[Openocd-svn] r2760 - trunk/src/jtag

[dbrownell at B. <dbr...@ma...>]

Author: dbrownell
Date: 2009-09-27 00:01:24 +0200 (Sun, 27 Sep 2009)
New Revision: 2760

Modified:
   trunk/src/jtag/core.c
Log:
Diagnostics tweaks for jtag_examine_chain() failure paths.


Modified: trunk/src/jtag/core.c
===================================================================
--- trunk/src/jtag/core.c	2009-09-26 19:18:42 UTC (rev 2759)
+++ trunk/src/jtag/core.c	2009-09-26 22:01:24 UTC (rev 2760)
@@ -885,8 +885,9 @@
 	 * the scan is not valid */
 	if (zero_check == 0x00 || one_check == 0xff)
 	{
-		LOG_ERROR("JTAG communication failure: check connection, "
-			"JTAG interface, target power etc.");
+		LOG_ERROR("JTAG scan chain interrogation failed: all %s",
+				(zero_check == 0x00) ? "zeroes" : "ones");
+		LOG_ERROR("Check JTAG interface, timings, target power, etc.");
 		return false;
 	}
 	return true;
@@ -1238,7 +1239,7 @@
 	/* examine chain first, as this could discover the real chain layout */
 	if (jtag_examine_chain() != ERROR_OK)
 	{
-		LOG_ERROR("trying to validate configured JTAG chain anyway...");
+		LOG_ERROR("Trying to use configured scan chain anyway...");
 	}
 
 	if (jtag_validate_ircapture() != ERROR_OK)