Steven Kay / MC33926

A simple motor driver for the MC33926 chip, commonly found on the Polulu md11a breakout https://www.pololu.com/product/1213.

MC33926.h@0:3163bb06484b, 2017-04-30 (annotated)

Committer:
sk398
Date:
Sun Apr 30 16:14:35 2017 +0000
Revision:
0:3163bb06484b
Library for driving the MC33926 Motor Driver chip which is commonly found on the Polulu md11a, with two MC33926 drivers https://www.pololu.com/product/1213

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sk398 0:3163bb06484b 1 /********************************************************************************************
sk398 0:3163bb06484b 2
sk398 0:3163bb06484b 3 Filename: MC33926.h
sk398 0:3163bb06484b 4
sk398 0:3163bb06484b 5 Original Author: Steven Kay
sk398 0:3163bb06484b 6
sk398 0:3163bb06484b 7 Development Group: Steve!!
sk398 0:3163bb06484b 8
sk398 0:3163bb06484b 9 Original Creation Date: April 2017
sk398 0:3163bb06484b 10
sk398 0:3163bb06484b 11 Description: <Desc>
sk398 0:3163bb06484b 12
sk398 0:3163bb06484b 13 Revision History: Version 1.0 - Initial Release
sk398 0:3163bb06484b 14
sk398 0:3163bb06484b 15 *********************************************************************************************/
sk398 0:3163bb06484b 16
sk398 0:3163bb06484b 17 #ifndef MC33926_H
sk398 0:3163bb06484b 18 #define MC33926_H
sk398 0:3163bb06484b 19
sk398 0:3163bb06484b 20
sk398 0:3163bb06484b 21 #include "mbed.h"
sk398 0:3163bb06484b 22
sk398 0:3163bb06484b 23
sk398 0:3163bb06484b 24 #define DRIVER_PWM_PERIOD 2
sk398 0:3163bb06484b 25
sk398 0:3163bb06484b 26
sk398 0:3163bb06484b 27 #define RESET 2
sk398 0:3163bb06484b 28 #define FORWARD 1
sk398 0:3163bb06484b 29 #define REVERSE 0
sk398 0:3163bb06484b 30
sk398 0:3163bb06484b 31
sk398 0:3163bb06484b 32 class MC33926
sk398 0:3163bb06484b 33 {
sk398 0:3163bb06484b 34
sk398 0:3163bb06484b 35 public:
sk398 0:3163bb06484b 36
sk398 0:3163bb06484b 37 MC33926(PinName pinIN1, PinName pinIN2, PinName pinFB, PinName pinSF);
sk398 0:3163bb06484b 38
sk398 0:3163bb06484b 39
sk398 0:3163bb06484b 40 void SetPWMPulsewidth(int direction, float PWM_Pulsewidth);
sk398 0:3163bb06484b 41
sk398 0:3163bb06484b 42 float ReadCurrentFeedback();
sk398 0:3163bb06484b 43
sk398 0:3163bb06484b 44 // Implemented on v2.0
sk398 0:3163bb06484b 45 // void StatusFlagWatch(bool latchPol);
sk398 0:3163bb06484b 46 // bool GetStatus();
sk398 0:3163bb06484b 47 // void ResetStatus();
sk398 0:3163bb06484b 48
sk398 0:3163bb06484b 49 protected:
sk398 0:3163bb06484b 50
sk398 0:3163bb06484b 51 PwmOut *_pinIN1;
sk398 0:3163bb06484b 52 PwmOut *_pinIN2;
sk398 0:3163bb06484b 53 AnalogIn *_pinFB;
sk398 0:3163bb06484b 54 InterruptIn *_pinSF;
sk398 0:3163bb06484b 55
sk398 0:3163bb06484b 56 volatile bool statusFlag;
sk398 0:3163bb06484b 57
sk398 0:3163bb06484b 58
sk398 0:3163bb06484b 59 void StatusFlagISR();
sk398 0:3163bb06484b 60
sk398 0:3163bb06484b 61
sk398 0:3163bb06484b 62 };
sk398 0:3163bb06484b 63
sk398 0:3163bb06484b 64 #endif