Infineon SPI DMA 1 Manual page 10

Implementation
SPI Master Slave Communication:
The SPI Master Slave communication is established through the following steps:
›
Enable SPI Slave for data communication using the function:
IfxQspi_SpiSlave_exchange()
›
Enable and Start SPI Master data communication using the function:
IfxQspi_SpiMaster_exchange()
›
Poll for SPI slave data reception using the function:
IfxQspi_SpiSlave_getStatus()
›
The received and transmitted data are compared byte by byte and the
number of errors are counted
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