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Choosing a JTAG debugger
Hi, I want to buy a JTAG debugger that should be helpful for embedded programming. I selected four for the moment : - AVR Dragon - AVR JTAGICE mkII - AVR JTAGICE3 - Olimex ARM-USB...
Sat. Aug 13, 2011 - 01:35 PM
boot temporary page filling
Hi, I'm writing a bootloader for an Atmega644. The boot pages length of this AVR is 256 bytes. If my data are less than 256 bytes, do I fill the temporary page buffer with 0x00 or...
Mon. Aug 8, 2011 - 01:55 PM
How to determine the addresses of the boot pages
Hi guys, I'm interested in bootloaders in order to update my application easily. I know i do, like the avr-libc boot_program_page() sample function (http://www.nongnu.org/avr-libc...
Fri. Aug 5, 2011 - 09:38 PM
Bootloader on Atmega644 - Understanding the datasheet
Hi guys, I'm interested in bootloaders in order to update my application easily. For that, I read the datasheet. But in this datasheet, there is a sentence which I don't...
Tue. Sep 7, 2010 - 07:41 PM
SPI sometimes works ans sometimes not
Hi, I've made a program for an Atmega 644 in MicroC which is working and now, i would made the same with AVR GCC. The program controls two AS1108 (4-Digit LED Display Driver)....
Thu. Dec 10, 2009 - 05:25 PM