求大神指导9341高8位驱动

热汤000

#include "lcd.h"
#include "delay.h"
//#include "stdlib.h"



u16 POINT_COLOR = Black,BACK_COLOR = White; //背景色：白  画点色：黑      

//写数据函数
void LCD_WR_DATA(u8 data)
{ 

LCD_CS_CLR;   //拉低有效
LCD_RD_SET;             //开启
LCD_RS_SET;              //读写数据
  DATAOUT(data); 
LCD_WR_CLR;           //写入
LCD_WR_SET;              //写完
  LCD_CS_SET;             //释放器件
  
}

//写寄存器函数
void LCD_WR_REG(u8 reg)
{
    
LCD_CS_CLR; //片选
LCD_RD_SET;             //开启
LCD_RS_CLR;              //读写命令  
    DATAOUT(reg);
    LCD_WR_CLR;
LCD_WR_SET;              //写完
  LCD_CS_SET;              //释放器件

}



//读数据
u16 LCD_ReadData(void)
{
    u8 t;   
    LCD_RS_SET;
LCD_WR_SET;
LCD_RD_CLR;
    t = GPIOA->IDR;
    GPIOA->CRH = 0x33333333;
LCD_RD_SET;
    return t;  
}   

//读寄存器
u16 LCD_ReadReg(void) 
{
    u16 reg;

LCD_CS_CLR;
LCD_WR_REG(reg);     
reg = LCD_ReadData();      
    LCD_CS_SET;
return reg;
}
 


//LcdWriteColorData
//写液晶颜色数据
void LcdWriteColorData(u16 color)  
{
  LCD_CS_CLR;
LCD_RD_SET;
LCD_RS_SET;
GPIOA->ODR=(color>>8); //先写入高8位
LCD_WR_CLR;
LCD_WR_SET;
GPIOA->ODR=color; //写入低8位
LCD_WR_CLR;
LCD_WR_SET;
LCD_CS_SET;
}



//LCD初始化
void LCD_Init(void)
{ 
   //GPIOB.0为RD引脚,GPIOB.1为WR引脚
GPIOB->BSRR = (BV(0)|BV(1));
GPIOB->CRL &= 0xffffff00;
GPIOB->CRL |= 0x00000033;

//GPIOC.11,15推挽输出
GPIOC->BSRR = (BV(11)|BV(15));
GPIOC->CRH &= 0x0fff0fff;
GPIOC->CRH |= 0x30003000;

//GPIOA.8-15为屏数据线
GPIOA->CRH = 0x33333333;
GPIOA->ODR|= 0Xffff;



//背光PB.15推挽输出
GPIOB->BSRR = BV(15);
    GPIOB->CRH &= 0x0fffffff;
GPIOB->CRH |= 0x30000000;
    



//GPIOC.14为复位  推挽输出
LCD_REST_SET;
    delay_ms(70);
LCD_REST_CLR;
delay_ms(140);
    LCD_REST_SET;
GPIOC->CRH &= 0xf0ffffff;
GPIOC->CRH |= 0x03000000;

delay_ms(280);

//************* Start Initial Sequence **********//
    LCD_WR_REG(0xCB); //AP[2:0] 
    LCD_WR_DATA(0x01); 

LCD_WR_REG(0xC0); //Power control 
LCD_WR_DATA(0x26);//VRH[5:0] 
LCD_WR_DATA(0x01);//VC[2:0] 

LCD_WR_REG(0xC1); //Power control 
LCD_WR_DATA(0x10);//SAP[2:0];BT[3:0] 

LCD_WR_REG(0xC5); //VCM control 
LCD_WR_DATA(0x31); 
LCD_WR_DATA(0x3C);

LCD_WR_REG(0x26); //Gamma curve selected 
LCD_WR_DATA(0x01);

LCD_WR_REG(0xB6);
LCD_WR_DATA(0xA0); 
LCD_WR_DATA(0xC2); 
  


LCD_WR_REG(0x3A); //Set_pixel_format
LCD_WR_DATA(0x05); //64k color

LCD_WR_REG(0xE0); //Set Gamma  正极伽马校准
LCD_WR_DATA(0x10); 
LCD_WR_DATA(0x10); 
LCD_WR_DATA(0x10); 
LCD_WR_DATA(0x08); 
LCD_WR_DATA(0x0E); 
LCD_WR_DATA(0x06); 
LCD_WR_DATA(0x42); 
LCD_WR_DATA(0x28); 
LCD_WR_DATA(0x36); 
LCD_WR_DATA(0x03); 
LCD_WR_DATA(0x0E); 
LCD_WR_DATA(0x04); 
LCD_WR_DATA(0x13); 
LCD_WR_DATA(0x0E); 
LCD_WR_DATA(0x0C); 
  
LCD_WR_REG(0XE1); //Set Gamma 负极伽马校准
LCD_WR_DATA(0x0C); 
LCD_WR_DATA(0x23); 
LCD_WR_DATA(0x26); 
LCD_WR_DATA(0x04); 
LCD_WR_DATA(0x0C); 
LCD_WR_DATA(0x04); 
LCD_WR_DATA(0x39); 
LCD_WR_DATA(0x24); 
LCD_WR_DATA(0x4B); 
LCD_WR_DATA(0x03); 
LCD_WR_DATA(0x0B); 
LCD_WR_DATA(0x0B); 
LCD_WR_DATA(0x33); 
LCD_WR_DATA(0x37); 
LCD_WR_DATA(0x0F); 


LCD_WR_REG(0x36);   // Memory Access Control 
LCD_WR_DATA(0x60);   // 横屏:左上角到(起点)到右下角(终点)扫描方式
LCD_WR_REG(0x2a);  
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x01);
LCD_WR_DATA(0x3f);


LCD_WR_REG(0x2b); //  
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0xef);


LCD_WR_REG(0x11); //Exit Sleep 
delay_ms(120); 
LCD_WR_REG(0x29); //display on 开显示
delay_ms(120);
LCD_WR_REG(0x2c); 


}



//SetDisplayArea
//设置显示区域
void SetDisplayArea(u16 StartX,u16 StartY,u16 EndX,u16 EndY)
{
LCD_WR_REG(0x2a);
LCD_WR_DATA(StartX>>8);
LCD_WR_DATA(StartX);
LCD_WR_DATA(EndX>>8);
LCD_WR_DATA(EndX);
LCD_WR_REG(0x2b);
LCD_WR_DATA(StartY>>8);
    LCD_WR_DATA(StartY);
    LCD_WR_DATA(EndY>>8);
LCD_WR_DATA(EndY);
LCD_WR_REG(0x2c);

}




//LcdFill
//填充LCD
void LcdFill(u16 x,u16 y,u16 Width,u16 Height,u16 color)
{
    SetDisplayArea(x, y, (x+Width-1), (y+Height-1));
for(x=0;x<Width;x++)
{
for(y=0;y<Height;y++)
{
LcdWriteColorData(color);
}
}
}



//LcdClear
//清除LCD
void LcdClear(u16 color)
{   
  u16 i, j;
   
    SetDisplayArea(0, 0, 319,239);   
    for(i=0;i<240;i++)
    for(j=0;j<320;j++) 
    LcdWriteColorData(color);  
}

只能点亮但不显示颜色啊    

八度空间

http://www.openedv.com/posts/list/35740.htm这帖子工程代码里面LCD驱动有支持8位的，自己移植一下即可完成

热汤000

回复【2楼】Badu_Space:
--------------------------------
还是不行  我这个屏是3.2的  代码是买的时候厂家给的

八度空间

仔细看数据手册的说明吧