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<kristianpaul> xiangfu: what happended with the other only tx hdl code?
<kristianpaul> I was wondering if the fpga4fun one was the only avaliable core...
<kristianpaul> Btw i dint knew it about this BSCAN_SPARTAN6
<xiangfu> (what happended with the other only tx hdl code?) what do you mean?
<kristianpaul> it dint work for you?
<kristianpaul> or you need rx as well as tx?
<kristianpaul> i mean the serial/uart core you was looking last time
<xiangfu> oh.
<xiangfu> I look at fpga4fun serial code.
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<xiangfu> I connect the Rx_data under the verlog code. : http://pastebin.com/JqHSYnhq
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<xiangfu> I try to input data form serial core. and read the data out by using jtag.
<xiangfu> I can control LED by using BSCAN.. but i want more exactly data.
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<kristianpaul> Yeah i was about to ask you that (control by bscan)
<xiangfu> BTW: I wrote a mini-jtag for learning: https://github.com/xiangfu/mini-jtag
<xiangfu> that can re-configure/read idcode/load bistream to slx9.
<xiangfu> I have tested the code with m1. it works fine with m1(slx45) :)
<kristianpaul> Yeah i noticed it too :-)
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<kristianpaul> yup, looking at it
<kristianpaul> had you asked to azonenberg? perhaps you can use his uart core, so it can distributed in your examples
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<kristianpaul> n8 :)
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<whitequark> this is a capture from an UART between an STM32 chip and a CP2102 USB-to-UART transceiver
<whitequark> why could it look like this?
<whitequark> i.e. very high ripple
<whitequark> I guess it's due to parasitic capacitors and inductors somewhere in the circuit
<kristianpaul> perhaps you could do a loop in both devices send data and repeat the capture again to isolate a posible problem in one of then?..
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<whitequark> hm, how would that help?
<whitequark> I don't quite get the idea
<kristianpaul> well you just said have to separate boards?
<kristianpaul> or both ICs are in the same pcb?
<kristianpaul> perhaps i was confused
<kristianpaul> help to debug..
<whitequark> same pcb
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<rzk> whitequark: place 10ohm inline
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