rpi uses spi to communicate with nrf52840 and missed transmission problemhttps://devzone.nordicsemi.com/f/nordic-q-a/71350/rpi-uses-spi-to-communicate-with-nrf52840-and-missed-transmission-problemI am using raspberry pi to communicate with nrf52840 My rpi is used as msater, nrf52840 is used as slave My nrf52840 is implemented as SPI slave under zephyr OS At present, I found that when rpi uses spi to transfer data to nrf52840, there will be a problemen-USTelligent Community 13Sat, 06 Feb 2021 21:14:38 GMTRE: rpi uses spi to communicate with nrf52840 and missed transmission problemhttps://devzone.nordicsemi.com/thread/293209?ContentTypeID=1Sat, 06 Feb 2021 21:14:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:977a6252-5d0e-4890-9715-e7de74459f15Charlie<p>Hi <span>Po-I</span>,</p> <p></p> <p>The SPI communication clock is controlled by the SPI master, so there is no need to configure frequency for the SPI Slave device.</p> <p>I suspect there should some problem with the codes, please refer to <a href="https://infocenter.nordicsemi.com/index.jsp">examples\peripheral\spis </a>in nRF5SDK 17 to make sure this program works properly. You can test with the SDK <a href="https://infocenter.nordicsemi.com/topic/sdk_nrf5_v17.0.2/spi_master_example.html">spi master example</a>.</p> <p>Best regards,</p> <p>Charlie</p><div style="clear:both;"></div>