#include <U8g2lib.h>
U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g(U8G2_R0);
// 'icon_3dcube', 16x16px
static const unsigned char bitmap_icon_3dcube [] PROGMEM = {
0x00, 0x00, 0x80, 0x01, 0xe0, 0x06, 0x98, 0x18, 0x86, 0x60, 0x8a, 0x50, 0xa2, 0x45, 0x82, 0x40,
0xa2, 0x44, 0x82, 0x40, 0xa2, 0x45, 0x8a, 0x50, 0x86, 0x60, 0x98, 0x18, 0xe0, 0x06, 0x80, 0x01
};
// 'icon_battery', 16x16px
static const unsigned char bitmap_icon_battery [] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x1f, 0x02, 0x20, 0xda, 0x66, 0xda, 0x66,
0xda, 0x66, 0x02, 0x20, 0xfc, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// 'icon_dashboard', 16x16px
static const unsigned char bitmap_icon_dashboard [] PROGMEM = {
0xe0, 0x07, 0x18, 0x18, 0x84, 0x24, 0x0a, 0x40, 0x12, 0x50, 0x21, 0x80, 0xc1, 0x81, 0x45, 0xa2,
0x41, 0x82, 0x81, 0x81, 0x05, 0xa0, 0x02, 0x40, 0xd2, 0x4b, 0xc4, 0x23, 0x18, 0x18, 0xe0, 0x07
};
// 'icon_fireworks', 16x16px
static const unsigned char bitmap_icon_fireworks [] PROGMEM = {
0x00,0x00,0x00,0x10,0x00,0x29,0x08,0x10,0x08,0x00,0x36,0x00,0x08,0x08,0x08,0x08,
0x00,0x00,0x00,0x63,0x00,0x00,0x00,0x08,0x20,0x08,0x50,0x00,0x20,0x00,0x00,0x00
};
// 'icon_gps_speed', 16x16px
static const unsigned char bitmap_icon_gps_speed [] PROGMEM = {
0x00, 0x00, 0xc0, 0x0f, 0x00, 0x10, 0x80, 0x27, 0x00, 0x48, 0x00, 0x53, 0x60, 0x54, 0xe0, 0x54,
0xe0, 0x51, 0xe0, 0x43, 0xe0, 0x03, 0x50, 0x00, 0xf8, 0x00, 0x04, 0x01, 0xfe, 0x03, 0x00, 0x00
};
// 'icon_knob_over_oled', 16x16px
static const unsigned char bitmap_icon_knob_over_oled [] PROGMEM = {
0x00, 0x00, 0xf8, 0x0f, 0xc8, 0x0a, 0xd8, 0x0d, 0x88, 0x0a, 0xf8, 0x0f, 0xc0, 0x01, 0x80, 0x00,
0x00, 0x00, 0x90, 0x04, 0x92, 0x24, 0x04, 0x10, 0x00, 0x80, 0x01, 0x40, 0x00, 0x00, 0x00, 0x00
};
// 'icon_parksensor', 16x16px
static const unsigned char bitmap_icon_parksensor [] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x44, 0x00, 0xa4, 0x00, 0x9f, 0x00, 0x00, 0x81,
0x30, 0xa1, 0x48, 0xa9, 0x4b, 0xa9, 0x30, 0xa0, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// 'icon_turbo', 16x16px
static const unsigned char bitmap_icon_turbo [] PROGMEM = {
0x00, 0x70, 0xe0, 0x8f, 0x18, 0x80, 0x04, 0x80, 0x02, 0x80, 0xc2, 0x8f, 0x21, 0x72, 0x51, 0x05,
0x91, 0x44, 0x51, 0x45, 0x21, 0x42, 0xc2, 0x21, 0x02, 0x20, 0x04, 0x10, 0x18, 0x0c, 0xe0, 0x03
};
// Array of all bitmaps for convenience. (Total bytes used to store images in PROGMEM = 384)
static const unsigned char* bitmap_icons[8] = {
bitmap_icon_3dcube,
bitmap_icon_battery,
bitmap_icon_dashboard,
bitmap_icon_fireworks,
bitmap_icon_gps_speed,
bitmap_icon_knob_over_oled,
bitmap_icon_parksensor,
bitmap_icon_turbo
};
// 'scrollbar_background', 8x64px
static const unsigned char bitmap_scrollbar_background [] PROGMEM = {
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02,
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02,
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02,
0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00
};
// 'item_sel_outline', 128x21px
static const unsigned char bitmap_item_sel_outline [] PROGMEM = {
0xf8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xfc, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0xf8, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03
};
// ------------------ end generated bitmaps from image2cpp ---------------------------------
const int NUM_ITEMS = 8; // number of items in the list and also the number of screenshots and screenshots with QR codes (other screens)
const int MAX_ITEM_LENGTH = 20; // maximum characters for the item name
char menu_items [NUM_ITEMS] [MAX_ITEM_LENGTH] = { // array with item names
{ "3D Cube" },
{ "Battery" },
{ "Dashboard" },
{ "Fireworks" },
{ "GPS Speed" },
{ "Big Knob" },
{ "Park Sensor" },
{ "Turbo Gauge" }
};
// note - when changing the order of items above, make sure the other arrays referencing bitmaps
// also have the same order, for example array "bitmap_icons" for icons, and other arrays for screenshots and QR codes
#define BUTTON_UP_PIN 12 // pin for UP button
#define BUTTON_SELECT_PIN 8 // pin for SELECT button
#define BUTTON_DOWN_PIN 4 // pin for DOWN button
#define DEMO_PIN 13 // pin for demo mode, use switch or wire to enable or disable demo mode, see more details below
int button_up_clicked = 0; // only perform action when button is clicked, and wait until another press
int button_select_clicked = 0; // same as above
int button_down_clicked = 0; // same as above
int item_selected = 0; // which item in the menu is selected
int item_sel_previous; // previous item - used in the menu screen to draw the item before the selected one
int item_sel_next; // next item - used in the menu screen to draw next item after the selected one
int current_screen = 0; // 0 = menu, 1 = screenshot, 2 = qr
int demo_mode = 0; // when demo mode is set to 1, it automatically goes over all the screens, 0 = control menu with buttons
int demo_mode_state = 0; // demo mode state = which screen and menu item to display
int demo_mode_delay = 0; // demo mode delay = used to slow down the screen switching
void setup() {
u8g.begin();
// define pins for buttons
// INPUT_PULLUP means the button is HIGH when not pressed, and LOW when pressed
// since it´s connected between some pin and GND
pinMode(BUTTON_UP_PIN, INPUT_PULLUP); // up button
pinMode(BUTTON_SELECT_PIN, INPUT_PULLUP); // select button
pinMode(BUTTON_DOWN_PIN, INPUT_PULLUP); // down button
pinMode(DEMO_PIN, INPUT_PULLUP);
}
void loop() {
// when pin 13 is LOW (DEMO_PIN), enable demo mode
// this could be done either by using a switch
// or simply by connecting the wire between pin 13 and GND
// (those pins are next to each other)
if (digitalRead(DEMO_PIN) == LOW) {
demo_mode = 1; // enable demo mode
}
else {
demo_mode = 0; // disable demo mode
}
if (demo_mode == 1) { // when demo mode is active, automatically switch between all the screens and menu items
demo_mode_delay++; // increase demo mode delay
if (demo_mode_delay > 15) { // after some time, switch to another screen - change this value to make it slower/faster
demo_mode_delay = 0;
demo_mode_state++; // increase counter
if (demo_mode_state >= NUM_ITEMS*3) {demo_mode_state=0;} // jump back to the first screen
}
if (demo_mode_state % 3 == 0) {current_screen = 0; item_selected = demo_mode_state/3; } // menu screen
else if (demo_mode_state % 3 == 1) {current_screen = 1; item_selected = demo_mode_state/3;} // screenshots screen
else if (demo_mode_state % 3 == 2) {current_screen = 2; item_selected = demo_mode_state/3;} // qr codes screen
} // end demo mode section
if (current_screen == 0) { // MENU SCREEN
// up and down buttons only work for the menu screen
if ((digitalRead(BUTTON_UP_PIN) == LOW) && (button_up_clicked == 0)) { // up button clicked - jump to previous menu item
item_selected = item_selected - 1; // select previous item
button_up_clicked = 1; // set button to clicked to only perform the action once
if (item_selected < 0) { // if first item was selected, jump to last item
item_selected = NUM_ITEMS-1;
}
}
else if ((digitalRead(BUTTON_DOWN_PIN) == LOW) && (button_down_clicked == 0)) { // down button clicked - jump to next menu item
item_selected = item_selected + 1; // select next item
button_down_clicked = 1; // set button to clicked to only perform the action once
if (item_selected >= NUM_ITEMS) { // last item was selected, jump to first menu item
item_selected = 0;
}
}
if ((digitalRead(BUTTON_UP_PIN) == HIGH) && (button_up_clicked == 1)) { // unclick
button_up_clicked = 0;
}
if ((digitalRead(BUTTON_DOWN_PIN) == HIGH) && (button_down_clicked == 1)) { // unclick
button_down_clicked = 0;
}
}
if ((digitalRead(BUTTON_SELECT_PIN) == LOW) && (button_select_clicked == 0)) { // select button clicked, jump between screens
button_select_clicked = 1; // set button to clicked to only perform the action once
if (current_screen == 0) {current_screen = 1;} // menu items screen --> screenshots screen
else if (current_screen == 1) {current_screen = 2;} // screenshots screen --> qr codes screen
else {current_screen = 0;} // qr codes screen --> menu items screen
}
if ((digitalRead(BUTTON_SELECT_PIN) == HIGH) && (button_select_clicked == 1)) { // unclick
button_select_clicked = 0;
}
// set correct values for the previous and next items
item_sel_previous = item_selected - 1;
if (item_sel_previous < 0) {item_sel_previous = NUM_ITEMS - 1;} // previous item would be below first = make it the last
item_sel_next = item_selected + 1;
if (item_sel_next >= NUM_ITEMS) {item_sel_next = 0;} // next item would be after last = make it the first
u8g.firstPage();
u8g.setBitmapMode(1);
do {
// selected item background
u8g.drawXBMP(0, 22, 128, 21, bitmap_item_sel_outline);
// draw previous item as icon + label
u8g.setFont(u8g_font_7x14);
u8g.drawStr(25, 15, menu_items[item_sel_previous]);
u8g.drawXBMP( 4, 2, 16, 16, bitmap_icons[item_sel_previous]);
// draw selected item as icon + label in bold font
u8g.setFont(u8g_font_7x14B);
u8g.drawStr(25, 15+20+2, menu_items[item_selected]);
u8g.drawXBMP( 4, 24, 16, 16, bitmap_icons[item_selected]);
// draw next item as icon + label
u8g.setFont(u8g_font_7x14);
u8g.drawStr(25, 15+20+20+2+2, menu_items[item_sel_next]);
u8g.drawXBMP( 4, 46, 16, 16, bitmap_icons[item_sel_next]);
// draw scrollbar background
u8g.drawXBMP(125, 0, 8, 64, bitmap_scrollbar_background);
// draw scrollbar handle
u8g.drawBox(125, 64/NUM_ITEMS * item_selected, 3, 64/NUM_ITEMS);
} while ( u8g.nextPage() );
}