#milkymist IRC log for Monday, 2012-08-20

--- Mon Aug 20 201200:00
kristianpaulhttp://www.reddit.com/r/IAmA/comments/ybmmh/we_are_engineers_and_scientists_on_the_mars/c5u4y7c?context=314:06
xiangfu can I read the 'reg' variable out by using jtag, or what should I do that I can keep a value for jtag reading?14:11
xiangfukristianpaul, ^14:11
kristianpaulhmm14:12
kristianpauli would read it by a tx-only serial port, to be honest i havent use much jtag besides programing the rom..14:13
xiangfuok.14:14
kristianpaulor you can shift it and stream it by a pin? lol wich is mostly same serial port but at a faster rate of course14:15
kristianpaulah, http://www.xess.com/appnotes/FpgasNowWhatBook.pdf page 7414:17
kristianpaulxiangfu:^^14:17
xiangfudownloading..14:17
xiangfuthanks kristianpaul14:17
kristianpaulbut it seems receive aid form another firmware...14:18
kristianpaulxiangfu: can you bit drive individually both TDI and  TDP from jtag?14:23
kristianpauli explain, use it as general porpuse I/O ?14:23
xiangfukristianpaul, you mean the fpga chip pins(TDI / TDO).14:27
xiangfubut it's 'dedicate pins' which can only used as jtag stuff.14:27
kristianpaulhmm14:27
kristianpaulno i mean on the jtag serial/port..14:28
xiangfukristianpaul, I think we can.14:39
--- Tue Aug 21 201200:00

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