UARTE can't receive data

[Dave_couling]

I've been playing around with the UART drivers on SDK 15.2.  No issues with the Legacy (w/DMA) however I've tried switching over the NRFX_UARTE driver and I can't get the driver to Recieve data.  The Rx Event is never called in the handler, nor does nrfx_uarte_rx_ready() ever return true?   The only real difference in the driver API's is the legacy driver has the nrf_drv_uart_rx_enable(.) call which isn't in the NRFX_UARTE module.  Is there anything I could have missed that would prevent data receiving on this driver?

p.s. in the sdk_config file I did enabled NRFX_UARTE and NRFX_UARTE0.  Also commented out the Legacy #defines as per requirements for other drivers

[Jørgen Holmefjord]

Hi,

Can you post the code you used for configuring UARTE, and setting up the transfers? I'm not sure what the purpose of the function nrfx_uarte_rx_ready() is in the driver, to me it seems that using this function only makes sense to use together with nrfx_uart_rx_enable() in the legacy UART driver for polling UART.

Best regards,
Jørgen

[Dave_couling]

static nrfx_config_t my_uart_config = NRFX_UARTE_DEFAULT_CONFIG

err_code = nrfx_uarte_init( &mu_uarte,
&my_uarte_config ,
my_uarte_event_handler );

APP_ERROR_CHECK(err_code);

nrfx_uarte_rx( &my_uart,
(uint8_t*)my_uart_rx_buffer_assigned,
UART_RX_BUF_SIZE);

With this code, the my_uarte_event_handler is never called.  I've checked that the pin assignment is correct in the board file, and I've disabled flow control