HID Keyboard and Central(ble_app_uart_c) Data receive/send issue.

[meghna]

Hi

I am using nrf52832-PAC10040,SDK : RF5_SDK_17.0.2.

USE CASE:I need to make connection between HID keyboard with Central(ble_app_uart_c) . And send/receive data from HID to central and vice versa.

I am able to make connection between HID keyboard with Central(ble_app_uart_c) but i am not able to get data from HID keyboard to Central(ble_app_uart_c).Please suggest how to do that?

Thanks!

[tesc]

Hi,

In order to send and receive data over BLE, you need to use the same Service / Characteristic in both ends. The HID Keyboard Application example uses the Human Interface Device Service, while the Nordic UART Service Client example expects to find the Nordic UART Service. They are simply not made to work with each other.

If you want to receive UART like data, then you should pair up the Nordic UART Service Client with the UART/Serial Port Emulation over BLE example. We do not have a central example for HID, as HID devices are expected to connect to a computer, notebook, smartphone or similar, not to an embedded device. If you want an embedded device to act as a HID central, then I am afraid that you need to implement that yourself.

Regards,
Terje