Add generic support for devices with more than 128KB flash, and atmega2560#159
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WestfW merged 3 commits intoOptiboot:masterfrom Jul 8, 2018
Merged
Add generic support for devices with more than 128KB flash, and atmega2560#159WestfW merged 3 commits intoOptiboot:masterfrom
WestfW merged 3 commits intoOptiboot:masterfrom
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It adds generic support for devices with more than 128KB flash. Also MEGA 2560 is included as valid target. It needs Avrdude 6.1 or at least patch from http://savannah.nongnu.org/bugs/?40897 for ealier versions.
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majekw
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…cc compilers. Avr-gcc shipped with Arduino below version 1.6.x doesn't define RAMSTART for Armega2560 and Optiboot incorrectly assumes wrong location. It led to store new flash values in register's memory space which caused unexpected chip behaviour and write/verification errors. Thanks to Matthijs Kooijman for finding this.
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any plan to merge this ? |
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Note this comment which suggests that this code has seen significant testing already on various boards. AFAIU the sourcecode that goes along with the linked cores is here: https://github.com/MCUdude/optiboot_flash |
DarkCaster
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Inside also support for MEGA 2560 - this board I have and I could test - it works fine :-)
It needs Avrdude 6.1 or at least patch from http://savannah.nongnu.org/bugs/?40897 to program correctly.