APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, m_tx_buf, m_length, m_rx_buf, m_length));

[YASH]

Hi All,

I am a beginner,Can you please explain me what is the role of this line?

APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, m_tx_buf, m_length, m_rx_buf, m_length));

[YASH]

i am using a SPI application to interface a display and sd card using sdk 12.2.0 on nrf51422. I just wanted to know what this line written above means.?