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Force reset pin high for 100ms before the prog. session

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MCUdude
2025-05-01 23:16:46 +02:00
parent baddba9139
commit ced237ba53
1 changed files with 9 additions and 0 deletions
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9
src/linuxgpio.c
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@@ -292,6 +292,15 @@ static int linuxgpio_sysfs_open(PROGRAMMER *pgm, const char *port) {
}
}
// Set RESET pin high for 100ms before starting the programming session.
// This makes sure the target is in a known "good" condition before
// pulling the reset line down and starting the programming session
int reset_pin = pgm->pinno[PIN_AVR_RESET] & PIN_MASK;
if(reset_pin <= PIN_MAX && my.sysfs_fds[reset_pin] >= 0) {
pgm->setpin(pgm, reset_pin, 1);
usleep(GPIO_SYSFS_OPEN_DELAY);
}
return (0);
}