plotter

#define F_CPU 1000000UL
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <math.h>
#include <LCD4B.h>


long counter = 0;
int x = 0;
int prevStep=1;
int delayStepperY = 1000;
int isStepperYBusy=0;
int main(void)
{
DDRC = 0xFF;
PORTC = 0x00;




	moveBackwards(150);

}

void moveForward(int steps)
{
if(isStepperYBusy==0)
{isStepperYBusy=1;
int stepsInLoop=0;
for (stepsInLoop; stepsInLoop<=steps; stepsInLoop++)
	{
	switch(prevStep){
		case 1:
		{
		PORTC = 1 << PINC0;
		_delay_us(delayStepperY);
		prevStep = 2;
		stepsInLoop++;

		}
	case 2:
		{
		PORTC = 1 << PINC1;
		_delay_us(delayStepperY);
		prevStep = 3;
		stepsInLoop++;
		}
	case 3:
		{
		PORTC = 1 << PINC2;
		_delay_us(delayStepperY);
		prevStep = 4;
		stepsInLoop++;
		}
	case 4:
		{
		PORTC = 1 << PINC3;
		_delay_us(delayStepperY);
		prevStep = 1;
		stepsInLoop++;
		}

	}

	}
	isStepperYBusy=0;
}
else{
}
}

void moveBackwards(int steps)
{
if(isStepperYBusy==0)
{
isStepperYBusy=1;
int stepsInLoop=0;
for (stepsInLoop; stepsInLoop<=steps; stepsInLoop++)
	{
	switch(prevStep){
		case 1:
		{
		PORTC = 1 << PINC1;
		_delay_us(delayStepperY);
		prevStep = 2;
		stepsInLoop++;

		}
	case 2:
		{
		PORTC = 1 << PINC0;
		_delay_us(delayStepperY);
		prevStep = 3;
		stepsInLoop++;
		}
	case 3:
		{
		PORTC = 1 << PINC3;
		_delay_us(delayStepperY);
		prevStep = 4;
		stepsInLoop++;
		}
	case 4:
		{
		PORTC = 1 << PINC2;
		_delay_us(delayStepperY);
		prevStep = 1;
		stepsInLoop++;
		}

	}

	}
	isStepperYBusy=0;
	}
	else
	{
	}
}