Detailed Description

MCASP Parameters.

MCASP Parameters are used to with the MCASP_open() call. Default values for these parameters are set using MCASP_openParamsInit().

If NULL is passed for the parameters, MCASP_open() uses default parameters.

See also: MCASP_openParamsInit()

Data Fields
int32_t	edmaInst

uint32_t	transferMode

uint8_t	txBufferFormat

uint8_t	rxBufferFormat

uint8_t	txSerUsedCount

uint8_t	rxSerUsedCount

uint8_t *	txSerUsedArray

uint8_t *	rxSerUsedArray

uint8_t	txSlotCount

uint8_t	rxSlotCount

MCASP_TxCallbackFxn	txCallbackFxn

MCASP_RxCallbackFxn	rxCallbackFxn

uint32_t	txLoopjobEnable

uint8_t *	txLoopjobBuf

uint32_t	txLoopjobBufLength

uint32_t	rxLoopjobEnable

uint8_t *	rxLoopjobBuf

uint32_t	rxLoopjobBufLength

Field Documentation

◆ edmaInst

int32_t MCASP_OpenParams::edmaInst

EDMA instance used for MCASP transfer

◆ transferMode

uint32_t MCASP_OpenParams::transferMode

Polling, Blocking or Callback mode.

◆ txBufferFormat

uint8_t MCASP_OpenParams::txBufferFormat

Audio buffer format for app tx buffer

◆ rxBufferFormat

uint8_t MCASP_OpenParams::rxBufferFormat

Audio buffer format for app rx buffer

◆ txSerUsedCount

uint8_t MCASP_OpenParams::txSerUsedCount

Number of allocated transmit serializers

◆ rxSerUsedCount

uint8_t MCASP_OpenParams::rxSerUsedCount

Number of allocated receive serializers

◆ txSerUsedArray

uint8_t* MCASP_OpenParams::txSerUsedArray

POinter to the array of allocated transmit serializer indices

◆ rxSerUsedArray

uint8_t* MCASP_OpenParams::rxSerUsedArray

POinter to the array of allocated receive serializer indices

◆ txSlotCount

uint8_t MCASP_OpenParams::txSlotCount

Number of slots for trasnmit operation

◆ rxSlotCount

uint8_t MCASP_OpenParams::rxSlotCount

Number of slots for receive operation

◆ txCallbackFxn

MCASP_TxCallbackFxn MCASP_OpenParams::txCallbackFxn

Read callback function pointer

◆ rxCallbackFxn

MCASP_RxCallbackFxn MCASP_OpenParams::rxCallbackFxn

Write callback function pointer

◆ txLoopjobEnable

uint32_t MCASP_OpenParams::txLoopjobEnable

Flag to enable loopjob for transmit

◆ txLoopjobBuf

uint8_t* MCASP_OpenParams::txLoopjobBuf

Loopjob buffer address for transmit

◆ txLoopjobBufLength

uint32_t MCASP_OpenParams::txLoopjobBufLength

Loopjob buffer length for transmit

◆ rxLoopjobEnable

uint32_t MCASP_OpenParams::rxLoopjobEnable

Flag to enable loopjob for receive

◆ rxLoopjobBuf

uint8_t* MCASP_OpenParams::rxLoopjobBuf

Loopjob buffer address for receive

◆ rxLoopjobBufLength

uint32_t MCASP_OpenParams::rxLoopjobBufLength

Loopjob buffer length for receive