main.h

LTC2449 AD转换 LTC2449 AD转换 LTC2449 AD转换

#ifndef _MAIN_H_
#define _MAIN_H_

#ifdef _MAIN_C
	#define _extern
	unsigned char mcu_loop_time;
	
	
	
#else
	#define _extern extern
#endif
_extern unsigned long AD_channels_data[8];	//存放8组AD数据
_extern unsigned char relay_out[4];						//LED输出数据
_extern unsigned char PB_in;	//外部开关量输入
_extern unsigned int load_time;//下载数据用定时
_extern unsigned char load_no;	//下载数据个数
_extern unsigned char updating;	//下载数据个数
//******************下载数据结构*******************************************
struct stu_d
{ 
   //unsigned char Computer_No[2];	//电脑号
   unsigned char Relay_out[4]; //继电器输出数据,第一BYTE最高位为1号继电器
   unsigned char Check_Sum; //和检查,共7BYTE
};
_extern struct stu_d Down_load;
//*************上传数据结构*******共19BYTE**********************************
struct stu_s
{ 
   //unsigned char Gather_No[2];				//采集板号
   unsigned char exterior_switch;		//外部开关量
   unsigned int AD_data[8]; 				//AD数据,8通道16BIT
};
_extern struct stu_s send_data;
//********************函数申明*******************************************
void relay_init();
void data_send();
#endif