标题: 那位牛人能把arduino程序翻译成stc51单片机程序（51就可以） [打印本页]
作者: may275    时间: 2015-2-6 21:57
  1. //Jeremy Blum's Arduino Tutorial Series - Episode 14 - Lights and Sound Holiday Special
  2. //Sample Code 2 - Driving all 50 LEDs using an array powered by both stereo channels
  3. //WS2801 Library and Helper Functions by Adafruit
  4. /*
  5.   The circuit:
  6. * A0 from Amplififed Left Channel
  7. * A1 from Amplified Right Channel
  8. * Digital 2 to Light Clock Line
  9. * Digital 3 to Light Data Line
  10. * Don't forget to connect all your grounds!
  11. */

  13. //SPI Library
  14. #include "SPI.h"

  16. //RGB LED Library
  17. //You can download it here: [url=https://github.com/adafruit/Adafruit-WS2801-Library/archive/master.zip]https://github.com/adafruit/Adaf ... /archive/master.zip[/url]
  18. //Install it in your library folder and restart the Arduino IDE
  19. #include "Adafruit_WS2801.h"

  21. //Analog Input Pins
  22. int left_channel = 0;
  23. int right_channel = 1;

  25. //Light Control Pins
  26. int light_data = 3;
  27. int light_clk = 2;

  29. //Set Strip Constants
  30. const int length = 50;
  31. const int half = length/2;

  33. //Library Setup
  34. Adafruit_WS2801 strip = Adafruit_WS2801(length, light_data, light_clk);

  36. //Set up arrays for cycling through all the pixels.  I'm assuming you have an even number of lights.
  37. uint32_t left_array[half];
  38. uint32_t right_array[half];

  40. void setup()
  41. {
  42.   //Fill pixel arrays with zeros
  43.   for(int i=0; i<half;i++)
  44.   {
  45.     left_array[i] = 0;
  46.     right_array[i] = 0;
  47.   }

  49.   //Initialize Strip
  50.   strip.begin();
  51.   strip.show();


  54. }

  56. void loop()
  57. {
  58.   //Set the hue (0-255) and 24-bit color depending on left channel value
  59.   byte hue_left = constrain(map(analogRead(left_channel), 0, 400, 0, 255), 0, 255);
  60.   uint32_t color_left = Wheel(hue_left);

  62.   //Set the hue (0-255) and 24-bit color depending on right channel value
  63.   byte hue_right = constrain(map(analogRead(right_channel), 0, 400, 0, 255), 0, 255);
  64.   uint32_t color_right = Wheel(hue_right);

  66.   //Shift the current values.
  67.   for (int i = 0; i<half-1; i++)
  68.   {
  69.     left_array[i] = left_array[i+1];
  70.     right_array[i] = right_array[i+1];
  71.   }

  73.   //Fill in the new value at the end of each array
  74.   left_array[half-1] = color_left;
  75.   right_array[half-1] = color_right;

  77.   //Go through each Pixel on the strip and set its color
  78.   for (int i=0; i<half; i++)
  79.   {
  80.     //set pixel color
  81.     strip.setPixelColor(i, left_array[i]);
  82.     strip.setPixelColor(length-i-1, right_array[i]);
  83.   }


  86.   //Display the new values
  87.   strip.show();

  89.   //sample delay
  90.   delay(40);

  92. }

  94. /* Helper functions */


  97. // Create a 24 bit color value from R,G,B
  98. uint32_t Color(byte r, byte g, byte b)
  99. {
  100.   uint32_t c;
  101.   c = r;
  102.   c <<= 8;
  103.   c |= g;
  104.   c <<= 8;
  105.   c |= b;
  106.   return c;
  107. }

  109. //Input a value 0 to 255 to get a color value.
  110. //The colours are a transition r - g -b - back to r
  111. uint32_t Wheel(byte WheelPos)
  112. {
  113.   if (WheelPos < 85) {
  114.    return Color(WheelPos * 3, 255 - WheelPos * 3, 0);
  115.   } else if (WheelPos < 170) {
  116.    WheelPos -= 85;
  117.    return Color(255 - WheelPos * 3, 0, WheelPos * 3);
  118.   } else {
  119.    WheelPos -= 170;
  120.    return Color(0, WheelPos * 3, 255 - WheelPos * 3);
  121.   }
  122. }

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作者: may275    时间: 2015-2-11 10:47
看到项目结果有什么想法的都可以说。。。。。。。。。。比如，如何实现
作者: 286458071    时间: 2015-6-13 10:50
期待中
作者: 冰冰洁洁    时间: 2018-6-27 23:35
简单点可以，这么多代码没时间了。可以重写51
作者: shinezhangxiao    时间: 2020-5-9 01:54
这个确实有些复杂，需要一整套的辅助程序，要占用将近40k。arduino程序只需要改在void loop()前增加一个void main()即可完美运行。后来STC认为占用内存太多，效率降低，帮助AVR放弃51。所以意义不大。



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