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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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