servo.h File Reference

Hardware Application Layer for Servo SG90 motor. More...

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/mcpwm.h"

Include dependency graph for servo.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	Servo
	Servo struct for SG90 servo motor. More...

Macros
#define	SERVO_PWM_UNIT   (mcpwm_unit_t)MCPWM_UNIT_0
#define	SERVO_PWM_SIGNAL   (mcpwm_io_signals_t)(MCPWM0A)
#define	SERVO_GPIO   14
#define	SERVO_FREQ   50
#define	SERVO_TIMER   (mcpwm_timer_t)MCPWM_TIMER_0
#define	SERVO_MIN_PULSEWIDTH_US   (1000)
#define	SERVO_MAX_PULSEWIDTH_US   (2000)
#define	SERVO_MAX_DEGREE   (90)
#define	SERVO_OPEN   -90
#define	SERVO_CLOSE   90

Typedefs
typedef struct Servo	Servo

Functions
void	moveServo (Servo *servo, int angle)
	moveServo will move the servo motor by angles More...
void	servoInit (Servo *servo)
	servoInit will initialize servo motor More...
void	haltServo (Servo *servo)
	haltServo will stop the timer of the mcpwm More...
void	startServo (Servo *servo)
	startServo will start the time of the mcpwm More...

Detailed Description

Hardware Application Layer for Servo SG90 motor.

Author

Jesus Minjares (https://github.com/jminjares4)

Version

0.1

Date

2021-11-27

Copyright

Copyright (c) 2021

Macro Definition Documentation

SERVO_CLOSE

#define SERVO_CLOSE   90

SERVO_FREQ

#define SERVO_FREQ   50

SERVO_GPIO

#define SERVO_GPIO   14

SERVO_MAX_DEGREE

#define SERVO_MAX_DEGREE   (90)

SERVO_MAX_PULSEWIDTH_US

#define SERVO_MAX_PULSEWIDTH_US   (2000)

SERVO_MIN_PULSEWIDTH_US

#define SERVO_MIN_PULSEWIDTH_US   (1000)

SERVO_OPEN

#define SERVO_OPEN   -90

SERVO_PWM_SIGNAL

#define SERVO_PWM_SIGNAL   (mcpwm_io_signals_t)(MCPWM0A)

SERVO_PWM_UNIT

#define SERVO_PWM_UNIT   (mcpwm_unit_t)MCPWM_UNIT_0

SERVO_TIMER

#define SERVO_TIMER   (mcpwm_timer_t)MCPWM_TIMER_0

Typedef Documentation

Servo

typedef struct Servo Servo

Function Documentation

haltServo()

void haltServo

(

Servo *

servo

)

haltServo will stop the timer of the mcpwm

Parameters

servo

pass a Servo motor by reference

Returns

None

Parameters

servo

pass a Servo motor by reference

Returns

None

moveServo()

void moveServo	(	Servo *	servo,
		int	angle
	)

moveServo will move the servo motor by angles

Parameters

servo	pass a Servo by reference
angle	int servo angle movment

Note

Rangee for -90 to 90 degrees

Parameters

servo	pass a Servo by reference
angle	int servo angle movment

Note

Rangee for -90 to 90 degrees

servoInit()

void servoInit

(

Servo *

servo

)

servoInit will initialize servo motor

Parameters

servo

pass a Servo motor by reference

Parameters

servo

pass a Servo motor by reference

startServo()

void startServo

(

Servo *

servo

)

startServo will start the time of the mcpwm

Parameters

servo

pass a Servo motor by reference

Parameters

servo

pass a Servo motor by reference