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Update WiFiConf
This commit is contained in:
Thomas Farstrike
@@ -4,102 +4,120 @@ import os
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import time
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import lvgl as lv
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class WiFiConf:
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def __init__(self,subwindow):
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self.subwindow=subwindow
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self.wlan=network.WLAN(network.STA_IF)
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self.wlan.active(True)
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self.access_points={}
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self.load_config()
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self.selected_ssid=None
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self.create_ui()
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def load_config(self):
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try:
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os.stat('/data/com.example.wificonf')
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except OSError:
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os.makedirs('/data/com.example.wificonf')
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try:
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with open('/data/com.example.wificonf/conf.json','r') as f:
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self.access_points=ujson.load(f)
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except OSError:
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self.access_points={}
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def save_config(self):
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with open('/data/com.example.wificonf/conf.json','w') as f:
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ujson.dump(self.access_points,f)
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def scan_networks(self):
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networks=self.wlan.scan()
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return [n[0].decode() for n in networks]
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def attempt_connecting(self,ssid,password):
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self.wlan.connect(ssid,password)
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for _ in range(10):
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if self.wlan.isconnected():
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return True
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time.sleep(1)
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return False
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def create_ui(self):
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self.list=lv.list(self.subwindow)
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self.list.set_size(280,300)
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self.list.center()
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self.refresh_list()
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scan_button=lv.button(self.subwindow)
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scan_button.set_size(100,40)
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scan_button.align(lv.ALIGN.TOP_MID,0,10)
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label=lv.label(scan_button)
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label.set_text("Scan")
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scan_button.add_event_cb(self.scan_cb,lv.EVENT.CLICKED,None)
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def refresh_list(self):
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self.list.clean()
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for ssid in self.scan_networks():
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button=self.list.add_button(None,ssid)
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button.add_event_cb(self.select_ssid_cb,lv.EVENT.CLICKED,ssid)
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status="connected" if self.wlan.isconnected() and self.wlan.config('essid')==ssid else \
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"failed" if ssid in self.access_points else ""
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if status:
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label=lv.label(button)
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label.set_text(status)
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label.align(lv.ALIGN.RIGHT_MID,-10,0)
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def scan_cb(self,event):
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self.refresh_list()
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def select_ssid_cb(self,event,ssid):
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self.selected_ssid=ssid
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self.show_password_popup()
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def show_password_popup(self):
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self.popup=lv.obj(self.subwindow)
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self.popup.set_size(260,200)
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self.popup.center()
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self.popup.add_flag(lv.OBJ_FLAG.CLICKABLE)
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label=lv.label(self.popup)
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label.set_text(f"Enter password for {self.selected_ssid}")
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label.align(lv.ALIGN.TOP_MID,0,10)
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self.password_ta=lv.textarea(self.popup)
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self.password_ta.set_size(220,40)
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self.password_ta.align(lv.ALIGN.CENTER,0,-20)
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self.password_ta.set_placeholder_text("Password")
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keyboard=lv.keyboard(self.popup)
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keyboard.set_size(260,100)
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keyboard.align(lv.ALIGN.BOTTOM_MID,0,0)
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keyboard.set_textarea(self.password_ta)
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connect_button=lv.button(self.popup)
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connect_button.set_size(100,40)
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connect_button.align(lv.ALIGN.BOTTOM_LEFT,10,-50)
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label=lv.label(connect_button)
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label.set_text("Connect")
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connect_button.add_event_cb(self.connect_cb,lv.EVENT.CLICKED,None)
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cancel_button=lv.button(self.popup)
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cancel_button.set_size(100,40)
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cancel_button.align(lv.ALIGN.BOTTOM_RIGHT,-10,-50)
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label=lv.label(cancel_button)
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label.set_text("Cancel")
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cancel_button.add_event_cb(self.cancel_cb,lv.EVENT.CLICKED,None)
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def connect_cb(self,event):
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password=self.password_ta.get_text()
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self.access_points[self.selected_ssid]=password
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self.save_config()
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self.popup.delete()
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success=self.attempt_connecting(self.selected_ssid,password)
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self.refresh_list()
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def cancel_cb(self,event):
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self.popup.delete()
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wlan=network.WLAN(network.STA_IF)
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wlan.active(True)
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access_points={}
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selected_ssid=None
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list=None
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password_ta=None
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popup=None
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def load_config():
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try:
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os.stat('/data')
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except OSError:
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os.mkdir('/data')
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try:
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os.stat('/data/com.example.wificonf')
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except OSError:
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os.mkdir('/data/com.example.wificonf')
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try:
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with open('/data/com.example.wificonf/conf.json','r') as f:
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global access_points
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access_points=ujson.load(f)
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except OSError:
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access_points={}
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app=WiFiConf(subwindow)
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def save_config():
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with open('/data/com.example.wificonf/conf.json','w') as f:
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ujson.dump(access_points,f)
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def scan_networks():
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networks=wlan.scan()
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return [n[0].decode() for n in networks]
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def attempt_connecting(ssid,password):
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wlan.connect(ssid,password)
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for _ in range(10):
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if wlan.isconnected():
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return True
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time.sleep(1)
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return False
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def refresh_list():
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list.clean()
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for ssid in scan_networks():
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button=list.add_button(None,ssid)
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button.add_event_cb(lambda e, s=ssid: select_ssid_cb(e,s),lv.EVENT.CLICKED,None)
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status="connected" if wlan.isconnected() and wlan.config('essid')==ssid else "failed" if ssid in access_points else ""
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if status:
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label=lv.label(button)
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label.set_text(status)
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label.align(lv.ALIGN.RIGHT_MID,-10,0)
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def scan_cb(event):
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refresh_list()
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def select_ssid_cb(event,ssid):
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global selected_ssid
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selected_ssid=ssid
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show_password_popup()
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def show_password_popup():
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global popup,password_ta
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popup=lv.obj(subwindow)
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popup.set_size(260,200)
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popup.center()
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popup.add_flag(lv.obj.FLAG.CLICKABLE)
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label=lv.label(popup)
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label.set_text(f"Enter password for {selected_ssid}")
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label.align(lv.ALIGN.TOP_MID,0,10)
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password_ta=lv.textarea(popup)
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password_ta.set_size(220,40)
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password_ta.align(lv.ALIGN.CENTER,0,-20)
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password_ta.set_placeholder_text("Password")
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keyboard=lv.keyboard(popup)
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keyboard.set_size(260,100)
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keyboard.align(lv.ALIGN.BOTTOM_MID,0,0)
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keyboard.set_textarea(password_ta)
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connect_button=lv.button(popup)
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connect_button.set_size(100,40)
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connect_button.align(lv.ALIGN.BOTTOM_LEFT,10,-50)
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label=lv.label(connect_button)
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label.set_text("Connect")
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connect_button.add_event_cb(connect_cb,lv.EVENT.CLICKED,None)
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cancel_button=lv.button(popup)
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cancel_button.set_size(100,40)
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cancel_button.align(lv.ALIGN.BOTTOM_RIGHT,-10,-50)
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label=lv.label(cancel_button)
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label.set_text("Cancel")
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cancel_button.add_event_cb(cancel_cb,lv.EVENT.CLICKED,None)
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def connect_cb(event):
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global access_points
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password=password_ta.get_text()
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access_points[selected_ssid]=password
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save_config()
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popup.delete()
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success=attempt_connecting(selected_ssid,password)
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refresh_list()
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def cancel_cb(event):
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popup.delete()
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def create_ui(subwindow):
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global list
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list=lv.list(subwindow)
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list.set_size(280,300)
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list.center()
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refresh_list()
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scan_button=lv.button(subwindow)
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scan_button.set_size(100,40)
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scan_button.align(lv.ALIGN.TOP_MID,0,10)
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label=lv.label(scan_button)
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label.set_text("Scan")
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scan_button.add_event_cb(scan_cb,lv.EVENT.CLICKED,None)
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load_config()
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subwindow.clean()
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create_ui(subwindow)
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