diff options
| -rw-r--r-- | main.ino | 57 |
1 files changed, 54 insertions, 3 deletions
@@ -38,13 +38,31 @@ EasyButton button_select(BUTTON_PIN_SELECT); #include <GxEPD2_BW.h> #include <Fonts/FreeMonoBold9pt7b.h> -#include <U8g2_for_Adafruit_GFX.h> // source: https://github.com/ZinggJM/GxEPD2/blob/master/examples/GxEPD2_Example/GxEPD2_display_selection.h#L192 GxEPD2_BW<GxEPD2_290, GxEPD2_290::HEIGHT> displayEPaper(GxEPD2_290(EPD_CS, EPD_DC, EPD_RSET, EPD_BUSY)); -U8G2_FOR_ADAFRUIT_GFX u8g2; +#include <GEM_adafruit_gfx.h> +// Create variables that will be editable through the menu and assign them initial values +int number = -512; +boolean enablePrint = false; + +// Create two menu item objects of class GEMItem, linked to number and enablePrint variables +GEMItem menuItemInt("Number:", number); +GEMItem menuItemBool("Enable print:", enablePrint); + +// Create menu button that will trigger printData() function. It will print value of our number variable +// to Serial monitor if enablePrint is true. We will write (define) this function later. However, we should +// forward-declare it in order to pass to GEMItem constructor +void printData(); // Forward declaration +GEMItem menuItemButton("Print", printData); + +// Create menu page object of class GEMPage. Menu page holds menu items (GEMItem) and represents menu level. +// Menu can have multiple menu pages (linked to each other) with multiple menu items each +GEMPage menuPageMain("Main Menu"); + +GEM_adafruit_gfx menu(displayEPaper, GEM_POINTER_ROW, GEM_ITEMS_COUNT_AUTO); #endif void setup() { @@ -64,7 +82,19 @@ void setup() { led.breathe(2000); displayEPaper.init(115200, true, 2, false); - u8g2.begin(displayEPaper); + displayEPaper.setTextColor(GxEPD_BLACK); + displayEPaper.firstPage(); + do + { + displayEPaper.fillScreen(GxEPD_WHITE); + // comment out next line to have no or minimal Adafruit_GFX code + displayEPaper.print("Hello World!"); + } + while (displayEPaper.nextPage()); + + menu.init(); + setupMenu(); + menu.drawMenu(); } void loop() { @@ -96,3 +126,24 @@ void onButtonSelectPressed() { Serial.println("button SELECT clicked"); led.on(); } + +void setupMenu() { + // Add menu items to menu page + menuPageMain.addMenuItem(menuItemInt); + menuPageMain.addMenuItem(menuItemBool); + menuPageMain.addMenuItem(menuItemButton); + + // Add menu page to menu and set it as current + menu.setMenuPageCurrent(menuPageMain); +} + +void printData() { + // If enablePrint flag is set to true (checkbox on screen is checked)... + if (enablePrint) { + // ...print the number to Serial + Serial.print("Number is: "); + Serial.println(number); + } else { + Serial.println("Printing is disabled, sorry:("); + } +} |