Pololu - Pololu USB AVR Programmer User's Guide - Roboweb.net

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Pololu USB AVR Programmer User's Guide© 2001–2011 Pololu CorporationIf you use Windows XP and experience problems installing the serial port drivers, the cause of your problemsmight be a bug in older versions of Microsoft’s usb-to-serial driver usbser.sys. Versions of this driver prior toversion 5.1.2600.2930 will not work with the USB AVR programmer. You can check what version of this driveryou have by looking in the “Details” tab of the “Properties” window for C:\Windows\System32\drivers\usbser.sys.To get the fixed version of the driver, you will need to either install Service Pack 3 [http://www.microsoft.com/downloads/details.aspx?FamilyId=68C48DAD-BC34-40BE-8D85-6BB4F56F5110] or Hotfix KB918365. Some users whoinstalled the hotfix have reported problems using the programmer which were solved by upgrading to ServicePack 3, so we recommend Service Pack 3 over the hotfix.After installing the drivers, if you go to your computer’s Device Manager and expand the “Ports (COM & LPT)”list, you should see two COM ports: “Pololu USB AVR Programmer Programming Port” and “Pololu USB AVRProgrammer TTL Serial Port”. In parentheses after these names, you will see the name of the port (e.g. “COM3”or “COM4”). If you expand the “Pololu USB Devices” list you should see an entry for the Pololu USB AVRprogrammer.3. Getting Started in Windows Page 10 of 53
Pololu USB AVR Programmer User's Guide© 2001–2011 Pololu CorporationWindows XP device manager showing the Pololu USB AVRProgrammerWindows Vista device manager showing the Pololu USB AVR ProgrammerSome software will not allow connection to higher COM port numbers. If you need to change the COM portnumber assigned to your USB device, you can do so using the Device Manager. Bring up the properties dialog forthe COM port and click the “Advanced…” button in the “Port Settings” tab. From this dialog you can change theCOM port assigned do your device.Once your have successfully installed the device drivers and software, you can run the Pololu USB AVRProgrammer Configuration Utility, which is available in the Start menu in the Pololu folder. This applicationallows you to change many of the settings of your programmer and can help troubleshoot problems. Please seeSection 3.e for more information.This software package also contains the installation files for the Pololu SLO-scope application for Windows.Please see Section 7 for installation and usage instructions.3. Getting Started in Windows Page 11 of 53
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