hi all:: thanks for your help. 2010/8/3 Greg KH <greg@xxxxxxxxx>: > On Tue, Aug 03, 2010 at 12:24:08AM +0800, loody wrote: >> Dear all: >> I am poring usb serial device on my embedded system. >> But I have no idea whether there exist simple test procedure on linux >> for such device. >> ( i know there are some terminal tools, but they are too complicated >> for me, since I have to spend time on cross-compiling them) > > minicom? > >> suppose I create a tty usb device node. >> Can I just "echo test > device node" and I will see "test" on the receiver? >> (suppose serial device driver has implement write) > > That doesn't always work. so you mean that may or may not work. > > If you have perl on your system, and a loopback plug on your > usb-to-serial device, here's a simple script that I use for testing. I don't have perl at my target board. :) so from your suggestions I have 2 choices: 1. porting terminal tools, like minicom. ( I am afraid that i may need to cross-compile other libs and stuck on them rather than verify my porting.) 2. porting perl. ( the same concern above) is there any simper way to do so? ( I just need send some text to my usb serial device) appreciate your kind help :) miloody -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
