arslan437
commented
1 year ago here is code
#include <GEM_adafruit_gfx.h>
#include <KeyDetector.h>
// Hardware-specific library for ST7735.
// Include library that matches your setup (see https://learn.adafruit.com/adafruit-gfx-graphics-library for details)
// #include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
// Pins the buttons are connected to
const byte downPin = 2;
const byte leftPin = 3;
const byte rightPin = 4;
const byte upPin = 5;
const byte cancelPin = 6;
const byte okPin = 7;
// Array of Key objects that will link GEM key identifiers with dedicated pins
Key keys[] = {{GEM_KEY_UP, upPin}, {GEM_KEY_RIGHT, rightPin}, {GEM_KEY_DOWN, downPin}, {GEM_KEY_LEFT, leftPin}, {GEM_KEY_CANCEL, cancelPin}, {GEM_KEY_OK, okPin}};
// Create KeyDetector object
KeyDetector myKeyDetector(keys, sizeof(keys)/sizeof(Key));
// To account for switch bounce effect of the buttons (if occur) you may want to specify debounceDelay
// as the third argument to KeyDetector constructor:
// KeyDetector myKeyDetector(keys, sizeof(keys)/sizeof(Key), 10);
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C
// Create an instance of the Adafruit GFX library.
// Use constructor that matches your setup (see https://learn.adafruit.com/adafruit-gfx-graphics-library for details).
// ST7735 based display is used in the example.
// This instance is used to call all the subsequent Adafruit GFX functions (internally from GEM library,
// or manually in your sketch if it is required)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
// 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");
// Create menu object of class GEM_adafruit_gfx. Supply its constructor with reference to tft object we created earlier
GEM_adafruit_gfx menu(display, GEM_POINTER_ROW, GEM_ITEMS_COUNT_AUTO);
void setup() {
// Push-buttons pin modes
pinMode(downPin, INPUT);
pinMode(leftPin, INPUT);
pinMode(rightPin, INPUT);
pinMode(upPin, INPUT);
pinMode(cancelPin, INPUT);
pinMode(okPin, INPUT);
// Serial communications setup
Serial.begin(115200);
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
// Show initial display buffer contents on the screen --
// the library initializes this with an Adafruit splash screen.
// display.display();
// delay(2000); // Pause for 2 seconds
// // Clear the buffer
// display.clearDisplay();
// Optionally, rotate display
// tft.setRotation(3); // See Adafruit GFX library documentation for details
// Menu init, setup and draw
menu.init();
setupMenu();
menu.drawMenu();
Serial.println("init done");
}
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 loop() {
// If menu is ready to accept button press...
if (menu.readyForKey()) {
// ...detect key press using KeyDetector library
myKeyDetector.detect();
// Pass pressed button to menu
// (pressed button ID is stored in trigger property of KeyDetector object)
menu.registerKeyPress(myKeyDetector.trigger);
}
}
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:(");
}
}
Spirik
m10653
I am able to run the example adafrute gfx library. I tried to update the GEM library but its only showing dots.