rs232.h

来自「LINUX的简单应用」· C头文件 代码 · 共 36 行

#ifdef __cplusplus
    #define __CPPARGS ...
#else
    #define __CPPARGS
#endif
#ifdef M_I86
#define inportb inp
#define outportb outp
#define getvect _dos_getvect
#define setvect _dos_setvect
#define enable _enable
#endif


typedef struct {
		 unsigned char buffer[256];
		 unsigned char write_index;
		 unsigned char read_index;
	       } BUFFER;

typedef struct {
		 int                   uart_base;
		 BUFFER                in;
		 BUFFER                out;
} PORT ;

PORT* init_port(int comid,long speed,char parity,int data,int stopbits);
void port_close( PORT *port );
/*int port_putc( unsigned char c, PORT *port );
int port_getc( PORT *port );*/
void port_puts(unsigned char str[],int len,PORT *port);
int port_gets(unsigned char str[],int len,PORT * port);
void port_clear(PORT *port);
int port_getlen(PORT *port);
void port_reset(int comid,long speed,char parity,int data,int stopbits);
void port_send(PORT *port);