nRF52832 UART loss data

RE: nRF52832 UART loss data

Lurn_Z — Thu, 23 Feb 2023 09:49:06 GMT

Ok, Thanks.

RE: nRF52832 UART loss data

Einarh — Thu, 23 Feb 2023 09:31:48 GMT

Ok, then I'll close this ticket as the issue has been resolved and you are already receiving assistance on your new ticket.

-Einar

RE: nRF52832 UART loss data

Lurn_Z — Thu, 23 Feb 2023 09:20:02 GMT

I used the uarte, and it no longer lose data, but I found another problem.

you can see in this link.

BR,

Lurn

RE: nRF52832 UART loss data

Einarh — Thu, 23 Feb 2023 09:15:48 GMT

Did you manage to get it working using this sample?

If not I would recommend having a look at our nrfx driver:

https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrfx/index.html

https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrfx/drivers/uarte/driver.html

Best regards,

Einar

RE: nRF52832 UART loss data

Lurn_Z — Mon, 20 Feb 2023 09:52:44 GMT

sorry, I just found the example about uarte in examples/peripheral/libuarte

RE: nRF52832 UART loss data

Lurn_Z — Mon, 20 Feb 2023 07:42:32 GMT

How should I modify the configuration to use UARTE?

My config is here.

I don't know how to use UARTE and how to confirm that UARTE is being used.

BR,

Lurn

RE: nRF52832 UART loss data

Lurn_Z — Fri, 17 Feb 2023 09:34:55 GMT

Ok, I will try this.

Lurn

RE: nRF52832 UART loss data

Einarh — Fri, 17 Feb 2023 09:31:20 GMT

Your UART communication might be getting interrupted by BLE communication.

To avoid this you might want to try the UARTE driver, which lets you transmit and receive UART data directly from/to RAM, freeing up the CPU:

https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832.ps.v1.1%2Fuarte.html&cp=5_2_0_34&anchor=concept_ayq_ycm_wr

-Einar

RE: nRF52832 UART loss data

Lurn_Z — Fri, 17 Feb 2023 01:16:10 GMT

Sorry, but my hardware device does not support flow control

RE: nRF52832 UART loss data

Lurn_Z — Fri, 17 Feb 2023 01:14:21 GMT

The baud rate is 921600, and I need sent 32Bytes per message, but when I test it, I send 4 Bytes and data was lost

Lurn

RE: nRF52832 UART loss data

Turbo J — Thu, 16 Feb 2023 14:16:52 GMT

To use UART reliably on a BT-enabled NRF52xxx device, I strongly recommend using the flow control signals (RTS/CTS). Otherwise you will loose data due to interrupts arriving late.

RE: nRF52832 UART loss data

Einarh — Thu, 16 Feb 2023 14:07:15 GMT

Hello

Please see this link for the nRF52832 UART specification:

https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832.ps.v1.1%2Fuart.html&cp=5_2_0_49&anchor=concept_dm5_drw_sr

What baud rate are you using?

How many bits do you send per message?

Best regards,

Einar