sc16c554.h

atmel 9200 外扩16C554的驱动测试程序

extern void Reset16C554(void);
extern void SC16C554_Send(unsigned char Port,unsigned char *buf,unsigned short len);
extern void SC16C554_init(void);
extern unsigned char SC16C554_Receive(unsigned char Port);
#define PORTA		0
#define PORTB		1
#define PORTC		2
#define PORTD		3