SPI Driver Library Interface
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Detailed descriptions for this library can be found in the MPLAB® Harmony Documentation.
(found in the <harmony install directory>/doc folder)

System Interaction Functions

Name Description
DRV_SPI_Initialize Initializes the SPI instance for the specified driver index.
DRV_SPI_Deinitialize Deinitializes the specified instance of the SPI driver module.
DRV_SPI_Status Provides the current status of the SPI driver module.
DRV_SPI_Tasks Maintains the driver's state machine and implements its ISR.

Client Setup Functions

Name Description
DRV_SPI_Close Closes an opened instance of the SPI driver.
DRV_SPI_Open Opens the specified SPI driver instance and returns a handle to it.
DRV_SPI_ClientConfigure Configures a SPI client with specific data.

Data Transfer Functions

Name Description
DRV_SPI_BufferStatus Returns the transmitter and receiver transfer status.
DRV_SPI_BufferAddRead Registers a buffer for a read operation. Actual transfer will happen in the Task function.
DRV_SPI_BufferAddWrite Registers a buffer for a write operation. Actual transfer will happen in the Task function.
DRV_SPI_BufferAddWriteRead Registers a buffer for a read and write operation. Actual transfer will happen in the Task function.
DRV_SPI_BufferAddRead2 Registers a buffer for a read operation. Actual transfer will happen in the Task function.
DRV_SPI_BufferAddWrite2 Registers a buffer for a write operation. Actual transfer will happen in the Task function.
DRV_SPI_BufferAddWriteRead2 Registers a buffer for a read and write operation. Actual transfer will happen in the Task function.
DRV_SPIn_ReceiverBufferIsFull Returns the receive buffer status. 'n' represents the instance of the SPI driver used.
DRV_SPIn_TransmitterBufferIsFull Returns the transmit buffer status. 'n' represents the instance of the SPI driver used.

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