LUT Functions

General Description

Functions
cy_en_smartio_luttr_t	Cy_SmartIO_GetLutTr (SMARTIO_PRT_Type *base, cy_en_smartio_lutnum_t lutNum, cy_en_smartio_trnum_t trNum)
	Gets the specified LUT input trigger source. More...
cy_en_smartio_status_t	Cy_SmartIO_SetLutTr (SMARTIO_PRT_Type *base, cy_en_smartio_lutnum_t lutNum, cy_en_smartio_trnum_t trNum, cy_en_smartio_luttr_t trSrc)
	Sets the specified LUT input trigger source. More...
cy_en_smartio_status_t	Cy_SmartIO_SetLutTrAll (SMARTIO_PRT_Type *base, cy_en_smartio_lutnum_t lutNum, cy_en_smartio_luttr_t trSrc)
	Sets all LUT input triggers to the same source. More...
__STATIC_INLINE cy_en_smartio_lutopc_t	Cy_SmartIO_GetLutOpcode (SMARTIO_PRT_Type *base, cy_en_smartio_lutnum_t lutNum)
	Gets the opcode of the specified LUT. More...
cy_en_smartio_status_t	Cy_SmartIO_SetLutOpcode (SMARTIO_PRT_Type *base, cy_en_smartio_lutnum_t lutNum, cy_en_smartio_lutopc_t opcode)
	Sets the opcode of the specified LUT. More...
__STATIC_INLINE uint8_t	Cy_SmartIO_GetLutMap (SMARTIO_PRT_Type *base, cy_en_smartio_lutnum_t lutNum)
	Gets the 3:1 truth table of the specified LUT. More...
cy_en_smartio_status_t	Cy_SmartIO_SetLutMap (SMARTIO_PRT_Type *base, cy_en_smartio_lutnum_t lutNum, uint8_t lutMap)
	Sets the 3 bit input to 1 bit output mapping of the specified LUT. More...

Function Documentation

Cy_SmartIO_GetLutTr()

cy_en_smartio_luttr_t Cy_SmartIO_GetLutTr	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_lutnum_t	lutNum,
		cy_en_smartio_trnum_t	trNum
	)

Gets the specified LUT input trigger source.

Parameters

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

Returns

LUT input trigger source

Function Usage

    /* Refer to the Cy_SmartIO_SetLutTr() function usage example */

Cy_SmartIO_SetLutTr()

cy_en_smartio_status_t Cy_SmartIO_SetLutTr	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_lutnum_t	lutNum,
		cy_en_smartio_trnum_t	trNum,
		cy_en_smartio_luttr_t	trSrc
	)

Sets the specified LUT input trigger source.

Parameters

base	Pointer to the Smart I/O base address
lutNum	LUT index number
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

    #define ioss_0_port_8_smartio_0_HW SMARTIO_PRT8
    
    /* Scenario: Smart I/O block 8 LUT1 TR0 needs to change to be sourced
       from I/O 1 */
    
    cy_en_smartio_luttr_t lut1Tr0;
    lut1Tr0 = Cy_SmartIO_GetLutTr(SMARTIO_PRT8, CY_SMARTIO_LUT1, CY_SMARTIO_TR0);
    
    if(lut1Tr0 != CY_SMARTIO_LUTTR_IO1)
    {
        Cy_SmartIO_Disable(SMARTIO_PRT8);
        Cy_SmartIO_SetLutTr(SMARTIO_PRT8, CY_SMARTIO_LUT1, CY_SMARTIO_TR0, CY_SMARTIO_LUTTR_IO1);
        Cy_SmartIO_Enable(SMARTIO_PRT8);
    }
    

Cy_SmartIO_SetLutTrAll()

cy_en_smartio_status_t Cy_SmartIO_SetLutTrAll	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_lutnum_t	lutNum,
		cy_en_smartio_luttr_t	trSrc
	)

Sets all LUT input triggers to the same source.

Parameters

base	Pointer to the Smart I/O base address
lutNum	LUT index 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

    #define ioss_0_port_8_smartio_0_HW SMARTIO_PRT8
    
    /* Scenario: Smart I/O block 8 LUT1 TR0, TR1 and TR2 need to change to be
       sourced from LUT output 2 */
    
    Cy_SmartIO_Disable(SMARTIO_PRT8);
    Cy_SmartIO_SetLutTrAll(SMARTIO_PRT8, CY_SMARTIO_LUT1, CY_SMARTIO_LUTTR_LUT2_OUT);
    Cy_SmartIO_Enable(SMARTIO_PRT8);
    

Cy_SmartIO_GetLutOpcode()

__STATIC_INLINE cy_en_smartio_lutopc_t Cy_SmartIO_GetLutOpcode	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_lutnum_t	lutNum
	)

Gets the opcode of the specified LUT.

Parameters

base	Pointer to the Smart I/O base address
lutNum	LUT index number

Returns

LUT opcode

Function Usage

    /* Refer to the Cy_SmartIO_SetLutOpcode function usage example */

Cy_SmartIO_SetLutOpcode()

cy_en_smartio_status_t Cy_SmartIO_SetLutOpcode	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_lutnum_t	lutNum,
		cy_en_smartio_lutopc_t	opcode
	)

Sets the opcode of the specified LUT.

Parameters

base	Pointer to the Smart I/O base address
lutNum	LUT index number
opcode	LUT opcode

Returns

Status of the operation

Note

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

Function Usage

    #define ioss_0_port_8_smartio_0_HW SMARTIO_PRT8
    
    /* Scenario: Smart I/O block 8 LUT1 op-code needs to be updated to combinatorial mode */
    
    cy_en_smartio_lutopc_t opcode;
    opcode = Cy_SmartIO_GetLutOpcode(SMARTIO_PRT8, CY_SMARTIO_LUT1);
    
    if(opcode != CY_SMARTIO_LUTOPC_COMB)
    {
        Cy_SmartIO_Disable(SMARTIO_PRT8);
        Cy_SmartIO_SetLutOpcode(SMARTIO_PRT8, CY_SMARTIO_LUT1, CY_SMARTIO_LUTOPC_COMB);
        Cy_SmartIO_Enable(SMARTIO_PRT8);
    }
    

Cy_SmartIO_GetLutMap()

__STATIC_INLINE uint8_t Cy_SmartIO_GetLutMap	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_lutnum_t	lutNum
	)

Gets the 3:1 truth table of the specified LUT.

tr2	tr1	tr0	lutNum
0	0	0	bit 0
0	0	1	bit 1
0	1	0	bit 2
0	1	1	bit 3
1	0	0	bit 4
1	0	1	bit 5
1	1	0	bit 6
1	1	1	bit 7

Parameters

base	Pointer to the Smart I/O base address
lutNum	LUT index number

Returns

Bitfield [7:0] mapping of the 3:1 LUT

Function Usage

    /* Refer to the Cy_SmartIO_SetLutMap function usage example */

Cy_SmartIO_SetLutMap()

cy_en_smartio_status_t Cy_SmartIO_SetLutMap	(	SMARTIO_PRT_Type *	base,
		cy_en_smartio_lutnum_t	lutNum,
		uint8_t	lutMap
	)

Sets the 3 bit input to 1 bit output mapping of the specified LUT.

tr2	tr1	tr0	lutMap
0	0	0	bit 0
0	0	1	bit 1
0	1	0	bit 2
0	1	1	bit 3
1	0	0	bit 4
1	0	1	bit 5
1	1	0	bit 6
1	1	1	bit 7

Parameters

base	Pointer to the Smart I/O base address
lutNum	LUT index number
lutMap	Bitfield [7:0] mapping of the 3:1 LUT

Returns

Status of the operation

Note

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

Function Usage

    #define ioss_0_port_8_smartio_0_HW SMARTIO_PRT8
    
    /* Scenario: Smart I/O block 8 LUT1 mapping needs to be updated to produce a
       1 when all TR0, TR1 and TR2 inputs are 0. */
    
    uint8_t lutMap;
    lutMap = Cy_SmartIO_GetLutMap(SMARTIO_PRT8, CY_SMARTIO_LUT1);
    
    if(lutMap != 0x01u)
    {
        Cy_SmartIO_Disable(SMARTIO_PRT8);
        Cy_SmartIO_SetLutMap(SMARTIO_PRT8, CY_SMARTIO_LUT1, 0x01u);
        Cy_SmartIO_Enable(SMARTIO_PRT8);
    }