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显示代码如下:是配置问题,还是别的什么问题呢?
Open On-Chip Debugger 1.0 (2008-10-04-09:26) svn:717 $URL: svn://svn.berlios.de/openocd/trunk/src/openocd.c $ Info: options.c:50 configuration_output_handler(): jtag_speed: 0, 0 Info: options.c:50 configuration_output_handler(): Open On-Chip Debugger 1.0 (2008-10-04-09:26) svn:717 Error: jtag.c:1351 jtag_examine_chain(): JTAG communication failure, check connection, JTAG interface, target power etc. Error: jtag.c:1556 jtag_init_inner(): trying to validate configured JTAG chain anyway... Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1565 jtag_init_inner(): Could not validate JTAG chain, exit Error: jtag.c:1351 jtag_examine_chain(): JTAG communication failure, check connection, JTAG interface, target power etc. Error: jtag.c:1556 jtag_init_inner(): trying to validate configured JTAG chain anyway... Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1444 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch, scan returned 0x00 Error: jtag.c:1565 jtag_init_inner(): Could not validate JTAG chain, exit |
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2个回答
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很抱歉现在才回你贴子。
问题解决了吗?楼主请与我联系:QQ 17653039,我大多时候都在线的。 请确认: 1. 开发板上的JTAG引脚定义与OpenJTAG的JTAG引脚定义是否一致? 2. 重新拔插一下连线再试试 |
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我刚买来用时也出现这个问题,原来是openjtag上的jtag端与开发板上的jtag端接反了。因为那样接线很顺手,openjtag的线是朝外的,如果像现在这样正常的接,在我开发板上,jtag线朝开发板内伸出。
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