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If <sys/time.h> is not included before "modbus.h" as struct timeval is not declared. This behavior was observed while building libmodbus for QNX. Signed-off-by: Matthias Weisser <weisserm@arcor.de>
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- partial revert of 93ce13656103cbb459ebd630d055a008dbb059f3 - it was a bit confusing to always edit modbus.h.in - the header inclusion still unchanged (<modbus.h>)
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Idea suggested by Hannu Vuolasaho
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- return only useful data client side - available in TCP when a gateway to RTU is used - need to add isolated handling of indication/confirmation messages
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- more coherent - namespace - opaque and smaller context - usual wording
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A new API will be committed to remove the slave in TCP communication.
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Original patch by Sisyph (eric-paul).
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Page 23 of Modbus_Messaging_Implementation_Guide_V1_0b
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The function was used only one time.
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The ID used at init time will be the device ID of the caller and the server ID in request functions is the target to reach.
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The library is now simpler to include (only one <modbus.h>) To avoid confusion MB_VERSION defines have been renamed to LIBMODBUS_VERSION.
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This reverts commit df0cf7927249954f15e0aa85b02d21b990fa9af9. Use <modbus.h> in tests.
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This time the change is definitive :)
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I don't want to put a burden on build system support anymore
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Requests not to send SIGPIPE on errors on stream oriented sockets when the other end breaks the connection.
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The previous implementation dereferenced a type-puned pointer, which is illegal according to ANSI C. Some newer versions of GCC will complain about this. This implementation uses "memcpy" to avoid this problem.
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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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It occurs on first occurence of slave timeout (found with Valgrind 3.3.0). Reported by Henrik Munktell.
