HTTPClient always fails on first request.

[jlkalberer]

When I run the example wifly_http I always get the "Failed to connect" the first time around. Can you tell me why this happens?

Here is the output:

------- WIFLY HTTP -------- Try to join wifi Succeed to join wifi

Try to get url - http://httpbin.org/get?hello=world

Failed to connect.

HTTP/1.1 200 OK Server: gunicorn/0.16.1 Date: Fri, 22 Mar 2013 07:01:51 GMT Content-Type: application/json Content-Length: 189 Connection: close

{ "url": "http://httpbin.org/get?hello=world", "headers": { "Host": "httpbin.org", "Connection": "close" }, "args": { "hello": "world" }, "origin": "10.12.253.100" }CLOS

Try to post data to url - http://httpbin.org/post

HTTP/1.1 200 OK Server: gunicorn/0.16.1 Date: Fri, 22 Mar 2013 07:01:53 GMT Content-Type: application/json Content-Length: 286 Connection: close

{ "origin": "10.78.27.124", "files": {}, "form": {}, "url": "http://httpbin.org/post", "args": {}, "headers": { "Content-Length": "12", "Host": "httpbin.org", "Content-Type": "text/plain", "Connection": "close" }, "json": null, "data": "Hello world!" }CLOS

Enter command mode. Send "exit"(with \r) to exit command mode

[xiongyihui]

The result shows Arduino succeeded to connect http://httpbin.org/get?hello=world, but got a wrong response. It's likely the response data from WiFly to Arduino is not received correctly because Arduino's SoftwareSerial is not stable enough.

[xiongyihui]

Failed to connect.

is a debug message. You can disable debug message output by removing #define DEBUG in debug.h

[jlkalberer]

Thanks, but I am using a different HttpClient class than your library and I don't want to wrap the connect method in a while loop. The debug output is fine for me, I just want to try to make the connect method succeed every time (as long as the server can actually respond with a 200).

Is there any place to get new firmware for the WiFly? I saw that you had an wifly_update example which attempts to grab the new firmware from the FTP site but that didn't run for me last time I tried.

Thanks a ton for this library though. It is so much better than what is on the seeed wiki.

[xiongyihui]

You can get the firmware from rn.microchip.com. Ping rn.microchip.com to get the IP.

ftp server: ftp://rn.microchip.com ftp username: roving ftp passwd: Pass123

You can visit the ftp site through web browser to make sure your network can access rn.mirochip.com

[jlkalberer]

So if you add a delay after you connect to the wifi, the first request will work every time. I added this in the wifly_http example:

delay(3000);

I had to use these commands to get it to update in case anyone else has any issues:

set ftp address 0 set dns name rn.microchip.com save set ftp user roving set ftp pass Pass123 set ftp dir ./public ftp update wifly-EZX-AP.img factory RESET reboot