run spi master example, how to know the data is received

run spi master example, how to know the data is receivedhttps://devzone.nordicsemi.com/f/nordic-q-a/15559/run-spi-master-example-how-to-know-the-data-is-receivedHi there, this problem may extend the scope, as it relates the SPI slave device (atmel winc1500). When I run the SPI master example, I can see the data transmitted on oscilloscope, but I don't know whether the data is received or not. According to theen-USTelligent Community 13Thu, 04 Aug 2016 22:22:21 GMTRE: run spi master example, how to know the data is receivedhttps://devzone.nordicsemi.com/thread/59391?ContentTypeID=1Thu, 04 Aug 2016 22:22:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:209d4fd2-034e-4c44-b2e3-8731d883a109awneil<p>Unlike I2C, SPI has no definition of what an "ACK" is.</p> <p>So you must first determine (from the datasheet) what, exactly, "<em>send back an ACK</em>" actually means - and look for that happening!</p> <p>You might also see if there is a corresponding "NACK" ("negative" acknowledge)</p><div style="clear:both;"></div>