擅长:python、mysql、java
<p>此方法允许您分别控制收集每行所有数据的超时,以及等待其他行的不同超时。</p>
<pre><code>def serial_com(self, cmd):
'''Serial communications: send a command; get a response'''
# open serial port
try:
serial_port = serial.Serial(com_port, baudrate=115200, timeout=1)
except serial.SerialException as e:
print("could not open serial port '{}': {}".format(com_port, e))
# write to serial port
cmd += '\r'
serial_port.write(cmd.encode('utf-8'))
# read response from serial port
lines = []
while True:
line = serial_port.readline()
lines.append(line.decode('utf-8').rstrip())
# wait for new data after each line
timeout = time.time() + 0.1
while not serial_port.inWaiting() and timeout > time.time():
pass
if not serial_port.inWaiting():
break
#close the serial port
serial_port.close()
return lines
</code></pre>