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Uart.py
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Uart.py
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#-*- coding: utf-8 -*-
from serial import Serial
from serial.tools import list_ports
from binascii import b2a_hex as str2int
from binascii import a2b_hex as int2str
def List2Str(str_list):
str_temp = ''
for x in str_list:
temp =hex(x)[2:]
if len(temp) == 1:
temp = '0'+temp
str_temp+=int2str(temp)
return str_temp
class Uart(Serial):
def __init__(self,baudrate = 57600,timeout = 1):
Serial.__init__(self)
self.setBaudrate(baudrate)
self.setTimeout(timeout)
self.GetFreePort()
def GetFreePort(self):
self.freeport = list(list_ports.comports())
def SetPortAuto(self):
self.GetFreePort()
if self.freeport:
self.port = self.freeport[0][0]
self.close()
return True
else:
return False
def ReSetPort(self,port,baudrate):
self.port = port
self.baudrate = baudrate
def GetData(self):
data1 = []
while True:
b = self.read()
if b == '' :
return None
else :
if str2int(str(b)) != 'ff' :
data_base = str2int(str(b))
data1.append(int(data_base,16))
else:
return data1
if __name__ == "__main__":
a = Uart()
a.SetPortAuto()
a.open()
List2Str([1,2,3])
'''while(True):
b = str2int(a.read())
if b != '':
print int(b,16)'''