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Modbus 的代码
ethernet.lnp
"uip_arch.obj",
"etherdev.obj",
"main.obj",
"uip.obj",
"uip_arp.obj",
"STC89C58RD+ FLASH-ISP-IAP.obj",
"netcom.obj",
"modbus.obj",
"Startup.obj"
TO "Ethernet"
RAMSIZE(256)
CODE( 0X0000-0
crc代码.txt
<mark>MODBUS</mark>协议规定:上位机发送8个字节召测指令,其中地址、设备类别、通信路由、指令类别、指令长度、指令各占1个字节,CRC校验码占2个字节;下位机应答7个字节,地址、设备类别、数据长度各占1个字节,数据、CRC校验码各占2个字节。
<mark>MODBUS</mark>协议规定CRC校验规则:CRC初始化为&HFFFF(CRC_L=&HFF,CRC_H=&HFF),将CRC_L与传输的第一个字节进行异或运算,然后将 ...
modbusm16.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹\
FILE modbus16.c
DEFGLOBAL auchCRCHi DC A[256:256]kc
DEFGLOBAL auchCRCLo 1DC A[256:256]kc
FILE init.c
FU
modbusm16.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹\
FILE modbus16.c
DEFGLOBAL auchCRCHi DC A[256:256]kc
DEFGLOBAL auchCRCLo 1DC A[256:256]kc
FILE init.c
FU
modbusm16.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹\
FILE modbus16.c
DEFGLOBAL auchCRCHi DC A[256:256]kc
DEFGLOBAL auchCRCLo 1DC A[256:256]kc
FILE init.c
FU
modbusm16.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹\
FILE modbus16.c
DEFGLOBAL auchCRCHi DC A[256:256]kc
DEFGLOBAL auchCRCLo 1DC A[256:256]kc
FILE init.c
FU
main.c
#include "reg52.h"
#include
/*==============*/
/*==系统主函数==*/
/*==============*/
unsigned char idata MBFrame_OK=0;//接收到一个命令结束,等待处理时为1;否则为0.
unsigned char idata test[5]={0xff,0x00,0x00
modbusm16.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹\
FILE modbus16.c
DEFGLOBAL auchCRCHi DC A[256:256]kc
DEFGLOBAL auchCRCLo 1DC A[256:256]kc
FILE init.c
FU
modbusm16.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹\
FILE modbus16.c
DEFGLOBAL auchCRCHi DC A[256:256]kc
DEFGLOBAL auchCRCLo 1DC A[256:256]kc
FILE init.c
FU
modbusm16.dbg
IMAGECRAFT DEBUG FORMAT
VERSION 1.1
CPU AVR
DIR E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹\
FILE modbus16.c
DEFGLOBAL auchCRCHi DC A[256:256]kc
DEFGLOBAL auchCRCLo 1DC A[256:256]kc
FILE init.c
FU