Em Fri, 11 Aug 2006 13:36:16 -0400 t1 <[EMAIL PROTECTED]> escreveu: | I have a new Palm Treo 700p from Verizon, and it seems they | have modified the software so the stock | kernel drivers will cause the 700p to reboot when the first character is | sent to ttyUSB0.
:( | When the Verizon | USB drivers are installed on Windoze, it works fine. I have been testing | with Hyperterm/Kermit, connecting | to the Treo serial device and sending an "AT\r" command. On Windoze it | returns the "OK", but on Linux the | Treo will reboot as soon as you hit the "A". I installed a USB trace | program on Windoze and got a trace of | the session that works. It looks to me like they have some extra data | that is sent when the serial device is | opened, could this be a code Verizon is using to limit use to their | driver only? Maybe, or maybe it's just a normal initialization step. | I am willing to do more testing, | but am unclear how to approach modifying the driver to mimic the working | session. It looks to me like the | Windoze driver is sending one or two extra packets: 41 54 45 30 0D | "ATE0\r" and/or 24 00 00 00 "$..." Well, there is no problem to add extra code in the driver's open method to handle it if it's a required step (this should be model specific I guess). But'd be good to investigate a little more, you could also try to report this issue to them and ask for the change we have to do in the Linux driver to support the new device. -- Luiz Fernando N. Capitulino ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
