free modbus 基于avr单片机的例程，非常适合初学者了解和使用该协议。
资源文件列表
freemodbus/AVR/Makefile , 2876
freemodbus/AVR/avrdude.conf , 239882
freemodbus/AVR/demo.c , 3954
freemodbus/AVR/demo.c.bak , 3266
freemodbus/AVR/excoils.c , 3820
freemodbus/AVR/excoils.c.bak , 3821
freemodbus/AVR/port/mbcrc.c , 5057
freemodbus/AVR/port/port.h , 4169
freemodbus/AVR/port/portevent.c , 1895
freemodbus/AVR/port/portserial.c , 3732
freemodbus/AVR/port/porttimer.c , 2878
freemodbus/Untitled Project.IAB , 32768
freemodbus/Untitled Project.IAD , 648
freemodbus/Untitled Project.IMB , 12288
freemodbus/Untitled Project.IMD , 448
freemodbus/Untitled Project.PFI , 120
freemodbus/Untitled Project.PO , 776
freemodbus/Untitled Project.PR , 9872
freemodbus/Untitled Project.PRI , 61232
freemodbus/Untitled Project.PS , 72924
freemodbus/Untitled Project.WK3 , 17043
freemodbus/modbus/ascii/mbascii.c , 15715
freemodbus/modbus/ascii/mbascii.h , 2457
freemodbus/modbus/functions/mbfunccoils.c , 9887
freemodbus/modbus/functions/mbfuncdiag.c , 1662
freemodbus/modbus/functions/mbfuncdisc.c , 4614
freemodbus/modbus/functions/mbfuncholding.c , 12201
freemodbus/modbus/functions/mbfuncinput.c , 4838
freemodbus/modbus/functions/mbfuncother.c , 3968
freemodbus/modbus/functions/mbutils.c , 5099
freemodbus/modbus/include/mb.h , 19714
freemodbus/modbus/include/mbconfig.h , 5876
freemodbus/modbus/include/mbframe.h , 3788
freemodbus/modbus/include/mbfunc.h , 3114
freemodbus/modbus/include/mbport.h , 4942
freemodbus/modbus/include/mbproto.h , 3714
freemodbus/modbus/include/mbutils.h , 4218
freemodbus/modbus/mb.c , 13988
freemodbus/modbus/rtu/mbcrc.c , 5530
freemodbus/modbus/rtu/mbcrc.h , 1771
freemodbus/modbus/rtu/mbrtu.c , 13164
freemodbus/modbus/rtu/mbrtu.h , 2380
freemodbus/modbus/tcp/mbtcp.c , 5712
freemodbus/modbus/tcp/mbtcp.h , 2375