BlueNRG-1控制8颗WS2812B实现摇摇棒显示EEWORLD

littleshrimp

BlueNRG-1控制8颗WS2812B实现摇摇棒显示EEWORLD [复制链接]

 
先把点阵显示实现了
手机拍下来的效果不好
实际色彩比这个酷多了

主要代码

1. #include "display.h"
   
2. #include "spi.h"
   
3. #include "ws2812b.h"
   
4. #include <stdio.h>
   
5. #include <string.h>
   
6. 
   
7. #define BACKGROUND_COLOR  0x000000
   
8. #define FOREGROUND_COLOR  0x0F2F30
   
9. #define BIT_TO_COLOR(byte,bit_index) (((byte & 1ul<<bit_index) == 1ul<<bit_index)?FOREGROUND_COLOR:BACKGROUND_COLOR)
   
10. #define GET_BIT_OF_BYTE(byte,bit_index) (((byte & 1ul<<bit_index) == 1ul<<bit_index)?1:0)
    
11. 
    
12. #define WS2812B_COUNT 8
    
13. uint32_t color_buffer[WS2812B_COUNT];
    
14. //RGB颜色缓冲转换为WS2812支持的SPI数据缓冲，一个RGB（24位）对应9个字节，WS2812B的一位需要3位，即110=1,100=0
    
15. uint8_t ws2812b_buffer[WS2812B_COUNT * 9];
    
16. 
    
17. 
    
18. 
    
19. //跑马灯那颗灯珠的位置
    
20. uint16_t index = 0;
    
21. 
    
22. //从上向下扫描
    
23. uint8_t table_of_digits[40][8]=
    
24. {
    
25.     {0x1C,0x22,0x22,0x22,0x22,0x22,0x22,0x1C},//0
    
26.     {0x08,0x18,0x08,0x08,0x08,0x08,0x08,0x1C},//1
    
27.     {0x1C,0x22,0x02,0x02,0x1C,0x20,0x20,0x3E},//2
    
28.     {0x1C,0x22,0x02,0x1C,0x02,0x02,0x22,0x1C},//3
    
29.     {0x08,0x18,0x28,0x48,0x7C,0x08,0x08,0x08},//4
    
30.     {0x3E,0x20,0x20,0x3E,0x02,0x02,0x22,0x1C},//5
    
31.     {0x1C,0x22,0x20,0x3C,0x22,0x22,0x22,0x1C},//6
    
32.     {0x3E,0x02,0x04,0x08,0x10,0x10,0x10,0x10},//7
    
33.     {0x1C,0x22,0x22,0x1C,0x22,0x22,0x22,0x1C},//8
    
34.     {0x1C,0x22,0x22,0x22,0x1E,0x02,0x22,0x1C},//9
    
35.     {0x00,0x1C,0x22,0x22,0x22,0x3E,0x22,0x22},//A
    
36.     {0x00,0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C},//B
    
37.     {0x00,0x1C,0x22,0x20,0x20,0x20,0x22,0x1C},//C
    
38.     {0x00,0x3C,0x22,0x22,0x22,0x22,0x22,0x3C},//D
    
39.     {0x00,0x3E,0x20,0x20,0x3E,0x20,0x20,0x3E},//E
    
40.     {0x00,0x3E,0x20,0x20,0x3E,0x20,0x20,0x20},//F
    
41.     {0x00,0x1C,0x22,0x20,0x3E,0x22,0x22,0x1C},//G
    
42.     {0x00,0x22,0x22,0x22,0x3E,0x22,0x22,0x22},//H
    
43.     {0x00,0x1C,0x08,0x08,0x08,0x08,0x08,0x1C},//I
    
44.     {0x00,0x3E,0x08,0x08,0x08,0x08,0x28,0x18},//J
    
45.     {0x00,0x20,0x2C,0x30,0x20,0x30,0x2C,0x20},//K
    
46.     {0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x3E},//L
    
47.     {0x00,0x42,0x66,0x5A,0x42,0x42,0x42,0x42},//M
    
48.     {0x00,0x00,0x2C,0x32,0x22,0x22,0x22,0x22},//n
    
49.     {0x00,0x1C,0x22,0x22,0x22,0x22,0x22,0x1C},//O
    
50.     {0x00,0x3C,0x22,0x22,0x3C,0x20,0x20,0x20},//P
    
51.     {0x00,0x1C,0x22,0x22,0x22,0x2A,0x26,0x1F},//Q
    
52.     {0x00,0x38,0x24,0x24,0x38,0x30,0x28,0x24},//R
    
53.     {0x00,0x1C,0x22,0x20,0x1C,0x02,0x22,0x1C},//S
    
54.     {0x00,0x3E,0x08,0x08,0x08,0x08,0x08,0x08},//T
    
55.     {0x00,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//U
    
56.     {0x00,0x22,0x22,0x22,0x14,0x14,0x08,0x00},//V
    
57.     {0x00,0x41,0x41,0x49,0x55,0x55,0x63,0x41},//W
    
58.     {0x00,0x00,0x42,0x24,0x18,0x18,0x24,0x42},//X
    
59.     {0x00,0x22,0x22,0x14,0x08,0x10,0x20,0x00},//Y
    
60.     {0x00,0x3E,0x02,0x04,0x08,0x10,0x20,0x3E},//Z
    
61. };
    
62. //获取一个字符的点阵，按行扫描，一搬从上至下
    
63. uint8_t get_digit_row(char c,uint8_t row_index)
    
64. {
    
65.   uint8_t char_index;
    
66.   char_index = (c>='A') ? c-'A'+10 :c-'0';
    
67.   return table_of_digits[char_index][row_index];
    
68. }
    
69. //获取一个字符的点阵，按列扫描，一搬从上至下读点，从左至右读列
    
70. uint8_t get_digit_column(char c,uint8_t column_index)
    
71. {
    
72.   uint8_t i;
    
73.   uint8_t char_index;
    
74.   char_index = (c>='A') ? c-'A'+10 :c-'0';
    
75.   uint8_t column_code = 0;
    
76.   //将行扫转成列扫
    
77.   for(i=0;i<8;i++)
    
78.   {
    
79.     column_code <<= 1;
    
80.     column_code |= GET_BIT_OF_BYTE(table_of_digits[char_index][i],7 - column_index);
    
81.   }  
    
82.   return column_code;
    
83. }
    
84. 
    
85. void delay1(uint32_t d)
    
86. {
    
87.   uint32_t i,j;
    
88.   for(i=0;i<d;i++)
    
89.   {
    
90.     for(j=0;j<100;j++);
    
91.   }
    
92. }
    
93. void ws2812b_string_display(char * str)
    
94. {
    
95.   uint16_t i,j,k;
    
96.   uint16_t strcount;
    
97.   strcount = strlen(str);
    
98.   uint8_t y_code;
    
99.   uint32_t colors[8];
    
100.   int32_t light_count = 8;
     
101.   //字符数量
     
102.   for(i=0;i<strcount;i++)
     
103.   {
     
104.     //单字符列数据
     
105.     for(j=0;j<8;j++)
     
106.     {
     
107.       y_code = get_digit_column(str[i],j);
     
108.       //单列点数量
     
109.       for(k=0;k<8;k++)
     
110.       {
     
111.           colors[k] = BIT_TO_COLOR(y_code,7-k);
     
112.       }
     
113.       //填充完一列8个点后显示      
     
114.       IntColorsToWS2812BBytes(ws2812b_buffer,colors,light_count);
     
115.       DMASpi_Sending((uint32_t)ws2812b_buffer,light_count * 9);
     
116.       delay1(10);
     
117.     }
     
118.   }
     
119.   
     
120. }
     

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wudianjun2001

太忙了，想玩没空玩

FFF700

学习下

billtest36

太好了 感謝分享

lentine

感谢分享

zder001

很不错哦哦哦哦哦哦哦哦哦哦

jonwoo1991

谢谢分享