//////////////////////
// Global variables //
//////////////////////

// pos_result is one of many
volatile unsigned int pos_result;

...

//////////////////////////////////////////////////////////////
// In main().                                               //
// If button press to drive motor down -> move_down(), etc. //
//////////////////////////////////////////////////////////////

// Position variables hardcoded for testing purposes.
// Customizable in final application
volatile unsigned int current_position;
volatile unsigned int favorite_position = 250;
volatile unsigned int max_position = 575;
volatile unsigned int min_position = 68;

...

if(rf_input_buffer == RF_CLOSE){
	//Command routine
	move_closed(max_position);
}

else if(rf_input_buffer == RF_OPEN){
	//Command routine
	move_favorite(favorite_position);
}

else if(rf_input_buffer == RF_UP){
	//Command routine
	move_up(max_position);
}

else if(rf_input_buffer == RF_DOWN){
	//Command routine
	move_down(min_position);
}

...

#pragma vector = ADC10_VECTOR
__interrupt void ADC_ISR(void)
{
	//Decrement ADC read
	adc_count--;

	...
	//Saving other channels
	...

	//Save A1, Potentiometer input
	else if(adc_count == 1) && position_check){
		//Save potentiometer position
		position_result = ADC10MEM0;

		//Enable conversion of next channel
		ADC10CTL0 |= ADC10SC;
	}

	//Reading channel that 
	else{
		//Enable conversion of next channel
		ADC10CTL0 |= ADC10SC;
	}
}



/////////////////////////////
// Move routines for motor //
/////////////////////////////

void move_down(unsigned int min_position)
{
	//Detect current position
	current_position = pos_read();

	//Limit check, and button held
	while((current_position > min_position) && (PJIN_RFIN & RX_D1)){
		//Drive motor downwards
		P2OUT_MOTOR &= ~MOTOR_CCW;
		P2OUT_MOTOR |= MOTOR_CW;

		//Detect current position
		current_position = pos_read();
	}
	//Stop motor
	P2OUT_MOTOR &= ~(MOTOR_CW + MOTOR_CCW);

	//Disable potentiometer
	P1OUT_POT &= ~POT_EN;
}

void move_up(unsigned int max_position)
{
	//Detect current position
	current_position = pos_read();

	//Limit check and button held down
	while((current_position < max_position) && (P1IN_RFIN & RX_D3)){
		//Drive motor upward
		P2OUT_MOTOR &= ~MOTOR_CW;
		P2OUT_MOTOR |= MOTOR_CCW;

		//Detect current position
		current_position = pos_read();
	}

	//Stop motor
	P2OUT_MOTOR &= ~(MOTOR_CW + MOTOR_CCW);

	//Disable potentiometer
	P1OUT_POT &= ~POT_EN;
}

void move_closed(unsigned int max_position)
{
	//Detect current position
	current_position = pos_read();


	//loop until at the limit
	while(current_position <= max_position){
		//Drive motor up
		P2OUT_MOTOR &= ~MOTOR_CW;
		P2OUT_MOTOR |= MOTOR_CCW;

		//Detect current position
		current_position = pos_read();
	}

	//Stop motor
	P2OUT_MOTOR &= ~(MOTOR_CW + MOTOR_CCW);

	//Disable potentiometer
	P1OUT_POT &= ~POT_EN;
}

void move_favorite(unsigned int favorite_position)
{
	//Detect current position
	current_position = pos_read();

	//Determine the direction of drive needed
	//Below favorite position
	if(current_position < favorite_position){
		//Loop until close to favorite
		while(current_position < favorite_position){
			//Drive upwards
			P2OUT_MOTOR &= ~MOTOR_CW;
			P2OUT_MOTOR |= MOTOR_CCW;

			//Detect current position
			current_position = pos_read();
		}
	}
	//Above favorite position
	else if(current_position > favorite_position){
		//Loop until close to favorite
		while(current_position > favorite_position){
			//Drive down
			P2OUT_MOTOR &= ~MOTOR_CCW;
			P2OUT_MOTOR |= MOTOR_CW;

			//Detect current position
			current_position = pos_read();
		}
	}

	//Stop motor
	P2OUT_MOTOR &= ~(MOTOR_CW + MOTOR_CCW);

	//Disable potentiometer
	P1OUT_POT &= ~POT_EN;
}

unsigned int pos_read(void)
{
	//Enable interrupt
	ADC10IE = ADC10IE0;

	//Enable, start conversion
	ADC10CTL0 |= ADC10ENC + ADC10SC;

	while(ADC10CTL1 & ADC10BUSY);{
		return pos_result;
	}
}