about ANCS in SDK 9.0 ,the problem of SPI crashhttps://devzone.nordicsemi.com/f/nordic-q-a/9232/about-ancs-in-sdk-9-0-the-problem-of-spi-crashHi: I am using the ANCS from SDK9.0 ,SoftDevice8.0 and iOS8.1.3. Every time when I run ANCS, SPI will often crash.and error codes is:NRF_ERROR_BUSY. Don&#39;t know if you have encountered the same problem, personal think is ANCS with SPI caused byen-USTelligent Community 13Tue, 15 Sep 2015 11:51:22 GMTRE: about ANCS in SDK 9.0 ,the problem of SPI crashhttps://devzone.nordicsemi.com/thread/34077?ContentTypeID=1Tue, 15 Sep 2015 11:51:22 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0aa2cf24-b25f-4104-8637-116def5fa2ddSusheel Nuguru<p>Do you get an error busy when you calling spi_master_send_recv? Then why don&#39;t you try to call it again, may be like below</p> <pre><code>while (spi_master_send_recv(spi_master_hw_instance, p_tx_data, len, p_rx_data, len) == NRF_ERROR_BUSY); </code></pre><div style="clear:both;"></div>