Diff: src/SensorData.cpp

Revision:

0:4b83b332b327

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/SensorData.cpp	Fri Feb 24 11:25:05 2017 +0000
@@ -0,0 +1,264 @@
+/* Developed by Jean-Paul Saysana - jls44 - MSc Student in Computer Security */
+/* Internet of Things and Mobile Devices - CO838 University of Kent         */
+/* Class SensorData which is the main Object of this project            */
+/* It contains every objects and sensor of this project and combine it together*/
+
+#include "SensorData.h"
+
+/* Instantiate UP, DOWN, BACK(SW2), ENTER(SW3) buttons. */
+InterruptIn up(A2);
+InterruptIn down(A3);
+InterruptIn enter(D4);
+InterruptIn pause(SW2);
+InterruptIn back(SW3);
+
+/* Instantiate the potentiometer and the serial host to communicate with a computer. */
+AnalogIn pot (A1);
+Serial host(USBTX, USBRX);
+
+/* Initialize the object lcd, speaker, compass and led */
+SensorData::SensorData() : lcd(D11, D13, D12, D7, D10), speaker(D6),
+                            compass(FXOS8700CQ_SLAVE_ADDR1), led(D5, D8, D9) {
+    /* Setting every value to default, the position of the selector at 0 */
+    pos = 0;
+    /* Point temperature */
+    epage = TEMPERATURE;
+    /* setting the wait time to 0.7s by default */
+    delay = 0.7;
+    /* if quit == 3, end the program */
+    quit = 0;
+    /* pause variable set to false */
+    pause_sensor = false;
+}
+
+/* Init the interruption commmand */
+void SensorData::InitCommand() {
+    up.rise(callback(this, &SensorData::Up));
+    down.rise(callback(this, &SensorData::Down));
+    enter.rise(callback(this, &SensorData::Enter));
+    pause.rise(callback(this, &SensorData::Pause));
+    back.rise(callback(this, &SensorData::Back));
+}
+
+/* Method that start the SensorData  */
+void SensorData::Start() {
+    /* Display the welcome animation when user start the mbed card. */
+    lcd.Welcome();
+    /* Initialize the buttons(interruptions) */
+    InitCommand();
+    /* Display the menu selection */
+    MenuSelection();
+    /* Loop indefinetly until user quit the program. */
+    while(quit < 3) {
+        /* Main loop checking the position of the user */
+        MainLoop();
+        /* Waiting delay time for user display */
+        wait(delay);
+    }
+    lcd.PrintQuit();
+}
+
+/* Change LED color depending on the degree of the potentiometer */
+void SensorData::ChangeLED() {
+    if ((float)pot < 0.20f) {
+        return led.SwitchOffAll();
+    }
+    else if ((float)pot > 0.80f) {
+        return led.SwitchOn(LED::BLUE);
+    }
+    else if ((float)pot > 0.60f) {
+        return led.SwitchOn(LED::GREEN);
+    }
+    else if ((float)pot > 0.40f) {
+        return led.SwitchOn(LED::RED);
+    }
+}
+
+/* Main loop that check the page of the player */
+void SensorData::MainLoop() {
+    switch (epage) {
+/* if the player clicked on "Current temperature", it displays the temperature */
+        case ENTER_TEMP:
+            if (!pause_sensor) {
+                DisplayTemperature();
+            }
+            break;
+/* if the player clicked on "Compass", it displays the compass */
+        case ENTER_COMPASS:
+            if (!pause_sensor) {
+                DisplayCompass();
+            }
+            break;
+        default:
+            break;
+    }
+    /* Checking  */
+    ChangeLED();
+}
+
+/* Display the temperature in the LCD screen */
+void SensorData::DisplayTemperature() {
+    lcd.Clear();
+    /* Get the temperature unit. If it's in fahrenheit, unit character is 'F'
+        Otherwise, it's set to 'C'. */
+    char t_unit = (ts.IsFahrenheit() == true ? 'F' : 'C');
+    /* Print in the LCD screen. */
+    lcd.PrintDelay(delay);
+    lcd.PrintTemperature(ts.GetTemperature(), t_unit);
+    /* Report temperature over USB Serial link*/
+    host.printf("Temperature is %.2f %c \r\n", ts.GetTemperature(), t_unit);
+}
+
+/* Display compass */
+void SensorData::DisplayCompass() {
+    lcd.Clear();
+    /* Get compass angle */
+    float angle = compass.GetCompass();
+    /* If the angle is below or between certains values. */
+    /* the dir variable will store the direction. */
+    std::string dir = "";
+    if (angle > 45 && angle <= 135) {       dir = "East"; }
+    else if (angle > 135 && angle <= 225) { dir = "South"; }
+    else if (angle > 225 && angle <= 315) { dir = "West"; }
+    else {                                  dir = "North"; }
+    lcd.PrintDelay(delay);
+    lcd.PrintCompass(angle, dir);
+    host.printf("Compass angle = %.2f - Direction = %s \r\n", compass.GetCompass(), dir.c_str());
+}
+
+/* Interruption with enter button */
+void SensorData::Enter() {
+    // set quit variable at 0
+    quit = 0;
+    /* play sound, enter to the page, switch mode for the temperature. */
+    speaker.Fire();
+    switch (epage) {
+        case TEMPERATURE:
+            epage = ENTER_TEMP;
+            break;
+        case COMPASS:
+            epage = ENTER_COMPASS;
+            break;
+        case MUSIC:
+            speaker.PlayMusic();
+            break;
+        case ENTER_TEMP:
+            ts.SwitchMode();
+            break;
+        case ENTER_COMPASS:
+            break;
+        default:
+            break;
+    }
+}
+
+void SensorData::SwitchPause() {
+    pause_sensor = (pause_sensor == false ? true : false);
+}
+
+/* Press back, show back menu selection */
+void SensorData::Pause() {
+    speaker.Fire();
+    switch (epage) {
+        case ENTER_COMPASS:
+            SwitchPause();
+            break;
+        case ENTER_TEMP:
+            SwitchPause();
+            break;            
+        default:
+            break;
+    }
+}
+
+/* Press back, show back menu selection */
+void SensorData::Back() {
+    pause_sensor = false;
+    speaker.Fire();
+    switch (epage) {
+        case ENTER_COMPASS:
+            epage = COMPASS;
+            break;
+        case ENTER_TEMP:
+            epage = TEMPERATURE;
+            break;            
+        default:
+            ++quit;
+            break;
+    }
+    MenuSelection();
+}
+
+/* Press up button, change delay if entered somewhere else change selector position */
+void SensorData::Up() {
+    // set variable quit at 0
+    quit = 0;
+    switch (epage) {
+        case ENTER_TEMP:
+            if (delay < 2) {
+                delay += 0.1f;
+            }
+            break;
+        case ENTER_COMPASS:
+            if (delay < 2) {
+                delay += 0.1f;
+            }
+            break;
+        default:
+            if (pos > 0) {
+                --pos;
+                ChangePosition();
+            }
+        break;
+    }
+}
+
+/* press down and change position*/
+void SensorData::Down() {
+    // set variable quit at 0
+    quit = 0;
+    switch (epage) {
+        case ENTER_TEMP:
+            if (delay > 0.4f) {
+                delay -= 0.1f;
+            }
+            break;
+        case ENTER_COMPASS:
+            if (delay > 0.4f) {
+                delay -= 0.1f;
+            }
+            break;
+        default:
+            if (pos < MUSIC) {
+                ++pos;
+                ChangePosition();
+            }
+            break;
+    }
+}
+
+/* change epage position */
+void SensorData::ChangePosition() {
+    switch (pos) {
+        case TEMPERATURE:
+            epage = TEMPERATURE;
+            break;
+        case COMPASS:
+            epage = COMPASS;
+            break;
+        case MUSIC:
+            epage = MUSIC;
+            break;
+        default:
+            break;
+    }
+    MenuSelection();
+    speaker.Move();
+}
+
+/* Print menu selection */
+void SensorData::MenuSelection() {
+    wait(0.1);
+    lcd.Clear();
+    lcd.PrintMenu(pos);
+}