Error: You do not have read/write permission to the serial port

[Google Code Exporter]

What steps will reproduce the problem?
1. Asus Eeepad Transformer Tablet PC + PL2303 USB to Serial cable
2. OS detects PL2303 as ttyUSB3
3. Run SerialPort API and configure as ttyUSB3 and 9600bps
4. Run Loopback and shows Error permission denied.


What version of the product are you using? On what operating system?
Android 3.2.1 and Kernel 2.6.36.3

How to fix the permission on Asus Transformer?

Thanks,

Mike

Original issue reported on code.google.com by [e-mail] on 14 Dec 2011 at 8:57

[Google Code Exporter]

Is there any update on this issue? I'm having the same problem on the iMX SABRE 
Tablet board.

Original comment by [e-mail] on 5 Jan 2012 at 12:14

[Google Code Exporter]

To change permission of a /dev/... file, on Android like on any other Linux 
distribution, you need root permissions.

You should search on Android forums about rooting you device.

Original comment by [e-mail] on 25 Jan 2012 at 5:43

• Changed state: Invalid