https://devzone.nordicsemi.com/f/nordic-q-a/8413/nrf-51-spi-masteri&#39;ve got problem with spi master connection, im trying to set leds via SPI on DWM1000 module, i&#39;ve checked through advertising that spi_master_send_recv() sends correct values, however when i try to read all registers contain zeros, any idea why? en-USTelligent Community 13Wed, 29 Jul 2015 12:41:16 GMThttps://devzone.nordicsemi.com/thread/30562?ContentTypeID=1Wed, 29 Jul 2015 12:41:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2b79ca8e-d308-44c3-a9c7-9e09f0551badSusheel Nuguru<p>This is very vague description, you can show some timing information here of how it was supposed to be and what you are seeing, so that people gets interested.</p><div style="clear:both;"></div>