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warning output upon connection problems. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@882 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-07-30 05:56:53 +00:00
parent 984dd0635c
commit 7991286814
1 changed files with 6 additions and 2 deletions
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8
src/jtag/jtag.c
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@ -1361,6 +1361,8 @@ int jtag_examine_chain()
/* LSB must not be 0, this indicates a device in bypass */ /* LSB must not be 0, this indicates a device in bypass */
device_count++; device_count++;
LOG_WARNING("Device was in bypass after TRST/TMS reset");
bit_count += 1; bit_count += 1;
} }
else else
@ -1371,6 +1373,7 @@ int jtag_examine_chain()
if (idcode == 0x000000FF) if (idcode == 0x000000FF)
{ {
int unexpected=0;
/* End of chain (invalid manufacturer ID) /* End of chain (invalid manufacturer ID)
* *
* The JTAG examine is the very first thing that happens * The JTAG examine is the very first thing that happens
@ -1385,9 +1388,10 @@ int jtag_examine_chain()
for (bit_count += 32; bit_count < (JTAG_MAX_CHAIN_SIZE * 32) - 31;bit_count += 32) for (bit_count += 32; bit_count < (JTAG_MAX_CHAIN_SIZE * 32) - 31;bit_count += 32)
{ {
idcode = buf_get_u32(idcode_buffer, bit_count, 32); idcode = buf_get_u32(idcode_buffer, bit_count, 32);
if (idcode != 0x000000FF) if (unexpected||(idcode != 0x000000FF))
{ {
LOG_WARNING("Unexpected idcode after end of chain! 0x%08x", idcode); LOG_WARNING("Unexpected idcode after end of chain! %d 0x%08x", bit_count, idcode);
unexpected = 1;
} }
} }