Search found 3 matches

by xander
Fri Aug 18, 2006 9:46 am
Forum: General Discussion
Topic: USB DEVICE CONTROL in NUT&VOLTS by A.Enzmann
Replies: 33
Views: 9715

The 4K difference in size is most likely a difference in DEBUG_PRINT being on or off (top of usb.h). If you don't have any serial I/O in the hex file, it is much smaller. Getting rid of the "-t 128" in the makefile should cure the stack warning when linking a version built with 2.6. But as I mention...
by xander
Fri Aug 18, 2006 6:00 am
Forum: General Discussion
Topic: USB DEVICE CONTROL in NUT&VOLTS by A.Enzmann
Replies: 33
Views: 9715

A couple of minor things. The cap on pin 2 of the MAX232 in the schematic was placed correctly. The scan of a datasheet simply shows another way to place it. Basically pin 2 is the output of a voltage doubler and needs to be on the positive side of a cap to hold energy. You can have negative side at...
by xander
Fri Aug 18, 2006 5:29 am
Forum: General Discussion
Topic: USB DEVICE CONTROL in NUT&VOLTS by A.Enzmann
Replies: 33
Views: 9715

USB Article in Nuts & Volts

All, Not being aware of this forum, it took Rudy E. contacting me to see the problem list. The main problem appears to be related to the use of SDCC 2.5 to compile the source code. The Nuts & Volts folks were supposed to post the actual version of SDCC used for the article (which was a nightly build...