BT SDK1.2 Release Notes
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BT SDK1.2 Release Notes
BT-SDK 1.2 3684023-002-27201 199 KB
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Document DEVICE REPORTBT-SDK 1.2 3684023-002-27201BT SDK1.2 Release Notes
BT SDK 1.2 Release Notes
Overview
This release is an update to the BT_20819A1 SDK. The BT SDK 1.2 is targeted for the CYW20721B2, CYW20819, and CYW20820 ultra low power Bluetooth 5.0 SoCs and the ModusToolboxTM IDE. ModusToolbox 1.1 with the Bluetooth SDK software library provides a complete development environment to allow you to quickly create Bluetooth enabled IoT solutions like smart watches, medical devices, or home automation platforms. This document describes the features and known limitations for the BT SDK 1.2.
Contents
Overview ................................................................................................................................................. 1
Contents.................................................................................................................................................. 1
What's Changed ...................................................................................................................................... 1
What's Included....................................................................................................................................... 2 Bluetooth SDK................................................................................................................................... 2
Design Impact ......................................................................................................................................... 2 Updating from BT_20819A1 SDK ...................................................................................................... 2
Supported Boards.................................................................................................................................... 2
Known Issues/Limitations ........................................................................................................................ 3 Documentation.................................................................................................................................. 3 Platform ............................................................................................................................................ 3 Bluetooth SDK................................................................................................................................... 3
Open Source ........................................................................................................................................... 5
Further Reading ...................................................................................................................................... 5
What's Changed
This section provides a high-level overview about what changed from BT_20819A1SDK to BT_SDK1.2. Added support for a new CYW20819 based platform: CYBT-213043-EVAL Added support for CYW20820 device and CYW920820EVB-02 platform Note: The CYW920820EVB-02 will be available soon from a Cypress distributor. Added the following demo code examples for the CYW920819EVB-02, CYBT-213043-MESH, CYBT-213043-EVAL, CYW920820EVB-02 BLE_Mesh_LightSmart BLE_Mesh_SensorMotion
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BT SDK1.2 Release Notes
BLE_Mesh_LowPowerLED Added SPP code example and library for all devices and platforms in BT SDK1.2 Added support for the CYW20721B2 device and CYW920721B2EVK-01 platform.
Note: The CYW920721B2EVK-01 has limited availability. Contact Cypress sales. Note: Additional audio demo/snip/middleware code examples are available in a separate Pro
zip file distribution. Contact Cypress sales to get access.
What's Included
Bluetooth SDK The Bluetooth SDK is targeted for the CYW20721B2, CYW20819A1, and CYW20820A1 ultra low power Bluetooth 5.0 SoC and the ModusToolbox IDE. This SDK includes the following:
Bluetooth firmware Platform and board support packages Build system Local tools including BTSpy trace utility and debugger Various sample applications
Design Impact
Updating from BT_20819A1 SDK
Installing the BT SDK 1.2 will remove any previous version. If you have local work that needs to be saved, copy out the <MT_INSTALL_FOLDER>/libraries/xx to a different location. The default BT_20819A1 SDK1.0 can be removed if desired, installing this SDK will update/obsolete. Use the following steps to install the BT SDK1.2 in the ModusToolbox 1.1 IDE:
1. From the ModusToolbox IDE, click on the Help menu and select Update ModusToolbox SDKs 2. Click install Custom SDK 3. Browse to the downloaded .cysdk file and install
Supported Boards
This release provides support for the following boards.
Board
MCU
Connectivity
CYW920819EVB-02
CYW20819
On-chip Bluetooth
CYBT-213043-MESH
CYW20819
On-chip Bluetooth
CYBT-213043-EVAL
CYW20819
On-chip Bluetooth
CYW920820EVB-02
CYW20820
On-chip Bluetooth
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BT SDK1.2 Release Notes
Board CYW920721B2EVK-01
MCU CYW20721
Connectivity On-chip Bluetooth
Known Issues/Limitations
This section lists the known issues/limitations of this release:
Documentation
Problem
Various documents included with the release may contain incomplete information or may not contain up to date screen captures or information.
Workaround
New versions of documents, including these release notes, may be available online at:
www.cypress.com/modustoolbox
Platform
Limitation CYW920820EVB-02 will be available soon.
CYW920721B2EVK-01 has limited availability. Audio demo/snip/middleware code examples for the CYW20721B2 are not included by default in the BT SDK1.2
Workaround Contact Cypress sales for availability.
Contact Cypress sales to request access. Contact Cypress sales to request access to the additional code examples available for the CYW20721B2.
Bluetooth SDK
Problem
Workaround
[CYW20721B2EVK-01] Hello sensor: The LED on the DUT is not blinking even though a valid number is input.
This issue will be addressed in the next BT SDK release.
[CYW20721B2EVK-01] I2C master: Observed "I2C comboread operation failed" instead of motion sensor value in the debug logs
This issue will be addressed in a future BT SDK release.
[CYW20721B2EVK-01] Low power sensor: Getting no SDS debug logs when downloading with SDS configuration and vice-versae
This issue will be addressed in the next BT SDK release.
[CYW20721B2EVK-01] Pbap client: Chip name This issue will be addressed in the next BT SDK release. is 20719
[CYW20721B2EVK-01] Not observing much
This issue is targeted to be addressed in the next BT SDK
difference in throughput for LE1M Phy and LE2M release.
Phy for 1Mb data
[CYBT-213043-EVAL] Button is working with
This issue will be addressed in the next BT SDK release.
default pin configuration even when functionality
is changed through device configurator
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BT SDK1.2 Release Notes
Problem
Workaround
[CYW920819EVB-02, CYBT-213043-EVAL] LED is working with default pin configuration even when functionality is changed through device configurator
This issue will be addressed in the next BT SDK release.
[CYW920819EVB-02] Configured GCI-SECI pins This issue will be addressed in the next BT SDK release. are not working.
[CYW920820EVB-02] Spi_master functionality is This issue will be addressed in the next BT SDK release. not working after changing pin configuration through device configurator
[CYW920820EVB-02] Spi_slave functionality is not working after changing pin configuration through device configurator
This issue will be addressed in the next BT SDK release.
[CYBT-213043-EVAL] Not observing much
This issue is targeted to be resolved in the BT2.0 SDK release.
difference in throughput for LE1M Phy and LE2M
Phy for 1Mb data
[CYBT-213043-MESH, CYW920820EVB-02] Unable to do OTA upgrade for apps which does not have Proxy feature enabled (dimmer, on_off_switch)
This issue will be addressed in the next BT SDK release.
[CYBT-213043-MESH] Failed to send friend update because FSN didn't get updated as expected.
This issue will be addressed in the next BT SDK release.
[CYBT-213043-MESH, CYW920820EVB-02] Unable to get Component info from Light_dimmable app. Device doesn't reply back anything on sending "Get Info"
This issue will be addressed in the next BT SDK release.
[CYBT-213043-MESH, CYW920820EVB-02] OTA does not work on mesh/demo/applications using Android mobile app. Gatt disconnect occurs before completing the Download verification step of OTA
This issue will be addressed in the next BT SDK release.
[CYBT-213043-MESH] Unable to provision
This issue will be addressed in the next BT SDK release.
through PB-ADV using Client control. Provision
stops after receiving device capabilities.
[CYBT-213043-MESH] Provisioning invite send This issue will be addressed in the next BT SDK release. failed for mesh_provision_server app and provisioning fails.
[CYW920820EVB-02] PTS does not receive
This issue will be addressed in the next BT SDK release.
Generic OnPowerUp or Power Level status after
power on reset.
[CYW920820EVB-02] Unable to send subscription get from client control and mesh conformance test fails since PTS "Did not receive Config SIG Model Subscription Get (Element Address = PTS's unicast address"
This issue will be addressed in the next BT SDK release.
[CYBT-213043-MESH] Unable to bind required AppKey during the execution of MESH/CFGCL/KR/BV-XX-C
This issue will be addressed in the next BT SDK release.
[CYW20819A1, CYW20820A1] BLE throughput This issue is targeted to be resolved by the BT2.0 SDK release. is not optimized.
[CYW920819EVB-02] Wake up from ePDS doesn't reinitialize I2C
This issue will be addressed in the next BT SDK release.
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BT SDK1.2 Release Notes
Problem
Workaround
[CYW920819EVB-02] HID-off mode current is not optimized
This issue will be addressed in the next BT SDK release.
[CYW920819EVB-02] Range of values allowed by the API wiced_bt_ble_set_adv_tx_power() seems to be invalid.
This issue will be addressed in the next BT SDK release.
[CYW920819EVB-02] Connection drops if deassert the bt_dev_wake_gio signal when not streaming audio
This issue is targeted to be resolved by the BT2.0 SDK release.
[CYW920819EVB-02] Observed connection drop This issue is targeted to be resolved in the next BT SDK
due to connection timeout in BTLE sleep test
release.
cases where IUT is in slave role
[CYW920819EVB-02] Volume up/down and disconnect not working after 3 minutes of AV source streaming to sink device
This issue is targeted to be resolved in the next BT SDK release.
[CYW920820EVB-02] Low power UART data gets corrupted
This issue is targeted to be addressed in the next BT SDK release.
Linker does not complain about duplicate objects This issue will be addressed in the next BT SDK release.
When using the ANS application, the UI does not This is a current UI limitation, the application can handle
allow generating all possible alerts
generating alerts. The UI can generate individual alerts.
simultaneously.
Unable to open multiple Client Control applications on Mac OS.
This is a limitation only if you use 2 or more boards on same Mac OS simultaneously and need to use Client Control for each app. In such a case, 2 different PCs will be needed.
sensor_motion example project does not support This issue will be addressed in the next BT SDK release. LPN functionality fully, and cannot enter sleep mode during operation.
Android Mesh Controller DFU over mesh disabled
This issue will be addressed in the next BT SDK release.
Android app crashes if we try to switch the app mode from `HOME' to `AWAY'
This issue will be addressed in the next BT SDK release.
Open Source
Portions of this software package are licensed under free and/or open source licenses such as the GNU General Public License. Such free and/or open source software is subject to the applicable license agreement and not the Cypress license agreement covering this software package. The applicable license agreements are available online:
http://www.cypress.com/documentation/software-and-drivers/free-and-open-source-softwaredownload-page
Further Reading
There are several related documents provided with ModusToolbox software. These documents include (but are not limited to):
ModusToolbox Installation Guide Bluetooth API Documentation ModusToolbox IDE Quick Start Guide
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BT SDK1.2 Release Notes
ModusToolbox IDE User Guide
ModusToolbox Configurator Guides (for each Configurator)
Other documentation includes (but is not limited to):
Device Datasheets
Application Notes
Training
Contact your Cypress representative, as needed.
Cypress Semiconductor 198 Champion Ct.
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