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my program is:
#include <reg51.h> //include Servo library
const int RForward = 0;
const int RBackward = 180;
const int LForward = 180;
const int LBackward = 0;
const int RNeutral = 90;
const int LNeutral = 90; //constants for motor speed
const int pingPin = 7;
const int irPin = 0;//Sharp...
THE OCCURED LIKE THIS AS GIVEN BELOW
MY PROGRAM IS:Robit.c
#include
void main(void)
{
unsigned int k, h;
DDRA=0x00;
DDRD=0XFF;
while (1)
{
k =~PINA;
h=k & 0x0F;
switch (h)
case 0x02: //if I/P is 0x02
{
PORTD=0x89;//O/P 0x89 ie Forward
break;
}
case 0x08: //if I/P is...
i got error while programming in keil in c language
like as given (error c202:'p1':undefined identifiers in keil )
i got 11 undefined identifiers errors
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