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Merge pull request #855 from MCUdude/fix-arduino-retry-attempts 

Fix Arduino retry attempts
This commit is contained in:
Jörg Wunsch 2022-01-30 10:45:24 +01:00 committed by GitHub
parent 69177dfe3f 7144a9f2ae
commit e0bc6a8bd6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 2 deletions
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12
src/stk500.c
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@ -111,6 +111,14 @@ int stk500_getsync(PROGRAMMER * pgm)
max_sync_attempts = MAX_SYNC_ATTEMPTS;
for (attempt = 0; attempt < max_sync_attempts; attempt++) {
// Restart Arduino bootloader for every sync attempt
if (strcmp(pgm->type, "Arduino") == 0 && attempt > 0) {
serial_set_dtr_rts(&pgm->fd, 0); // Set DTR and RTS low
usleep(250*1000);
serial_set_dtr_rts(&pgm->fd, 1); // Set DTR and RTS back to high
usleep(50*1000);
stk500_drain(pgm, 0);
}
stk500_send(pgm, buf, 2);
stk500_recv(pgm, resp, 1);
if (resp[0] == Resp_STK_INSYNC){
@ -615,8 +623,8 @@ static int stk500_parseextparms(PROGRAMMER * pgm, LISTID extparms)
if (sscanf(extended_param, "attempts=%2d", &attempts) == 1) {
PDATA(pgm)->retry_attempts = attempts;
avrdude_message(MSG_INFO, "%s: serialupdi_parseextparms(): invalid extended parameter '%s'\n",
progname, extended_param);
avrdude_message(MSG_INFO, "%s: Setting number of retry attempts to %d\n",
progname, attempts);
continue;
}