From 2329ae93062aedcc5840851c98e1719edf9fe0bb Mon Sep 17 00:00:00 2001 From: dbrownell Date: Sat, 26 Sep 2009 22:01:24 +0000 Subject: [PATCH] Diagnostics tweaks for jtag_examine_chain() failure paths. git-svn-id: svn://svn.berlios.de/openocd/trunk@2760 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/jtag/core.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/jtag/core.c b/src/jtag/core.c index b1d3ca0f..ff9f3e0f 100644 --- a/src/jtag/core.c +++ b/src/jtag/core.c @@ -885,8 +885,9 @@ static bool jtag_examine_chain_check(uint8_t *idcodes, unsigned count) * 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 @@ static int jtag_init_inner(struct command_context_s *cmd_ctx) /* 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) -- 2.39.2