t100osd.c

Terawins的芯片T112的源程序

#include <reg51.h>
#include "common.h"
#include "System.h"
#include "OSDDraw.h"
#include "TwoWire.h"
#include "TW10xReg.h"
#include "T100OSD.h"

#ifdef NEW_OSD
#include "T100A_Font12W16H.c"
#else
#include "T100A_Font12W18H.c"
#endif


#define LOGO_ON

#ifdef LOGO_ON
#define OSDBMP_2BIT_PIXEL	0xf8
#define OSDBMP_4BIT_PIXEL	0xb8
#define OSDBMP_TYPE OSDBMP_2BIT_PIXEL
#define	BMP_HPOS (1024-320)/2
#define	BMP_VPOS (768-76)/2

//#include "logodata.c"
//#include "logo1025.c"
#include "T100A_Logo.c"


//bit OSD_PowerOnLogo_On = 1;

// define OSD Logo BMP LUT color data
code unsigned char OSDLutLogoData[32]={
	0x33,0x03,  //Black             f=0 ,   b=0  0x12, 03
  	0xaa,0x02,  //Light Blue        f=2 ,   b=1
	0x18,0x01,  //Dark  Blue        f=8 ,   b=4
	0x1f,0x01,  //Dark  Blue        f=8 ,   b=4
  	0xff,0x0f,  //White        		f=3
  	0xf6,0x0f,  //Dark Brown        f=4 ,   b=2
  	0x08,0x08,  //Purple            f=5
  	0xa8,0x07,  //Light Green       f=6 ,   b=3
  	0x86,0x0f,  //Dark  Red         f=7
  	0x54,0x0f,  //Dark  Red         f=7
  	0x54,0x0f,  //Dark  Red         f=7
  	0x0f,0x0f,
  	0xb9,0x00,  //purple                                                                                                                                          6
  	0x44,0x04,
  	0x88,0x08,  //grey
  	0xff,0x0f   //white
};

#endif //LOGO_ON

void OSDLogo(void)
{
#ifdef LOGO_ON
	unsigned int i;
	OSDSetRamAddr(FONT_DATA_START_ADDRESS);
	I2CWriteByte(TW101,OSD_CFG_INDEX,OSD_LUT_RAM_DATA);
  	for(i=0;i<32;i++)
  		I2CWriteByte(TW101,OSD_CFG_DATA,OSDLutLogoData[i]);

	OSDCfgWr(BW_W,0x28);            	//width 40(x8)
	OSDCfgWr(BW_H,58);  //58         	//height 64
	OSDCfgWr(BD_ENLARGE,0x00);           //

	twdWr_Burst_A(OSD_RAM_DL);
    //for(i=0;i<80*76;i++){
	for(i=0;i<80*58;i++)
   		twdWr_Burst_D(logodata[i]);
	twdWr_Burst_P();

	OSDCfgWr(OSD_CTRL,0xf8);           //2 bits pixel BitMap
	twdDelay(2000);
	//OSDDisable();
#endif
}


void OSDInit(void)
{
	unsigned int i;

	OSDCfgWr(OSD_CTRL,0x18);           //disable osd and width*1
	/* OSD Position */
#if 0
	i=((EepPublic.cOSDVPos&0xe0)>>1)|((EepPublic.cOSDHPos&0xe0)>>5);
  	OSDCfgWr(CHAR_DLY_0,(uCHAR)i);
	i=EepPublic.cOSDHPos<<3;
	OSDCfgWr(CHAR_DLY_1,(uCHAR)i);
	i=EepPublic.cOSDVPos<<3;
#endif

	OSDSetRamAddr(FONT_DATA_START_ADDRESS);
	OSDCfgWr(CHAR_FONT_SIZE,FONT_SIZE);
	OSDCfgWr(CHAR_RAM_BASE_A,CHAR_MAIN_MENU_START);    //To setup character index start address.
                                                    //If start address is 0x9c0,
                                                    //You have get ((0x9c0 >> 5) & 0x7f) to store it
	OSDCfgWr(CHAR_RAM_END_A,CHAR_RAM_END);           //This is to set index end address.

  	OSDCfgWr(CHAR_BS_CTRL,0x40);
	OSDCfgWr(CHAR_BS_COLOR,0x00);
  	OSDCfgWr(CHAR_HEIGHT_CTRL,0x20);
	//OSDCfgWr(CHAR_HEIGHT_CTRL,0x40);  //For malata only
  	OSDCfgWr(BLINK_CTRL,0x01);
   	//OSDCfgWr(ALPHA_BLD_CTRL,0x80);          /* Alpha blending is disable */
    	OSDCfgWr(ALPHA_BLD_CTRL,0x87);       //0x86   // Alpha blending is disable; for malata only

	OSDLoadColor();
	//OSDSetRamAddr(FONT_DATA_START_ADDRESS);
#if 0
// set TW to fast mode
#ifdef TW100K
	I2CWriteByte(TW702_WR_ADDR,TW_INTERFACE,0x04);
#else
   	I2CWriteByte(TW702_WR_ADDR,TW_INTERFACE,0x05);
#endif
#endif

	twdWr_Burst_A(OSD_RAM_DL);
	//Below is re-writted
	for(i=0; i<128*FONT_HEIGHT; i++){
		twdWr_Burst_D(font_00[2*i]);
		twdWr_Burst_D(font_00[2*i+1]);
	}

  	//0xc00==1024*3;
	for(; i<0xc00; i++){
		twdWr_Burst_D(0x00);
		twdWr_Burst_D(0x00);
	}
 	twdWr_Burst_P();

	for(i=0;i<15;i++){
  		OSDCleanLine(0,i,0,31);
     	OSDSetLineAttribute(i,0x80);
	}
//#endif
}

void OSDShowLine(uCHAR *string,uCHAR x,uCHAR y,uCHAR cColor,uCHAR cLength)
{
	if((x < 30) && ( y < 0x13)){
		OSDSetRamAddr(MENU_RAM_START_ADDRESS+((int)y << 5)+x);
     	twdWr_Burst_A(OSD_RAM_DL);      // Write OSD index
     	while((*string) != EOL && (x < cLength)){
     		twdWr_Burst_D(*string++);
        	twdWr_Burst_D(cColor );
			//twdWr_Burst_D(0xc0);
        	x++;
  		}
   		twdWr_Burst_P();
	}
}