> On Fri, Oct 2, 2009 at 7:27 AM, Harold Hallikainen > wrote: >> I'm now digging in to running USB on a PIC32. In the past, I've just >> used >> chips from FTDI or Silicon Labs to convert USB to a UART. I'm playing >> with >> the PIC32 USB Starter Board and trying to figure out what direction to >> go >> here. >> >> All I really want to do is pass bytes from the host to the USB device >> and >> have it send bytes back, just like a UART. Microchip provides a demo >> using >> the Communications Device Class. I have their demo working and am >> playing >> with adapting it to my needs. >> >> I understand that most OSs include standard drivers for various USB >> devices. Is this the case for CDC devices? Can an application talk to a >> CDC device without having to install any drivers? >> >> Is CDC the most appropriate class to use in such an application? I'm >> just >> sending ascii commands and getting responses. >> > > It should work out of the box under Linux and Mac OS X. But you > need an INF file for Windows. Windows CDC-ACM driver (usbser.sys) > is also problematic, especially under Windows 2k/XP. Windows > Vista has a better usbser.sys driver. Thanks! Is this the appropriate class for just sending ascii text back and forth? Harold -- FCC Rules Updated Daily at http://www.hallikainen.com - Advertising opportunities available! -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist