 |
| Example of Circuit |
//Exercise1Motor.c : Controlling Direction of
MotorA and MotorB
#include <18f4550.h> // Header file
#fuses HS, NOWDT, NOPROTECT, NOLVP
#use delay (clock = 20M)
// Pin Definition
#define MOTORA_1 PIN_B0 //IN1
#define MOTORA_2 PIN_B1 //IN2
#define MOTORB_1 PIN_B2 //IN3
#define MOTORB_2 PIN_B3 //IN4
void main(){
//Set
PORTB as output
set_tris_b(0x00);
//Configure
PWM Pinout
setup_timer_2(T2_DIV_BY_4,254,1);//PWM
OUTPUT CONFIGURATION
setup_ccp1(ccp_pwm);
//PWM 1 DUTY CYCLE CONFIGURATION
setup_ccp2(ccp_pwm);
//PWM 2 DUTY CYCLE CONFIGURATION
while(true){
//Turn
On Motor A CW
output_high(MOTORA_1);
output_low(MOTORA_2);
//Turn
On Motor B CCW
output_low(MOTORB_1);
output_high(MOTORB_2);
}
}
//*************************************************************
//Exercise2Motor.c : Controlling Speed of
MotorA and MotorB
#include <18f4550.h7gt; // Header file
#fuses HS, NOWDT, NOPROTECT, NOLVP
#use delay (clock = 20M)
// Pin Definition
#define MOTORA_1 PIN_B0 //IN1
#define MOTORA_2 PIN_B1 //IN2
#define MOTORB_1 PIN_B2 //IN3
#define MOTORB_2 PIN_B3 //IN4
void main(){
//Set
PORTB as output
set_tris_b(0x00);
//Configure
PWM Pinout
setup_timer_2(T2_DIV_BY_4,254,1);//PWM
OUTPUT CONFIGURATION
setup_ccp1(ccp_pwm);
//PWM 1 DUTY CYCLE CONFIGURATION
setup_ccp2(ccp_pwm);
//PWM 2 DUTY CYCLE CONFIGURATION
while(true){
//Turn
On Motor A CW
output_high(MOTORA_1);
output_low(MOTORA_2);
set_pwm1_duty(200);
//Speed of MotorA
//Turn
On Motor B CCW
output_low(MOTORB_1);
output_high(MOTORB_2);
set_pwm2_duty(150);
//Speed of MotorB
}
}
//*************************************************************
//Exercise3Motor.c : Controlling Motor using
Buttons
#include <18f4550.h> // Header file
#fuses HS, NOWDT, NOPROTECT, NOLVP
#use delay (clock = 20M)
#include <lcd.c
//Pin Definition for LCD
#define LCD_ENABLE_PIN PIN_D0
#define LCD_RS_PIN PIN_D1
#define LCD_RW_PIN PIN_D2
#define LCD_DATA4 PIN_D4
#define LCD_DATA5 PIN_D5
#define LCD_DATA6 PIN_D6
#define LCD_DATA7 PIN_D7
//Pin Definition for Buttons
#define BUTTON1 PIN_B4
#define BUTTON2 PIN_B5
// Pin Definition For Motor
#define MOTORA_1 PIN_B0 //IN1
#define MOTORA_2 PIN_B1 //IN2
#define MOTORB_1 PIN_B2 //IN3
#define MOTORB_2 PIN_B3 //IN4
void main(){
//Set
PINB0-PINB3 as output PINB4-PINB7 as input
set_tris_b(0xF0);
lcd_init();
//Configure
PWM Pinout
setup_timer_2(T2_DIV_BY_4,254,1);//PWM
OUTPUT CONFIGURATION
setup_ccp1(ccp_pwm);
//PWM 1 DUTY CYCLE CONFIGURATION
setup_ccp2(ccp_pwm);
//PWM 2 DUTY CYCLE CONFIGURATION
while(true){
if(!input(BUTTON1)){
//Turn
On Motor A MotorB turn Off
output_high(MOTORA_1);
output_low(MOTORA_2);
output_high(MOTORB_1);
output_high(MOTORB_2);
set_pwm1_duty(100);
//Speed of MotorA
printf(lcd_putc,”\fMOTORA
Move\nMOTORB Stop”);
delay_ms(100);
}
else
if(!input(BUTTON2)){
output_high(MOTORA_1);
output_high(MOTORA_2);
output_high(MOTORB_1);
output_low(MOTORB_2);
set_pwm2_duty(100);
printf(lcd_putc,”\fMOTORA
Stop\nMOTORB Move”);
delay_ms(100);
}
else
{
output_high(MOTORA_1);
output_high(MOTORA_2);
output_high(MOTORB_1);
output_high(MOTORB_2);
printf(lcd_putc,”\fMOTORA
Stop\nMOTORB Stop”);
delay_ms(100);
}
}
}
//*************************************************************
//Exercise4Motor.c : Controlling Speed of Motor
using Buttons
#include <18f4550.h> // Header file
#fuses HS, NOWDT, NOPROTECT, NOLVP
#use delay (clock = 20M)
#include <lcd.c>
//Pin Definition for LCD
#define LCD_ENABLE_PIN PIN_D0
#define LCD_RS_PIN PIN_D1
#define LCD_RW_PIN PIN_D2
#define LCD_DATA4 PIN_D4
#define LCD_DATA5 PIN_D5
#define LCD_DATA6 PIN_D6
#define LCD_DATA7 PIN_D7
//Pin Definition for Buttons
#define BUTTON1 PIN_B4
#define BUTTON2 PIN_B5
// Pin Definition For Motor
#define MOTORA_1 PIN_B0 //IN1
#define MOTORA_2 PIN_B1 //IN2
#define MOTORB_1 PIN_B2 //IN3
#define MOTORB_2 PIN_B3 //IN4
void main(){
int32
speed=50; //Speed of motor
//Set
PINB0-PINB3 as output PINB4-PINB7 as input
set_tris_b(0xF0);
lcd_init();
//Configure
PWM Pinout
setup_timer_2(T2_DIV_BY_4,254,1);//PWM
OUTPUT CONFIGURATION
setup_ccp1(ccp_pwm);
//PWM 1 DUTY CYCLE CONFIGURATION
setup_ccp2(ccp_pwm);
//PWM 2 DUTY CYCLE CONFIGURATION
while(true){
if(!input(BUTTON1)){
speed++;
output_high(MOTORA_1);
output_low(MOTORA_2);
output_high(MOTORB_1);
output_low(MOTORB_2);
set_pwm1_duty(speed);
//Speed of MotorA
set_pwm2_duty(speed);
printf(lcd_putc,”\fSpeed
= %ld”,speed);
delay_ms(100);
}
else
if(!input(BUTTON2)){
speed--;
output_high(MOTORA_1);
output_low(MOTORA_2);
output_high(MOTORB_1);
output_low(MOTORB_2);
set_pwm1_duty(speed);
//Speed of MotorA
set_pwm2_duty(speed);
printf(lcd_putc,”\fSpeed
= %ld”,speed);
delay_ms(100);
}
if(speed>=200){
speed=200;
}
else if(speed<=20){
speed=20;
}
}
}
//*************************************************************
//Exercise5Motor.c : Controlling Speed of Motor
using Potentiometer
#include <18f4550.h> // Header file
#fuses HS, NOWDT, NOPROTECT, NOLVP
#device ADC=10
#use delay (clock = 20M)
#include <lcd.c>
//Pin Definition for LCD
#define LCD_ENABLE_PIN PIN_D0
#define LCD_RS_PIN PIN_D1
#define LCD_RW_PIN PIN_D2
#define LCD_DATA4 PIN_D4
#define LCD_DATA5 PIN_D5
#define LCD_DATA6 PIN_D6
#define LCD_DATA7 PIN_D7
//Pin Definition for Buttons
#define BUTTON1 PIN_B4
#define BUTTON2 PIN_B5
// Pin Definition For Motor
#define MOTORA_1 PIN_B0 //IN1
#define MOTORA_2 PIN_B1 //IN2
#define MOTORB_1 PIN_B2 //IN3
#define MOTORB_2 PIN_B3 //IN4
void main(){
int32
speed=250; //Speed of motor
int32
value;
//Set
PINB0-PINB3 as output PINB4-PINB7 as input
set_tris_b(0xF0);
lcd_init();
//Configure
Analog Input
setup_adc_ports
(ALL_ANALOG);
setup_adc (ADC_CLOCK_INTERNAL);
//Configure
PWM Pinout
setup_timer_2(T2_DIV_BY_4,254,1);//PWM
OUTPUT CONFIGURATION
setup_ccp1(ccp_pwm);
//PWM 1 DUTY CYCLE CONFIGURATION
setup_ccp2(ccp_pwm);
//PWM 2 DUTY CYCLE CONFIGURATION
while(true){
set_adc_channel(2);
value=read_adc();
value=value*100/1023;
if(value>=80)
{
speed = speed+10;
delay_ms(100);
}
else if (value<=30)
{
speed = speed-10;
delay_ms(100);
}
if (speed >= 100)
{
speed = 100;
}
else if(speed<=2)
{
speed=2;
}
output_high(MOTORA_1);
output_low(MOTORA_2);
output_high(MOTORB_1);
output_low(MOTORB_2);
set_pwm1_duty(speed);
set_pwm2_duty(speed);
printf(lcd_putc,"\fSPEED %ld",speed);
printf(lcd_putc,"\nPercentage=%d%%",(int)value);
delay_ms(10);
}
}
No comments:
Post a Comment