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Modbus 的代码
modbus c源码.txt
/*********************************************************************************/
/*函数名称: strmcpy()
*输入参数: 共 个参数;
*输出参数: 共 个参数;
*返回值:
*需储存的参数: 共 个参数;
modbusrtu.txt
下面是一个用VC编写的ModBus RTU通讯的例子
(一)、通讯口设置
DCB dcb;
hCom=CreateFile("COM1",
GENERIC_READ|GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
0,
NULL);
if(hCom==INVALID_HANDLE_VALU
modbus._c
//crc校验值计算
unsigned int cal_crc(unsigned char *ptr, unsigned int len)
{
unsigned int crc=0xffff;
unsigned char i;
while(len!=0)
{
crc^=*ptr;
for(i=0;i
modbus.c
//crc校验值计算
unsigned int cal_crc(unsigned char *ptr, unsigned int len)
{
unsigned int crc=0xffff;
unsigned char i;
while(len!=0)
{
crc^=*ptr;
for(i=0;i
modbusm16.mak
CC = iccavr
CFLAGS = -IE:\icc\include\ -e -DATMEGA -l -g -Mavr_enhanced
ASFLAGS = $(CFLAGS) -Wa-g
LFLAGS = -LE:\icc\lib\ -g -ucrtatmega.o -bfunc_lit:0x54.0x4000 -dram_end:0x45f -bdata:0x60.0x4
modbusm16.src
[Files]
init.c
main.c
modbus16.c
[Headers]
main.h
modbus16.h
[Documents]
modbus16.dp2
modbus16.o: E:\我的网页\mcuc\download\M16-23板程序模板\新建文件夹/main.h E:/icc/include/iom16v.h E:/icc/include/macros.h E:/icc/include/eeprom.h E:/icc/include/stdio.h E:/icc/include/stdarg.h E:/icc/include/_const.