在LCD上开窗口显示图片之后，图片左下角无法显示别的数了

元朝 · 发表于 2018-12-11 19:10:43

void DisplayPicture_wifi(unsigned int Xstart,unsigned int Ystart,unsigned int size)//显示WIFI图标

{
u16 temp,pos,t;

BlockWrite(Xstart,Xstart+size-1,Ystart,Ystart+size);
for (pos=0;pos<size;pos++) // (pos=0;pos<lcddev.height;pos++)//
{
for(t=0;t<size*2;t++) //(t=0;t<lcddev.width*2;t++)
{
temp=gImage_wifi[pos*size*2+t]*256+gImage_wifi[pos*size*2+t+1];

t++;
LCD_WriteRAM(temp);
}
}
}

void BlockWrite(unsigned int Xstart,unsigned int Xend,unsigned int Ystart,unsigned int Yend)
{
TFT_Scan_Dir(3);//按顺时针转：0:0度，1：90度，2：180度，3：270度，

LCD_WR_8REG(lcddev.setxcmd);
LCD_WR_8DATA(Xstart>>8);
LCD_WR_8DATA(Xstart&0xff);
LCD_WR_8DATA(Xend>>8);
LCD_WR_8DATA(Xend&0xff);

LCD_WR_8REG(lcddev.setycmd);
LCD_WR_8DATA(Ystart>>8);
LCD_WR_8DATA(Ystart&0xff);
LCD_WR_8DATA(Yend>>8);
LCD_WR_8DATA(Yend&0xff);
LCD_WR_8REG(0x2C);

}