def send_data(self, xbee_port, command, return_length):
'''
xbee_port : Socket port of xbee used
command : command to be sent to rover
return_length : Expected length of return message
NOTE : This function will send the command and close.
Calling script has to put gap between
'''
device = WiFiDevice(port=self.PORT, baud_rate=self.BAUD)
device.open()
device.send_ip_data_broadcast(xbee_port, command)
device.close()
def send_data(self,xbee_port,command,return_length):
'''
xbee_port : Socket port of xbee used
command : command to be sent to rover
return_length : Expected length of return message
NOTE : This function will send the command, open the serial
port and wait for receive_timeout seconds for a reply
from rover. It will receive the data and return it to
calling script
'''
device = WiFiDevice(port=self.PORT,baud_rate=self.BAUD)
device.open()
device.send_ip_data_broadcast(xbee_port,command)
device.close()
return_data = self.receive_data(return_length)
return return_data
# bidirectional script with sending test data first
import serial
from time import sleep
from digi.xbee.devices import WiFiDevice
PORT = '/dev/ttyUSB0'
BAUD = 9600
device = WiFiDevice(PORT, BAUD)
print('XBee Device Initialized')
device.open()
print('XBee Device Opened')
device.send_ip_data_broadcast(9750, "Hello TCR2")
print('Initial Packet Sent')
device.close()
print('Device Closed')
sleep(1)
try:
while True:
ser = serial.Serial(PORT, BAUD)
print('Serial Port Initialized')
# data = ser.read_until(terminator=b'TCR1 ')
data = ser.read(25)
print('Data Read')
ser.close()
print('Serial Port Closed')
data = data[14:-1]
data = data.decode()
# visit https://pypi.org/project/rssi/ for ref in rssi
# 1- importing the libarary
# 2- choosing between Xbeedevice or wifidevice
# 3- XBeeDevice is for sending meesseages and stuff
# 4- WifiDevice is for sending Data
# 5- CellularDevice for remote xbee
# 6- IPprotocol & IPv4Address is for server config
from digi.xbee.devices import XBeeDevice, WiFiDevice, CellularDevice, IPProtocol, IPv4Address
from rssi import RSSI_Scan, RSSI_Localizer # imports rssi library
# using XBeeDevice
device = XBeeDevice("COM1",
9600) # Com replaced with the port ,, 9600 is the baudrate
device.open() #opens the conncetion with the device
device.send_data_broadcast("Hello World!") # broadcast the message
device.colse() # closes the connection
# using WiFiDevice
device2 = WiFiDevice("COM", 9600) # same as above with modification
device2.open()
device2.send_ip_data_broadcast(9750, "hello world ") #destination port , Data
device2.colse()
# sending data to remote
device3 = CellularDevice("COM1", 9600)
device3.open()
#sending to server ip with port 11001 using TCP protocol
device3.send_ip_data(IPv4Address("52.43.121.77"), 11001, IPProtocol.TCP,
"Hello XBee World!")
#Read and print the response from the echo server. If response cannot be received, print ERROR.
ip_message = device3.read_ip_data()
print(ip_message.data.decode("utf8") if ip_message is not None else "ERROR")
device3.colse()