Data Unit Functions

SmartIO Data Unit (DU) functions. More...

Functions
cy_en_smartio_dutr_t	Cy_SmartIO_GetDuTr (SMARTIO_PRT_Type *base, cy_en_smartio_trnum_t trNum)
	Gets the data unit input trigger source. More...
cy_en_smartio_status_t	Cy_SmartIO_SetDuTr (SMARTIO_PRT_Type *base, cy_en_smartio_trnum_t trNum, cy_en_smartio_dutr_t trSrc)
	Sets the data unit input trigger source. More...
cy_en_smartio_status_t	Cy_SmartIO_SetDuTrAll (SMARTIO_PRT_Type *base, cy_en_smartio_dutr_t trSrc)
	Sets all the data unit input trigger sources. More...
__STATIC_INLINE cy_en_smartio_dudata_t	Cy_SmartIO_GetDuData (SMARTIO_PRT_Type *base, cy_en_smartio_datanum_t dataNum)
	Gets the data unit's input "data" source. More...
cy_en_smartio_status_t	Cy_SmartIO_SetDuData (SMARTIO_PRT_Type *base, cy_en_smartio_datanum_t dataNum, cy_en_smartio_dudata_t dataSrc)
	Sets the data unit's input "data" source. More...
__STATIC_INLINE cy_en_smartio_duopc_t	Cy_SmartIO_GetDuOpc (SMARTIO_PRT_Type *base)
	Gets the data unit's opcode. More...
__STATIC_INLINE cy_en_smartio_dusize_t	Cy_SmartIO_GetDuSize (SMARTIO_PRT_Type *base)
	Gets the data unit's opcode operand bit-width. More...
cy_en_smartio_status_t	Cy_SmartIO_SetDuOperation (SMARTIO_PRT_Type *base, cy_en_smartio_duopc_t opcode, cy_en_smartio_dusize_t size)
	Sets the data unit's opcode and operand bit-width. More...
__STATIC_INLINE uint8_t	Cy_SmartIO_GetDataReg (SMARTIO_PRT_Type *base)
	Gets the data unit's DATA register value. More...
cy_en_smartio_status_t	Cy_SmartIO_SetDataReg (SMARTIO_PRT_Type *base, uint8_t dataReg)
	Sets the data unit's DATA register value. More...

Detailed Description

SmartIO Data Unit (DU) functions.

Function Documentation

Cy_SmartIO_GetDuTr()

cy_en_smartio_dutr_t Cy_SmartIO_GetDuTr	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_trnum_t	trNum
	)

Gets the data unit input trigger source.

Parameters

base	Pointer to the Smart I/O base address
trNum	Input trigger number

Returns

Data unit input trigger source

Function Usage

    /* Refer to the Cy_SmartIO_SetDuTr function usage example */

Cy_SmartIO_SetDuTr()

cy_en_smartio_status_t Cy_SmartIO_SetDuTr	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_trnum_t	trNum,
		cy_en_smartio_dutr_t	trSrc
	)

Sets the data unit input trigger source.

Parameters

base	Pointer to the Smart I/O base address
trNum	Input trigger number
trSrc	Input trigger source

Returns

Status of the operation

Note

The Smart I/O block must be disabled before calling this function.

Function Usage

    /* Scenario: Smart I/O block 1 DU TR1 needs to be updated to be sourced
       from LUT1 output */

    cy_en_smartio_dutr_t duTr;
    duTr = Cy_SmartIO_GetDuTr(PRGIO_PORT_NUMBER, CY_SMARTIO_TR1);

    if(duTr != CY_SMARTIO_DUTR_LUT1_OUT)
    {
        Cy_SmartIO_Disable(PRGIO_PORT_NUMBER);
        Cy_SmartIO_SetDuTr(PRGIO_PORT_NUMBER, CY_SMARTIO_TR1, CY_SMARTIO_DUTR_LUT1_OUT);
        Cy_SmartIO_Enable(PRGIO_PORT_NUMBER);
    }

Cy_SmartIO_SetDuTrAll()

cy_en_smartio_status_t Cy_SmartIO_SetDuTrAll	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_dutr_t	trSrc
	)

Sets all the data unit input trigger sources.

Parameters

base	Pointer to the Smart I/O base address
trSrc	Input trigger source

Returns

Status of the operation

Note

The Smart I/O block must be disabled before calling this function.

Function Usage

    /* Scenario: Smart I/O block 1 DU TR0, TR1 and TR2 need to be updated to be
       sourced from LUT1 output */

    Cy_SmartIO_Disable(PRGIO_PORT_NUMBER);
    Cy_SmartIO_SetDuTrAll(PRGIO_PORT_NUMBER, CY_SMARTIO_DUTR_LUT1_OUT);
    Cy_SmartIO_Enable(PRGIO_PORT_NUMBER);

Cy_SmartIO_GetDuData()

__STATIC_INLINE cy_en_smartio_dudata_t Cy_SmartIO_GetDuData	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_datanum_t	dataNum
	)

Gets the data unit's input "data" source.

Parameters

base	Pointer to the Smart I/O base address
dataNum	Input data number

Returns

Data unit input trigger source

Function Usage

    /* Refer to the Cy_SmartIO_SetDuData function usage example */

Cy_SmartIO_SetDuData()

cy_en_smartio_status_t Cy_SmartIO_SetDuData	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_datanum_t	dataNum,
		cy_en_smartio_dudata_t	dataSrc
	)

Sets the data unit's input "data" source.

Parameters

base	Pointer to the Smart I/O base address
dataNum	Input data number
dataSrc	Data unit input trigger source

Returns

Status of the operation

Note

The Smart I/O block must be disabled before calling this function.

Function Usage

    /* Scenario: Smart I/O block 1 DU DATA0 needs to be sourced by the values
       stored in DU DATAREG */

    cy_en_smartio_dudata_t duSrc;
    duSrc = Cy_SmartIO_GetDuData(PRGIO_PORT_NUMBER, CY_SMARTIO_DATA0);

    if(duSrc != CY_SMARTIO_DUDATA_DATAREG)
    {
        Cy_SmartIO_Disable(PRGIO_PORT_NUMBER);
        Cy_SmartIO_SetDuData(PRGIO_PORT_NUMBER, CY_SMARTIO_DATA0, CY_SMARTIO_DUDATA_DATAREG);
        Cy_SmartIO_Enable(PRGIO_PORT_NUMBER);
    }

Cy_SmartIO_GetDuOpc()

__STATIC_INLINE cy_en_smartio_duopc_t Cy_SmartIO_GetDuOpc

(

SMARTIO_PRT_Type *

base

)

Gets the data unit's opcode.

Parameters

base	Pointer to the Smart I/O base address

Returns

Data unit opcode

Function Usage

    /* Refer to the Cy_SmartIO_SetDuOperation function usage example */

Cy_SmartIO_GetDuSize()

__STATIC_INLINE cy_en_smartio_dusize_t Cy_SmartIO_GetDuSize

(

SMARTIO_PRT_Type *

base

)

Gets the data unit's opcode operand bit-width.

Parameters

base	Pointer to the Smart I/O base address

Returns

Data unit operand bit-width

Function Usage

    /* Refer to the Cy_SmartIO_SetDuOperation function usage example */

Cy_SmartIO_SetDuOperation()

cy_en_smartio_status_t Cy_SmartIO_SetDuOperation	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_duopc_t	opcode,
		cy_en_smartio_dusize_t	size
	)

Sets the data unit's opcode and operand bit-width.

Parameters

base	Pointer to the Smart I/O base address
opcode	Data Unit opcode
size	Data unit operand bit-width

Returns

Status of the operation

Note

The Smart I/O block must be disabled before calling this function.

Function Usage

    /* Scenario: Smart I/O block 1 DU opcode needs to be updated to 8-bit wrapping
       increment and decrement counter mode. */

    cy_en_smartio_duopc_t opcode;
    cy_en_smartio_dusize_t size;
    opcode = Cy_SmartIO_GetDuOpc(PRGIO_PORT_NUMBER);
    size = Cy_SmartIO_GetDuSize(PRGIO_PORT_NUMBER);

    if((opcode != CY_SMARTIO_DUOPC_INCR_WRAP) && (size != CY_SMARTIO_DUSIZE_8))
    {
        Cy_SmartIO_Disable(PRGIO_PORT_NUMBER);
        Cy_SmartIO_SetDuOperation(PRGIO_PORT_NUMBER, CY_SMARTIO_DUOPC_INCR_WRAP, CY_SMARTIO_DUSIZE_8);
        Cy_SmartIO_Enable(PRGIO_PORT_NUMBER);
    }

Cy_SmartIO_GetDataReg()

__STATIC_INLINE uint8_t Cy_SmartIO_GetDataReg

(

SMARTIO_PRT_Type *

base

)

Gets the data unit's DATA register value.

Parameters

base	Pointer to the Smart I/O base address

Returns

DATA register value

Function Usage

    /* Refer to the Cy_SmartIO_SetDataReg function usage example */

Cy_SmartIO_SetDataReg()

cy_en_smartio_status_t Cy_SmartIO_SetDataReg	(	SMARTIO_PRT_Type *	base,
		uint8_t	dataReg
	)

Sets the data unit's DATA register value.

Parameters

base	Pointer to the Smart I/O base address
dataReg	DATA register value

Returns

Status of the operation

Note

The Smart I/O block must be disabled before calling this function.

Function Usage

    /* Scenario: Smart I/O block 1 DU DATAREG needs to be updated to 0xFF */

    uint8_t dataReg;
    dataReg = Cy_SmartIO_GetDataReg(PRGIO_PORT_NUMBER);

    if(dataReg != 0xFFu)
    {
        Cy_SmartIO_Disable(PRGIO_PORT_NUMBER);
        Cy_SmartIO_SetDataReg(PRGIO_PORT_NUMBER, 0xFFu);
        Cy_SmartIO_Enable(PRGIO_PORT_NUMBER);
    }