37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
from lcdMenu import lcdMenu
|
|
from machine import Pin, I2C
|
|
from PCF8574T import I2C_LCD
|
|
|
|
prev_btn = Pin(13, Pin.IN, Pin.PULL_DOWN) # input of the first btn
|
|
next_btn = Pin(14, Pin.IN, Pin.PULL_DOWN) # input of the second btn
|
|
ok_btn = Pin(15, Pin.IN, Pin.PULL_DOWN) # input of switch
|
|
|
|
LCD = I2C_LCD(I2C(0, sda=Pin(8), scl=Pin(9), freq=400000),0x27,2, 16)
|
|
|
|
def first_callback():
|
|
print("first_callback() called!")
|
|
def second_cb():
|
|
print("second_cb() called")
|
|
def third_cb():
|
|
print("third_cb() called")
|
|
return True
|
|
|
|
|
|
button_mappings = {"prev_btn":prev_btn, "next_btn": next_btn, "ok_btn": ok_btn}
|
|
|
|
submenu = lcdMenu(LCD, button_mappings, scroll_direction=True, cycle=False, hide_menu_name=False, name="Submenu!")
|
|
# the submenu.stop callback is a special callback specifically designed for use cases where the lcdMenu ist started with run()
|
|
# submenu.stop breaks an infinite loop inside the run() method, essentially quitting the run() method and giving back flow to the caller context
|
|
# so we can utilize this for us to quit a submenu (or a "main" menu if you want to, of course!)
|
|
submenuItems = [("first item", first_callback),
|
|
("second item", second_cb),
|
|
("third item", third_cb),
|
|
("back", submenu.stop)]
|
|
submenu.setup(submenuItems)
|
|
|
|
mainmenu = lcdMenu(LCD, button_mappings, scroll_direction=False, cycle=True, hide_menu_name=False, name="Main menu!")
|
|
mainmenu.setup([("Sub menu",submenu.run)])
|
|
|
|
mainmenu.run()
|
|
|