基于NIOS II的液晶显示设计——ucGUI测试代码-优快云博客

本文介绍了一种基于NIOSII处理器的液晶显示设计，通过ucGUI库实现图形界面，包括文字显示、椭圆绘制及图形填充等功能，并展示了具体的测试代码。

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#include "GUI.h"
#include "system.h"
#include "io.h"
#include "alt_types.h"
#include"stdio.h"
#include"unistd.h"
#include"bitmap.h"
#include"graphics.h"
#include"string.h"

int main(void)
{

   GUI_Init();
   int i;
   while(1)
   {
       GUI_Clear();
       for(i=0;i<lcd_frame/2;i++) IOWR_32DIRECT(SRAM_BASE,4*i,image[4*i]+(image[4*i+1]<<8)+(image[4*i+2]<<16)+(image[4*i+3]<<24));
       set_color(BRIGHTBLUE);
       frame(0,0,319,239,10);
       GUI_SetTextMode(2);
       GUI_SetColor(GUI_WHITE);
       GUI_DispStringHCenterAt("Hainan",160,20);
       usleep(5000000);

       GUI_SetBkColor(GUI_BLUE);
       GUI_Clear();
       GUI_FillEllipse(160,120,80,60);
       GUI_DispStringHCenterAt("Ellipse",160,20);
       usleep(5000000);

       GUI_SetBkColor(GUI_BLACK);
       GUI_Clear();
       GUI_DispStringHCenterAt("XOR MODE",160,20);
       GUI_SetDrawMode(GUI_DRAWMODE_NORMAL);
       GUI_FillCircle(150, 114, 40);
       GUI_SetDrawMode(GUI_DRAWMODE_XOR);
       GUI_FillCircle(170, 134, 40);
       GUI_SetDrawMode(GUI_DRAWMODE_NORMAL);
       GUI_DrawRect(200,180,300,220);
       usleep(1000000);
       GUI_ClearRect(200,180,300,220);
       GUI_DrawRect(0,0,319,239);

       usleep(10000000);
   }
    return 0;