If all looks in order, I'd then try un-installing both of these drivers (serial/composite), selecting to remove the software. Universal Serial Bus controllers > mbed Composite Device - right-click Properties, Driver tab.Ports (COM & LPT) > mbed Serial Port - right-click Properties, Driver tab.Then, if you go to Device Manager, what is the version of the driver at: (Note, I don't have an XP machine with me so can't guide exactly - based on Vista).įirst off, can you confirm the Firmware on the LPC1768 and LPC2368 mbed's are up to date (see Firmware). But in the mean time you could look at the following: I'll have a chat with Phil (our USB guru) tomorrow, and see what he recommends. However, we tested this all very thoroughly, including re-installing and upgrading, so it feels like a strange interaction/history thing. I wonder if this is some hangover from the old driver getting picked up when you put in a new device. When I did, Windows reported that there was a problem and could not start the serial port driver. I then tried to run the LPC1768 on my XP machine, and again found I had to re-load the Windows Serial Port Driver. Windows registers each different mbed as a separate device, hence the need to install again. I have uninstalled, re-installed, etc., but to no avail.Īgain, everything works fine on my Vista machine, just not on my XP machine, and only with the LPC1768 board.the LPC2368 works fine. It always says the driver could not start. Re-installed drivers, and everything works fine. I tried re-installing it several times, both from the website as well as from a local drive copy. Now, either board works fine on this machine. I tried it on my Vista machine, and had to re-install the Windows serial port driver but all is working well on it. I then loaded the new drivers onto the Vista machine and all worked fine. I then added a Vista machine to my office. When the new (current) driver was released, I started using that and it wored fine. All was working fine with the Windows serial port driver. I originally started developing with the LPC2368 beta unit on a Windows XP machine.
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