> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] > On Behalf Of Robert L Cochran > Sent: Friday, March 21, 2008 3:29 PM > To: avr-chat > Subject: [avr-chat] New Programmer, Small Program, F_CPU for Atmega644 > > I just built one of Limor Fried's USBtinyISP programmers. ( shown on > http://www.adfruit.com/usbtinyisp ). I'd like to actually test the > programmer on a Fedora 7 computer. > > I have an Atmega644 in the DIP package that I could breadboard with a > quick LED blinking circuit. Since I'm doing this in Linux, > I'm not sure > what is a good value to assign to F_CPU, and yes, I did check the 376 > page data sheet, but I am still not sure how to calculate > this value -- > sorry. >
Hi Bob, F_CPU is just a defined value which is your CPU Frequency in Hertz. This symbol can then be used in your application if you need it. _______________________________________________ AVR-chat mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/avr-chat
