因为Memory LCD 的特性,不能设置像素坐标,只能用缓存整体刷新。
所以对于Memory LCD来说,emWin移植仅与打点函数有关,这里用Sharp Memory LCD(ls013b7dh03)作为实例。
//LCD的显存,逐行扫描
//存放格式如下.
//[0]0 1 2 3 ... 16
//[1]0 1 2 3 ... 16
//[2]0 1 2 3 ... 16
//[3]0 1 2 3 ... 16
//[4]0 1 2 3 ... 16
//[5]0 1 2 3 ... 16
//[6]0 1 2 3 ... 16
//[7]0 1 2 3 ... 16
...
//[127]0 1 2 3 ... 16
#define OLED_MAX_X 128
#define OLED_MAX_Y 128
#define LINE (128)
#define LINE_SIZE (16)
static char LCD_GRAM[LINE][LINE_SIZE];
void lcd_drawpoint(uint16_t x,uint16_t y,bool bDraw){
uint16_t pos,bx,tmp;
if(x>OLED_MAX_X-1||y>OLED_MAX_Y-1)
return;
pos=15-y/8;
bx=y%8;
tmp=1<<(bx);
if(bDraw)
LCD_GRAM[x][pos]|= tmp;
else
LCD_GRAM[x][pos]&= ~tmp;
}
void lcd_fillRect(uint16_t x,uint16_t y,uint16_t w,uint16_t h,bool bDraw)
{
uint16_t wi,hi;
for(hi=0;hi<h;hi++){
for(wi=0;wi<w;wi++)
lcd_drawpoint(x+wi,y+hi,bDraw);
}
}
void lcd_fillRectByXY(uint16_t x0,uint16_t y0,uint16_t x1,uint16_t y1,bool bDraw)
{
uint16_t xStart=0,yStart=0;
uint16_t w,h;
if(x0<x1){
xStart=x0;
w=x1-x0+1;
}else{
xStart=x1;
w=x0-x1+1;
}
if(y0<y1){
yStart=y0;
h=y1-y0+1;
}else{
yStart=y1;
h=y0-y1+1;
}
lcd_fillRect(xStart,yStart,w,h,bDraw);
}
uint32_t lcd_getpoint(uint16_t x,uint16_t y)
{
}