xsdi_example.c File Reference

Overview

This file demonstrates how to use Xilinx SDI Rx Subsystem for standalone.

MODIFICATION HISTORY:

Ver   Who    Date     Changes



1.00  ssh    07/05/18 Initial release.

Macros
#define	I2C_MUX_ADDR   0x74
	I2C Mux Address. More...
#define	I2C_CLK_ADDR   0x69
	I2C Clk Address. More...
#define	I2C_CLK_ADDR_570   0x5D
	I2C Clk Address for Si570. More...

Functions
void	ClearScreen (void)
	This function Clears Uart terminal screen. More...
void	RxStreamUpCallback (void *CallbackRef)
	This function is called when the RX Lock occurs, it calculates the frequency wrt RxTransMode, programs SI570 with the calculated frequency and then enables Rx stream flow IPs. More...
void	RxStreamDownCallback (void *CallbackRef)
	This function is called when the RX loses lock, and it stops SDI Tx Subsystem. More...
void	StartTxAfterRx (void)
	This function is called to start the TX stream after the RX stream was up and running. More...
int	Si570_SetClock (u32 IICBaseAddress, u8 IICAddress1, u32 RxRefClk)
	Set the output frequency of the Si570 clock generator. More...
void	Info (void)
	This function outputs the video information on TX and RX. More...
void	DebugInfo (void)
	This function outputs the debug information. More...
int	main (void)
	Main function to call example with SDI TX and SDI RX drivers. More...

Variables
XSdi_Menu	SdiMenu
	Menu structure. More...

Macro Definition Documentation

#define I2C_CLK_ADDR   0x69

I2C Clk Address.

#define I2C_CLK_ADDR_570   0x5D

I2C Clk Address for Si570.

Referenced by main(), and RxStreamUpCallback().

#define I2C_MUX_ADDR   0x74

I2C Mux Address.

Function Documentation

void ClearScreen

(

void

)

This function Clears Uart terminal screen.

Returns

None

Note

None.

< Clear Sreen

< Bring Cursor to 0,0

Referenced by main().

void DebugInfo

(

void

)

This function outputs the debug information.

Returns

None.

Note

None.

References XV_SdiTxSs_ReportDebugInfo().

void Info

(

void

)

This function outputs the video information on TX and RX.

Returns

None.

Note

None.

References XV_SdiTxSs_ReportInfo().

int main

(

void

)

Main function to call example with SDI TX and SDI RX drivers.

Returns

• XST_SUCCESS if SDI example was successfully.
• XST_FAILURE if SDI example failed.

Note

None.

References XV_SdiTxSs_Config::BaseAddress, ClearScreen(), XV_SdiTxSs::Config, I2C_CLK_ADDR_570, XV_SdiTxSs::IsReady, RxStreamDownCallback(), RxStreamUpCallback(), Si570_SetClock(), StartTxAfterRx(), XSdi_MenuInitialize(), XSdi_MenuProcess(), XV_SdiTxSs_CfgInitialize(), XV_SDITXSS_HANDLER_GTREADY, XV_SdiTxSs_IntrDisable(), XV_SdiTxSs_IntrEnable(), XV_SdiTxSs_LookupConfig(), XV_SdiTxSS_SdiTxIntrHandler(), XV_SdiTxSs_SetCallback(), and XV_SdiTxSs_SetCoreSettings().

void RxStreamDownCallback

(

void *

CallbackRef

)

This function is called when the RX loses lock, and it stops SDI Tx Subsystem.

Parameters

CallbackRef

is a callback function reference.

Returns

None.

Note

None.

References XV_SdiTxSs_Stop().

Referenced by main().

void RxStreamUpCallback

(

void *

CallbackRef

)

This function is called when the RX Lock occurs, it calculates the frequency wrt RxTransMode, programs SI570 with the calculated frequency and then enables Rx stream flow IPs.

Parameters

CallbackRef

is a callback function reference.

Returns

None.

Note

None.

References I2C_CLK_ADDR_570, and Si570_SetClock().

Referenced by main().

int Si570_SetClock	(	u32	IICBaseAddress,
		u8	IICAddress1,
		u32	RxRefClk
	)

Set the output frequency of the Si570 clock generator.

Parameters

IICBaseAddress	contains the base address of the IIC master device.
IICAddress1	contains the 7 bit IIC address of the Si570 device.
RxRefClk	contains the value to be written in Si570 register for that particular clock frequency.

Returns

SI570_SUCCESS for success

SI570_ERR_IIC for IIC access failure,

SI570_ERR_FREQ when the requested frequency cannot be generated

SI570_ERR_PARM when the ClkSrc or ClkDest parameters are invalid or the ClkInFreq or ClkOutFreq are out of range.

References SI570_DEBUG, and Si570_DoSettings().

Referenced by main(), and RxStreamUpCallback().

void StartTxAfterRx

(

void

)

This function is called to start the TX stream after the RX stream was up and running.

Returns

None.

Note

None.

References XV_SdiTxSs_GetPayloadId(), XV_SdiTxSs_GetTransport(), XV_SdiTxSs_GetVideoStream(), and XV_SdiTxSs_StreamConfig().

Referenced by main().

Variable Documentation

XSdi_Menu SdiMenu

Menu structure.