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Add dynamic stepper position increasing

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StepperMotor_X27168 Class Reference
Public Types | Public Member Functions

StepperMotor_X27168 Class Reference

Stepper Motor control class. More...

#include <StepperMotor_X27168.h>

Public Types

enum  Polarity
 

Constants for motor rotate control.

More...

Public Member Functions

 StepperMotor_X27168 (PinName A_f, PinName A_r, PinName B_f, PinName B_r)
 Create a stepper motor object connected to specified DigitalOut pins.
 StepperMotor_X27168 (PinName A_f, PinName A_r, PinName B_f, PinName B_r, int init_step_position)
 Create a stepper motor object connected to specified DigitalOut pins starting at specified position.
void set_speed (float s)
 Set the motor speed (i.e.
int get_speed ()
 Get the motor speed (i.e.
void set_max_position (int p)
 Set the maximum steps the motor should take (not degrees)
int get_max_position ()
 Get the motor maximum position (int steps not degress)
int step (int dir)
 Turn the motor one step (1/2 Degree)
void step_position (int pos)
 Turn the motor to a specific step.
void angle_position (float angle)
 Turn the motor to a specific degree angle with a resolution of 0.5 degrees.

Detailed Description

Stepper Motor control class.

Stepper Motor control library.

Example: 

  #include "mbed.h"
  #include "StepperMotor_X27168.h"

  StepperMotor_X27168 smotor(p25, p26, p23, p22);
  
  int main() {
  
      smotor.step_position(180);
      wait(0.5);
      
      smotor.step_position(100);
      wait(0.5);
      
      smotor.angle_position(270);
      wait(0.5);
      
      smotor.step_position(0);
      wait(0.5);
  }
Author:
Aditya Garg, Nisarg Himani
Version:
1.0 (Oct-19-2015)

This is the driver for Automotive Gauge Stepper Motor X27168

----------------------IMPORTANT-------------------- The API assumes motor is postioned at zero as there is no way to detect or control that in software ---------------------------------------------------

Definition at line 49 of file StepperMotor_X27168.h.

Member Enumeration Documentation

enum Polarity

Constants for motor rotate control.

Definition at line 54 of file StepperMotor_X27168.h.

Constructor & Destructor Documentation

StepperMotor_X27168 ( PinName  A_f,
PinName  A_r,
PinName  B_f,
PinName  B_r 
)

Create a stepper motor object connected to specified DigitalOut pins.

Parameters:
A_fDigitalOut pin for Forward Control of H-Brigde Port A (AIN1)
A_rDigitalOut pin for Reverse Control of H-Brigde Port A (AIN2)
B_fDigitalOut pin for Forward Control of H-Brigde Port B (BIN1)
B_rDigitalOut pin for Reverse Control of H-Brigde Port B (BIN2)

Definition at line 3 of file Stepper_Motor_X27168.cpp.

StepperMotor_X27168 ( PinName  A_f,
PinName  A_r,
PinName  B_f,
PinName  B_r,
int  init_step_position 
)

Create a stepper motor object connected to specified DigitalOut pins starting at specified position.

Parameters:
A_fDigitalOut pin for Forward Control of H-Brigde Port A (AIN1)
A_rDigitalOut pin for Reverse Control of H-Brigde Port A (AIN2)
B_fDigitalOut pin for Forward Control of H-Brigde Port B (BIN1)
B_rDigitalOut pin for Reverse Control of H-Brigde Port B (BIN2)
init_step_positionRotate of given initial step position

Definition at line 13 of file Stepper_Motor_X27168.cpp.

Member Function Documentation

void angle_position ( float  angle )

Turn the motor to a specific degree angle with a resolution of 0.5 degrees.

Parameters:
angledesired angle (0-(max_positon/2))

Definition at line 96 of file Stepper_Motor_X27168.cpp.

int get_max_position (  )

Get the motor maximum position (int steps not degress)

Returns:
maximum position

Definition at line 34 of file Stepper_Motor_X27168.cpp.

int get_speed (  )

Get the motor speed (i.e.

number of steps per second)

Returns:
steps per second

Definition at line 24 of file Stepper_Motor_X27168.cpp.

void set_max_position ( int  p )

Set the maximum steps the motor should take (not degrees)

Parameters:
pmaximum_steps :(ignored if parameter is greater than 629, the physical limit of the motor)

Definition at line 28 of file Stepper_Motor_X27168.cpp.

void set_speed ( float  s )

Set the motor speed (i.e.

number of steps per second) Motor will malfuntion is speed is faster than the the maximum capability if the motor.

Parameters:
ssteps per second : lower number makes the turn slower (default = 1000)

Definition at line 20 of file Stepper_Motor_X27168.cpp.

int step ( int  dir )

Turn the motor one step (1/2 Degree)

Parameters:
dir0 CLOCKWISE/FORWARD 1 ANTI-CLOCKWISE/REVERSE 2 STOP
Returns:
current_position of the motor

Definition at line 38 of file Stepper_Motor_X27168.cpp.

void step_position ( int  pos )

Turn the motor to a specific step.

Parameters:
posdesired position in steps (0-max_position)

Definition at line 80 of file Stepper_Motor_X27168.cpp.

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