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.
http://www.crest-cn.com
// modify for Yassy 3.5inch panel.
#define DCLK_FREQ 6400Khz
#define H_BACKPORCH 38
#define H_FRONTPORCH 50
#define H_TOTALCYCLE 408
#define H_DISPLAYLINE 320
#define V_BACKPORCH 18
#define V_FRONTPORCH 4
#define V_TOTALCYCLE 262
#define V_DISPLAYLINE 240
void LCD_Reg_Set( unsigned int flag, unsigned int data)
{
unsigned int i;
if(flag) // 1 for register set
data=data&0x7F;
LCDCSLow(); //
DbgDelay(10);
//
for(i=0; i<8; i--)
{
LCDClockLow();
DbgDelay(4);
if( (data&(1<<(7-i))) !=0 )
LCDDataHigh();
else
LCDDataLow();
DbgDelay(4);
LCDClockHigh();
DbgDelay(4);
}
LCDDataLow();
LCDClockLow();
DbgDelay(4);
LCDCSHigh(); //
DbgDelay(10);
}
void LCD_Reg_Set2( unsigned int reg, unsigned int data)
{
LCD_Reg_Set(1, reg);
LCD_Reg_Set(0, data); //0 for data
DbgDelay(100);
}
void Lcd_SPI_Init(void)
{
LCD_Reg_Set2(0x06, 0x6F);//insel register.
LCD_Reg_Set2(0x0A, 0x59); //rgb mode set
/*
LCD_Reg_Set2(0x02, 0x36);
LCD_Reg_Set2(0x02, 0x09);
LCD_Reg_Set2(0x04, 0x01);
LCD_Reg_Set2(0x05, 0x22);
LCD_Reg_Set2(0x06, 0x6F);//insel register.
LCD_Reg_Set2(0x07, 0xFF);
LCD_Reg_Set2(0x08, 0x11);
LCD_Reg_Set2(0x09, 0x80);
LCD_Reg_Set2(0x0A, 0x59); //rgb mode set
LCD_Reg_Set2(0x0B, 0x05);
LCD_Reg_Set2(0x0C, 0x44);
LCD_Reg_Set2(0x0D, 0x02);
LCD_Reg_Set2(0x0E, 0x08); //contrast
LCD_Reg_Set2(0x0F, 0x80); //brightness
LCD_Reg_Set2(0x30, 0x09);
*/
} |
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