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Download EMMA Mobile1 Application Note SPI Interface
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APPENDIX A SPI Driver Function 40/41 A.4.14 SPI Receive [Function Name] em1_spi_receive [Format] uint em1_spi_receive (uchar spi_n); [Argument] Parameter spi_n Type I/O uchar I Detail SPI number [Function Return] DRV_ERR_PARAM Received data [Flow Chart] Start SPI Read Start [ SPx_Control ] Data Transmit Transmit End? No Yes No Transmit Error? Read data from buffer [ SPx_RX_DATA ] Yes Abnormal End Normal End Figure A-6 SPI Receive Data Flow [Note] None Application Note S19901EJ1V0AN00
