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All private functions and constants are now prefixed by _. The modbus protocol uses entry points to call specific functions.
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The cycle will end on a 3.0 release instead of 2.2 as intended. There are too many changes in the API to keep the same major number.
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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.