Friday, 2016-06-03

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mithrossk1328: So, you got your weekly report?04:06
ssk1328mithro: I have added this week's report in the doc.04:07
tpbTitle: GSOC Weekly Reports - Google Docs (at
mithrossk1328: Thanks!04:13
mithrossk1328: you should sort them in reverse order04:14
mithrossk1328: Did you see my comments on your pull request?
tpbTitle: Added heartbeat.c file by ssk1328 · Pull Request #261 · timvideos/HDMI2USB-misoc-firmware · GitHub (at
ssk1328mithro: Yeah, was just going through them today04:25
ssk1328mithro: I should be able to complete the required changes by today04:25
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mithrohey rohitksingh_work04:56
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rohitksingh_workmithro: hi!04:56
mithrorohitksingh_work: sab is still doing exams, right?04:57
rohitksingh_workmithro: yeah. till 6th04:58
rohitksingh_workmithro: after that he needs to gear up a bit04:58
mithrorohitksingh_work: agreed04:59
mithrorohitksingh_work: did you see the Opsis power supply email?04:59
ssk1328mithro: For the VC meeting, ready when you are.05:01
rohitksingh_workmithro: yes. The values which I had earlier provided were measured with Shipping Firmware running. I've also added measurements for No Firmware. For load testing, I've forwarded the work to the Test department. I'll update the sheet after they are done.05:01
mithrorohitksingh_work: okay05:01
mithrorohitksingh_work: can you check my "max load" ohm calculations too?05:01
rohitksingh_workmithro: Also, I have doubt on what do you mean by Short Circuit voltage? akaik there are open circuit voltage and short circuit current terms...short circuit voltage is ambiguous since it will always be zero05:02
mithrorohitksingh_work: V/I=R :)05:02
rohitksingh_workmithro: Okay. I'll check that too05:02
rohitksingh_workwhen we short circuit, the voltage difference becomes zero...we can meaure current...but at which point do we meaure voltage? The external port will have zero voltage diff wrt ground right?05:04
rohitksingh_workanyways I've told the test dept to measure that too :p05:05
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mithrorohitksingh_work: depends on where you are measuring the voltage06:49
mithrossk1328: I'm around for a bit now06:54
mithroI also finally have a production opsis on my desk06:54
ssk1328mithro: I will setup my Opsis here. will take me 5 mins.06:56
mithroactually - brb06:56
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ssk1328mithro: This is the error I get after I run make load-gateware07:11
tpbTitle: [Bash] cd third_party/misoc && python3 --external /home/shashank/Desktop/built/ - (at
mithrossk1328: back now07:11
mithrossk1328: so, before you can load gateware, your board needs to be in jtag mode07:11
mithro"Error: unable to open ftdi device: device not found" means it couldn't find the board in jtag mode07:12
ssk1328mithro: I guess the bunch of scripts CarlFK showed yesterday should do that07:13
tpbTitle: video-scripts/ at master · xfxf/video-scripts · GitHub (at
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mithrossk1328: correct07:15
ssk1328mithro: So to get the Opsis in JTAG mode, I need to run this?
tpbTitle: video-scripts/ at master · xfxf/video-scripts · GitHub (at
mithrossk1328: not all of that07:16
mithrojust "./ --mode=jtag --verbose"07:17
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ssk1328mithro: I ran the JTAG command, and then this is the output of make load-gateware07:20
tpbTitle: cd third_party/misoc && python3 --external /home/shashank/Desktop/built/ - (at
ssk1328But the HDMI_OUT is still color bar pattern07:21
CarlFKI am 1/2 asleep, and heading back to bed...07:23
mithrossk1328: first thing is to see if you can read the DNA07:23
CarlFKloaded file build... looks ok to me.07:24
CarlFKbut never mind me.. mithro is here, im off07:24
* CarlFK waves and wanders back to bed07:24
ssk1328mithro: DNA? How can I read that?07:25
mithrossk1328: something like07:25
mithroopenocd --file board/numato_opsis.cfg -c "init; xc6s_print_dna xc6s.tap; exit"07:26
ssk1328mithro: Output of the above command.
tpbTitle: (HDMI2USB) [email protected]:~/Desktop/built/HDMI2USB-misoc-firmware$ openocd - (at
ssk1328Also the pattern is now off07:29
mithrossk1328: so, a DNA value of 0x1818.... is not valid, so jtag isn't working correctly07:29
CarlFK0x181818181818181 is what I see all the time.  I try again, and on the 2nd or 3rd try it works.07:30
CarlFKthats the # repeat these 3 lines until it works07:30
ssk1328Also the USB mode in lsusb has changed back to 16c0:06ad Van Ooijen Technische Informatica Mode07:31
ssk1328And now I need to power cycle for 20 seconds. Am I doing something wrong here?07:32
mithrowhen you are asking to the board to be in jtag mode, that USB id is okay (for now)07:34
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tumbleweedmithro: it arrived08:04
mithrotumbleweed: does it work? :P08:05
tumbleweedI'm going to find out now08:05
tumbleweedno DNA stickers in this package08:05
mithrotumbleweed: Do you have a moment to figure out how to package the hdmi2usb-mode-switch tool?08:05
tumbleweedthat should be doable08:06
tumbleweedit does need the new openocd, though08:06
tumbleweedand the fxload tweaks08:06
mithrotumbleweed: only for the flashing side08:06
mithrofxload tweaks?08:06
mithroI'm using a stock fxload here08:07
tumbleweedI thought we had to build with libusb support?08:07
mithrotumbleweed: oh, you mean build openocd with ftdi support08:09
mithrofxload is different08:09
tpbTitle: Improve mode-switch tool by mithro · Pull Request #8 · timvideos/HDMI2USB-mode-switch · GitHub (at
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mithrotumbleweed: I might try and refactor the code to be a normal Python module08:18
tumbleweedhrm, not getting anything in mplayer08:20
tumbleweedalso, didn't come back up after a soft reboot08:20
tumbleweedendless stream of08:20
tumbleweedfx2: Waiting at 00 (end: 1BAC)08:20
tumbleweedfx2: Waiting at 00 (end: 1BAC)08:20
tumbleweedif relevant:08:21
tumbleweedBoard's DNA: 013d88d79abc6e4108:21
tumbleweedRevision 0607e926 built Jan  8 2016 23:55:4808:21
mithroWhat did the board come up as when the USB was plugged in?08:21
tumbleweedBus 002 Device 124: ID 2a19:544208:22
tumbleweedI have the UVC and ACM devices08:22
mithrotumbleweed: okay, that is good08:23
mithrotumbleweed: there is a weird bug where mplayer won't start if the serial console is connected08:24
tumbleweedyep, happy now08:26
tumbleweedI'll call that good enough08:26
mithrotumbleweed: yeah, if you connect the serial port, it'll work now too08:26
mithrotumbleweed: hopefully sab_123 work will help improve a lot of these problems08:27
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mithrotumbleweed: need to attract some more C developers to work on that08:57
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mithrotumbleweed: so expect lots of pimping at DebConf :P09:24
tumbleweedit's not too late to come pimp it :)09:26
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aom_florent_: ping14:04
CarlFKmithro: tumbleweed - that "won't start if the serial console" affects gstreamer too14:08
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