Diff: Thermostat-LEDUtils.h

Revision:

0:bca7aceedd02

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Thermostat-LEDUtils.h	Tue Nov 05 21:29:58 2013 +0000
@@ -0,0 +1,183 @@
+/* Thermostat-LEDUtils.h */
+/* Copyright (C) 2013 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#ifndef THERMOSTAT_LEDUTILS_H_
+#define THERMOSTAT_LEDUTILS_H_
+
+// LEDs to toggle with control messages
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+// Joystick button (to create an error condition)
+DigitalIn joystick_pressed(p14);
+DigitalIn joystick(p15);        
+
+// Pot 1 for dialing up and down the temperature
+AnalogIn Pot1(p19);
+
+// Pot 2 for dialing up and down the battery level
+AnalogIn Pot2(p20);
+
+// the led's are connected to vcc, so a PwmOut of 100% will shut off the led and 0% will let it shine
+PwmOut r (p23);
+PwmOut g (p24);
+PwmOut b (p25);
+
+// get the int value of the joystick state
+int Thermostat::getErrorState() {
+    if (this->m_error_state)
+        return 1;
+    else
+        return 0;
+}
+
+// function to convert hue , saturation and  value to RGB - then update the RGB LED
+// see http://en.wikipedia.org/wiki/HSL_and_HSV
+void Thermostat::updateRGBLED(float H, float S, float V) {
+    float f,h,p,q,t;
+    int i;
+    if( S == 0.0) {
+        r = 1.0 - V;  // invert pwm !
+        g = 1.0 - V;
+        b = 1.0 - V;
+        return;
+    }
+    if(H > 360.0) H = 0.0;   // check values
+    if(S > 1.0) S = 1.0; 
+    if(S < 0.0) S = 0.0;
+    if(V > 1.0) V = 1.0;
+    if(V < 0.0) V = 0.0;
+    h = H / 60.0;
+    i = (int) h;
+    f = h - i;
+    p = V * (1.0 - S);
+    q = V * (1.0 - (S * f));
+    t = V * (1.0 - (S * (1.0 - f)));
+
+    switch(i) {
+        case 0:
+            r = 1.0 - V;  // invert pwm !
+            g = 1.0 - t;
+            b = 1.0 - p;
+            break;
+        case 1:
+            r = 1.0 - q;
+            g = 1.0 - V;
+            b = 1.0 - p;
+            break;
+        case 2:
+            r = 1.0 - p;
+            g = 1.0 - V;
+            b = 1.0 - t;
+            break;
+        case 3:
+            r = 1.0 - p;
+            g = 1.0 - q;
+            b = 1.0 - V;
+            break;
+        case 4:
+            r = 1.0 - t;
+            g = 1.0 - p;
+            b = 1.0 - V;
+            break;
+        case 5:
+        default:
+            r = 1.0 - V;
+            g = 1.0 - p;
+            b = 1.0 - q;
+            break;
+    }
+}
+
+// set all the LEDs
+void Thermostat::setAllLEDs(int state) {
+    led1.write(state);
+    led2.write(state);
+    led3.write(state);
+    led4.write(state);
+}
+
+// set all the LEDs
+void Thermostat::resetAllLEDs() {
+    this->setAllLEDs(0);
+}
+
+// set all the LEDs
+void Thermostat::blinkAllLEDs() {
+    for(int i=0;i<4;++i) {
+        wait(1.0);
+        this->setAllLEDs(1);
+        this->display("Blinking on...");
+        wait(1.0);
+        this->setAllLEDs(0);
+        this->display("Blinking off...");
+    }
+}
+
+// set the RGB LED color and brightness
+void Thermostat::setRGBLED(double color, double bright) {
+    // set the RGB LED value
+    this->updateRGBLED(color,1.0,bright);
+}
+
+// turn the RGB LED Red
+void Thermostat::turnRGBLEDRed() {
+    this->m_rgbLEDColor = 0.0;
+    this->m_rgbLEDBright = 0.2;
+    this->setRGBLED(this->m_rgbLEDColor,this->m_rgbLEDBright); 
+    this->m_error_state = true;
+}
+
+// turn the RGB LED Green
+void Thermostat::turnRGBLEDGreen() {
+    this->m_rgbLEDColor = 120.0;
+    this->m_rgbLEDBright = 0.2;
+    this->setRGBLED(this->m_rgbLEDColor,this->m_rgbLEDBright); 
+    this->m_error_state = false;
+}
+
+// turn the RGB LED Blue (initializing state)
+void Thermostat::turnRGBLEDBlue() {
+    this->m_rgbLEDColor = 200.0;
+    this->m_rgbLEDBright = 0.2;
+    this->setRGBLED(this->m_rgbLEDColor,this->m_rgbLEDBright); 
+    this->m_error_state = false;
+}
+
+// blink an LED
+void Thermostat::blinkLED(DigitalOut led) {
+    led = 1;
+    wait(0.2);
+    led = 0;
+}
+
+// blink the Transport TX LED
+void Thermostat::blinkTransportTxLED() {
+    this->blinkLED(led1);
+}
+
+// blink the Transport RX LED
+void Thermostat::blinkTransportRxLED() {
+    this->blinkLED(led2);
+}
+
+
+#endif // THERMOSTAT_LEDUTILS_H_
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