debug

.gitignore

@@ -1,4 +1,5 @@
 .buildozer/*
 bin/*
 pong.kv
-test.py
+test.py
+web/

main.py

@@ -5,6 +5,8 @@ from kivy.uix.gridlayout import GridLayout
 from kivy.uix.label import Label
 from kivy.uix.textinput import TextInput
 from kivy.lang import Builder
+from kivy.clock import Clock
+from kivy.properties import BooleanProperty
 import asyncio
 from bleak import BleakClient,BleakScanner
 import time
@@ -14,30 +16,36 @@ import time
 STM32_UUID = "00001101-0000-1000-8000-00805F9B34FB"
 
 class InfoWidget(Widget): 
-    # def __init__(self, **kwargs):
-    #     super(InfoWidget, self).__init__(**kwargs)
+    def __init__(self, **kwargs):
+        super(InfoWidget, self).__init__(**kwargs)
+        self.last_flag = False
+        self.flag = False
+        self.scanning = Label(text="Scanning...",font_size=100,top=self.top)
+        self.devices = None
+        
 
-    async def discover_devices(self):
-        # scanning = Label(text="Scanning...",font_size=100,top=self.top)
+    def update(self, dt):
+        if self.flag and (not self.last_flag):
+            self.connect()
+        self.last_flag = self.flag
+        
+    def start(self):
         self.size = (1600,800)
+        self.add_widget(self.scanning)
 
-        devices = await BleakScanner.discover()
-        # self.remove_widget(scanning)
-        grid00 = GridLayout(cols=1,rows=2,width=self.width,height=self.height / 4,top=self.top)
-        grid00.top = self.top
-        self.add_widget(grid00)
-        grid01 = GridLayout(cols=2,rows=1,width=grid00.width,height=grid00.height / 2)
-        grid00.add_widget(grid01)
-        grid01.add_widget(Label(text="Device Name:",width=grid00.width / 2,height=grid00.height / 2,font_size=50))
+    def connect(self):
+        self.grid00 = GridLayout(cols=1,rows=2,width=self.width,height=self.height / 4,top=self.top)
+        self.remove_widget(self.scanning)
+        self.grid00.top = self.top
+        self.add_widget(self.grid00)
+        grid01 = GridLayout(cols=2,rows=1,width=self.grid00.width,height=self.grid00.height / 2)
+        self.grid00.add_widget(grid01)
+        grid01.add_widget(Label(text="Device Name:",width=self.grid00.width / 2,height=self.grid00.height / 2,font_size=50))
         deviceName = "HC-06"
-        grid01.add_widget(TextInput(text=deviceName,width=grid00.width / 2,height=grid00.height / 2,font_size=40))
-        connect_button = Button(text="Connect",width=grid00.width,height=grid00.height / 2,center_x=grid00.center_x,font_size=40)
-        Builder.load_string('''
-<Button>:
-    id: connect_button
-    on_touch_down: root.root.remove_widget(grid00)
-                            ''')
-        grid00.add_widget(connect_button)
+        grid01.add_widget(TextInput(text=deviceName,width=self.grid00.width / 2,height=self.grid00.height / 2,font_size=40))
+        connect_button = Button(text="Connect",width=self.grid00.width,height=self.grid00.height / 2,center_x=self.grid00.center_x,font_size=40)
+
+        self.grid00.add_widget(connect_button)
 
         # for d in devices:
         #     if d.name == deviceName:
@@ -85,14 +93,33 @@ class InfoWidget(Widget):
     #         button.width = grid.width / 2
     #         button.height = grid.height / 4
     #         grid.add_widget(button)
+    async def discover_devices(self):
+        self.devices = await BleakScanner.discover()
+        self.flag = True
+
+    def start_discovery(self, dt):
+        asyncio.create_task(self.discover_devices())
 
 class STI2021A(App):
     def build(self):
+        # 在这里设置asyncio事件循环
+        loop = asyncio.get_event_loop()
+        if not loop.is_running():
+            asyncio.set_event_loop(loop)
+        
         info = InfoWidget()
-        asyncio.run(info.discover_devices())
-        # info.debug()
+        info.start()
+        Clock.schedule_once(info.start_discovery, 1)
+        Clock.schedule_interval(info.update, 1)
         return info
 
+    def run(self):
+        # 获取当前的事件循环
+        loop = asyncio.get_event_loop()
+        # 运行应用程序，直到完成
+        loop.run_until_complete(self.async_run())
+        loop.close()
+
 
 if __name__ == '__main__':
     STI2021A().run()