debug

main.py

@@ -4,39 +4,40 @@ from kivy.uix.button import Button
 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
-
-# import json
+import json
 
 STM32_UUID = "00001101-0000-1000-8000-00805F9B34FB"
 
-class InfoWidget(Widget): 
+class MainWidget(Widget):
     def __init__(self, **kwargs):
-        super(InfoWidget, self).__init__(**kwargs)
+        super().__init__(**kwargs)
+        self.size = (1600,800)
         self.last_flag = False
         self.flag = False
-        self.scanning = Label(text="Scanning...",font_size=100,top=self.top)
-        self.devices = None
-        
+        self.scanning = Label(text="Scanning...",font_size=100,top=self.top,center_x = self.center_x)
 
     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)
 
+    # def start_scan(self, dt):
+    #     asyncio.run(self.scan)
+
+    async def scan(self):
+        self.devices = await BleakScanner.discover()
+        self.flag = True
+
     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.grid00 = GridLayout(cols=1,rows=2,width=self.width,height=self.height / 4,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)
@@ -44,82 +45,24 @@ class InfoWidget(Widget):
         deviceName = "HC-06"
         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:
-        #         await self.connect_and_receive(d.address)
-        #         self.add_widget(Label(text="Connected",width=self.width,height=self.height / 4))
-        #         break
-        # grid1 = GridLayout(cols=2,rows=5,width=self.width,height=self.height)
-        # self.add_widget(grid1)
-        # for num,d in enumerate(devices):
-        #     button = Button(text=f"{d.name}")
-        #     button.height = grid1.height / 5
-        #     button.width = grid1.width / 2
-        #     button.on_touch_down = lambda instance, d=d: asyncio.run(self.connect_and_receive(d.address))
-        #     grid1.add_widget(button)
-        #     if num >= 9:
-        #         break
-
-    # async def connect_and_receive(self, address):
-    #     async with BleakClient(address) as client:
-    #         if await client.is_connected():
-    #             rawdata = await client.read_gatt_char(STM32_UUID)
-    #             data = rawdata.decode("utf-8")
-    #             if data.startswith("[") and data.endswith("]"):
-    #                 list = json.loads(data)
-    #                 info = "基波频率：" + str(list[0]) + "Hz\n" + \
-    #                             "THD：" + str(list[6]) + "%\n" + \
-    #                             "基波幅值：" + str(list[1]) + "V\n" + \
-    #                             "二次谐波：" + str(list[2]) + "V\n" + \
-    #                             "三次谐波：" + str(list[3]) + "V\n" + \
-    #                             "四次谐波：" + str(list[4]) + "V\n" + \
-    #                             "五次谐波：" + str(list[5]) + "V\n"
-    #             else:
-    #                 info = "传输数据出错"
-    #             label = Label(text=info)
-    #             self.add_widget(label)
-    #             return 
-    #         else:
-    #             print("Failed to connect to device.")
-    # def debug(self):
-    #     # self.size = (800,480)
-    #     grid = GridLayout(cols=2,rows=4,width=self.width,height=self.height)
-    #     self.add_widget(grid)
-    #     for i in range(8):
-    #         button = Button(text=str(i))
-    #         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()
-        info.start()
-        Clock.schedule_once(info.start_discovery, 1)
-        Clock.schedule_interval(info.update, 1)
-        return info
+    def __init__(self):
+        super().__init__()
+        self.main_widget = MainWidget()
 
-    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()
+    def build(self):
+        self.main_widget.start()
+        Clock.schedule_interval(self.main_widget.update, 1)
+        return self.main_widget
+    
+    async def scan(self):
+        await self.main_widget.scan()
 
+async def main(app):
+    await asyncio.gather(app.async_run("asyncio"), app.scan())
 
-if __name__ == '__main__':
-    STI2021A().run()
+if __name__ == "__main__":
+    app = STI2021A()
+    asyncio.run(main(app))

main1.old

@@ -0,0 +1,125 @@
+from kivy.app import App
+from kivy.uix.widget import Widget
+from kivy.uix.button import Button
+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
+
+# import json
+
+STM32_UUID = "00001101-0000-1000-8000-00805F9B34FB"
+
+class InfoWidget(Widget): 
+    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
+        
+
+    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)
+
+    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=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:
+        #         await self.connect_and_receive(d.address)
+        #         self.add_widget(Label(text="Connected",width=self.width,height=self.height / 4))
+        #         break
+        # grid1 = GridLayout(cols=2,rows=5,width=self.width,height=self.height)
+        # self.add_widget(grid1)
+        # for num,d in enumerate(devices):
+        #     button = Button(text=f"{d.name}")
+        #     button.height = grid1.height / 5
+        #     button.width = grid1.width / 2
+        #     button.on_touch_down = lambda instance, d=d: asyncio.run(self.connect_and_receive(d.address))
+        #     grid1.add_widget(button)
+        #     if num >= 9:
+        #         break
+
+    # async def connect_and_receive(self, address):
+    #     async with BleakClient(address) as client:
+    #         if await client.is_connected():
+    #             rawdata = await client.read_gatt_char(STM32_UUID)
+    #             data = rawdata.decode("utf-8")
+    #             if data.startswith("[") and data.endswith("]"):
+    #                 list = json.loads(data)
+    #                 info = "基波频率：" + str(list[0]) + "Hz\n" + \
+    #                             "THD：" + str(list[6]) + "%\n" + \
+    #                             "基波幅值：" + str(list[1]) + "V\n" + \
+    #                             "二次谐波：" + str(list[2]) + "V\n" + \
+    #                             "三次谐波：" + str(list[3]) + "V\n" + \
+    #                             "四次谐波：" + str(list[4]) + "V\n" + \
+    #                             "五次谐波：" + str(list[5]) + "V\n"
+    #             else:
+    #                 info = "传输数据出错"
+    #             label = Label(text=info)
+    #             self.add_widget(label)
+    #             return 
+    #         else:
+    #             print("Failed to connect to device.")
+    # def debug(self):
+    #     # self.size = (800,480)
+    #     grid = GridLayout(cols=2,rows=4,width=self.width,height=self.height)
+    #     self.add_widget(grid)
+    #     for i in range(8):
+    #         button = Button(text=str(i))
+    #         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()
+        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()