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encoderBase.cpp
- Committer:
- Weranest
- Date:
- 2018-02-15
- Revision:
- 0:62e51b80d738
- Child:
- 1:12f18cede014
File content as of revision 0:62e51b80d738:
#include "mbed.h" #include "QEI.h" #include "pins.cpp" #define ENCODER_PULSE 256 //per manual #define GEAR_RATIO #define SAMPLE_TIME //user defined #define WHEEL_DISTANCE //need to measure that //these lines setup the encoders for both wheels QEI encoderRight(channelARight, channelBRight, channelIRight, ENCODER_PULSE); QEI encoderLeft(channelALeft, channelBLeft, channelILeft, ENCODER_PULSE); //main wheel class, the subclasses should follow later class Wheel{ int currentPulses, previousPulses; public: float wheelVelocity(float, int){ } private: float sampleTime= SAMPLE_TIME int gearRatio = GEAR_RATIO; float encoderVelocity(){ return (currentEncoderTicks-previousEncoderTicks)/sampleTime; } int encoderTicks(){ previousEncoderTicks=currentEncoderTicks; currentEncoderTicks= } } wheelRight, wheelLeft; class WheelLeft //call this for speed, linear and angular class Buggy{ public: float speedLinear(float wheelVelocityRight, float wheelVelocityLeft){ return (wheelVelocityRight+wheelVelocityLeft)/2; } float speedAngular(float wheelVelocityRight, float wheelVelocityLeft){ return (wheelVelocityRight-wheelVelocityLeft)/WHEEL_DISTANCE; } } class Buggy{ float speed = float angular = }buggy;