m35055.c.bak

7寸TFT电视的源程序

#include "target.h"

//if define M35055 means driver for M35055 
//else for M35054
#define M35055

#define BLINKMASK				0x0800

#define SetM3505Cs()		Set_P0_0()
#define ClrM3505Cs()		Clr_P0_0()
#define SetM3505Clk()		Set_P0_1()
#define ClrM3505Clk()		Clr_P0_1()
#define SetM3505Sin()		Set_P0_2()
#define ClrM3505Sin()		Clr_P0_2()

extern bit bCurrentLock;

void M35055Delay()
{
	unsigned char i;
	for(i=0;i<10;i++);
}

void SendWord(unsigned int uiData)
{
	unsigned char i;
	for(i=0;i<16;i++){
		ClrM3505Clk();
		if(uiData&0x01)
			SetM3505Sin();
		else
			ClrM3505Sin();
		M35055Delay();
		SetM3505Clk();
		uiData >>= 1;
	}
}

void SendCommand(unsigned int addr,unsigned int command)
{
	ClrM3505Cs();
	SendWord(addr);
	SendWord(command);
	SetM3505Cs();
}

unsigned char GetCharData(unsigned char ucChar)
{
#ifndef M35055
	ucChar &= 0x7F;
#endif
	if(ucChar>='!'&&ucChar<='Z')
		return ucChar-0x10;
	else if(ucChar>='a'&&ucChar<='z')
		return ucChar-0x10;
	switch(ucChar){
		case ']':
			return 0x4B;
		case '[':
			return 0x4D;
		case 1:
			return 112;
		case 2:
			return 113;
		case 3:
			return 114;
		case 4:
			return 115;
		case ' ':
			return 0xFF;
		default:
			return ucChar;
	}
}

void TVShowChar(unsigned char addr,unsigned char ucchar,unsigned char color,bit bBlink)
{
	unsigned int uitemp;
	ClrM3505Cs();
	SendWord((int)addr);

	uitemp = color&0x07;
	uitemp <<= 8;
#ifdef M35055
	uitemp |= GetCharData(ucchar);
#else
	uitemp |= GetCharData(ucchar&0x7F);
#endif
	if(bBlink)
		uitemp |= BLINKMASK;
	SendWord(uitemp);

	SetM3505Cs();
}


void TVShowString(unsigned char addr,unsigned char *str,unsigned char color,bit bBlink)
{
	unsigned int uitemp;
	ClrM3505Cs();
	SendWord(addr);
	while(*str){
		uitemp = color&0x07;
		uitemp <<= 8;
#ifdef M35055
		uitemp |= GetCharData(*str);
#else
		uitemp |= GetCharData(*str&0x7F);
#endif
		if(bBlink)
			uitemp |= BLINKMASK;
		SendWord(uitemp);
		str++;
	}
	SetM3505Cs();
}

/*
void SetOutPort(unsigned char portdata)
{
	unsigned short uitemp = 0x0480|((portdata&3)<<2);
	SendCommand(0xf0,uitemp);
}
*/

#if 0
void SetPosition(unsigned char startx,unsigned char starty)
{
	SendCommand(0xf1,0x1f00|startx);
	SendCommand(0xf2,0x1f00|starty);
}

void SetCharactorSize(unsigned char ucsize)
{
	SendCommand(0xf3,ucsize);
}

void SetLineMode(unsigned int linemode)
{
//	SendCommand(0xf4,linemode|0x700);
	SendCommand(0xf4,linemode);
}

void SetCursor(unsigned char addr,unsigned char attr)
{
	SendCommand(0xf7,addr|(((int)attr)<<8));
}
#endif

void CLearOsdScreen(unsigned char uclock)
{
	if(uclock){
		SendCommand(0xf8,0x3fc2);
		SendCommand(0xf8,0x3f42);
	}
	else{
		SendCommand(0xf8,0x1fc4);
		SendCommand(0xf8,0x1f44);
	}
}

void SetCrystal(unsigned char uclock)
{
	if(uclock)
	{
		SendCommand(0xf8,0x3f42);
		SendCommand(0xf6,0x203c);
	}
	else{
		SendCommand(0xf8,0x1f44);
		SendCommand(0xf6,0x204c);
	}
}

void Init35055()
{
#if 1
	SendCommand(0xf0,0x0483);
	SendCommand(0xf1,0x1f70);
	SendCommand(0xf2,0x1f30);
	SendCommand(0xf3,0x0000);
	SendCommand(0xf4,0x0000);
	SendCommand(0xf5,0x0002);
	SendCommand(0xf6,0x204c);
	SendCommand(0xf7,0x08ff);
	SendCommand(0xf8,0x3f40);
	CLearOsdScreen(bCurrentLock);
#else
//set the start position
	SetPosition(0x70,0x10);
//
	SetCharactorSize(0);
	SendCommand(0xf0,0x0483);
	SendCommand(0xf4,0x0000);
	SendCommand(0xf5,0x0002);
	SendCommand(0xf6,0x204c);
	SendCommand(0xf8,0x3f40);
	SetCursor(0xff,1);
	CLearOsdScreen(bCurrentLock);
//	SetCharactorSize(0x00);
//	SetLineMode(2);
//	TVShowString(48,"0123456789+dB",1,0);
//	TVShowString(24,"c51 keil7.0",3,0);
//	TVShowString(48,"I love this work",6,0);
#endif
	SetCrystal(bCurrentLock);
}