Studio Bluetooth Forum Discussions

Hi,

The customer application is needed that CYW20721 is set Tx power:-13dBm, because it combines with the power amp.

Can CYW20721 be set Tx power:-13dBm?

Best Regards,

Inoue

Hi：

     I  have read the  CYW20735 reference document: 002-14881_CYW20735B1_Single-Chip_Bluetooth_Transceiver_for_Wireless_Input_Devices.pdf

    but  I  don't find  about  the  hardware timer of  CWY20735 .the document only introduce the clock source  choice of the timer, who can provide me some docunments about  hardware timer introduction

Hi，

I want to confirm A2DP source,HFP and BLE function,in the code example from modustoolbox,i can only find watch demo which support A2DP source .So if 20819 support HFP and how can i get this demo?

Can i port hello_sensor and hci_audio_gateway to support BLE and HFP from WICED Studio?

Thanks.

BR,

Leo

Hi:

    now  I can capture the bluetooth mesh packets by the wireshark, but the mesh packets have been decrypted.

    how to decrypt this packets!

thanks

请问：

       客户使用20719 I2C接口，发现除了映射到P25和P29管脚，通过super MUX映射到其他端口都无法使用。

       看资料介绍：

       LHL GPIOs are different from Arm GPIOs in few ways. LHL GPIOs can operate in low power modes and support mux-able peripherals, whereas Arm GPIOs can operate only in active mode with limited functionality. The functionalities that can be brought out to LHL I/Os are I2C, SPI, PUART, ACLK., and so on

    如果20719有16个GPIO支持LHL,为什么无法映射到其他端口，麻烦说明一下原因，谢谢！

Hi,

I want to test HCI commands. So I use CYBT-343026-01 EVAL board. Let HCI UART's CTS OFF then RESET. Then I enter "01 03 0C 00" command from PUART. No command response.

1.Is my operation right?

2. Is it OK to use ezserial_343026-CYBT_343026_EVAL-rom-ram-Wiced-release.hex?

According to WBT101-03-RTOS ThreadX rtos is built into the device's ROM: How can use original ThreadX functions (not wiced_rtos...), which version of ThreadX is embedded into CYW20719 and which functions (if not all)? Any manuals, tutorials, examples?

Thanks

I am using Wiced 6.2.1 and the CYBT-343026-EVAL board.

I was given some advice that the hci_audio_remote_control application acts as an a2dp source so that is where I started.

I made a few edits on the hci_audio_remote_control program to make it pairable and discoverable, I have attached the files I edited and am using for testing. After getting a few things to work, I have a few questions:

1. I can get it to connect to an iPad (my ultimate end goal) but cannot get it to connect to an android device. Pairing is rejected. Is there something special that needs to be done for this? The watch application pairs with android but not apple. Are the Bluetooth profiles specifically for Android or Apple but not both?
2. After getting it to pair, I was trying to see what the output would be. In the demo/watch app, there is the tAV_APP_CB stuct that has the audio_route  but I cannot find anything similar in the hci_audio_remote_control program. Is it different in this application? Is there documentation to explain this? I am new and am struggling to understand how this is supposed to work as an a2dp source.
3. The first thing I tried to do with the board however was follow the instructions on the hci_control.c file in the hci_audio_remote_control file. I have attached the instructions (hci_audio_remote_control_instructions.txt) and the pins I tied on the two separate boards(hci_spi_bridge_connections.xlsx). When I program them, the build targets are “demo.hci_uart_spi_bridge-CYBT_343026_EVAL download UART=COM8” and “demo.audio.hci_audio_remote_control-CYBT_343026_EVAL download UART=19”. The instructions say to open Client Control and I connected to the port specified, but Client Control does not let me send any commands. Are there any additional steps that I need to follow? The hci_uart_spi_bridge build target has TRANSPORT=SPI, but if I try to program any board that way, it fails to download.

I see some macro WICED_END_OF_CURRENT_THREAD(), but it is available only for 43xx platforms and cant find alternative implementation for CYW20719, so how could end the current thread from inside its implementation function body? 

Thanks

Is it possible to turn off TX on a BLE module to save power, and enable Receive only? The module should wake up on a message received.

Is it possible? Which module / chipset supports it?

Thanks.