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UCOSIII+UCGUI+战舰+原子4.3电容屏[C]
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自己参考网上的方法做了画点,画线,填充矩形,16bpp的优化,但我的刷屏速度只有这样:[C]
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看到别人的刷屏都是900万像素每秒,甚至3000万,牛人帮我看看程序[C]
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画线:[C]
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/*********************************************************************** LCD_L0_DrawHLine*/void LCD_L0_DrawHLine (int x0, int y, int x1) {u16 f; if (GUI_Context.DrawMode & LCD_DRAWMODE_XOR) { for (; x0 <= x1; x0++) { LCD_L0_XorPixel(x0, y); } } else {f = x1 - x0 + 1;LCD_SetCursor(x0, y);//设置光标LCDX->LCD_REG=lcddev.wramcmd;//写入GRAM for (; f > 0;f --) {LCDX->LCD_RAM=LCD_COLORINDEX; //LCD_L0_SetPixelIndex(x0, y, LCD_COLORINDEX); } }}[C]
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/*********************************************************************** LCD_L0_DrawVLine*/void LCD_L0_DrawVLine (int x, int y0, int y1) { if (GUI_Context.DrawMode & LCD_DRAWMODE_XOR) { for (; y0 <= y1; y0++) { LCD_L0_XorPixel(x, y0); } } else { for (; y0 <= y1; y0++) { LCD_L0_SetPixelIndex(x, y0, LCD_COLORINDEX); } }}
填充矩形:
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/*********************************************************************** LCD_L0_FillRect*/void LCD_L0_FillRect(int x0, int y0, int x1, int y1) {u16 i , j;u16 xlen;xlen = x1 - x0 + 1; for(i = y0; i <= y1; i++){ LCD_SetCursor(x0, i);LCDX->LCD_REG=lcddev.wramcmd; for(j = 0; j < xlen; j++)LCDX->LCD_RAM = LCD_COLORINDEX; }// for (; y0 <= y1; y0++) {// LCD_L0_DrawHLine(x0, y0, x1);// }}16bpp:
(这里优化后刷控件速度快多了)[C]
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/*********************************************************************** Draw Bitmap 16 BPP*/#if (LCD_BITSPERPIXEL > 8)sta
tic void DrawBitLine16BPP(int x, int y, U16 const GUI_UNI_PTR * p, int xsize, const LCD_PIXELINDEX * pTrans) { LCD_PIXELINDEX pixel; if ((GUI_Context.DrawMode & LCD_DRAWMODE_TRANS) == 0) { if (pTrans) {LCD_SetCursor(x, y);LCDX->LCD_REG=lcddev.wramcmd; for (; xsize > 0; xsize--, x++, p++) { pixel = *p;LCDX->LCD_RAM = *(pTrans + pixel);// LCD_L0_SetPixelIndex(x, y, *(pTrans + pixel)); } } else {LCD_SetCursor(x, y);LCDX->LCD_REG=lcddev.wramcmd; for (;xsize > 0; xsize--, x++, p++) {LCDX->LCD_RAM = *p;// LCD_L0_SetPixelIndex(x, y, *p); } } } else { if (pTrans) {LCD_SetCursor(x, y);LCDX->LCD_REG=lcddev.wramcmd; for (; xsize > 0; xsize--, x++, p++) { pixel = *p; if (pixel) {LCDX->LCD_RAM = *(pTrans + pixel);// LCD_L0_SetPixelIndex(x, y, *(pTrans + pixel)); } } } else {LCD_SetCursor(x, y);LCDX->LCD_REG=lcddev.wramcmd; for (; xsize > 0; xsize--, x++, p++) { pixel = *p; if (pixel) {LCDX->LCD_RAM = pixel;// LCD_L0_SetPixelIndex(x, y, pixel); } } } }}希望优化到看不见刷屏,现在还是能看见从上到下的刷屏