Need somebody to develop or provide already proven Modbus RTU libraries for pic18 or pic24 device.
preferable lanuage is C.
IDE of choice is MPLAB or mikroC PRO.
Able to operate at 4800,9600, 19200 baud
Support the following standard modbus commands (function codes):
03, 04,06,08 and 16
Perform 16 bit CRC calculation is required on all outgoing and incomming packets.
Read / Write Regisers of any slave device connected to rs485 daisychain network.
Provide documentation to explain how to interface to supplied libraries
Handle standard modbus Exceptions codes: 1 and 2
Full source code must be provided.
11 freelance font une offre moyenne de $237 pour ce travail
We are working in embedded system design from last ten years, working in embedded hardware (schematics and multilayer pcb designing in in EMI/EMC aspects) and firmware programming. Please see PM for detail.