myport.h

来自「华中科技大学计算机学院接口课程设计.vc制作,上位机下位机模拟商场贵宾卡系统.使」· C头文件 代码 · 共 15 行

#define PORTTALK_TYPE 40001
#define IOCTL_READ_PORT_UCHAR \
    CTL_CODE(PORTTALK_TYPE, 0x904, METHOD_BUFFERED, FILE_ANY_ACCESS)

#define IOCTL_WRITE_PORT_UCHAR \
    CTL_CODE(PORTTALK_TYPE, 0x905, METHOD_BUFFERED, FILE_ANY_ACCESS)

#define IOCTL_GETINTCODE_PORT_UCHAR \
    CTL_CODE(PORTTALK_TYPE, 0x906, METHOD_BUFFERED, FILE_ANY_ACCESS)

unsigned char OpenPortTalk(void);
void ClosePortTalk(void);
void outportb(unsigned short PortAddress, unsigned char byte);
unsigned char inportb(unsigned short PortAddress);portb(unsigned short PortAddress);