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xyphro / UsbGpib

Versatile, cheap and portable USB to GPIB converter (USBTMC class based)
MIT License
289 stars 51 forks source link

Programming instrutions are wrong (?) #14

Closed christakahashi closed 2 years ago

christakahashi commented 2 years ago

I found a second issue so I've edited this to combine them since I think they're probably only worth one commit anyway. 1) The atmega32u4 doesn't have any fuse bits in the upper nibble of the extended fuse byte. the directions say to use -Uefuse:w:0xcb:m , but I think it should be 0xFB. AFAIK setting unimplemented fuses just gets ignored but it may cause a failure to verify later as it gets read back 0xFB.

2) "LED blinking: The USBGPIB converter is connected to a measurement instrument, it is powered off or its GPIB port is disabled. " should read: "LED blinking: The USBGPIB converter is not connected to a measurement instrument, it is powered off or its GPIB port is disabled. "

Xyp commented 2 years ago

Thanks a lot for reporting Chris! I will fix it the next days.