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bug #33114: Segfault after setting the DWEN fuse with Dragon

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* jtagII.c (jtagmkII_getsync): Instead of exit()ing from
deep within the tree when detecting the "need debugWIRE"
situation, properly pass this up as a return code.
* jtagII_private.h (JTAGII_GETSYNC_FAIL_GRACEFUL): New constant.
* stk500v2.c (stk500v2_jtagmkII_open): Don't tell anything
anymore when receiving a JTAGII_GETSYNC_FAIL_GRACEFUL from
jtagmkII_getsync(); silently give up (all necessary has been
said already).



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@983 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
2011-08-26 10:05:09 +00:00
parent a97f200ff7
commit 1f8dc4dc52
4 changed files with 24 additions and 5 deletions
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9
stk500v2.c
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@@ -2816,6 +2816,7 @@ static int stk500v2_jtagmkII_open(PROGRAMMER * pgm, char * port)
{
long baud;
void *mycookie;
int rv;
if (verbose >= 2)
fprintf(stderr, "%s: stk500v2_jtagmkII_open()\n", progname);
@@ -2856,9 +2857,11 @@ static int stk500v2_jtagmkII_open(PROGRAMMER * pgm, char * port)
mycookie = pgm->cookie;
pgm->cookie = PDATA(pgm)->chained_pdata;
if (jtagmkII_getsync(pgm, EMULATOR_MODE_SPI) != 0) {
fprintf(stderr, "%s: failed to sync with the JTAG ICE mkII in ISP mode\n",
progname);
if ((rv = jtagmkII_getsync(pgm, EMULATOR_MODE_SPI)) != 0) {
if (rv != JTAGII_GETSYNC_FAIL_GRACEFUL)
fprintf(stderr,
"%s: failed to sync with the JTAG ICE mkII in ISP mode\n",
progname);
pgm->cookie = mycookie;
return -1;
}