v1.7.0

Added

• Added an error code (IMPROPER_RESPONSE = 0xC) that will be set when the modbus response doesn't match the request. This could be an incorrect value set, a malformed response, or a number of bytes returned from a command is different from that expected.

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v1.6.6

Fixed

• Fix attempt to set timeouts and run other functions on nullptr

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v1.6.5

Fixed

• Fix attempt to print to nullptr

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v1.6.4

Fixed

• Fixed compiler warning

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v1.6.3

Changed

• BREAKING Changed arguments of byteToFrame function
• Ensure all buffers are filled with 0's before filling them with real values

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v1.6.2

Changed

• null terminate all character strings (c-style character arrays)
  • This applies to all characters added to an input buffer from the charFrom{Input/Holding}Register(...) and charFromFrame(...) functions.

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v1.6.1

Added

• Added debugging of slicing/subsetting arrays

Fixed

• Reordered retry logic

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v1.6.0

Changed

• Reorganized functions in h file
• Renamed some internal variables in the cpp file.

Added

• Added overload functions {type}FromHoldingRegister(..). These are identical to the {type}FromRegister(..) functions.
• Added support for broadcasts to address 0.

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v1.5.0

Changed

• Change the timeout for the underlying stream object immediately after frame timeout is changed.

Added

• Added functions to set and get pointers to the stream used for communication
• Added functions to set and get the slave ID.
• Added additional constructors

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v1.4.0

Changed

• Removed all variable length arrays within functions
• No longer trimming returned Strings

Added

• Implemented a single static command buffer
• Added the define COMMAND_BUFFER_SIZE to control the size of the command buffer.
• Added charToRegister(..) and charToFrame(..) functions, each accepting a pointer to a constant char (const char*).

Fixed

• Fixed return value for sendCommand function.

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