var1.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

#define C1  		P2_0
#define C2 			P2_1
#define C3  		P2_2
#define C4  		P2_3
#define C5 			P2_4
#define C6  		P2_5
//#define C7          P0_6
#define RS485_DIR   INT0

#define RS485_LED   P3_4
#define RUN			P3_5
#define ERROR 		P3_6

//#define CHECK       P3_6

#define LV          P3_3

#define SW1         P0
#define SW          P1
#define RUN_STOP	P2_7
							   	

extern unsigned int  read_memory;	//弄 既