Différences

Ci-dessous, les différences entre deux révisions de la page.

--- projets:arduino_open_close [15/01/2018 19:27]
Mathieu Hery [Fichiers]
+++ projets:arduino_open_close [11/04/2018 11:10]
Mathieu Hery supprimée
@@ Ligne 5: / Ligne 5: @@
     An Arduino connects to 2 Pololu Led strips, 12 leds long
     A switch toggles between which one is lit
-    Fallback mode only back and forward
+    Fallback mode only rainbow mode
-    mh8 - December 2017
+    mh8 - February 2018
 */
@@ Ligne 37: / Ligne 36: @@
 //Variable for delays (can go up to 65536 on 2 bytes)
-uint16_t interval = 100;
+uint16_t interval = 10;
 //Variable defining maximum number of modes. Count starts at 0.
@@ Ligne 59: / Ligne 58: @@
 void loop() {
- //In this mode we need to know if we address the OPEN or the CLOSED ledStrip
+  //In this mode we need to know if we address the OPEN or the CLOSED ledStrip
   int buttonState = digitalRead(buttonPin);
-  //Define two random colors to use in the back and foward movement
+  // Update the colors (comes from LedStripRainbow example)
-  rgb_color colorOne = rgb_color(random(255), random(255), random(255));
+  uint16_t time = millis() >> 2;
-  rgb_color colorTwo = rgb_color(random(255), random(255), random(255));
+  for (uint16_t i = 0; i < LED_COUNT; i++)
+  {
-  //FORWARD Movement
+    byte x = (time >> 2) - (i << 3);
-  for (uint8_t i = 0; i < LED_COUNT; i++) {
+    colors[i] = hsvToRgb((uint32_t)x * 359 / 256, 255, 255);
-    colors[i] = colorOne;
-    if (buttonState == 1) {
-      // Write to OPEN not to CLOSED
-      ledStripOpen.write(colors, LED_COUNT);
-      ledStripClosed.write(colorsOff, LED_COUNT);
-    }
-    else if (buttonState == 0) {
-      // Write to CLOSED not to OPEN
-      ledStripClosed.write(colors, LED_COUNT);
-      ledStripOpen.write(colorsOff, LED_COUNT);
-    }
-    delay(interval);
   }
-  //BACK Movement
-  for (uint8_t i = LED_COUNT; i > 0; i--) {
-    colors[i] = colorTwo;
-    if (buttonState == 1) {
-      // Write to OPEN not to CLOSED
-      ledStripOpen.write(colors, LED_COUNT);
-    }
-    else if (buttonState == 0) {
-      // Write to CLOSED not to OPEN
-      ledStripClosed.write(colors, LED_COUNT);
-    }
-    delay(interval);
-  }
-}
-void writetoLeds() {
-  int buttonState = digitalRead(buttonPin);
   if (buttonState == 1) {
-    // Turn ON OPEN led strip turn OFF CLOSED led strip
+    // Write to OPEN not to CLOSED
-    for (uint8_t i = 0; i < LED_COUNT; i++)
+    ledStripOpen.write(colors, LED_COUNT);
-    {
+    ledStripClosed.write(colorsOff, LED_COUNT);
-      colorsOpen[i] = colors[i];
-      colorsClosed[i] = colorsOff[i];
-    }
   }
   else if (buttonState == 0) {
-    // Turn OFF OPEN led strip turn ON CLOSED led strip
+    // Write to CLOSED not to OPEN
-    for (uint8_t i = 0; i < LED_COUNT; i++)
+    ledStripClosed.write(colors, LED_COUNT);
-    {
+    ledStripOpen.write(colorsOff, LED_COUNT);
-      colorsOpen[i] = colorsOff[i];
-      colorsClosed[i] = colors[i];
-    }
   }
+  delay(interval);
-  // Write to the led strips
+}
-  ledStripOpen.write(colorsOpen, LED_COUNT);
-  ledStripClosed.write(colorsClosed, LED_COUNT);
-  delay(10);
+// Comes from LedStripRainbow example
+// Converts a color from HSV to RGB.
+// h is hue, as a number between 0 and 360.
+// s is the saturation, as a number between 0 and 255.
+// v is the value, as a number between 0 and 255.
+rgb_color hsvToRgb(uint16_t h, uint8_t s, uint8_t v)
+{
+  uint8_t f = (h % 60) * 255 / 60;
+  uint8_t p = (255 - s) * (uint16_t)v / 255;
+  uint8_t q = (255 - f * (uint16_t)s / 255) * (uint16_t)v / 255;
+  uint8_t t = (255 - (255 - f) * (uint16_t)s / 255) * (uint16_t)v / 255;
+  uint8_t r = 0, g = 0, b = 0;
+  switch ((h / 60) % 6) {
+    case 0: r = v; g = t; b = p; break;
+    case 1: r = q; g = v; b = p; break;
+    case 2: r = p; g = v; b = t; break;
+    case 3: r = p; g = q; b = v; break;
+    case 4: r = t; g = p; b = v; break;
+    case 5: r = v; g = p; b = q; break;
+  }
+  return rgb_color(r, g, b);
 }
 </code>