#linuxcnc-devel | Logs for 2016-03-26

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[00:07:17] <seb_kuzminsky> sigh
[00:07:37] <jepler> seb_kuzminsky: ?
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[00:34:03] <seb_kuzminsky> i've told you like a million times
[00:34:15] <seb_kuzminsky> dont run out of disk or there will be consequences
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[00:45:01] <jepler> buildbot again?
[00:45:07] <jepler> :-/
[00:45:09] <jepler> https://emergent.unpythonic.net/files/sandbox/hostmot2-stepgen-1000ppmloss.png
[00:45:35] <jepler> if you look closely, you can see the glitch in position feedback around the 3rd vertical div
[00:45:48] <jepler> this is with simulated loss of .001 of all packets
[00:46:27] <jepler> in this plot, stepgen is being operated in velocity mode with a constant command
[00:47:54] <jepler> servo period is 500Hz, time waited for packet to arrive is (period/10), which will need to be made a tunable..
[00:58:08] <KGB-linuxcnc> 03Jeff Epler 05jepler/master/eth-packet-loss 8634b13 06linuxcnc 10src/hal/drivers/mesa-hostmot2/hostmot2-lowlevel.h 10src/hal/drivers/mesa-hostmot2/hostmot2.c hm2_eth: add a read deadline field to llio * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=8634b13
[00:58:09] <KGB-linuxcnc> 03Jeff Epler 05jepler/master/eth-packet-loss e741660 06linuxcnc 10src/hal/drivers/mesa-hostmot2/hm2_eth.c 10src/hal/drivers/mesa-hostmot2/hm2_eth.h hm2_eth: use read deadline for queued reads * 14http://git.linuxcnc.org/?p=linuxcnc.git;a=commitdiff;h=e741660
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[15:12:49] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15sirop opened pull request #47: PktUART driver for MESA (06master...06PktUART_LinuxCNC) 02https://github.com/LinuxCNC/linuxcnc/pull/47
[15:20:33] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15sirop closed pull request #47: PktUART driver for MESA (06master...06PktUART_LinuxCNC) 02https://github.com/LinuxCNC/linuxcnc/pull/47
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[15:45:02] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15sirop opened pull request #48: PktUART driver for MESA (06master...06PktUART_LinuxCNC) 02https://github.com/LinuxCNC/linuxcnc/pull/48
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[16:47:51] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15SebKuzminsky commented on issue #48: Hi Boris, thanks for the PR.... 02https://github.com/LinuxCNC/linuxcnc/pull/48#issuecomment-201891016
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[17:21:19] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15sirop commented on issue #48: I used 6i25 in 5i25 mode with 7i75 as a daughter board. ... 02https://github.com/LinuxCNC/linuxcnc/pull/48#issuecomment-201896124
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[17:55:57] <seb_kuzminsky> i just pushed our hm2 firmware to this repo: https://github.com/LinuxCNC/hostmot2-firmware
[17:58:17] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15SebKuzminsky commented on issue #48: I just pushed our hostmot2-firmware to a new github repo, please make a PR there: https://github.com/LinuxCNC/hostmot2-firmware... 02https://github.com/LinuxCNC/linuxcnc/pull/48#issuecomment-201907095
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[18:23:57] <micges> hi guys
[18:24:15] <micges> I've seen stange behaviour: http://imgbin.ca/view/qeEv7.png
[18:25:53] <micges> this is happening when abort message from halui is sent before task will sync interpreter at start
[18:31:54] <seb_kuzminsky> i dont notice anything strange about that screencap - give me a hint?
[18:32:32] <micges> g53 ?
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[18:33:30] <micges> it should be g54-g59.3
[18:33:46] <micges> it's becouse s.g5x_index == 0
[18:33:52] <micges> and should be from 1 to 9
[18:35:08] <seb_kuzminsky> and you can trigger it by aborting during startup? that's great
[18:35:50] <micges> yep
[18:36:18] <pcw_home> speaking of bugs: motion.servo.last-period is broken in the latest 2.7
[18:36:37] <seb_kuzminsky> when it rains, it pours
[18:37:12] <seb_kuzminsky> zlog:
[18:37:13] <zlog> seb_kuzminsky: Log stored at http://tom-itx.no-ip.biz:81/~tom-itx/irc/logs/%23linuxcnc-devel/2016-03-26.html
[18:38:35] <pcw_home> looks like a subtract to get the delta time is not done so it just counts to 4G and wraps
[18:39:01] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15SebKuzminsky opened issue #49: 2.6: abort during startup interrupts startup 02https://github.com/LinuxCNC/linuxcnc/issues/49
[18:39:47] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15SebKuzminsky opened issue #50: 2.7: motion.servo.last-period is broken 02https://github.com/LinuxCNC/linuxcnc/issues/50
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[19:01:00] -linuxcnc-github:#linuxcnc-devel- [13linuxcnc] 15sirop commented on issue #48: Updated my first comment. ... 02https://github.com/LinuxCNC/linuxcnc/pull/48#issuecomment-201911835
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[19:23:13] <seb_kuzminsky> pcw_home: do you have any advise on PR #48?
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[19:33:14] <pcw_home> Only that I will likely update the firmware to add parity and a digital filer on the RX UART parts input
[19:33:16] <pcw_home> so a driver should look at the module revision and balk if its too new
[19:33:31] <pcw_home> s/filer/filter/
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[19:51:19] <seb_kuzminsky> is this something you collaborated with Boris on?
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[19:58:12] <jepler> ulp, did my change to motion bork .last-period?
[19:59:00] <andypugh> seb_kuzminsky: https://forum.linuxcnc.org/forum/24-hal-components/30262-reading-uart-rx-count-register-on-mesa-5i25-6i25?limitstart=0
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[22:49:14] <seb_kuzminsky> andypugh: thanks, that gives some context
[22:49:20] <seb_kuzminsky> what's your take?
[22:51:14] <andypugh> I haven’t looked in detail (I only got home from a skiing holiday a few hours ago) but I can’t see it breaking anything, it will only ever ve excercised with bitfiles that include pktUART
[22:56:59] <seb_kuzminsky> yeah
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