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Hi, I've got a solution. The problem was with the linker not the programming step. The SAM3U-EK flash.icf file defines "place at address mem:__ICFEDIT_vector_start__ { readonly section .vectors };" However, the SAM3U1 flash.icf provided in ATMELs softpack 1.6 defines "place at address mem:__ICFEDIT_vector_start__ { readonly section .intvec };" As .intvec was not defined, the location of my vector table was not as the correct address and only the debugger could start the code. (I assume it bypass…
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I've followed the instructions and used the J-link flashloader. Firstly, the options in Project->Download are now greyed out (download active application, download file and erase memory) is this normal? I can, however, still do "download and debug." Using J-link, when the debug unit starts, the program appears to be loaded into flash but the program counter is set to some erroneous value such that the program is not ready to run from __iar_program_start and hence, the program will not run. Using…
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Hi guys, I developed a relatively simple program for an embedded system using the SAM3U4-EK. The program used the default "getting-started-project" and then i rewrote the main processing loop to fit my purposes, i never touched anything relating to the flashloader. For the actual application i only need the simplest device in the series i.e. SAM3U1C, so i have built a barebones board. I have changed the following files to reflect the hardware changes: 1. flash.icf replaced with equivalent from "…