function_prototype.c File Reference

Overview

MODIFICATION HISTORY:

Ver   Who    Date     Changes



X.XX  XX     YY/MM/DD
1.00  RHe    19/09/20 Initial release.

Functions
u32	SetupDSI (void)
	This function programs MIPI DSI SS with the required timing paramters. More...
u32	InitializeDemosaic (void)
	This function programs Demosaic with the required timing paramters. More...
u32	InitializeCsiRxSs (void)
	This function programs MIPI CSI SS with the required timing paramters. More...
void	EnableCSI (void)
void	DisableCSI (void)
void	DisableDSI (void)
int	InitIIC ()
	This function writes, reads, and verifies the data to the IIC EEPROM. More...
void	SendHandler (XIic *InstancePtr)
	This Send handler is called asynchronously from an interrupt context and indicates that data in the specified buffer has been sent. More...
void	ReceiveHandler (XIic *InstancePtr)
	This Receive handler is called asynchronously from an interrupt context and indicates that data in the specified buffer has been Received. More...
void	StatusHandler (XIic *InstancePtr, int Event)
	This Status handler is called asynchronously from an interrupt context and indicates the events that have occurred. More...
int	MuxInit (void)
	This function initializes the IIC MUX to select EEPROM. More...
int	FmcWriteData (u16 ByteCount)
	This function writes a buffer of data to the FMC IIC. More...
int	FmcReadData (u8 *BufferPtr, u16 ByteCount)
	This function reads data from the FMC IIC into a specified buffer. More...
int	AdapterWriteData (u16 ByteCount)
	This function writes a buffer of data to the Adapter IIC. More...
int	AdapterReadData (u8 *BufferPtr, u16 ByteCount)
	This function reads data from the Adapter IIC into a specified buffer. More...
void	ResetVDMA ()
	This function ResetVDMA. More...
void	ConfigureChannel (u32 VdmaChannel)
	This function to setup Horizontal size and stride. More...
void	SetupVdmaCR (s32 VdmaChannel, s32 FrameCount)
	This function to setup the VDMA Control Register. More...
void	StartChannel (s32 VdmaChannel, s32 VerticalSize)
	This function to start mm2s or s2mm VdmaChannel - write the vertical size. More...

Function Documentation

int AdapterReadData	(	u8 *	BufferPtr,
		u16	ByteCount
	)

This function reads data from the Adapter IIC into a specified buffer.

Parameters

BufferPtr	contains the address of the data buffer to be filled.
ByteCount	contains the number of bytes in the buffer to be read.

Returns

XST_SUCCESS if successful else XST_FAILURE.

Note

None.

References AdapterWriteData().

int AdapterWriteData

(

u16

ByteCount

)

This function writes a buffer of data to the Adapter IIC.

Parameters

ByteCount

contains the number of bytes in the buffer to be written.

Returns

XST_SUCCESS if successful else XST_FAILURE.

Note

The Byte count should not exceed the page size of the EEPROM as noted by the constant PAGE_SIZE.

Referenced by AdapterReadData().

void ConfigureChannel

(

u32

VdmaChannel

)

This function to setup Horizontal size and stride.

Parameters

VdmaChannel

specifes VdmaChannel is MM2S or S2MM

Returns

None

Note

None.

void DisableCSI

(

void

)

• This function disables MIPI CSI IP

  • • Returns

      None.

      Note

      None.

void DisableDSI

(

void

)

• This function disables MIPI DSI SS.

  • • Returns

      None.

      Note

      None.

void EnableCSI

(

void

)

• This function enables MIPI CSI IP

  • • Returns

      None.

      Note

      None.

Referenced by main().

int FmcReadData	(	u8 *	BufferPtr,
		u16	ByteCount
	)

This function reads data from the FMC IIC into a specified buffer.

Parameters

BufferPtr	contains the address of the data buffer to be filled.
ByteCount	contains the number of bytes in the buffer to be read.

Returns

XST_SUCCESS if successful else XST_FAILURE.

Note

None.

References FmcWriteData().

int FmcWriteData

(

u16

ByteCount

)

This function writes a buffer of data to the FMC IIC.

Parameters

ByteCount

contains the number of bytes in the buffer to be written.

Returns

XST_SUCCESS if successful else XST_FAILURE.

Note

The Byte count should not exceed the page size of the EEPROM as noted by the constant PAGE_SIZE.

Referenced by FmcReadData(), and MuxInit().

u32 InitializeCsiRxSs

(

void

)

This function programs MIPI CSI SS with the required timing paramters.

Returns

None.

Note

None.

Referenced by main().

u32 InitializeDemosaic

(

void

)

This function programs Demosaic with the required timing paramters.

Returns

None.

Note

None.

References XCsiSs_Config::BaseAddr.

int InitIIC

(

)

This function writes, reads, and verifies the data to the IIC EEPROM.

It does the write as a single page write, performs a buffered read.

Parameters

None.

Returns

XST_SUCCESS if successful else XST_FAILURE.

Note

None.

Referenced by main().

int MuxInit

(

void

)

This function initializes the IIC MUX to select EEPROM.

Parameters

None.

Returns

XST_SUCCESS if pass, otherwise XST_FAILURE.

Note

None.

References FmcWriteData().

void ReceiveHandler

(

XIic *

InstancePtr

)

This Receive handler is called asynchronously from an interrupt context and indicates that data in the specified buffer has been Received.

Parameters

InstancePtr

is not used, but contains a pointer to the IIC device driver instance which the handler is being called for.

Returns

None.

Note

None.

Referenced by SetupIICIntrHandlers().

void ResetVDMA

(

)

This function ResetVDMA.

Parameters

None

Returns

None

Note

None.

void SendHandler

(

XIic *

InstancePtr

)

This Send handler is called asynchronously from an interrupt context and indicates that data in the specified buffer has been sent.

Parameters

InstancePtr

is not used, but contains a pointer to the IIC device driver instance which the handler is being called for.

Returns

None.

Note

None.

Referenced by SetupIICIntrHandlers().

u32 SetupDSI

(

void

)

This function programs MIPI DSI SS with the required timing paramters.

Returns

None.

Note

None.

Referenced by main().

void SetupVdmaCR	(	s32	VdmaChannel,
		s32	FrameCount
	)

This function to setup the VDMA Control Register.

Parameters

VdmaChannel	specifes VdmaChannel is MM2S or S2MM
FrameCount	specifies number of frames to transfer

Returns

None

Note

None.

void StartChannel	(	s32	VdmaChannel,
		s32	VerticalSize
	)

This function to start mm2s or s2mm VdmaChannel - write the vertical size.

Parameters

VdmaChannel	specifes VdmaChannel is MM2S or S2MM
VerticalSize	specifes No of lines

Returns

None

Note

None.

void StatusHandler	(	XIic *	InstancePtr,
		int	Event
	)

This Status handler is called asynchronously from an interrupt context and indicates the events that have occurred.

Parameters

InstancePtr	is a pointer to the IIC driver instance for which the handler is being called for.
Event	indicates the condition that has occurred.

Returns

None.

Note

None.

Referenced by SetupIICIntrHandlers().