emc_signal.c

关于嵌入式PCB板UI的程序

/*******************************************************************************
File name		: emc_signal.c
Description	: no signal check & warning dialog display
Revision    	: 1.0

COPYRIGHT (C) EMC-HUST-JRC 2005.

Date         	Label   	Auther 		Comment
----		----    	------		---------------------
01-03-2006			Allen Wu		Created
*********************************************************************************/

/* Includes --------------------------------------------------------------- */
#include "stvid.h"
#include "vid.h"
//#include "stosd.h"
//#include "hl_stosd.h"
#include "gui.h"
#include "osdwrap.h"

#include "sr_tuner.h"
//#include "OsdRegionInit.h"
#include "emc_font.h"
#include "emc_menustate.h"
#include "emc_signal.h"

#include "pics/data_bitmap_info.h"
#include "pics/data_struct_info.h"

/* Private Typedef ----------------------------------------------------------------*/
#define MIN_SIGNAL_STRENGTH 	1
#define MIN_SIGNAL_QUALITY		1/*Modified from 20 to 1,by Allen,02-19-2006*/

//extern STVID_ViewPortHandle_t  VID_ViewPortHandle;
extern dvb_state_e currMenuState;

BOOL bNoSignalLogoShow = FALSE;

static void drawNoSignalInfo(void)
{	
	int WIDTH = 210;
	int HEIGHT = 60;
	//sttbx_Print("\n----drawNoSignalInfo\n");
	
	STVID_DisableOutputWindow(VID_ViewPortHandle); //FF05 the  signal min strength seems a little high
	
	if(currMenuState== DVB_DISPLAY)
	{
		EMC_HideAllRegions();
		STOSD_FillRectangle(Handle_ProviewWindow, 0,0,ProviewWindowParams.Width,ProviewWindowParams.Height, backgroundColor);
		STOSD_FillRectangle(Handle_ProviewWindow,
			(ProviewWindowParams.Width-WIDTH)/2,(ProviewWindowParams.Height-HEIGHT)/2,
			WIDTH,HEIGHT,
			lightbluecolor);
		STOSD_FillRectangle(Handle_ProviewWindow, 
			(ProviewWindowParams.Width-WIDTH)/2+2,(ProviewWindowParams.Height-HEIGHT)/2+2,
			WIDTH-2*2,HEIGHT-2*2, 
			dialogcolor);
		HL_STOSD_DrawBMP(Handle_ProviewWindow, 
			(ProviewWindowParams.Width-WIDTH)/2+2+8, 
			(ProviewWindowParams.Height-HEIGHT)/2+2+(HEIGHT-2*2-Bitmap_Struct_Info.Height)/2+1, 
			Bitmap_Struct_Info);
		EMC_DrawTextRectangle(Handle_ProviewWindow, 
				(ProviewWindowParams.Width-WIDTH)/2+2+55, (ProviewWindowParams.Height-HEIGHT)/2+2+(HEIGHT-2*2-24)/2,120, 24, 
				"NO SIGNAL", JLEFT,FONT_MYENGFONT,FALSE,
				whitecolor, dialogcolor, dialogcolor);
		EMC_ShowRegion();
	}
}

static void clearNoSignalInfo(void)
{	
	sttbx_Print("\n----clearNoSignalInfo\n");
	#if 1/*modified by Allen,01-03-2005*/
	STVID_EnableOutputWindow(VID_ViewPortHandle);
	#endif
	if(currMenuState == DVB_DISPLAY)
		EMC_HideAllRegions();
}

void NoSignalCheck(void)
{
	U32 SignalQuality,SignalStrength;

	SRTNR_GetSignalInfo(TNR_DEFAULT_ID,&SignalQuality, &SignalStrength);
	//sttbx_Print("---SignalQuality = %d,SignalStrength = %d\n",SignalQuality,SignalStrength);
	//sttbx_Print("---bNoSignalLogoShow = %d\n",bNoSignalLogoShow?1:0);
#if 0/*commented by Allen,02-19-2006*/
	//{{FF03 ,test for another time when found no signal
	if(SignalStrength<=MIN_SIGNAL_STRENGTH || SignalQuality<=MIN_SIGNAL_QUALITY)
	{
		task_delay(ST_GetClocksPerSecond());
		SRTNR_GetSignalInfo(TNR_DEFAULT_ID,&SignalQuality, &SignalStrength);
	}
	//}}FF03 end

	SRTNR_GetSignalInfo(TNR_DEFAULT_ID,&SignalQuality, &SignalStrength);
#endif	
	if(/*SignalStrength<=MIN_SIGNAL_STRENGTH || */SignalQuality<=MIN_SIGNAL_QUALITY)
	{
		if(bNoSignalLogoShow == FALSE)
		{	/*from signal to no_signal*/
			if(currMenuState == DVB_DISPLAY)
			{
				/*draw NO_SINGAL Logo*/
				drawNoSignalInfo();
				bNoSignalLogoShow = TRUE;
			}
			else
			{
				drawNoSignalInfo();	/*FF03 comment out*/
			}
		}
	}
	else if(/*SignalStrength>MIN_SIGNAL_STRENGTH && */SignalQuality>MIN_SIGNAL_QUALITY)
	{
		if(bNoSignalLogoShow == TRUE)
		{	/*from no_signal to signal*/
			if(currMenuState == DVB_DISPLAY)
			{
				/*clear NO_SINGAL Logo*/
				clearNoSignalInfo();
			}
			bNoSignalLogoShow = FALSE;
		}
	}
}
/*--------------------------------------EOF---------------------------------------*/