initial push

echo-led-controller/echo-led-strip.ino

@@ -0,0 +1,222 @@
+#define ledStripPinR 5
+#define ledStripPinG 6
+#define ledStripPinB 9
+
+int currentLedR = 0;
+int currentLedG = 0;
+int currentLedB = 0;
+
+int targetLedR = 0;
+int targetLedG = 0;
+int targetLedB = 0;
+
+int fadeDelay = 5;
+
+// Modes:
+// 0 = Off
+// 1 = Static
+// 2 = Fade
+// 3 = Dynamic
+int currentMode = 2;
+
+void handleLedStrip () {
+
+  // Check if we need to handle target colors
+  if (currentLedR == targetLedR && currentLedG == targetLedG && currentLedB == targetLedB) {
+    return;
+  }
+   
+  // Check which mode we are in, and change values based on that
+  if (currentMode == 1) {
+    // Static Mode
+    analogWrite(ledStripPinR, targetLedR);
+    analogWrite(ledStripPinG, targetLedG);
+    analogWrite(ledStripPinB, targetLedB);
+  }
+
+  if (currentMode == 2) {
+    // Fade Mode
+
+    //
+    // Red
+    //
+    
+    // Target val is greater, add to current led value 
+    if (targetLedR > currentLedR) {
+      currentLedR = currentLedR + 1;
+    }
+
+    // Target val is smaller, remove from current led value 
+    if (targetLedR < currentLedR) {
+      currentLedR = currentLedR - 1;
+    }
+
+    //
+    // Green
+    //
+
+    // Target val is greater, add to current led value 
+    if (targetLedG > currentLedG) {
+      currentLedG = currentLedG + 1;
+    }
+
+    // Target val is smaller, remove from current led value 
+    if (targetLedG < currentLedG) {
+      currentLedG = currentLedG - 1;
+    }
+
+    //
+    // Blue
+    //
+
+    // Target val is greater, add to current led value 
+    if (targetLedB > currentLedB) {
+      currentLedB = currentLedB + 1;
+    }
+
+    // Target val is smaller, remove from current led value 
+    if (targetLedB < currentLedB) {
+      currentLedB = currentLedB - 1;
+    }
+
+    analogWrite(ledStripPinR, currentLedR);
+    analogWrite(ledStripPinG, currentLedG);
+    analogWrite(ledStripPinB, currentLedB);
+
+    if (currentLedR == targetLedR && currentLedG == targetLedG && currentLedB == targetLedB) {
+      char deviceUUID[10] = "34gr-54jf";
+      char command[20] = "target_reached";
+      char data[69] = "0";
+      sendSerialCommand(deviceUUID, command, data);
+    }
+
+    delay(fadeDelay);
+  }
+
+}
+
+void ledStripCommand(char* deviceUUID, char* command, char* data) {
+  if (strcmp(command, "clear_color") == 0) {
+    targetLedR = 0;
+    targetLedG = 0;
+    targetLedB = 0;
+  }
+
+  if (strcmp(command, "set_color") == 0) {
+    setColor(data);
+  }
+
+  if (strcmp(command, "set_mode") == 0) {
+    setMode(data);
+  }
+
+  if (strcmp(command, "set_mode") == 0) {
+    setMode(data);
+  }
+
+  if (strcmp(command, "set_fade_delay") == 0) {
+    setFadeDelay(data);
+  }
+}
+ 
+void setColor(char* dataBuffer) {
+  char * strtokIndex;
+  char rValueRaw[4];
+  char gValueRaw[4];
+  char bValueRaw[4];
+    
+  // Get Red Value
+  strtokIndex = strtok(dataBuffer, ",");
+  strcpy(rValueRaw, strtokIndex);
+  
+  // Get Green Value
+  strtokIndex = strtok(NULL, ",");
+  strcpy(gValueRaw, strtokIndex);
+  
+  // Get Blue Value
+  strtokIndex = strtok(NULL, ",");
+  strcpy(bValueRaw, strtokIndex);
+  
+  targetLedR = atoi(rValueRaw);
+  targetLedG = atoi(gValueRaw);
+  targetLedB = atoi(bValueRaw);
+}
+
+void setMode(char* dataBuffer) {
+  if (strcmp(dataBuffer, "static") == 0) {
+    currentMode = 1;
+  }
+  
+  if (strcmp(dataBuffer, "fade") == 0) {
+    currentMode = 2;
+  }
+}
+
+void setFadeDelay(char* dataBuffer) {
+  fadeDelay = atoi(dataBuffer);
+}
+
+void initLedStrip() {
+  
+  // Define Pin Outputs
+  pinMode(ledStripPinR, OUTPUT);
+  pinMode(ledStripPinG, OUTPUT);
+  pinMode(ledStripPinB, OUTPUT);
+
+  // Write 0 to all rgbs
+  analogWrite(ledStripPinR, 0);
+  analogWrite(ledStripPinG, 0);
+  analogWrite(ledStripPinB, 0);
+
+  // Loop Each Color
+  //
+
+  // Red
+  for (int colorIndex = 0; colorIndex < 256; colorIndex++) {
+     analogWrite(ledStripPinR, colorIndex);
+     delay(3);
+  }
+
+  for (int colorIndex = 255; colorIndex > -1; colorIndex--) {
+     analogWrite(ledStripPinR, colorIndex);
+     delay(3);
+  }
+
+  // Green
+  for (int colorIndex = 0; colorIndex < 256; colorIndex++) {
+     analogWrite(ledStripPinG, colorIndex);
+     delay(3);
+  }
+
+  for (int colorIndex = 255; colorIndex > -1; colorIndex--) {
+     analogWrite(ledStripPinG, colorIndex);
+     delay(3);
+  }
+
+  // Blue
+  for (int colorIndex = 0; colorIndex < 256; colorIndex++) {
+     analogWrite(ledStripPinB, colorIndex);
+     delay(3);
+  }
+
+  for (int colorIndex = 255; colorIndex > -1; colorIndex--) {
+     analogWrite(ledStripPinB, colorIndex);
+     delay(3);
+  }
+
+  // All
+  for (int colorIndex = 0; colorIndex < 256; colorIndex++) {
+     analogWrite(ledStripPinR, colorIndex);
+     analogWrite(ledStripPinG, colorIndex);
+     analogWrite(ledStripPinB, colorIndex);
+     delay(3);
+  }
+
+  for (int colorIndex = 255; colorIndex > -1; colorIndex--) {
+     analogWrite(ledStripPinR, colorIndex);
+     analogWrite(ledStripPinG, colorIndex);
+     analogWrite(ledStripPinB, colorIndex);
+     delay(3);
+  }
+  
+}