https://devzone.nordicsemi.com/f/nordic-q-a/39977/array-data-transmittion-by-spiHi! I have added programs for register writing to SPI programs and using SDK14.0.0 I am using the nrf_drv_spi_transfer function to transfer three data. but when confirming the output of the log by Tera term, &quot;test1&quot; after nrf_drv_spi_transferen-USTelligent Community 13Sat, 01 Dec 2018 14:13:20 GMThttps://devzone.nordicsemi.com/thread/159800?ContentTypeID=1Sat, 01 Dec 2018 14:13:20 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b422cf81-1d8c-458f-8b71-a584ca576e59awneil[quote userid="26287" url="~/f/nordic-q-a/39977/array-data-transmittion-by-spi/159785"]I was able to solve this problem![/quote] <p>For the benefit of future readers who may have similar issues, please describe how you solved the problem.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/159785?ContentTypeID=1Sat, 01 Dec 2018 05:12:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:43850b89-85e3-4c8e-9cd7-7037470a3505Kaito<p>thank you for your reply!&nbsp;</p> <p>I was able to solve this problem!</p> <p>thank you!!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/155009?ContentTypeID=1Tue, 30 Oct 2018 08:27:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1185d4e5-632e-41c2-a085-e5bcd195734aJ&#248;rgen Holmefjord<p>Hi,</p> <p>Please debug the application using <a href="https://devzone.nordicsemi.com/f/nordic-q-a/10729/my-device-is-freezing-and-restarting">this method</a>, to find which function returns an error code, and what the error is.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>