FRDM-KL25Z 2、USB鼠标写字

党国特派员

昨天发了用KL25Z USB鼠标画圆，今天我们让KL25ZUSB鼠标写出“飞思卡尔”四个汉字。
对昨天的项目进行改造，引入库不变，还是mbed和USBDevice这两个库，新添加了三个函数：画点，画线，画文本。
让USB鼠标自己写“飞思卡尔”四个汉字，用到画文本函数，画文本函数又用到画点函数。画线的函数没有使用。以后再用，废话不多说看代码吧。

1. #include <math.h>
   
2. #include <stdlib.h>
   
3. 
   
4. #include "mbed.h"
   
5. #include "USBMouse.h"
   
6. 
   
7. 
   
8. #define SCALE 120
   
9. 
   
10. USBMouse mouse(ABS_MOUSE);
    
11. 
    
12. //定义点
    
13. struct Point
    
14. {
    
15.     int16_t x;
    
16.     int16_t y;   
    
17. };
    
18. //画圆
    
19. void DrawCircle(Point basePoint,int32_t radius);
    
20. //画线
    
21. void DrawLine(Point startPoint,Point endPoint);
    
22. //画点
    
23. void DrawDot(Point targetPoint);
    
24. //画点阵
    
25. void DrawText();
    
26. //定义全局变量
    
27. Point origin;   //圆心坐标
    
28. //字体点阵
    
29. uint8_t HZ_1 [4][32]= {{0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0xFE,0x40,0xA0,0x10,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x0C,0x10,0x21,0x42,0xF0,0x00},
    
30. {0x00,0x00,0xFE,0x92,0x92,0x92,0x92,0xFE,0x92,0x92,0x92,0x92,0xFE,0x00,0x00,0x00,0x40,0x38,0x01,0x00,0x3C,0x40,0x40,0x42,0x4C,0x40,0x40,0x70,0x05,0x08,0x30,0x00},
    
31. {0x40,0x40,0x40,0x40,0x40,0x40,0xFF,0x44,0x44,0x44,0x44,0x44,0x44,0x40,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x02,0x04,0x08,0x10,0x00,0x00,0x00},
    
32. {0x80,0x40,0x20,0x18,0x0F,0x08,0x08,0xE8,0x08,0x08,0x08,0x08,0x28,0x18,0x00,0x00,0x20,0x10,0x08,0x06,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x02,0x04,0x08,0x30,0x00}};
    
33. 
    
34. int main()
    
35. {
    
36.     //中心坐标
    
37.     origin.x = (X_MAX_ABS - X_MIN_ABS)/2;
    
38.     origin.y = (Y_MAX_ABS - Y_MIN_ABS)/2;
    
39.    
    
40.     int32_t radius = origin.y / 2;
    
41.     //画圆
    
42.     DrawCircle(origin,radius);
    
43.     //变换坐标
    
44.     origin.x -= 3500;
    
45.     origin.y -= 2500;
    
46.     //输出文字
    
47.     DrawText();
    
48.    
    
49.     while(1);
    
50. }
    
51. 
    
52. 
    
53. void DrawCircle(Point basePoint,int32_t radius)
    
54. {
    
55.     int16_t x =0,y=0;
    
56.     int angle = 0;
    
57.    
    
58.     mouse.press(MOUSE_LEFT);
    
59.     wait(0.01);
    
60.     for(angle =0;angle<=360;angle++)
    
61.     {
    
62.         x = basePoint.x + radius * cos((double)angle * 3.14 / 180);
    
63.         y = basePoint.y + radius * sin((double)angle * 3.14 / 180);
    
64.         mouse.move(x,y);
    
65.         
    
66.         wait(0.01);
    
67.     }
    
68.     mouse.release(MOUSE_LEFT);
    
69.     wait(0.01);
    
70. }
    
71. 
    
72. void DrawLine(Point startPoint,Point endPoint)
    
73. {
    
74.     wait(0.01);
    
75.     mouse.move(startPoint.x,startPoint.y);
    
76.     wait(0.01);
    
77.     mouse.press(MOUSE_LEFT);
    
78.     wait(0.01);
    
79.     mouse.move(endPoint.x,endPoint.y);
    
80.     wait(0.01);
    
81.     mouse.release(MOUSE_LEFT);
    
82.     wait(0.01);
    
83. }
    
84. 
    
85. void DrawDot(Point targetPoint)
    
86. {   
    
87.     mouse.move(targetPoint.x,targetPoint.y);
    
88.     wait(0.01);
    
89.     mouse.press(MOUSE_LEFT);
    
90.     wait(0.01);
    
91.     mouse.release(MOUSE_LEFT);
    
92.     wait(0.01);
    
93. }
    
94. 
    
95. void DrawText()
    
96. {
    
97.     mouse.move(origin.x,origin.y);
    
98.     wait(0.01);
    
99.     for(int i=0;i<4;i++)
    
100.     {
     
101.         Point targetPoint;
     
102.         targetPoint.x = origin.x + i * 16 * SCALE;
     
103.         
     
104.         for(int j=0;j<32;j++)
     
105.         {
     
106.             targetPoint.x += SCALE;
     
107.             if(j == 15)
     
108.                 targetPoint.x = origin.x + i * 16 * SCALE;
     
109.             if(j <= 15)
     
110.             {
     
111.                 targetPoint.y = origin.y;
     
112.             }
     
113.             else
     
114.             {
     
115.                 targetPoint.y = origin.y + 8 * (SCALE + 80);
     
116.             }
     
117.             
     
118.             for(int k=0;k<8;k++)
     
119.             {
     
120.                 targetPoint.y += SCALE + 80;
     
121.                 uint8_t dot = (HZ_1[i][j] >> k) & 0x01;
     
122.                 if(dot)
     
123.                 {
     
124.                     DrawDot(targetPoint);
     
125.                 }
     
126.             }
     
127.         }
     
128.     }
     
129. }

复制代码

今天日了怪了，附件上传不上去，效果图看不到。
补个视频给大家看：

阅读全文

LTREE

是自己写的上位机吧，你用什么语言写的呀

党国特派员

效果图补一下：

shaoziyang

很有创意，顶一个。

FQYD01

感谢楼主分享，学习中

小七

这个有点意思

beian10

效果很好看啊

凡若晨曦

有创意哦

slotg

很不错的东西，感谢分享

黑溱郎

真的很不错，跟楼主学习。

wambob

你可以画个表了