fifo.h

来自「嵌入式linux的一个cgi网站」· C头文件 代码 · 共 35 行

/*config_phase.h*/

#ifndef _FIFO_H
#define _FIFO_H

#define  CGI_TO_MAIN_FIFO                   "/tmp/cgi_to_main"
#define  MAX_FILE_NAME_LEN               30
#define  MAX_CMD_LEN                           20
#define  FIFO_PAGE_SIZE                       4096

#define  READ_FIFO_DELAY_TIME          100


#define  VIDEO_L                                   100
#define  VIDEO_R                                   101
#define  VIDEO_U                                  102
#define  VIDEO_D                                  103
#define  VIDEO_C                                   104
#define  VIDEO_L_R                               105  
#define  VIDEO_U_D                              106
#define SET_DEFAULT_CFG                   107


int open_read_fifo();
void close_read_fifo();
int read_fifo(int r_fd);
int  open_write_fifo();
void close_write_fifo(int w_fd);
int notify_config(int w_fd);
int send_cmd(int w_fd, int cmd);


#endif