//----------------------------------------------------------------------------
// C main line
//----------------------------------------------------------------------------

#include "psoc_defrostapi.h"

#define MINUTE		60
#define TIMER_CLK	93750L					// Needs to have the 'L' or the next two lines won't work
#define HYSTERESIS 	10 * TIMER_CLK			// 10 Seconds
#define DE_ICE		30 * MINUTE * TIMER_CLK	// 30 Minutes
#define HEATER		0x10
#define FAN			0x20
#define ACT			0x80
#define AIR_IN		4

extern unsigned char done;

void delay(DWORD timer_value);

void main(void)
{
	// Set pins 1, 2, and 7 to outputs
	PRT0DM0 = HEATER + FAN + ACT;
	Timer32_1_EnableInt();
	M8C_EnableGInt;
	while (1)
	{
		// Turn on fan and actuator
		PRT0DR = FAN + ACT;
		delay(HYSTERESIS);
		while (PRT0DR & AIR_IN)
			;
		
		delay(HYSTERESIS);
		if (!(PRT0DR & AIR_IN))
		{
			// Turn off fan and actuator; turn on heater
			PRT0DR = HEATER;
			delay(DE_ICE);
			#if (!LOOP)
				PRT0DR = 0;
				return;
			#endif
		}
	}
}

void delay(DWORD timer_value)
{
	Timer32_1_WritePeriod(timer_value);
	Timer32_1_Start();
	while (!done)
		;
		
	done = 0;
}