comm.h

来自「有关AD芯片AD7730的应用程序」· C头文件 代码 · 共 41 行

#ifndef __COMM_H__
#define __COMM_H__

//通讯返回码恒量
#define COMM_NO_ERROR				0x00
#define Receiving_BagHead_TO		0x01
#define Receiving_BagMidle_TO		0x02
#define Receiving_BagEndDLE_Error	0x03
#define Receiving_BagEndETX_Error	0x04
#define Bcc_Error					0x05	//接收校验错误
#define NoCommand_Error				0x06	//没有收到有效的命令字错误
#define Receiving_HandShakeAck_TO	0x07
#define Receiving_BagAck_TO			0x08

//通讯状态恒量
#define Receiving_Handshake			0x00
#define Transmiting_HandShakeAck	0x01
#define Receiving_Bag				0x02
#define Receiving_BagEnd_DLE		0x03
#define Receiving_BagEnd_ETX		0x04
#define Transmiting_BagAck			0x05
#define Wait_Process				0x06
#define Transmiting_Handshake		0x07
#define Receiving_HandShakeAck		0x08
#define Transmiting_Bag				0x09
#define Transmiting_BagEnd_DLE		0x0A
#define Transmiting_BagEnd_ETX		0x0B
#define Receiving_BagAck			0x0C


//通讯控制恒量
#define STX     0x02
#define ETX     0x03
#define DLE     0x10
#define NAK     0x15

#define COMM_OVT_LONG	-200*MAIN_CLOCK/12000		//200mS
#define COMM_OVT_SHORT	-100*MAIN_CLOCK/12000		//100mS
#define COMM_TX_DELAY	-10*MAIN_CLOCK/12000		//10mS

#endif