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Results tagged with bootloader
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user 53431
Refers to the code burned on the Arduino flash memory that runs every time the board is powered up. It starts the execution of user-loaded programs and allows uploading sketches from a PC through the USB connection. This tag should be used for questions about modifying, changing, uploading the default bootloader.
2
votes
1
answer
431
views
AVR-GCC can't call function located on fixed address
I wrote the following code:
#include <avr/io.h>
__attribute__((noinline, section(".app_start"))) void app_start() //app_start section starts at 0xFA0
{
//register_packet_dispatch(packet_received …
- 2,531
1
vote
0
answers
58
views
AVR program upload overrides unrelated program area
I thought the flashing function has been called with some wild parameter that results this fault, so i added some guard condition to check before write the flash:
__attribute__((section(".bootloader") … (Another guard is also installed: when AVR accidentally starts in bootloader mode it's jumps immedialty to 0x00). …
- 193
3
votes
Accepted
AVR-GCC can't call function located on fixed address
I've tried this code with arduino and it worked (i taught, of course, i can't add the "-Wl,--section-start=.app_start=0xFA0" flag to the compilation process so the function not gonna be moved to other …
- 193