【发布时间】:2016-02-03 10:48:28
【问题描述】:
使用X-CTU配置了两台xbee pro s2b,一台作为协调器,一台作为路由器,API=2,波特率为9600。发送方代码(协调器)如下:
import time
from xbee import XBee
import serial
PORT = "/dev/ttyUSB0"
BAUDRATE = 9600
#open serial port
sender_port = serial.Serial(PORT, BAUDRATE)
print "serial port object>>>", sender_port
#xbee object API=2
sender = XBee(sender_port,escaped=True)
#address of the remote xbee to which data is to sent
ADDRESS = "\x00\x13\xA2\x00\x40\xD9\x6F\xE5"
#send data using the tx_long_addr
while True:
try:
print "sending data..."
sender.tx_long_addr(frame_id='A', dest_addr=ADDRESS, data="hello")
time.sleep(1)
except KeyboardInterrupt:
break
sender.halt()
sender_port.close()
下面是接收端代码(路由器)
import time
from xbee import XBee
import serial
PORT = "/dev/ttyUSB1"
BAUDRATE = 9600
def byte2hex(byteStr):
return ''.join(["%02X" % ord(x) for x in byteStr]).strip()
def decodereceivedFrame(data):
source_address = byte2hex(data['source_addr'])
xbee_id = data['id']
rf_data = data['rf_data']
options = byte2hex(data['options'])
return [source_address, xbee_id, rf_data, options]
#open serial port at receiving end
remote = serial.Serial(PORT, BAUDRATE)
#xbee object API=2
remote_xbee = XBee(remote, escaped=True)
while True:
try:
print "yes i m here"
data = remote_xbee.wait_read_frame()
print "data >>>", data
decoderdata = decodereceivedFrame(data)
print "data received<<<<", decoderdata
except KeyboardInterrupt:
break
remote_xbee.halt()
remote.close()
但是在执行接收者代码时,什么都没有发生,它不打印接收到的消息。在 X-CTU 帧的传输和接收没有任何错误,我在代码中做错了什么吗?请指导。 谢谢
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标签: python-2.7 embedded-linux xbee zigbee