BOARDS/CARDPUTER CircuitPython/wifi_switcher/code.py

from keyb import Keyboard # type: ignore
import time, os, rtc, json, wifi, supervisor # type: ignore
import board, busio, sdcardio, storage, terminalio, displayio # type: ignore
from adafruit_display_text import label # type: ignore
from adafruit_display_shapes.rect import Rect # type: ignore

### DEFAULT HOME PAGE # # # # # # # # # #
def home():
    title_label.text = "Home"
    title_label.x = 10
    title_label.y = 14

    ip_label.text = my_ip
    ip_label.x = 160
    ip_label.y = 20

    page_label.text = """
1 - User Info
2 - Make Post 
    """
    page_label.x = 5
    page_label.y = 30

# # # # # # # # # # # # # # # # # # 

keyb = Keyboard()


# SET UP DISPLAY & WIFI
display = board.DISPLAY
display_group = displayio.Group()
display.root_group = display_group

wifi_options = [[os.getenv("WIFI1"),os.getenv("WIFIPW1")],
                [os.getenv("WIFI2"),os.getenv("WIFIPW2")],
                [os.getenv("WIFI3"),os.getenv("WIFIPW3")]]


h1 = label.Label(terminalio.FONT, text="Hello!", color=0xffffff, scale=2)
h1.x = 10
h1.y = 15

count = 0
menu_labs = []
for option in wifi_options:
    if count == 0:
        menu_lab = label.Label(terminalio.FONT, text = "> " + option[0], color=0xffffff, scale=1)
    else:
        menu_lab = label.Label(terminalio.FONT, text = option[0], color=0xffffff, scale=1)
    menu_lab.x = 10
    menu_lab.y = 35 + count * 10
    display.root_group.append(menu_lab)
    menu_labs.append(menu_lab)
    count+=1

display.root_group.append(h1)

pos = 0
while True:
    key = keyb.scan()
    if key == "UP":
        if pos == 0:
            pass
        else:
            menu_labs[pos].text = wifi_options[pos][0]
            pos -= 1
        menu_labs[pos].text = "> " + wifi_options[pos][0]
    elif key == "DOWN":
        if pos == len(wifi_options)-1:
            pass
        else:
            menu_labs[pos].text = wifi_options[pos][0]
            pos += 1
        menu_labs[pos].text = "> " + wifi_options[pos][0]
    elif key == "\n":
        WIFI_SSID = wifi_options[pos][0]
        WIFI_PASS = wifi_options[pos][1]
        break

try:
    for lab in menu_labs:
        display.root_group.remove(lab)

    txt = label.Label(terminalio.FONT, text = "", color=0x00ff00, scale=1)
    txt.text = "Connecting to " + WIFI_SSID + "..."
    txt.x = 10
    txt.y = 35
    display.root_group.append(txt)

    wifi.radio.connect(ssid=WIFI_SSID,
                    password=WIFI_PASS)
    my_ip = str(wifi.radio.ipv4_address).strip()

    display.root_group.remove(h1)
    display.root_group.remove(txt)
except ConnectionError as e:
    h1.text = "Aw..."
    
    txt.text = "Could not connect to " + WIFI_SSID
    txt.color = 0xff0000
    txt.x = 10
    txt.y = 35

    txt2 = label.Label(terminalio.FONT, text = "", color=0x89a0a8, scale=1)
    txt2.text = "Press CTRL + C followed by CTRL + D\nto soft-reboot"
    txt2.x = 10
    txt2.y = 100
    
    display.root_group.append(txt2)
    
    while True:
        pass


# SET UP SD CARD
spi = busio.SPI(board.SD_SCK, MOSI=board.SD_MOSI, MISO=board.SD_MISO)
cs = board.SD_CS

try:
    sdcard = sdcardio.SDCard(spi, cs)
    vfs = storage.VfsFat(sdcard)

    storage.mount(vfs, "/sd") # access files on sd card here
except OSError:
    pass # SD card not inserted/found




# Header Bar
rect = Rect(0, 0, 238, 30, fill=0x1f4476)
display.root_group.append(rect)

# Page Title
title_font = terminalio.FONT
title_color = 0xffffff
title_label = label.Label(title_font, text="Home", color=title_color, scale=2)
display.root_group.append(title_label)


# Page Text
page_font = terminalio.FONT
page_color = 0xffffff
page_label = label.Label(page_font, text="page_text", color=page_color, scale=1)
display.root_group.append(page_label)

# IP Label
ip_font = terminalio.FONT
ip_color = 0x89a0a8
ip_label = label.Label(ip_font, text="0.0.0.0", color=ip_color, scale=1)
display.root_group.append(ip_label)

home()


## PROGRAM MAIN LOOP (WORKS FROM HOME PAGE IF OTHER PAGES HAVE THEIR OWN LOOPS)
while True:
    key = keyb.scan()