Hello All!
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What is the history behind this piece of software?
Atmel has published a bootloader written in C language in their application note AVR109. It is written using the IAR C compiler which is not free, so it is not available to everyone. The application note itself is well written and worth reading. It can be found at
On
check implemented to access the flash only after the last task was completed re-enabling the application section after it was reprogrammed by the bootloader interface sync-losses between AVRProg1.37 and the bootloader solved by implementing required commands that were missing startup code section that waits for 8 seconds for bootloader commands and starts the application if no commands are received (this makes it possible to use solely RXD and TXD lines on the RS232 for software upload, no further lines are required) Usage of "universal command" by AVRProg1.37 with regard to fuse/lock bit reading conquered to make things work code is well documented now, every block and every line is exactly explained (this simplifies adaptations to individual requirements)
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