hardware.h

AVRGCC编写的很好用的串口通讯源程序

#ifndef _HARDWARE_H_
#define _HARDWARE_H_

#include <avr/wdt.h>

#define WDTO_TIMEOUT		WDTO_500MS

#define CPUCLK				F_CPU		// CPU xtal
#define TICKRATE			1000 		// AvrX timer queue Tick rate

#define T0MC8_CK256			_BV(CS02)
#define TCNT0_INIT			(0xFF - CPUCLK / 256 / TICKRATE)

#define DISPLAY_SCAN_RATE	8000
#define T2MC8_CK8			_BV(CS21)
#define T2MC8_CK64			_BV(CS22)
#define T2MC8_CK256			(_BV(CS22) | _BV(CS21))
#define TCNT2_INIT			(0xFF - CPUCLK / 8 / DISPLAY_SCAN_RATE)

#define PORT_DATA	PORTB
#define PORT_LOCK	PORTC
#define LOCK0		PC0
#define LOCK1		PC1
#define LOCK2		PC2
#define LOCK3		PC3

#endif /* _HARDWARE_H_ */