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Release Notes History
97
SWRU271H–October 2010–Revised April 2019
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Copyright © 2010–2019, Texas Instruments Incorporated
General Information
Bug Fixes:
• When power management is used with long connection intervals (>2s), the CC254x remains sleeping
properly without unnecessary wake-ups.
• When slave latency is used, peripheral devices now properly wake-up before the next connection
event when a data packet is queued
• Various bug fixes on the GlucoseSensor and GlucoseCollector projects to improve compliance with
profile and service specifications.
• HID-over-GATT Pofile (HOGP) implementation has been updated to provide better interoperability with
HID hosts.
Known Issues:
• Use of the NV memory (to save application data or Bluetooth Low Energy Host bonding information)
during a Bluetooth Low Energy connection may cause an unexpected disconnect. The likelihood of this
happening increases with frequent usage, especially when using short connection intervals. The cause
is related to the NV wear algorithm which at some point may cause an NV page erase which can
disrupt system real-time processing. It is therefore recommended that the NV memory be used
sparingly, or only when a connection is not active.
• HCI packet size of 128 bytes or more will be disregarded by the stack, and as such, no HCI event will
be returned.
For technical support, visit the Texas Instruments Bluetooth Low Energy E2E Forum:
http://e2e.ti.com/support/low_power_rf/f/538.aspx
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Version 1.2.1 Apr 13, 2012
Notices:
• This version of the Texas Instruments Bluetooth Low Energy stack and software is a minor update to
the v1.2 release. It contains some minor enhancements and bug fixes, with no API changes or major
functional changes.
Changes and Enhancements:
• When advertising is enabled by calling GAP_MakeDiscoverable, the first advertisement event will now
occur within a few milliseconds, rather than waiting for 10 ms.
Bug Fixes:
• The HidEmuKbd project now properly implements the HID Service include of the Battery Service. This
bug fix allows for proper interoperability between the CC254x HID Profile and host systems running
Windows 8.
• The source code file hal_board_cfg.h has been updated to better support the serial bootloader (SBL)
and Universal Bootloader (UBL).
• Scanning in BTool can now be cancelled at any time without hanging or freezing the system.
Known Issues:
• Use of the NV memory (to save application data or Bluetooth Low Energy Host bonding information)
during a Bluetooth Low Energy connection may cause an unexpected disconnect. The likelihood of this
happening increases with frequent usage, especially when using short connection intervals. The cause
is related to the NV wear algorithm which at some point may cause an NV page erase which can
disrupt system real-time processing. It is therefore recommended that the NV memory be used
sparingly, or only when a connection is not active.
For technical support, visit the Texas Instruments Bluetooth Low Energy E2E Forum:
http://e2e.ti.com/support/low_power_rf/f/538.aspx
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