RG-BLE-12 模块的 AT 指令封装

change.py

#!/usr/bin/env python 
#coding=utf-8

import serial
import time
    
class BLEPrinter(object):

    SERIALPORT = '/dev/tty.usbserial-AM021OAT'
    BAUDRATE = 9600
    TIMEOUT = 3
 
    def __init__(self, serialport=SERIALPORT):
        """
        初始化, 打开势能
        """
        self.serialport=serialport
        self.bt = serial.Serial(port=serialport, 
                                baudrate=self.BAUDRATE, 
                                timeout=self.TIMEOUT)
        self.bt.write('AT+EN1\r\n') 
        time.sleep(0.5) 
        print '%s' % self.bt.readline()

    def get_name(self):
        """
        获得名称
        """
        self.bt.write('AT+NAME\r\n') 
        time.sleep(0.5) 
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()

    def set_name(self, name='美团外卖'):
        """
        设置名称
        """
        self.bt.write('AT+NAME %s\r\n' % name) 
        time.sleep(0.5) 
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()

    def get_pin(self):
        """
        获得 PIN
        """
        self.bt.write('AT+PIN\r\n') 
        time.sleep(0.5) 
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()

    def set_pin(self, pin='1234'):
        """
        设置 PIN
        * 注意 String 不是 Int
        """
        self.bt.write('AT+PIN %s\r\n' % pin) 
        time.sleep(0.5) 
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()

    def get_baud(self):
        """
        获得 波特率
        """
        self.bt.write('AT+BAUD\r\n') 
        time.sleep(0.5) 
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()
        print '%s' % self.bt.readline()

    def set_baud(self, baud=9600):
        """
        设置 波特率
        """
        self.bt.write('AT+BAUD %s\r\n' % baud) 
        time.sleep(0.5) 
        print '%s' % self.bt.readline()

    def get_addr(self):
        """
        获得 Mac address
        """
        self.bt.write('AT+ADDR\r\n') 
        time.sleep(0.5) 
        result = self.bt.readline().rstrip('\r\n')
        print '%s' % result
        print '%s' % self.bt.readline()
        if result:
            return result[-12:]

    def close(self):
        """
        关闭势能
        """
        self.bt.write('AT+EN0\r\n') 
        self.bt.close()


if __name__ == '__main__':
    import sys, os

    if len(sys.argv) == 2:
        serialport = sys.argv[1]
    else:
        serialport = BLEPrinter.SERIALPORT
    
    if not os.path.exists(serialport):
        sys.exit("ERROR: Serial port not found at: %s" % serialport)
    
    print "Testing on port %s" % serialport

    ble = BLEPrinter(serialport=serialport)
    mac = ble.get_addr() 
    ble.set_name('美团外卖 %s' % mac[-6:])
    ble.get_name()
    ble.set_pin('0000')
    ble.get_pin()
    # ble.set_baud(9600)
    # ble.get_baud()
    ble.close()