import serial.tools.list_ports

import time

plist = list(serial.tools.list_ports.comports())

if len(plist) <= 0:

print("没有发现端口!")

else:

plist_0 = list(plist[0])

serialName = plist_0[0]

serialFd = serial.Serial(serialName, 38400, timeout=60)

print("可用端口名>>>", serialFd.name)

cmd = [0x10, 0xF0, 0x00, 0x00, 0xF0, 0x16]

#serialFd.write(cmd)

#print(serialFd.readline())

#serialFd.close()

#print("串口{0:}关闭",{0:serialFd.name})

def recv(serial):

while True:

data =serial.read_all()

if data ==b'':

continue

else:

break

time.sleep(0.02)

return data

my_serial_step=0

my_count=0

while True:

print("start serial{0:}",++my_count)

if my_serial_step==0:

serialFd.write(cmd)

data =recv(serialFd)

print(data)

#time.sleep(5)