https://devzone.nordicsemi.com/f/nordic-q-a/112696/nrfx-spis-driver-initialize-using-ncs-1-7-1when ntfx_spis_init() is done , NRFX_ERROR_INVALID_STATE errer occured. pcb_state is NRF_DRV_STATE_INITIALIZED. my code is int cc3235_spi_init ( void ) { nrfx_spis_config_t spis_config = NRFX_SPIS_DEFAULT_CONFIG ( 8 , 2 , 3 , 4 ) ; en-USTelligent Community 13Thu, 04 Jul 2024 09:09:08 GMThttps://devzone.nordicsemi.com/thread/492193?ContentTypeID=1Thu, 04 Jul 2024 09:09:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f51548df-5637-411b-b4f9-a7fc5afb517bNaeem Maroof<p>Hello,</p> <p>Can you show which sample code you are using as reference if any?</p> [quote user=""]<div><span>nrfx_err_t</span><span> </span><span>result</span><span> </span><span>=</span><span> </span><span>nrfx_spis_init</span><span>( </span><span>&amp;</span><span>get_dev_config</span><span>(</span><span>dev_spis</span><span>)-&gt;</span><span>spis_inst</span><span>,</span></div> <div><span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</span><span>&amp;</span><span>spis_config</span><span>, </span><span>event_handler</span><span>, </span><span>dev_data</span><span>);</span></div>[/quote] <p>What is the first argument here? I see that it should be a pointer to the driver instance structure.</p><div style="clear:both;"></div>