var2.h

MODBUS 通信源代码 MODBUS通訊協定原本是MODICON公司為自己所生產的PLC(可程式邏輯控制器)所開發的通訊協定

                         




extern union  comm_cr
{
    struct
	{
		unsigned L : 8;
		unsigned H : 8;
	}CRC;
	unsigned int CRC_L_H;
}CRC_buf;   //硄癟絯侥

extern unsigned char coom_number_data;


extern union  special
{
    unsigned char char_data[200];
	unsigned int  int_data[100];
}special_flag;


extern unsigned char odd_even_flag;
extern unsigned char scon_buf;
extern unsigned char odd_even_flag_rx;

extern union   rtu_ascii
{
    unsigned char char_data[100];
	unsigned int  int_data[50];
}rtu_ascii_buf;

extern unsigned char bit_9[100];

extern unsigned char *rtu_ascii_point;

extern unsigned char lrc_buf;
extern unsigned char odd_even_apart;
//extern unsigned char stop_dido_hold;
extern unsigned char comm_change_flag;
extern unsigned char ascii_rtu_flag;

//extern unsigned char rtu_ascii_flag;
//extern unsigned char baudrate;
//extern unsigned char comm_mode;

extern unsigned char run_data_flag;

extern unsigned char run_stopo_flag;

//extern unsigned char led_mode;

//extern unsigned int count;

extern unsigned char lv_flag;

extern unsigned char rx_flag;

extern unsigned char id_l;
extern unsigned char id_h;

extern unsigned char rtu_flag_comm;

extern unsigned int teme_flag_count;