回答編集履歴
2
test
CHANGED
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@@ -17,6 +17,8 @@
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17
17
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18
18
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def read(self):
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19
19
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if self.nth >= self.N:
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20
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+
if (self.ser.isOpen()):
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21
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+
self.ser.close()
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20
22
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return
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21
23
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global root, la
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24
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current_time = datetime.now()
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@@ -43,6 +45,5 @@
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43
45
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serial_data = SerialData()
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44
46
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root.after(10, serial_data.read)
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45
47
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root.mainloop()
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46
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-
ser.close()
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47
48
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```
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48
49
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1
test
CHANGED
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@@ -1,4 +1,4 @@
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1
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-
`r
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1
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+
`tkinter.Tk.after()` を利用して、`0.01`秒毎にシリアルポートからデータを読み込む方法が考えられます。(表示にはラベルではなく、`scrolledtext.ScrolledText` の方がよいかもしれません)
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2
2
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```python
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3
3
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import serial
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4
4
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import struct
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@@ -6,6 +6,31 @@
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6
6
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import tkinter
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7
7
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from datetime import datetime
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8
8
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9
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+
class SerialData:
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10
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def __init__(self):
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11
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self.measuretime = ['' for i in range(1, 6100)]
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12
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self.STATE = ['' for i in range(1, 6100)]
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13
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self.send4 = 'AAC81205112233445566778855'
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14
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self.ser = serial.Serial('COM3', 19200)
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15
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self.nth = 0
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16
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self.N = 60
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17
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+
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18
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+
def read(self):
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19
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if self.nth >= self.N:
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20
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return
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21
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global root, la
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22
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current_time = datetime.now()
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23
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self.measuretime[self.nth] = current_time.strftime("%Y/%m/%d %H:%M:%S.%f")[:-3]
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24
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self.ser.write(self.send4.encode())
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25
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recv4 = self.ser.read(13)
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26
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unrecv4 = struct.unpack('sssssssssssss', recv4)
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27
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state1 = (unrecv4[8])[-1] # 2進数化
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28
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state2 = bin(state1) # 2進数化
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29
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# update label text
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30
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la['text'] += state2[2:6] + '\n'
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31
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self.nth += 1
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32
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root.after(10, self.read)
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33
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+
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9
34
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# 画面作成
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10
35
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root = tkinter.Tk()
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11
36
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root.geometry('400x450') # 横x縦
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@@ -14,27 +39,10 @@
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14
39
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la.place(x=100, y=350)
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15
40
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la.pack()
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16
41
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17
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-
# read from serial port
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42
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+
# read data from serial port
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18
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-
measuretime = ['' for i in range(1, 6100)]
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19
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-
STATE = ['' for i in range(1, 6100)]
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20
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-
send4 = 'AAC81205112233445566778855'
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21
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-
ser = serial.Serial('COM3', 19200)
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22
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-
for k in range(60):
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23
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-
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43
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serial_data = SerialData()
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24
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-
measuretime[k] = current_time.strftime("%Y/%m/%d %H:%M:%S.%f")[:-3]
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25
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-
ser.write(send4.encode())
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26
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-
recv4 = ser.read(13)
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27
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-
unrecv4 = struct.unpack('sssssssssssss', recv4)
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28
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-
state1 = (unrecv4[8])[-1] # 2進数化
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29
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-
state2 = bin(state1) # 2進数化
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30
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-
# update label text
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31
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-
la['text'] += state2[2:6] + '\n'
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32
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-
# refresh
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33
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-
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44
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root.after(10, serial_data.read)
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34
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-
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45
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root.mainloop()
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35
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-
time.sleep(0.01)
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36
46
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ser.close()
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37
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-
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38
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-
root.mainloop()
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39
47
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```
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40
48
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