Bluetooth SDK Forum Discussions

Hi All,

Here is the quick video tutorial on, how to get start with CYW920721B2EVK-02 Evaluation kit using ModusToolBox.

To know the kit details please check here CYW20721B2 Product Guide

The tutorial video is here.

Thanks

Ashok

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Hi,

Here is a Link to a new resource for CYW20819. It has the familiar Application Notes, Code Examples (with a basic explanation of the code) and some commonly used API's in a new format all in one link.

Application Notes -

Getting Started with CYW20819 - AN225684

Getting Started with Bluetooth Mesh - AN227069

Code Examples-

Low-Power Modes - CE225540

BLE Find Me Profile - CE226123

BLE Environment Sensing Temperature - CE226300

BLE Throughput Measurement - CE226301

SPI-Based Datalogger - CE226537

WICED CYW920819EVB-02 BLE_MESH_Dimmer

WICED CYW920819EVB-02 BLE_MESH_Light_Dimmable

API's -

ADC​ , I2C​ , Timer ​,PWM​ ,GPIO​ & BLE Peripheral

Product Guide -

CYW20819 Product Guide

We hope this helps your development process with CYW20819

Feel free to post your feedback.

Regards

Winston

In WICED® BT SDK v1.4 still missing some basic RTOS functionality incl. reported before in the WICED community forum, but neither I see them fixed in v1.4 nor are listed as known issues in the BT SDK 1.4 Release Notes.pdf:

wiced_rtos.h (and API docs) says:

wiced_rtos_delete_thread( wiced_thread_t* thread );  Deletes a terminated thread.

wiced_rtos_thread_join(wiced_thread_t * thread) Sleeps until another thread has terminated

In wiced_rtos API there is no any function exposed for terminating a thread

If we refer to ThreadX manual: "A thread is in a terminated state because another thread or the thread itself called the tx_thread_terminate service"

So in order wiced_rtos_delete_thread and wiced_rtos_thread_join to work they require first thread to be terminated and according to ThreadX documentation this could be done only through tx_thread_terminate, which means that  tx_thread_terminate need also to be exposed through wiced_rtos.

Also need some function or macro in order to terminate the current thread within itself: there was macro WICED_END_OF_CURRENT_THREAD(), but it is available only for 43xx platforms and no  alternative for CYW2*

Other important functionality missing in the wiced_rtos:

Queues:

Missing basic often used functionality to add to the head of the queue like tx_queue_front_send() and to read the head element without to remove it from the queue like xQueuePeek() in FreeRTOS

Event Flags:

clear event flags – in original ThreadX function tx_event_flags_set has additional flag set_option which give functionality either to set or clear desired event bits, in wiced_rtos_set_event_flags this option is missing and the functionality is limited ONLY to set event bits. BTW there is a work around the last issue, but is quite cumbersome.

Reminder that for all BT SDK sample applications, including Mesh Peer-apps, please use the version located here on the BT SDK GIT repository: https://github.com/cypresssemiconductorco/Code-Examples-BT-SDK-for-ModusToolbox as opposed to the versions that are installed as part of the BT SDK install process.