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Screen Command Can't Connect to ESP8266

PostPosted: Sun Apr 12, 2015 2:53 am
by bepitulaz
I'm new here and also a new user of ESP8266. Currently I make a small project by using ESP8266 and DHT 11. I got a strange problem when monitoring the serial with screen command via my OS X terminal. Below is the screenshot:
Image

It often shows message "SetTTY (fd 5): ioctl failed: Invalid argument", and nothing was printed to the console. Sometimes if I restarted my mac, it would solve the problem, but after several "coding...flashing...run...coding...flashing...run", the "SetTTY (fd 5): ioctl failed: Invalid argument" message was coming back, and restarted the mac couldn't solve the problem. Then after some restart, it solve the problem again. It's annoying :?

Anybody know why is it happen? I'm using Prolific PL2303 USB-TTY to flash the firmware from mac to ESP8266.

Re: Screen Command Can't Connect to ESP8266

PostPosted: Thu Feb 18, 2016 9:38 am
by David Gazdos
Same problem. Did you found solution?

Re: Screen Command Can't Connect to ESP8266

PostPosted: Thu Feb 18, 2016 2:51 pm
by David Gazdos
It starts working when i connected power to another PL2303 and used first PL2303 only for RX and TX, don't know why, but it works