From 38d8f89f2f2b27fb25e0b4b9a34b45b76f6dc6f2 Mon Sep 17 00:00:00 2001
From: daniel-Jones <daniel@danieljon.es>
Date: Mon, 13 Feb 2017 16:06:14 +1030
Subject: added fade ability to Arduino sketch, using psuedo threading. Rework
 of serial communication also started, the Qt interface is currently under
 development to support fading.

---
 arduino/rgb/rgb.ino | 130 +++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 97 insertions(+), 33 deletions(-)

(limited to 'arduino/rgb/rgb.ino')

diff --git a/arduino/rgb/rgb.ino b/arduino/rgb/rgb.ino
index 702fbe1..7d61ceb 100644
--- a/arduino/rgb/rgb.ino
+++ b/arduino/rgb/rgb.ino
@@ -1,4 +1,6 @@
-int incomingByte = 0;   // for incoming serial data
+#include <SPI.h>
+#include <Thread.h>
+
 const int redPin = 2;
 const int greenPin = 4;
 const int bluePin = 3;
@@ -7,38 +9,100 @@ int red;
 int green;
 int blue;
 
-String inData;
-void setup() {
-        Serial.begin(9600);     // opens serial port, sets data rate to 9600 bps
-        red = 0;
-        green = 0;
-        blue = 0;
-        pinMode(redPin, OUTPUT);
-  pinMode(greenPin, OUTPUT);
-  pinMode(bluePin, OUTPUT);
+void red_thread();
+bool r_rev = false;
+
+void green_thread();
+bool g_rev = false;
+
+void blue_thread();
+bool b_rev = false;
+
+Thread r_fade = Thread();
+Thread g_fade = Thread();
+Thread b_fade = Thread();
+
+void setup()
+{
+	Serial.begin(9600);
+	pinMode(redPin, OUTPUT);
+	pinMode(greenPin, OUTPUT);
+	pinMode(bluePin, OUTPUT);
+
+	/* set all values to 0 */
+	red = 0;
+	green = 0;
+	blue = 0;
+	r_fade.enabled = false;
+	r_fade.onRun(red_thread);
+	r_fade.setInterval(10);
+
+	g_fade.enabled = false;
+        g_fade.onRun(green_thread);
+        g_fade.setInterval(10);
+
+	b_fade.enabled = false;
+        b_fade.onRun(blue_thread);
+        b_fade.setInterval(10);
+
 }
 
-void loop() {
-
-        // send data only when you receive data:
-        if (Serial.available() > 0) {
-                char recieved = Serial.read();
-        inData += recieved; 
-
-        // Process message when new line character is recieved
-        if (recieved == '\n')
-        {
-            Serial.print("string: ");
-            Serial.print(inData);
-            String first  = Serial.readStringUntil(',');
-    Serial.read(); //next character is comma, so skip it using this
-    String second = Serial.readStringUntil(',');
-    Serial.read();
-    String third  = Serial.readStringUntil('\0');
-    Serial.print(first + "\n");
-    Serial.print(second + "\n");
-    Serial.print(third + "\n");
-            inData = ""; // Clear recieved buffer
-        }
-        }
+void red_thread()
+{
+        if (red == 255)
+                r_rev = true;
+        if (red == 0)
+                r_rev = false;
+        if (!r_rev)
+                red++;analogWrite(redPin, red);
+        if (r_rev)
+                red--;analogWrite(redPin, red);
+}
+
+void green_thread()
+{
+        if (green == 255)
+                g_rev = true;
+        if (green == 0)
+                g_rev = false;
+        if (!g_rev)
+                green++;analogWrite(greenPin, green);
+        if (g_rev)
+                green--;analogWrite(greenPin, green);
+}
+
+
+void blue_thread()
+{
+        if (blue == 255)
+                b_rev = true;
+        if (blue == 0)
+                b_rev = false;
+        if (!b_rev)
+                blue++;analogWrite(bluePin, blue);
+        if (b_rev)
+                blue--;analogWrite(bluePin, blue);
+}
+
+
+void loop()
+{
+	if (r_fade.shouldRun())
+		r_fade.run();
+	if (g_fade.shouldRun())
+                g_fade.run();
+	if (b_fade.shouldRun())
+                b_fade.run();
+
+	/* read serial data */
+	while (Serial.available() > 1)
+	{
+
+		red = Serial.parseInt();
+		green = Serial.parseInt();
+		blue = Serial.parseInt();
+		analogWrite(redPin, red);
+		analogWrite(greenPin, green);
+		analogWrite(bluePin, blue);
+	}
 }
-- 
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