netdaq.h.bak

at91rm9200双端口RAM驱动及测试程序

#include <sys/stat.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/time.h>
#include <fcntl.h> 
#include <string.h>
#include <errno.h>
#include <time.h>
#include <malloc.h>
#include <signal.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <net/if.h>
#include <pthread.h>
#include <sys/ioctl.h>
#include <math.h>


#define MULIT_CONST 10000
#define BR_PORT 6666
#define DEV_NAME "/dev/netdaq"

#define MAJOR_NUM 100
#define IOCTL_SET_PARAM		_IOR(MAJOR_NUM, 0, char *)

#define DSP_DO_FLAG		0x5A
#define GP_FLAG			0xAA		//
#define BC_FLAG			0x55		//

#define CH_NUM 			8
#define GP_SAM_LEN		1050		//每通道光谱采样数
#define BC_SAM_LEN		119		//每通道波长采样数
#define GP_BUF_LEN		(CH_NUM*GP_SAM_LEN*2)	//光谱数据缓存长度
#define BC_BUF_LEN		(CH_NUM*BC_SAM_LEN*2)	//波长数据缓存长度


typedef unsigned int u32;
typedef unsigned short u16;
typedef unsigned char u8;

int daq_dev;
int send_sock = 0;
struct sockaddr_in broadcastaddr;
int aliving = 0;
char data_buf[3000];
int data_len;
u16 gp_buf[CH_NUM][GP_SAM_LEN];
u16 bc_buf[CH_NUM][BC_SAM_LEN];

pthread_mutex_t mutex;
int can_send = 0;

void wait_for_exit(void);
void create_socket(void);
void do_daq(void);
void send_data(void);
int send_to(char *buf, int len);
void delay(int count);