import serial
from time import sleep
def recv(serial):
while True:
data = serial.read_all().decode() # str
if data == '':
continue
else:
break
sleep(0.02)
return data
if __name__ == '__main__':
serial = serial.Serial('COM2', 115200, timeout=0.5)
if serial.isOpen():
print("serial open success")
else:
print("serial open failed")
while True:
data = recv(serial)
if data != b'' :
print(data) # str
串口发送数据“1”，python 软件接收数据“1”
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