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- the return value is used to pass the message length - remove the hack on exception check in modbus receive - update tests
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- adjusts various comments on return values - updated tests - added entry to MIGRATION
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- new function modbus_flush - new names and values for error defines - finer recovery on error - merge TOO_MANY_DATA and INVALID_DATA - stop unit-test-master at the first error - FLUSH_OR_RECONNECT_ON_ERROR -> FLUSH_OR_CONNECT_ON_ERROR - more precise tests in unit-test-master
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- MAJOR changes to the API (see MIGRATION) - New unit tests - Removed TODO list - Updated NEWS & MIGRATION files
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The maximum length of the ADU is 260 in TCP not 256.
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Improve the conformance to the Modbus protocol. MAX_STATUS: 800 -> 2000 MAX_REGISTERS: 100 -> 125
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This change improves the conformance with the PDU and ADU definitions of the Modbus protocol and reduces the number of additions.
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- upgrade to WAF 1.5.3 - smaller WAF scripts - fix using of modbus.h with WAF - updated configure.ac and Makefile.am files - change include paths in test files
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- move modbus.h => include/modbus/ - create a pkgconfig file (module.pc) - install modbus.h in $(includedir) - new path to reach modbus.h
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- (error_treat): used string instead of message - added a define for each function code supported - added compute_query_size_header/data functions to read messages - added new function manage_query to manage queries and send the right response - s/receive_response/receive_msg/ - major changes to receive_msg to handle query - changed return value of check_crc16 - added response_io_status - comments - added functions to allocate/free a modbus mapping
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