Example of easy dma over UART using nrf52

[RajviKamdar]

Hi All

I am trying to find some example code which uses easy DMA over UART using nrf528240..

Using sdk version 15.0. The example which is available by default uses the legacy uart driver and not Easy dma.

Appreciate your help on the same.

Thanks

Rajvi

[Simonr]

Hi Rajvi

Our UART example does use DMA. To disable DMA you have to set the following config parameters in the sdk_config.h file to 0:

• UART_EASY_DMA_SUPPORT
• UART0_CONFIG_USE_EASY_DMA
• NRFX_UARTE_DEFAULT_CONFIG_HWFC (This should already be set to 0, but it has to be to disable DMA).

Best regards,

Simon

[RajviKamdar]

Hi Simonr

I am asking for an example which uses easy dma with that of UART. 

Current UART example does not use easy dma, it uses legacy uart driver and not easy dma. Can you please help on the same.

[Simonr]

Hi

Sorry about the misunderstanding. The UART example has both the legacy and UARTE enabled but uses the legacy driver by default. You could just disable the legacy UART in sdk_config so that UARTE will be used instead.

Best regards,

Simon