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| 3.5寸和4.3寸雅视液晶屏是性价比不错的TFT,目前主要在GPS产品中被广泛采用.以下是3.5调试参数,产品供应和技术咨询请联系:13510611284.<br />http://www.crest-cn.com<br /><br /> // modify for Yassy 3.5inch panel. <br /><br />#define DCLK_FREQ            6400Khz<br />#define H_BACKPORCH        38<br />#define H_FRONTPORCH    50<br />#define H_TOTALCYCLE    408<br />#define H_DISPLAYLINE 320<br />#define V_BACKPORCH        18<br />#define V_FRONTPORCH    4<br />#define V_TOTALCYCLE    262<br />#define V_DISPLAYLINE 240<br /><br /><br /><br />void LCD_Reg_Set( unsigned int flag, unsigned int data)<br />{<br />    unsigned int i;<br />    <br />  if(flag)        // 1 for register set<br />      data=data&0x7F;<br />    <br />    LCDCSLow();        //<br />    DbgDelay(10);<br />    //<br />    for(i=0; i<8; i--)<br />    {<br />        LCDClockLow();        <br />        DbgDelay(4);<br />                <br />        if( (data&(1<<(7-i))) !=0 ) <br />            LCDDataHigh();<br />        else <br />            LCDDataLow();<br />        DbgDelay(4);<br />        <br />        LCDClockHigh();<br />        DbgDelay(4);<br />    }<br />    LCDDataLow();<br />    LCDClockLow();<br />    DbgDelay(4);<br />    <br />    LCDCSHigh();    //<br />    DbgDelay(10);<br />}<br /><br /><br /><br />void LCD_Reg_Set2( unsigned int reg, unsigned int data)<br />{<br />    <br />    LCD_Reg_Set(1, reg);<br />    LCD_Reg_Set(0, data);        //0 for data<br />    DbgDelay(100);<br />}<br /><br />void Lcd_SPI_Init(void)<br />{<br />     LCD_Reg_Set2(0x06, 0x6F);//insel register.<br />     LCD_Reg_Set2(0x0A, 0x59);    //rgb mode set<br /><br />/*<br />     LCD_Reg_Set2(0x02, 0x36);<br />     LCD_Reg_Set2(0x02, 0x09);<br />     LCD_Reg_Set2(0x04, 0x01);<br />     LCD_Reg_Set2(0x05, 0x22);<br />     LCD_Reg_Set2(0x06, 0x6F);//insel register.<br />     LCD_Reg_Set2(0x07, 0xFF);<br />     LCD_Reg_Set2(0x08, 0x11);<br />     LCD_Reg_Set2(0x09, 0x80);<br />     LCD_Reg_Set2(0x0A, 0x59);    //rgb mode set<br />     LCD_Reg_Set2(0x0B, 0x05);<br />     LCD_Reg_Set2(0x0C, 0x44);<br />     LCD_Reg_Set2(0x0D, 0x02);<br />     LCD_Reg_Set2(0x0E, 0x08); //contrast<br />     LCD_Reg_Set2(0x0F, 0x80);    //brightness<br />     LCD_Reg_Set2(0x30, 0x09);<br />     <br />     */<br /><br /><br />}     | 
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