Year Two Project ELEC 2645: Embedded Systems Project Portable Weather Station
Dependencies: BMP180 ConfigFile N5110 PowerControl beep mbed
PressureScreen.h
- Committer:
- OHstin
- Date:
- 2015-05-11
- Revision:
- 0:da2b8c7a1ec1
File content as of revision 0:da2b8c7a1ec1:
/** @file PressureScreen.h */ #ifndef PRESSURESCREEN_H #define PRESSURESCREEN_H #include "ListController.h" #include "Inputs.h" #include "Outputs.h" /** @brief Displays the pressure options on the LCD screen \n @brief It is a list with two selectable options :\n @brief view prs and plot prs\n @brief view prs shows the current pressure along with the sentiment\n @brief prs plot plots the pressure against time on the LCD screen at various intervals\n @author Augustine Kizito K @date April 2015 */ class PressureScreen : 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 the pressure screen */ PressureScreen() :ListController( "Pressure", // Title "View Prs", // Option 1 "Prs Plot", // Option 2 "", // Option 3 "", // Option 4 2) // Number of Options {}; /** Manages the execution of the pressure screen @returns -1 - Navigate to previous screen\n 0 - User selected option 1\n 1 - User selected option 2 */ int start(); }; int PressureScreen::start() { // Activate PullDown Resistors enterButton.mode(PullDown); upButton.mode(PullDown); downButton.mode(PullDown); backButton.mode(PullDown); upButton.rise(this,&PressureScreen::onScrollUp); // call onScrollUp when the up button is pressed downButton.rise(this,&PressureScreen::onScrollDown); // call onScrollDown when the down button is pressed enterButton.rise(this,&PressureScreen::onEnter); // call onEnter when the enter button is pressed backButton.rise(this,&PressureScreen::onBack); // call onBack when the back button is pressed // Launch the List Controller 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); backButton.rise(NULL); return nextScreen; } void PressureScreen::onScrollUp() { if (debounceSuccess()) { // check if debouncing succeeded ListController::scrollUp(); // scroll up debounce.reset(); // reset the debounce timer } } void PressureScreen::onScrollDown() { if (debounceSuccess()) { // check if debouncing succeeded ListController::scrollDown(); // scroll down debounce.reset(); // reset the debounce timer } } void PressureScreen::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 PressureScreen::onBack() { if(debounceSuccess()) { // sound the buzzer playSound(); nextScreen = -1; // go to previous screen changeScreen = true; // user wants to go to a different screen debounce.reset(); } } #endif