Interface and Control a DC Motor using Embedded C

Interface and Control a DC Motor using Embedded C

Program:-

#include<lpc214x.h>
void clock_wise(void);
void anti_clock_wise(void);
unsigned int j=0;
int main()
{
IO0DIR= 0X00000900;
PINSEL0= 0X00000000; 
 while(1)
 {
 clock_wise();
 for(j=0;j<400000;j++); //delay
 anti_clock_wise();
 for(j=0;j<400000;j++); //delay
 } //End of while(1)
}
void clock_wise(void)
{
IO0CLR = 0x00000900; //stop motor and also turn off relay
 for(j=0;j<10000;j++); //small delay to allow motor to turn off 
 IO0SET = 0X00000100; //Selecting the P0.11 line for clockwise and turn on motor
}
void anti_clock_wise(void)
{
IO0CLR = 0X00000900; //stop motor and also turn off relay
 for(j=0;j<10000;j++); //small delay to allow motor to turn off 
 IO0SET = 0X00000900; //not selecting the P0.11 line for Anti clockwise
}