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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...
Saturday, 13 August 2011 - 13:35
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...
Monday, 8 August 2011 - 13:55
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...
Friday, 5 August 2011 - 21:38
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...
Tuesday, 7 September 2010 - 19:41
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)....
Thursday, 10 December 2009 - 17:25