo(D13);       //To control the gripper
 
 InterruptIn Switch_1(SW2);      //Switch 1 to control the rotation to the left
@@ -39,16 +39,19 @@
 double speedM1=speed_rotation/8.4;      //Map the rotation speed from (0-8.4) to (0-1) by dividing by 8.4
 double speedM2=speed_translation/8.4;   //Map the translation speed from (0-8.4) to (0-1) by dividing by 8.4
 
+float angle_M1=0;
+float angle_M2=0;
+
 void read_position_M1(){                            //Function to read the position of motor 1
-    int pulses_M1 = encoder_M1.getPulses();         //Read the encoder data and store it in pulses_M1
-    float angle_M1 = float(pulses_M1)/4200*2.0*pi;  //Calculate the angle that corresponds with the measured encoder pulses
-//    pc.printf("%i \t%f \t", pulses_M1, angle_M1);
+    int pulses_M1 = -encoder_M1.getPulses();         //Read the encoder data and store it in pulses_M1
+    angle_M1 = float(pulses_M1)/4200*2.0*pi;  //Calculate the angle that corresponds with the measured encoder pulses
+    pc.printf("%i \t%f \t", pulses_M1, angle_M1);
 }
 
 void read_position_M2(){                            //Function to read the position of motor 2
-    int pulses_M2 = encoder_M2.getPulses();         //Read the encoder data and store it in pulses_M2
-    float angle_M2 = float(pulses_M2)/4200*2.0*pi;  //Calculate the angle that corresponds with the measured encoder pulses
-//    pc.printf("%i \t%f \n", pulses_M2, angle_M2);
+    int pulses_M2 = -encoder_M2.getPulses();         //Read the encoder data and store it in pulses_M2
+    angle_M2 = float(pulses_M2)/4200*2.0*pi;  //Calculate the angle that corresponds with the measured encoder pulses
+    pc.printf("%i \t%f \n", pulses_M2, angle_M2);
 }
 
 void activate_rotation_left (){             //To activate the rotation_left
@@ -62,16 +65,16 @@
 void rotation_left (){                      //Function to control the rotation to the left
     switch (counter_rotation_left){         //Create a switch statement
         case 1:                             //For activating the rotation to the left
-            Direction_M1 = 1;               //The arm will rotate to the left  
+            Direction_M1 = 0;               //The arm will rotate to the left  
             Speed_M1 = speedM1;             //The motor is turned on at speed_rotation rad/sec
             pc.printf("The arm will now rotate to the left with %f rad/sec \n", speedM1);
-            wait(0.5f);
+            wait(0.1f);
             break;
         case 2:                             //For stopping the rotation to the left
-            Direction_M1 = 1;               //The arm will rotate to the left  
+            Direction_M1 = 0;               //The arm will rotate to the left  
             Speed_M1 = 0;                   //The motor is turned off
             pc.printf("The arm will now stop rotating to the left \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
     }
 }
@@ -87,16 +90,16 @@
 void rotation_right (){                     //Function to control the rotation to the left
     switch (counter_rotation_right){        //Create a switch statement
         case 1:                             //For activation the rotation to the right
-            Direction_M1 = 0;               //The arm will rotate to the right 
+            Direction_M1 = 1;               //The arm will rotate to the right 
             Speed_M1 = speedM1;             //The motor is turned on at speed_rotation rad/sec
             pc.printf("The arm will now rotate to the right with %f rad/sec \n", speedM1);
-            wait(0.5f);
+            wait(0.1f);
             break;
         case 2:                              //For stopping the rotation to the right
-            Direction_M1 = 0;                //The arm will rotate to the right
+            Direction_M1 = 1;                //The arm will rotate to the right
             Speed_M1 = 0;                    //The motor is turned off
             pc.printf("The arm will now stop rotating to the right \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
     }
 }
@@ -115,25 +118,25 @@
             Direction_M2 = 1;                   //The arm will get longer  
             Speed_M2 = speedM2;                 //The motor is turned on at speed_translation rad/sec
             pc.printf("The arm will now get longer \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
         case 2:                                 //For stopping the elongation of the arm
             Direction_M2 = 1;                   //The arm will get longer  
             Speed_M2 = 0;                       //The motor is turned off
             pc.printf("The arm will now stop getting longer \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
         case 3:                                 //For activating the shortening of the arm
             Direction_M2 = 0;                   //The arm will get shorter  
             Speed_M2 = speedM2;                 //The motor is turned on at speed_translation rad/sec
             pc.printf("The arm will now get shorter \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
         case 4:                                 //For stopping the shortening of the arm
             Direction_M2 = 0;                   //The arm will get shorter 
             Speed_M2 = 0;                       //The motor is turned off
             pc.printf("The arm will now stop getting shorter \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
     }     
 }
@@ -151,12 +154,12 @@
         case 1:                         //For closing the gripper
             gripper_servo = 0;          //The gripper is now closed
             pc.printf("The gripper will now close \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
         case 2:                         //For opening the gripper
             gripper_servo = 1;          //The gripper is now open
             pc.printf("The gripper will now open \n");
-            wait(0.5f);
+            wait(0.1f);
             break;
     }     
 }
@@ -182,21 +185,21 @@
     Switch_4.rise(&activate_gripper);                   //Use switch_4 to activate the counter_gripper go-flag
 
     while (true){
-        if (rotation_left_go == true){                  //If the rotation_left go-flag is true
-            rotation_left_go = false;                   //Set the rotation_left go-flag to false
-            rotation_left();                            //Execute the rotation_left function
+        if (rotation_left_go == true) {                         //If the rotation_left go-flag is true
+            rotation_left_go = false;                       //Set the rotation_left go-flag to false
+            rotation_left();                                //Execute the rotation_left function
         }
-        if (rotation_right_go == true){                 //If the rotation_right go-flag is true
-            rotation_right_go = false;                  //Set the rotation_right go-flag to false
-            rotation_right();                           //Execute the rotation_right function
+        if (rotation_right_go == true) {                        //If the rotation_right go-flag is true
+            rotation_right_go = false;                      //Set the rotation_right go-flag to false
+            rotation_right();                               //Execute the rotation_right function
         }
-        if (translation_go == true){                    //If the translation go-flag is true
-            translation_go = false;                     //Set the translation go-flag to false
-            translation();                              //Execute the translation function
+        if (translation_go == true) {                           //If the translation go-flag is true
+            translation_go = false;                         //Set the translation go-flag to false
+            translation();                                  //Execute the translation function
         }
-        if (gripper_go == true){                        //If the gripper go-flag is true
-            gripper_go = false;                         //Set the gripper go-flag to false
-            gripper();                                  //Execute the gripper function
+        if (gripper_go == true) {                               //If the gripper go-flag is true
+            gripper_go = false;                                 //Set the gripper go-flag to false
+            gripper();                                          //Execute the gripper function
         }
     }
 }
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