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wificonf: scan for networks in separate thread

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This commit is contained in:
Thomas Farstrike
2025-05-07 12:36:05 +02:00
parent c75e2a6cf1
commit 39c44c1290
1 changed files with 58 additions and 30 deletions
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internal_filesystem/builtin/apps/com.example.wificonf/assets/wificonf.py
+58 -30
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@@ -5,9 +5,12 @@ import ujson
import os
import time
import lvgl as lv
import _thread
wlan=network.WLAN(network.STA_IF)
wlan.active(True)
ssids=[]
busy_scanning=False
access_points={}
selected_ssid=None
@@ -16,10 +19,14 @@ password_ta=None
password_page=None
keyboard=None
error_label=None
scanning_label=None
connect_button=None
cancel_button=None
scan_button=None
scan_button_label=None
scan_button_scan_text = "Scan"
scan_button_scanning_text = "Scanning..."
def load_config():
print("load_config: Checking for /data directory")
try:
@@ -55,22 +62,41 @@ def save_config():
show_error("Failed to save config")
print("save_config: Failed to save config")
def scan_done_callback():
print("scan_done_callback called")
global busy_scanning, scan_button_label
refresh_list()
scan_button_label.set_text(scan_button_scan_text)
scan_button.add_flag(lv.obj.FLAG.CLICKABLE)
busy_scanning = False
def scan_networks():
print("scan_networks: Showing scanning label")
scanning_label.remove_flag(lv.obj.FLAG.HIDDEN)
scanning_label.set_text("Scanning...")
print("scan_networks: Scanning for Wi-Fi networks")
global ssids
try:
networks=wlan.scan()
ssids=[n[0].decode() for n in networks]
print(f"scan_networks: Found networks: {ssids}")
scanning_label.add_flag(lv.obj.FLAG.HIDDEN)
return ssids
except Exception as e:
print(f"scan_networks: Scan failed: {e}")
show_error("Wi-Fi scan failed")
scanning_label.add_flag(lv.obj.FLAG.HIDDEN)
return []
scan_done_callback()
def start_scan_networks():
print("scan_networks: Showing scanning label")
global scan_button_label, busy_scanning, scan_button
if busy_scanning:
print("Not scanning for networks because already busy_scanning...")
else:
busy_scanning = True
scan_button.remove_flag(lv.obj.FLAG.CLICKABLE)
scan_button_label.set_text(scan_button_scanning_text)
_thread.start_new_thread(scan_networks, ())
def attempt_connecting(ssid,password):
print(f"attempt_connecting: Attempting to connect to SSID: {ssid}")
@@ -98,14 +124,18 @@ def show_error(message):
timer.set_repeat_count(1)
def refresh_list():
global ssids
print("refresh_list: Clearing current list")
list.clean()
print("refresh_list: Populating list with scanned networks")
for ssid in scan_networks():
for ssid in ssids:
if len(ssid) == 0:
print(f"Skipping empty SSID: {ssid}")
continue
print(f"refresh_list: Adding SSID: {ssid}")
button=list.add_button(None,ssid)
button.add_event_cb(lambda e, s=ssid: select_ssid_cb(e,s),lv.EVENT.CLICKED,None)
status="connected" if wlan.isconnected() and wlan.config('essid')==ssid else "failed" if ssid in access_points else ""
status="connected" if wlan.isconnected() and wlan.config('essid')==ssid else "saved" if ssid in access_points else ""
if status:
print(f"refresh_list: Setting status '{status}' for SSID: {ssid}")
label=lv.label(button)
@@ -114,7 +144,7 @@ def refresh_list():
def scan_cb(event):
print("scan_cb: Scan button clicked, refreshing list")
refresh_list()
start_scan_networks()
def select_ssid_cb(event,ssid):
global selected_ssid
@@ -173,17 +203,19 @@ def show_password_page(ssid):
keyboard.add_event_cb(keyboard_cb,lv.EVENT.READY,None)
print("show_password_page: Creating Connect button")
connect_button=lv.button(password_page)
connect_button.set_size(80,30)
connect_button.set_size(100,40)
connect_button.align(lv.ALIGN.BOTTOM_LEFT,10,-40)
label=lv.label(connect_button)
label.set_text("Connect")
label.center()
connect_button.add_event_cb(connect_cb,lv.EVENT.CLICKED,None)
print("show_password_page: Creating Cancel button")
cancel_button=lv.button(password_page)
cancel_button.set_size(80,30)
cancel_button.set_size(100,40)
cancel_button.align(lv.ALIGN.BOTTOM_RIGHT,-10,-40)
label=lv.label(cancel_button)
label.set_text("Cancel")
label.set_text("Close")
label.center()
cancel_button.add_event_cb(cancel_cb,lv.EVENT.CLICKED,None)
print("show_password_page: Loading password page")
lv.screen_load(password_page)
@@ -213,7 +245,7 @@ def cancel_cb(event):
lv.screen_load(appscreen)
def create_ui():
global list,appscreen,error_label,scanning_label
global list,appscreen,error_label,scan_button_label,scan_button
print("create_ui: Creating list widget")
list=lv.list(appscreen)
list.set_size(lv.pct(100),180)
@@ -223,28 +255,24 @@ def create_ui():
error_label.set_text("")
error_label.align(lv.ALIGN.BOTTOM_MID,0,-40)
error_label.add_flag(lv.obj.FLAG.HIDDEN)
print("create_ui: Creating scanning label")
scanning_label=lv.label(appscreen)
scanning_label.set_text("Scanning...")
scanning_label.align(lv.ALIGN.CENTER,0,0)
scanning_label.add_flag(lv.obj.FLAG.HIDDEN)
print("create_ui: Creating Scan button")
scan_button=lv.button(appscreen)
scan_button.set_size(80,30)
scan_button.set_size(100,30)
scan_button.align(lv.ALIGN.BOTTOM_MID,0,-5)
label=lv.label(scan_button)
label.set_text("Scan")
scan_button_label=lv.label(scan_button)
scan_button_label.set_text(scan_button_scan_text)
scan_button_label.center()
scan_button.add_event_cb(scan_cb,lv.EVENT.CLICKED,None)
#print("create_ui: Attempting auto-connect")
#auto_connect()
print("create_ui: Refreshing list with initial scan")
refresh_list()
print("create_ui: Loading config")
load_config()
wlan=network.WLAN(network.STA_IF)
wlan.active(True)
load_config()
create_ui()
start_scan_networks()
#import time
#while appscreen == lv.screen_active() or password_page == lv.screen_active():