芯片复制stm32f103zet6的简易计算器源码
代码如下：
- 芯片复制#include "led.h"
- 芯片复制#include "delay.h"
- 芯片复制#include "key.h"
- #include "sys.h"
- #include "lcd.h"
- #include "usart.h"
- #include "24cxx.h"
- #include "w25qxx.h"
- #include "touch.h"
- int aa = 0;
- //清空屏幕并在右上角显示"RST"
- void Load_Drow_Dialog(void)
- {
- LCD_Clear(WHITE); //清屏
- POINT_COLOR=BLUE; //设置字体为蓝色
- LCD_ShowString(lcddev.width-24,0,200,16,16,"RST");//显示清屏区域
- POINT_COLOR=RED; //设置画笔蓝色
- }
- ////////////////////////////////////////////////////////////////////////////////
- //电容触摸屏专有部分
- //画水平线
- //x0,y0:坐标
- //len:线长度
- //color:颜色
- void gui_draw_hline(u16 x0,u16 y0,u16 len,u16 color)
- {
- if(len==0)return;
- LCD_Fill(x0,y0,x0+len-1,y0,color);
- }
- //画实心圆
- //x0,y0:坐标
- //r:半径
- //color:颜色
- void gui_fill_circle(u16 x0,u16 y0,u16 r,u16 color)
- {
- u32 i;
- u32 imax = ((u32)r*707)/1000+1;
- u32 sqmax = (u32)r*(u32)r+(u32)r/2;
- u32 x=r;
- gui_draw_hline(x0-r,y0,2*r,color);
- for (i=1;i<=imax;i++)
- {
- if ((i*i+x*x)>sqmax)// draw lines from outside
- {
- if (x>imax)
- {
- gui_draw_hline (x0-i+1,y0+x,2*(i-1),color);
- gui_draw_hline (x0-i+1,y0-x,2*(i-1),color);
- }
- x--;
- }
- // draw lines from inside (center)
- gui_draw_hline(x0-x,y0+i,2*x,color);
- gui_draw_hline(x0-x,y0-i,2*x,color);
- }
- }
- //两个数之差的绝对值
- //x1,x2：需取差值的两个数
- //返回值：|x1-x2|
- u16 my_abs(u16 x1,u16 x2)
- {
- if(x1>x2)return x1-x2;
- else return x2-x1;
- }
- //画一条粗线
- //(x1,y1),(x2,y2):线条的起始坐标
- //size：线条的粗细程度
- //color：线条的颜色
- void lcd_draw_bline(u16 x1, u16 y1, u16 x2, u16 y2,u8 size,u16 color)
- {
- u16 t;
- int xerr=0,yerr=0,delta_x,delta_y,distance;
- int incx,incy,uRow,uCol;
- if(x1<size|| x2<size||y1<size|| y2<size)return;
- delta_x=x2-x1; //计算坐标增量
- delta_y=y2-y1;
- uRow=x1;
- uCol=y1;
- if(delta_x>0)incx=1; //设置单步方向
- else if(delta_x==0)incx=0;//垂直线
- else {incx=-1;delta_x=-delta_x;}
- if(delta_y>0)incy=1;
- else if(delta_y==0)incy=0;//水平线
- else{incy=-1;delta_y=-delta_y;}
- if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴
- else distance=delta_y;
- for(t=0;t<=distance+1;t++ )//画线输出
- {
- gui_fill_circle(uRow,uCol,size,color);//画点
- xerr+=delta_x ;
- yerr+=delta_y ;
- if(xerr>distance)
- {
- xerr-=distance;
- uRow+=incx;
- }
- if(yerr>distance)
- {
- yerr-=distance;
- uCol+=incy;
- }
- }
- }
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