Year Two Project ELEC 2645: Embedded Systems Project Portable Weather Station
Dependencies: BMP180 ConfigFile N5110 PowerControl beep mbed
SettingsScreen.h
- Committer:
- OHstin
- Date:
- 2015-05-11
- Revision:
- 0:da2b8c7a1ec1
File content as of revision 0:da2b8c7a1ec1:
/** @file SettingsScreen.h */ #ifndef SETTINGSSCREEN_H #define SETTINGSSCREEN_H #include "ListController.h" #include "Inputs.h" /** @brief Displays the settings on the LCD screen \n @brief It is a list with three selectable options :\n @brief brightness, sound fx and battery status\n @brief brightness allows the user to set the LCD backlight brightness to \n @brief 100%, 50%, 25% and Off\n @brief sound fx allows the user to turn on or off the sound, i.e the buzzer\n @brief both brightness and sound settings are persistent, i.e the preseved when the mbed is turned off\n @brief battery status is only shows the current battery voltage and along with the sentiment\n @author Augustine Kizito K @date April 2015 */ class SettingsScreen : public ListController // inherit the list Controller properties { private: bool changeScreen; // tracks if the user pressed a button that changes the screen int nextScreen; // tracks whether the user wants to go to //the previous screen or next screen void onScrollUp(); // user pressed the scroll up button void onScrollDown(); // user pressed the scroll down button void onEnter(); // user pressed the enter button void onBack(); // user pressed the back button public: /** Creates an instance of a Setttings Screen */ SettingsScreen() :ListController( "Settings", // Title "Brightness", // Option 1 "Sound FX", // Option 2 "Battery Status", // Option 3 "", // Option 4 3) // Number of Options {}; /** Manages the execution of the Settings Screen @returns -1 - Navigate to previous screen\n 0 - User selected option 1\n 1 - User selected option 2\n 2 - User selected option 3 */ int start(); }; int SettingsScreen::start() { // Activate PullDown Resistors enterButton.mode(PullDown); upButton.mode(PullDown); downButton.mode(PullDown); backButton.mode(PullDown); upButton.rise(this,&SettingsScreen::onScrollUp); // call onScrollUp when the up button is pressed downButton.rise(this,&SettingsScreen::onScrollDown); // call onScrollDown when the down button is pressed enterButton.rise(this,&SettingsScreen::onEnter); // call onEnter when the enter button is pressed backButton.rise(this,&SettingsScreen::onBack); // call onBack when the back button is pressed ListController::showInfo(); changeScreen = false; debounce.start(); // start the debounce timer while(!changeScreen) { // mbed goes to sleep to save power Sleep(); } // detach all interrupts upButton.rise(NULL); downButton.rise(NULL); enterButton.rise(NULL); return nextScreen; } void SettingsScreen::onScrollUp() { if (debounceSuccess()) { // check if debouncing succeeded ListController::scrollUp(); // scroll up debounce.reset(); // reset the debounce timer } } void SettingsScreen::onScrollDown() { if (debounceSuccess()) { // check if debouncing succeeded ListController::scrollDown(); // scroll down debounce.reset(); // reset the debounce timer } } void SettingsScreen::onEnter() { if (debounceSuccess()) { // check if debouncing succeeded // sound the buzzer playSound(); nextScreen = ListController::getCurrentOption(); // get the option that user selected changeScreen = true; // user wants to go to a different screen debounce.reset(); // reset the debounce timer } } void SettingsScreen::onBack() { if(debounceSuccess()) { // sound the buzzer playSound(); nextScreen = -1; // go to previous screen changeScreen = true; // user wants to go to a different screen // reset the debounce timer debounce.reset(); } } #endif