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annotate rgbled/nanostrip.cc @ 1428:7fd31c549e17

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notes about effecteval Ignore-this: 1f132f9161fd22f290e906597ed1069
author drewp@bigasterisk.com
date Sat, 11 Jun 2016 04:34:07 +0000
parents b7fb7b2649fd
children
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1 #include <Arduino.h>
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2 #include <Adafruit_NeoPixel.h>
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3
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4 /*
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5 PWM is available on 3,5,6,9,10,11
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6
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7 Pin D3: blacklight pwm
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8 Pin D4: neo strip 1
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9 Pin D6: R
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10 Pin D8: neo strip 2
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11 Pin D9: G
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12 Pin D10: B
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13 Pin D11: blacklight 2
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14 */
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15
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16
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17 // Parameter 1 = number of pixels in strip
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18 // Parameter 2 = pin number (most are valid)
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19 // Parameter 3 = pixel type flags, add together as needed:
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20 // NEO_RGB Pixels are wired for RGB bitstream
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21 // NEO_GRB Pixels are wired for GRB bitstream
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22 // NEO_KHZ400 400 KHz bitstream (e.g. FLORA pixels)
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23 // NEO_KHZ800 800 KHz bitstream (e.g. High Density LED strip)
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24 Adafruit_NeoPixel strip0 = Adafruit_NeoPixel(50, 4, NEO_RGB + NEO_KHZ800);
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25 Adafruit_NeoPixel strip1 = Adafruit_NeoPixel(50, 8, NEO_RGB + NEO_KHZ800);
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26
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27 #define debugLed 13
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28
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29 void intro() {
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30 uint32_t red = strip0.Color(255,0,0), black = strip0.Color(0,0,0);
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31 for (Adafruit_NeoPixel* strip = &strip0; strip != &strip1; strip = &strip1) {
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32 strip->setPixelColor(0, red); strip->show(); delay(100);
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33 strip->setPixelColor(0, black); strip->show(); delay(100);
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34 strip->setPixelColor(0, red); strip->show(); delay(100);
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35 strip->setPixelColor(0, black); strip->show(); delay(100);
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36 }
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37 }
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38
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39 void setStrip(Adafruit_NeoPixel* strip) {
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40 digitalWrite(debugLed, 1);
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41 for (uint8_t i=0; i < strip->numPixels(); i++) {
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42 while (Serial.available() < 3) {
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43 }
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44 byte r = Serial.read();
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45 byte g = Serial.read();
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46 byte b = Serial.read();
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47 strip->setPixelColor(i, strip->Color(g, r, b));
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48 }
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49 strip->show();
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50
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51 digitalWrite(debugLed, 0);
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52 }
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53
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54 int main(void) {
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55 init();
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56 pinMode(debugLed, OUTPUT);
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58
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59 strip0.begin();
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60 strip1.begin();
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61 intro();
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62 Serial.begin(115200);
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63
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64 uint8_t i;
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65 while (1) {
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66 while (Serial.available() <= 2) {
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67 }
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68 i = Serial.read();
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69 if (i != 0x60) {
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70 continue;
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71 }
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72 i = Serial.read(); // command
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73 if (i == 0) { // set strip: 0x60 0x00 <numPixels * 3 bytes>
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74 setStrip(&strip0);
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75 } else if (i == 1) { // strip 1
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76 setStrip(&strip1);
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77 } else if (i == 2) { // set pwm on uv1: 0x60 0x02 <level>
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78 while (Serial.available() < 1) {
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79 }
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80 analogWrite(3, Serial.read());
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81 } else if (i == 3) { // set pwm on uv2: 0x60 0x03 <level>
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82 while (Serial.available() < 1) {
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83 }
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84 analogWrite(11, Serial.read());
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85 } else if (i == 4) { // set r/g/b: 0x60 0x04 <r> <g> <b>
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86 while (Serial.available() < 3) {
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87 }
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88 analogWrite(6, Serial.read());
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89 analogWrite(9, Serial.read());
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90 analogWrite(10, Serial.read());
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91 } else {
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92 // unknown command
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93 }
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94 }
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95 }