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I don't know why the JTAG stoped working ... I'm using Microtronix's Cyclone EP1C20.
When I try to upload to the board, I got these messages : - inside Nios SDK 5.0.1 Build: 86, uploading the kernel : ------------------------------------------------ Microtronix Linux Extensions Version 1.4, Built June 20, 2005 ------------------------------------------------ 06/09/2005 20:44:05 - (INFO) nios2-flash-programmer: Launching Quartus Programmer to download: D:/Programas/Altera/Nios/components/altera_nios_dev_board_cyclone_1c20/system/altera_nios_dev_board_cyclone_1c20.sof Error: Can't scan JTAG chain. Error code 87. 06/09/2005 20:44:06 - (SEVERE) nios2-flash-programmer: Unable to download SOF: D:/Programas/Altera/Nios/components/altera_nios_dev_board_cyclone_1c20/system/altera_nios_dev_board_cyclone_1c20.sof, exiting I have tryed to auto-detect the hardware in the Quartus II Programmer, and it say to me : Unable to scan device chain. Can't scan JTAG chain. I dont remember where these showed up too: Error: Can't access JTAG chain Error: Operation failed I dont know what to do. I have tryed to set the jumpers back to the default, as is in Cyclone Data Sheet. Everything seems normal. I can not upload the Kitchen_sink core, because the erros of JTAG smile.gif , so I can't test it. Any suggestions ?? Regards. Arthur.Link Copied
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--- Quote Start --- originally posted by arthur@Sep 8 2005, 06:40 AM i don't know why the jtag stoped working ... i'm using microtronix's cyclone ep1c20.
when i try to upload to the board, i got these messages :
- inside nios sdk 5.0.1 build: 86, uploading the kernel :
------------------------------------------------
microtronix linux extensions
version 1.4, built june 20, 2005
------------------------------------------------
06/09/2005 20:44:05 - (info) nios2-flash-programmer: launching quartus programmer to download:
d:/programas/altera/nios/components/altera_nios_dev_board_cyclone_1c20/system/altera_nios_dev_board_cyclone_1c20.sof
error: can't scan jtag chain. error code 87.
06/09/2005 20:44:06 - (severe) nios2-flash-programmer: unable to download sof: d:/programas/altera/nios/components/altera_nios_dev_board_cyclone_1c20/system/altera_nios_dev_board_cyclone_1c20.sof, exiting
i have tryed to auto-detect the hardware in the quartus ii programmer, and it say to me :
unable to scan device chain. can't scan jtag chain.
i dont remember where these showed up too:
error: can't access jtag chain
error: operation failed
i dont know what to do. i have tryed to set the jumpers back to the default, as is in cyclone data sheet. everything seems normal. i can not upload the kitchen_sink core, because the erros of jtag smile.gif , so i can't test it.
any suggestions ??
regards.
arthur.
<div align='right'><{post_snapback}> (index.php?act=findpost&pid=9640)
--- quote end ---
--- Quote End --- I have the same problem on the same Board....!! Can you help me
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Hi,
Maybe, You connect to the wrong ByteBlaster Port. There have two ports in Mtx Cyclone Board, you should connect to ByteBlasterMV(J10). Please Check your cable connection first. Regards, LiangYi- Mark as New
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--- Quote Start --- originally posted by liangyi@Oct 8 2005, 10:42 PM hi,
maybe, you connect to the wrong byteblaster port. there have two ports in mtx cyclone board, you should connect to byteblastermv(j10).
please check your cable connection first.
regards,
liangyi
<div align='right'><{post_snapback}> (index.php?act=findpost&pid=10241)
--- quote end ---
--- Quote End --- Thanks for your answer, but i connect to the right cable..i have check it many times... I tried to reload the core mtx kitchen sink but dont work.. do you have another idea
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Hi,
Can you give me more detailed information about your reloading process ? LiangYi- Mark as New
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--- Quote Start --- originally posted by liangyi@Oct 11 2005, 12:57 AM hi,
can you give me more detailed information about your reloading process ?
liangyi
<div align='right'><{post_snapback}> (index.php?act=findpost&pid=10282)
--- quote end ---
--- Quote End --- I followed the instructions given in Appendix D the P32 of "Product data sheet.pdf"
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Me,too.
I always exit NIOS2 IDE(close), and reopen. Or, shutdown the board and repower up. It always worked. I don't know why.- Mark as New
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Sometimes I run into this problem on my laptop. This seems to happen when I launch Quartus or Eclipse once with my USBblaster connected, then the next time I launch them without having it connected. Before I can use it the next time, I must open Quartus, select the Programmer (under tools), then go to the hardware setup option (top left) and reselect my USBblaster.
Hope this helps, Doug
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