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@@ -8,7 +8,7 @@ from kivy.lang import Builder
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import asyncio
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from bleak import BleakClient,BleakScanner
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-import json
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+# import json
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STM32_UUID = "00001101-0000-1000-8000-00805F9B34FB"
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@@ -36,11 +36,11 @@ class InfoWidget(Widget):
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''')
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grid00.add_widget(connect_button)
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- for d in devices:
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- if d.name == deviceName:
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- await self.connect_and_receive(d.address)
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- self.add_widget(Label(text="Connected",width=self.width,height=self.height / 4))
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- break
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+ # for d in devices:
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+ # if d.name == deviceName:
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+ # await self.connect_and_receive(d.address)
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+ # self.add_widget(Label(text="Connected",width=self.width,height=self.height / 4))
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+ # break
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# grid1 = GridLayout(cols=2,rows=5,width=self.width,height=self.height)
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# self.add_widget(grid1)
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# for num,d in enumerate(devices):
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@@ -52,36 +52,36 @@ class InfoWidget(Widget):
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# if num >= 9:
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# break
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- async def connect_and_receive(self, address):
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- async with BleakClient(address) as client:
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- if await client.is_connected():
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- rawdata = await client.read_gatt_char(STM32_UUID)
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- data = rawdata.decode("utf-8")
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- if data.startswith("[") and data.endswith("]"):
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- list = json.loads(data)
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- info = "基波频率：" + str(list[0]) + "Hz\n" + \
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- "THD：" + str(list[6]) + "%\n" + \
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- "基波幅值：" + str(list[1]) + "V\n" + \
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- "二次谐波：" + str(list[2]) + "V\n" + \
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- "三次谐波：" + str(list[3]) + "V\n" + \
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- "四次谐波：" + str(list[4]) + "V\n" + \
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- "五次谐波：" + str(list[5]) + "V\n"
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- else:
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- info = "传输数据出错"
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- label = Label(text=info)
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- self.add_widget(label)
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- return
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- else:
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- print("Failed to connect to device.")
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- def debug(self):
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- # self.size = (800,480)
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- grid = GridLayout(cols=2,rows=4,width=self.width,height=self.height)
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- self.add_widget(grid)
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- for i in range(8):
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- button = Button(text=str(i))
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- button.width = grid.width / 2
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- button.height = grid.height / 4
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- grid.add_widget(button)
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+ # async def connect_and_receive(self, address):
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+ # async with BleakClient(address) as client:
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+ # if await client.is_connected():
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+ # rawdata = await client.read_gatt_char(STM32_UUID)
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+ # data = rawdata.decode("utf-8")
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+ # if data.startswith("[") and data.endswith("]"):
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+ # list = json.loads(data)
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+ # info = "基波频率：" + str(list[0]) + "Hz\n" + \
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+ # "THD：" + str(list[6]) + "%\n" + \
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+ # "基波幅值：" + str(list[1]) + "V\n" + \
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+ # "二次谐波：" + str(list[2]) + "V\n" + \
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+ # "三次谐波：" + str(list[3]) + "V\n" + \
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+ # "四次谐波：" + str(list[4]) + "V\n" + \
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+ # "五次谐波：" + str(list[5]) + "V\n"
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+ # else:
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+ # info = "传输数据出错"
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+ # label = Label(text=info)
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+ # self.add_widget(label)
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+ # return
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+ # else:
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+ # print("Failed to connect to device.")
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+ # def debug(self):
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+ # # self.size = (800,480)
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+ # grid = GridLayout(cols=2,rows=4,width=self.width,height=self.height)
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+ # self.add_widget(grid)
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+ # for i in range(8):
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+ # button = Button(text=str(i))
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+ # button.width = grid.width / 2
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+ # button.height = grid.height / 4
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+ # grid.add_widget(button)
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class STI2021A(App):
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def build(self):
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