BLUEBOX RTU UHF 500mW SINGLE CHANNEL version 1.68 Release Notes
Copyright (C) 2019-2023 Kronotech Srl

This release contains the following components:

* BB_RTU_UHF 1.68M.bin
* ReleaseNotes.txt (this file)

Release Date
------------

    BLUEBOX RTU UHF 500mW SINGLE CHANNEL  version 1.68 - 24/05/23.
    
Warning
-------

    Downgrade from 1.68 or higher version to 1.67 or lower version may result
    in a faulted and unrecoverable device with FLASH memory error due to an 
    unsupported FLASH memory
    
Revision History
----------------

    Version 1.68 - 24/05/23
    
        New features / Enhancements
        ---------------------------
        Added 'new' external FLASH memory (AT25DF041B) support
        
        Corrections
        -----------
        Bug: UHF RFID chip HW CRC check bug in EPC Gen2 read operations
        Fix: added FW CRC check in EPC Gen2 read operations

    Version 1.64 - 22/02/23
        
        Corrections
        -----------
        Bug: wrong RF transmit conducted power at 0, 1, 8, 9, 10, 17, 18 and 19dBm
        Fix: corrected the PA settings of RF transmit conducted power at 0, 1, 8, 
        9, 10, 17, 18 and 19dBm

    Version 1.62 - 20/11/20
    
        New features / Enhancements
        ---------------------------
        Improvements in the RS485 serial interface management.
    
        Corrections
        -----------
        Fixed bug in dynamic power configuration parameters write.    

    Version 1.61 - 29/04/20
    
        New features / Enhancements
        ---------------------------
        Added the STX + dual char string format setup selection (STX + dual 
        char string, STX + dual char string + CR, STX + dual char string + CRLF) 
        in spontaneous message configuration parameters.
        
        Added the STX + ASCII format setup selection (STX + ASCII string, 
        STX + ASCII string + CR, STX + ASCII string + CRLF) in spontaneous 
        message configuration parameters.
        
        Added the message encoding selection (Standard, Decimal) in spontaneous
        message configuration parameters.

    Version 1.60 - 14/02/20
        
        Corrections
        -----------
        Fixed normal operations task suspension during firmware upgrade procedure.
        
        Fixed read RSSI levels. 

    Version 1.55 - 05/09/19
        
        Corrections
        -----------
        Fixed the time step default value (must be 1 second) in dynamic power 
        management configuration parameters.
        
        Fixed the spontaneous message on serial interface management error
        introduced with previous firmware version.

    Version 1.54 - 06/08/19
    
        New features / Enhancements
        ---------------------------
        Added commands to read and write configuration parameters in RAM or    ROM.
        
        Added the custom RF region setting for test purposes.
        
        Corrections
        -----------
        Fixed the tag read count info overflow condition.
        
        Fixed the RF region change in RF configuration parameters. Do not allow
        to set wrong RF regions except of the custom RF region for test purposes.

    Version 1.53 - 20/05/19

        New features / Enhancements
        ---------------------------
        Added a different device startup beep (3 short beeps) in case of device 
        error.

    Version 1.49 - 25/02/19
    
        Corrections
        -----------
        Fixed max RSSI info management.
        
        Fixed antenna info management.

    Version 1.47 - 30/01/19
    
        New features / Enhancements
        ---------------------------
        Added Brazil RF region support.
        
        Corrections
        -----------
        Fixed the RF region change (and RF channel change in case of RF region
        change) behavior (it becomes effective only after a reset of the device).

    Version 1.46 - 11/01/19
    
        New features / Enhancements
        ---------------------------
        Fixed bug in the max RSSI info in buffer data request update management.

    Version 1.45 - 10/01/19
    
        New features / Enhancements
        ---------------------------
        Added the max RSSI info in buffer data request. It must be activated 
        through the get max RSSI info activation flag in RF configuration.
        
        Corrections
        -----------
        New company name and copyright info.
    
    Version 1.44 - 14/12/18
    
        Corrections
        -----------
        Fixed reply to inventory ISO 18000-6C tags in case of no tag present.
        
        Fixed RF section standby and power down management to reduce power
        consumption.
        
        Reduced the device reboot time.
        
        Reduced the device firmware upgrade start time.

    Version 1.42 - 09/11/18
    
        New features / Enhancements
        ---------------------------
        Added the ASCII format setup selection (ASCII string, ASCII string
        + CR, ASCII string + CRLF) in spontaneous message configuration
        parameters.

    Version 1.41 - 22/10/18
    
        Corrections
        -----------
        Fixed bug in serial communication.

    Version 1.40 - 19/10/18
    
        New features / Enhancements
        ---------------------------
        Added the tag read count info in buffer data. It must be activated 
        through the get tag read count info activation flag in RF configuration.
        
        Corrections
        -----------
        Fixed bug in device address management in the BLUEBOX protocol command.

    Version 1.39 - 16/10/18
    
        New features / Enhancements
        ---------------------------
        Added the spontaneous message format setup (BlueBox protocol rules, 
        dual char to byte, dual char to byte + CR, dual char to byte + CRLF) 
        through spontaneous message configuration parameters.

    Version 1.38 - 09/10/18
    
        New features / Enhancements
        ---------------------------
        Added a 100ms fixed 'filter' time between same spontaneous messages with
        spontaneous message mode set to every identified tag.
    
        Corrections
        -----------
        Fixed bug in inventory ISO 18000-6C tags command with antenna info
        activated.

    Version 1.37 - 17/09/18
    
        Corrections
        -----------
        Fixed bug in private internal memory management commands.

    Version 1.36 - 12/09/18
    
        New features / Enhancements
        ---------------------------
        Added the AFI (Application Family Identifier) management. It must be 
        activated through the EPC C1G2 (Class-1 Generation-2) configuration.

    Version 1.35 - 31/07/18
    
        New features / Enhancements
        ---------------------------
        Added the RSSI info in buffer data request (first seen, last seen),
        queue data request (first seen) and spontaneous message (first seen).
        It must be activated through the get RSSI info activation flag in
        RF configuration.
        
        Corrections
        -----------
        Moved the reset parameters to default configuration emergency procedure
        after the memory initialization and before all other initializations.
        
        Moved the communication interfaces initialization after all other
        initializations.

    Version 1.33 - 11/06/18

        Initial Release.

