Disabling UART RX issues

RE: Disabling UART RX issues

ovrebekk — Tue, 29 Dec 2020 13:54:22 GMT

Hi Kim

I am happy to help. Unless you have more questions I will consider the case resolved 🙂

Best regards
Torbjørn

RE: Disabling UART RX issues

navman — Wed, 23 Dec 2020 08:11:10 GMT

Yes I see using using both the higher level app_uart library and the lower level driver functions in the same application, things gets "messed up" in the app library. Using the the app_uart library only seems to solve the issues. Thanks for your advice.

Kim

RE: Disabling UART RX issues

ovrebekk — Fri, 18 Dec 2020 14:49:54 GMT

Hi Kim

The nRF52832 only has one UART interface, so you have to use UART0 or UARTE0.

Which instance to use is set by the index provided in the NRF_DRV_UART_INSTANCE(index) macro.

In general you should not use any of the nrf_drv_uart functions if you are using a higher level UART library such as app_uart.

To really ensure minimal sleep current it is best to disable the UART completely, using app_uart_close().

Also, if you were using a later SDK I would recommend switching to the nrf_libuarte driver, but in SDK v14.0.0 this one is not available.

Best regards
Torbjørn