Not getting Sensor Readings in Pysense with FiPy Module

[Archana Kadam]

@livius
Please explain the procedure of connecting fipy to server and how to send data of fipy to server

[livius]

@archana-kadam said in Not getting Sensor Readings in Pysense with FiPy Module:

How we can know that is connected to Wifi?

wlan.isconnected()
but to be really sure - only sending by socket tell this for sure

How we can connect to both station as well as access point?

change mode from WLAN.STA in WLAN.STA_AP

Please explain the procedure of connecting fipy to server and how to send data of fipy to server

simply create socket and send data throught it

e.g. from memory not tested but something like this should work

import socket
s = socket.socket()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(socket.getaddrinfo('your server ip', your_server_port)[0][-1])
s.send(your_data)

[Archana Kadam]

@livius
Can we send data through pybytes ?
Is a pybytes a server or its just a middleware to send data?

[Archana Kadam]

@livius
From this above code we are getting an error called OSERORR :-01
import socket
s = socket.socket()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(socket.getaddrinfo('192.168.0.109', 80)[0][-1])
your_data = "Hello"
s.send("your_data")

[livius]

@archana-kadam

From this above code we are getting an error called OSERORR :-01

At which line of code?

[Archana Kadam]

@livius
Line number 6 and 7

[livius]

@archana-kadam said in Not getting Sensor Readings in Pysense with FiPy Module:

Line number 6 and 7

I do not have your source code ;-)
what this lines contain? and why on 6 and 7 - error should be raised only once

[Archana Kadam]

@livius
import socket

host = '127.0.0.1'
port = 80 # The same port as used by the server
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((host, port))
s.send('Hello, world')
data = s.recv(1024)
s.close()
print('Received', repr(data))
Here is code to connect to server,but we are enable to connect

[Archana Kadam]

@livius
import machine
from network import WLAN

configure the WLAN subsystem in station mode (the default is AP)

wlan = WLAN(mode=WLAN.STA)

go for fixed IP settings (IP, Subnet, Gateway, DNS)

wlan.ifconfig(config=('192.168.0.107', '255.255.255.0', '192.168.0.1', '192.168.0.1'))
wlan.scan() # scan for available networks
wlan.connect(ssid='mynetwork', auth=(WLAN.WPA2, 'my_network_key'))
while not wlan.isconnected():
pass
print(wlan.ifconfig())
I tried with code also, but its continuously running but there no output.

[livius]

@archana-kadam
I should start with this question, what is your firmware version?

import os
os.uname()

[Archana Kadam]

@livius
Is Pybytes a server. Can we send data and store in pybytes

[Archana Kadam]

@livius
We have latest version of firmware installed 1.17.b

[livius]

@archana-kadam
You can send data to whatever you like, but for pybytes you need account.
Did you successfully connected to the wifi network?

[Archana Kadam]

@livius
We are running the below code on the FiPy to send data to the server. and we are using FiPy in its default mode i,e Access Point Mode.

import socket
s = socket.socket()
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(socket.getaddrinfo('192.168.0.109', 80)[0][-1])
your_data = "Hello"
s.send("your_data")

Can you send us the one complete example code which sends data from fipy to server. Where a local computer in the same network can be used as server.

Thank You

[livius]

@archana-kadam
with default mode AP you must connect your computer to Fipy.
In mode STA you connect your Fipy to computer (most often through router)
After you are connected to the network (local) you can communicate between computer and Fipy.

from network import WLAN
import socket

wlan = WLAN(mode=WLAN.STA)
# wlan.ifconfig(config=('192.168.0.105', '255.255.255.0', '192.168.0.1', '192.168.0.1')) - you can ommit this line if you need to connect by DHCP
wlan.connect(ssid='mynetwork', auth=(WLAN.WPA2, 'my_network_key'), timeout=30000)

while not wlan.isconnected():
	machine.idle()	
	
if wlan.isconnected():
	s = socket.socket()
	s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
	s.connect(socket.getaddrinfo('192.168.0.109', 2345)[0][-1]) #IP of your computer(192.168.0.109) in the same network as your Fipy and port(2345) of socket in listen mode on your computer
	your_data = "Hello"
	s.send("your_data")

remember that you must have something listen on incoming traffic on your computer then.

[Archana Kadam]

@livius
We have successfully connected to the server by the given code, but we are getting an error in line number 14, im sending the screenshot please go through the file

[livius]

@archana-kadam
remove line 13 s = socket.socket()

P.S> i have blurred your password on the screenshot

[Archana Kadam]

@livius
I removed line 13 "s = socket.socket()" but also im getting an error in line number 15
i,e #your_data = "hello"

[jcaron]

@archana-kadam and the error is...?

[Archana Kadam]

@jcaron
OSError -1