control for robotic arm that can play chess using a granular gripper
Dependencies: Encoder mbed HIDScope Servo MODSERIAL
Fork of chessRobot by
buttons.cpp@130:2542f844ba1e, 2015-10-30 (annotated)
- Committer:
- annesteenbeek
- Date:
- Fri Oct 30 10:32:49 2015 +0100
- Revision:
- 130:2542f844ba1e
- Parent:
- 124:f67ce69557db
changes
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
annesteenbeek | 14:0c0d1bfd94ea | 1 | #include "buttons.h" |
annesteenbeek | 14:0c0d1bfd94ea | 2 | #include "mbed.h" |
annesteenbeek | 17:872fcf85116d | 3 | #include "config.h" |
annesteenbeek | 25:874675516927 | 4 | #include "actuators.h" |
annesteenbeek | 57:43f707648f2b | 5 | #include "PID.h" |
annesteenbeek | 57:43f707648f2b | 6 | |
annesteenbeek | 107:de47331612d9 | 7 | #define SETPOS |
annesteenbeek | 107:de47331612d9 | 8 | |
annesteenbeek | 107:de47331612d9 | 9 | |
annesteenbeek | 0:525558a26464 | 10 | // functions for reading all the buttons and switches |
annesteenbeek | 106:1773bf7b95c5 | 11 | AnalogIn pot1(pot1Pin); |
annesteenbeek | 27:5eb5ec295ab2 | 12 | AnalogIn pot2(pot2Pin); |
annesteenbeek | 0:525558a26464 | 13 | |
annesteenbeek |
32:2006977785f5 | 14 | // Led states: |
annesteenbeek |
32:2006977785f5 | 15 | // 0 leds: motors disabled |
annesteenbeek | 35:e26a573e3e9f | 16 | // redLed: control X speed |
annesteenbeek | 35:e26a573e3e9f | 17 | // greenLed: control Y speed |
annesteenbeek | 35:e26a573e3e9f | 18 | // blueLed: control Servo pos |
annesteenbeek | 36:6f9670eb9168 | 19 | DigitalOut redLed(LED_RED); |
annesteenbeek | 36:6f9670eb9168 | 20 | DigitalOut greenLed(LED_GREEN); |
annesteenbeek | 36:6f9670eb9168 | 21 | DigitalOut blueLed(LED_BLUE); |
annesteenbeek |
32:2006977785f5 | 22 | |
annesteenbeek | 41:d5c3055a7bc7 | 23 | DigitalIn button1(button1Pin); |
annesteenbeek | 41:d5c3055a7bc7 | 24 | DigitalIn button2(button2Pin); |
annesteenbeek | 42:d36d216457c4 | 25 | bool button1Pressed = false; |
annesteenbeek | 42:d36d216457c4 | 26 | bool button2Pressed = false; |
annesteenbeek |
32:2006977785f5 | 27 | int actuatorState = 0; |
annesteenbeek | 57:43f707648f2b | 28 | int PIDparam = 0; |
annesteenbeek |
32:2006977785f5 | 29 | |
annesteenbeek | 62:6c566e6f9664 | 30 | double pot1Val = 0; |
annesteenbeek | 62:6c566e6f9664 | 31 | double pot2Val = 0; |
annesteenbeek | 62:6c566e6f9664 | 32 | double Kp = 1; |
annesteenbeek | 62:6c566e6f9664 | 33 | double Ki = 0; |
annesteenbeek | 62:6c566e6f9664 | 34 | double Kd = 0; |
annesteenbeek | 34:f315b2b38555 | 35 | |
annesteenbeek |
32:2006977785f5 | 36 | |
annesteenbeek | 0:525558a26464 | 37 | void checkSwitches(){ |
annesteenbeek |
32:2006977785f5 | 38 | |
annesteenbeek | 57:43f707648f2b | 39 | // read potmeter values |
annesteenbeek | 57:43f707648f2b | 40 | pot1Val = pot1.read(); |
annesteenbeek | 57:43f707648f2b | 41 | pot2Val = pot2.read(); |
annesteenbeek |
32:2006977785f5 | 42 | |
annesteenbeek | 57:43f707648f2b | 43 | // button 1 pressed |
annesteenbeek | 57:43f707648f2b | 44 | if(button1.read() == 0){ |
annesteenbeek | 40:0d88aa25a57d | 45 | if (button1Pressed != true){ |
annesteenbeek | 40:0d88aa25a57d | 46 | motorsEnable = !motorsEnable; |
annesteenbeek | 40:0d88aa25a57d | 47 | button1Pressed = true; |
annesteenbeek | 40:0d88aa25a57d | 48 | } |
annesteenbeek | 40:0d88aa25a57d | 49 | }else{ |
annesteenbeek | 40:0d88aa25a57d | 50 | button1Pressed = false; |
annesteenbeek |
32:2006977785f5 | 51 | } |
annesteenbeek | 57:43f707648f2b | 52 | |
annesteenbeek | 57:43f707648f2b | 53 | #ifdef TUNEPID |
annesteenbeek | 57:43f707648f2b | 54 | setForPID(); // if TUNEPID is defined, use potmeters for PID tuning |
annesteenbeek | 107:de47331612d9 | 55 | #endif |
annesteenbeek | 107:de47331612d9 | 56 | #ifdef SETPOS |
annesteenbeek | 124:f67ce69557db | 57 | if(usePotmeters){ |
annesteenbeek | 57:43f707648f2b | 58 | setForPositions(); // else use it for motor control |
annesteenbeek | 124:f67ce69557db | 59 | } |
annesteenbeek | 57:43f707648f2b | 60 | #endif |
annesteenbeek | 57:43f707648f2b | 61 | } |
annesteenbeek | 57:43f707648f2b | 62 | |
annesteenbeek | 57:43f707648f2b | 63 | void setForPID(){ |
annesteenbeek | 57:43f707648f2b | 64 | if(button2.read() == 0){ |
annesteenbeek | 57:43f707648f2b | 65 | if(button2Pressed != true){ |
annesteenbeek | 57:43f707648f2b | 66 | PIDparam++; |
annesteenbeek | 57:43f707648f2b | 67 | if(PIDparam==3){ |
annesteenbeek | 57:43f707648f2b | 68 | PIDparam = 0; |
annesteenbeek | 57:43f707648f2b | 69 | } |
annesteenbeek | 57:43f707648f2b | 70 | button2Pressed = true; |
annesteenbeek | 57:43f707648f2b | 71 | } |
annesteenbeek | 57:43f707648f2b | 72 | }else{ |
annesteenbeek | 57:43f707648f2b | 73 | button2Pressed = false; |
annesteenbeek | 57:43f707648f2b | 74 | } |
annesteenbeek | 57:43f707648f2b | 75 | |
annesteenbeek | 57:43f707648f2b | 76 | if(motorsEnable){ |
annesteenbeek | 57:43f707648f2b | 77 | motor2SetSpeed = 300*pot2.read(); |
annesteenbeek | 57:43f707648f2b | 78 | switch (PIDparam){ |
annesteenbeek | 57:43f707648f2b | 79 | case 0: // potmeters control P gain |
annesteenbeek | 57:43f707648f2b | 80 | redLed.write(0); greenLed.write(1); blueLed.write(1); |
annesteenbeek | 60:20945383ad1b | 81 | Kp =3* pot1.read()+1; |
annesteenbeek | 57:43f707648f2b | 82 | break; |
annesteenbeek | 57:43f707648f2b | 83 | case 1: // potmeters control I gain |
annesteenbeek | 57:43f707648f2b | 84 | redLed.write(1); greenLed.write(0); blueLed.write(1); |
annesteenbeek | 60:20945383ad1b | 85 | Ki = pot1.read(); |
annesteenbeek | 57:43f707648f2b | 86 | break; |
annesteenbeek | 57:43f707648f2b | 87 | case 2: // potmeters control D gain |
annesteenbeek | 57:43f707648f2b | 88 | redLed.write(1); greenLed.write(1); blueLed.write(0); |
annesteenbeek | 60:20945383ad1b | 89 | Kd = pot1.read(); |
annesteenbeek | 57:43f707648f2b | 90 | break; |
annesteenbeek | 57:43f707648f2b | 91 | } |
annesteenbeek | 57:43f707648f2b | 92 | motor2PID.SetTunings(Kp, Ki, Kd); |
annesteenbeek | 57:43f707648f2b | 93 | }else{ |
annesteenbeek | 57:43f707648f2b | 94 | redLed.write(1); greenLed.write(1); blueLed.write(1); |
annesteenbeek | 57:43f707648f2b | 95 | } |
annesteenbeek | 57:43f707648f2b | 96 | } |
annesteenbeek | 57:43f707648f2b | 97 | |
annesteenbeek | 57:43f707648f2b | 98 | void setForPositions(){ |
annesteenbeek | 57:43f707648f2b | 99 | // 3 states: X control, Y control en Servo control |
annesteenbeek | 57:43f707648f2b | 100 | // button 1 to enable/disable actuators |
annesteenbeek | 57:43f707648f2b | 101 | // button 2 to switch between states |
annesteenbeek | 57:43f707648f2b | 102 | |
annesteenbeek | 57:43f707648f2b | 103 | |
annesteenbeek | 44:a947bc232d84 | 104 | if(button2.read() == 0){ |
annesteenbeek | 40:0d88aa25a57d | 105 | if(button2Pressed != true){ |
annesteenbeek | 40:0d88aa25a57d | 106 | actuatorState++; |
annesteenbeek | 40:0d88aa25a57d | 107 | if(actuatorState==3){ |
annesteenbeek | 40:0d88aa25a57d | 108 | actuatorState = 0; |
annesteenbeek | 40:0d88aa25a57d | 109 | } |
annesteenbeek | 40:0d88aa25a57d | 110 | button2Pressed = true; |
annesteenbeek | 34:f315b2b38555 | 111 | } |
annesteenbeek | 40:0d88aa25a57d | 112 | }else{ |
annesteenbeek | 40:0d88aa25a57d | 113 | button2Pressed = false; |
annesteenbeek |
32:2006977785f5 | 114 | } |
annesteenbeek |
32:2006977785f5 | 115 | |
annesteenbeek | 57:43f707648f2b | 116 | |
annesteenbeek |
32:2006977785f5 | 117 | |
annesteenbeek |
32:2006977785f5 | 118 | if(motorsEnable){ |
annesteenbeek |
32:2006977785f5 | 119 | switch (actuatorState){ |
annesteenbeek |
32:2006977785f5 | 120 | case 0: // potmeters control X speed |
annesteenbeek | 36:6f9670eb9168 | 121 | redLed.write(0); greenLed.write(1); blueLed.write(1); |
annesteenbeek | 118:49605b5bd802 | 122 | setXSpeed = 0.1*(pot2.read()-pot1.read()); |
annesteenbeek |
32:2006977785f5 | 123 | break; |
annesteenbeek |
32:2006977785f5 | 124 | case 1: // potmeters control Y speed |
annesteenbeek | 36:6f9670eb9168 | 125 | redLed.write(1); greenLed.write(0); blueLed.write(1); |
annesteenbeek | 118:49605b5bd802 | 126 | setYSpeed = 0.1*(pot2.read()-pot1.read()); |
annesteenbeek |
32:2006977785f5 | 127 | break; |
annesteenbeek |
32:2006977785f5 | 128 | case 2: // potmeters control Servo pos |
annesteenbeek | 36:6f9670eb9168 | 129 | redLed.write(1); greenLed.write(1); blueLed.write(0); |
annesteenbeek | 99:7030e9790b1d | 130 | servoSpeed = pot2.read(); |
annesteenbeek |
32:2006977785f5 | 131 | break; |
annesteenbeek |
32:2006977785f5 | 132 | } |
annesteenbeek |
32:2006977785f5 | 133 | }else{ |
annesteenbeek | 36:6f9670eb9168 | 134 | redLed.write(1); greenLed.write(1); blueLed.write(1); |
annesteenbeek |
32:2006977785f5 | 135 | } |
annesteenbeek | 57:43f707648f2b | 136 | } |