Eimantas Bernotavicius / Mbed 2 deprecated Buggy_Project

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   QEI mbed

encoderBase.cpp@1:12f18cede014, 2018-02-15 (annotated)

Committer:
Weranest
Date:
Thu Feb 15 20:17:42 2018 +0000
Revision:
1:12f18cede014
Parent:
0:62e51b80d738
Child:
2:7f4be54c7257
Working motor pwm complete

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Weranest 1:12f18cede014 1 /*#include "mbed.h"
Weranest 0:62e51b80d738 2 #include "QEI.h"
Weranest 0:62e51b80d738 3 #include "pins.cpp"
Weranest 0:62e51b80d738 4 #define ENCODER_PULSE 256 //per manual
Weranest 0:62e51b80d738 5 #define GEAR_RATIO
Weranest 1:12f18cede014 6 #define SAMPLE_TIME 1.0f //user defined
Weranest 0:62e51b80d738 7 #define WHEEL_DISTANCE //need to measure that
Weranest 0:62e51b80d738 8
Weranest 0:62e51b80d738 9 //these lines setup the encoders for both wheels
Weranest 0:62e51b80d738 10 QEI encoderRight(channelARight, channelBRight, channelIRight, ENCODER_PULSE);
Weranest 0:62e51b80d738 11 QEI encoderLeft(channelALeft, channelBLeft, channelILeft, ENCODER_PULSE);
Weranest 0:62e51b80d738 12
Weranest 0:62e51b80d738 13 //main wheel class, the subclasses should follow later
Weranest 0:62e51b80d738 14 class Wheel{
Weranest 0:62e51b80d738 15 int currentPulses, previousPulses;
Weranest 0:62e51b80d738 16 public:
Weranest 0:62e51b80d738 17 float wheelVelocity(float, int){
Weranest 0:62e51b80d738 18 }
Weranest 0:62e51b80d738 19 private:
Weranest 1:12f18cede014 20 float sampleTime= SAMPLE_TIME;
Weranest 0:62e51b80d738 21 int gearRatio = GEAR_RATIO;
Weranest 0:62e51b80d738 22 float encoderVelocity(){
Weranest 0:62e51b80d738 23 return (currentEncoderTicks-previousEncoderTicks)/sampleTime;
Weranest 0:62e51b80d738 24 }
Weranest 1:12f18cede014 25
Weranest 0:62e51b80d738 26 } wheelRight, wheelLeft;
Weranest 0:62e51b80d738 27
Weranest 0:62e51b80d738 28 class WheelLeft
Weranest 0:62e51b80d738 29
Weranest 0:62e51b80d738 30 //call this for speed, linear and angular
Weranest 0:62e51b80d738 31 class Buggy{
Weranest 0:62e51b80d738 32 public:
Weranest 0:62e51b80d738 33 float speedLinear(float wheelVelocityRight, float wheelVelocityLeft){
Weranest 0:62e51b80d738 34 return (wheelVelocityRight+wheelVelocityLeft)/2;
Weranest 0:62e51b80d738 35 }
Weranest 0:62e51b80d738 36 float speedAngular(float wheelVelocityRight, float wheelVelocityLeft){
Weranest 0:62e51b80d738 37 return (wheelVelocityRight-wheelVelocityLeft)/WHEEL_DISTANCE;
Weranest 0:62e51b80d738 38 }
Weranest 0:62e51b80d738 39 }
Weranest 1:12f18cede014 40 int encoderTicks(){
Weranest 1:12f18cede014 41 previousEncoderTicks=currentEncoderTicks;
Weranest 1:12f18cede014 42 currentEncoderTicks=
Weranest 1:12f18cede014 43 }
Weranest 0:62e51b80d738 44
Weranest 0:62e51b80d738 45
Weranest 1:12f18cede014 46 */