Based on 51 MCU RS485 communication follows modbus-rtu protocol, compiled by the function may implement features such as code 03, 06, can be directly transplanted use

lesson18_2
..........\CRC16.LST
..........\CRC16.OBJ
..........\CRC16.c
..........\Lcd1602.LST
..........\Lcd1602.OBJ
..........\Lcd1602.c
..........\RS485.LST
..........\RS485.OBJ
..........\RS485.c
..........\STARTUP.A51
..........\STARTUP.LST
..........\STARTUP.OBJ
..........\lesson18_2
..........\lesson18_2.M51
..........\lesson18_2.hex
..........\lesson18_2.lnp
..........\lesson18_2.plg
..........\lesson18_2.uvopt
..........\lesson18_2.uvproj
..........\lesson18_2_uvopt.bak
..........\main.LST
..........\main.OBJ
..........\main.c
..........\新建文件夹

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