Re: [beagleboard] After inserting sd image on bbb board, it does not work.

2017-03-15 Thread robertsmaria934 via BeagleBoard 


On Wed, 3/15/17, 나종식  wrote:

 Subject: Re: [beagleboard] After inserting sd image on bbb board, it does not 
work.
 To: beagleboard@googlegroups.com
 Date: Wednesday, March 15, 2017, 8:27 AM
 
 Yes,
 wget
 
https://raw.githubusercontent.com/RobertCNelson/boot-scripts/master/tools/eMMC/bbb-eMMC-flasher-eewiki-ext4.shchmod
 +x
 bbb-eMMC-flasher-eewiki-ext4.shsudo /bin/bash
 ./bbb-eMMC-flasher-eewiki-ext4.sh
 However,
 it will not boot without sd
 card.
 
 
 
 2017-03-15 14:53 GMT+09:00
 Madhu K :
 Did you try Robert's steps to
 update microSD card to eMMC?
 
 
 
 Regards,
 
 Madhu
 
 
 
 On Wed, Mar 15, 2017 at 10:48 AM, 나종식 
 wrote:
 
 > Dear Madhu.
 
 >
 
 > When the log is checked,  Bbb Is it written well in
 emmc?
 
 >
 
 > After removing the sd card, it can not boot.
 
 >
 
 > Thank you.
 
 >
 
 > 2017-03-15 14:00 GMT+09:00 Madhu K :
 
 >>
 
 >> your logs shows everything OK.
 
 >>
 
 >> But don't know about LED's glowing. anyhow
 you can log in to your
 
 >> board and you can try experimenting what you
 want.
 
 >>
 
 >> By seeing logs what i can say is, u-boot, kernel
 image and rootfs all
 
 >> are loaded well, no problem with those images.
 
 >>
 
 >> so don't worry about those LED's, you start
 your next task.
 
 >>
 
 >> Thanks,
 
 >> Madhu
 
 >>
 
 >> On Tue, Mar 14, 2017 at 8:59 PM, 나종식 
 wrote:
 
 >> > Dear Madhu.
 
 >> >
 
 >> > Thank you for your reply.
 
 >> >
 
 >> > There is a log as attached.
 
 >> >
 
 >> > I have confirmed your serial message with your
 help.
 
 >> >
 
 >> > 1) Is this normal?
 
 >> > 2) Can you tell me how to write emmc in this
 state?
 
 >> > 3) Do I need to setup to connect? 
 ssh(192.168.7.2)
 
 >> >
 
 >> > I am a beginner to bbb.
 
 >> >
 
 >> > Thank you.
 
 >> >
 
 >> > 2017-03-14 18:04 GMT+09:00 Madhu K :
 
 >> >>
 
 >> >> Hi,
 
 >> >>
 
 >> >> you need to have USB to serial cable, USB
 interface should be
 
 >> >> connected to your host machine and serial
 pins should be connected to
 
 >> >> your BBB.
 
 >> >>
 
 >> >> Please check the below link how to
 configure serial configuration on
 
 >> >> the beaglebone black board.
 
 >> >>
 
 >> >>
 
 >> >>
 
 >> >> https://www.google.co.in/
 search?q=usb+to+serial+ converter+for+beaglebone+
 black=lnms=isch=
 X=2=0ahUKEwjv- NiT0NXSAhUKRo8KHVvrDvIQ_
 AUIBigB=1215=934#
 imgrc=1WWBsnsA_brTbM:
 
 >> >>
 
 >> >> Once the connection is done, open terminal
 on your host machine and
 
 >> >> type below commands to install some
 packages to get the console
 
 >> >> access.
 
 >> >>
 
 >> >> sudo apt-get install picocom ( these
 commands are for ubuntu machine
 
 >> >> if you have any other dist, please use
 appropriate commands )
 
 >> >>
 
 >> >> sudo adduser $USER dialout
 
 >> >>
 
 >> >> picocom -b 115200 /dev/ttyUSB0
 
 >> >>
 
 >> >> Now power up the board and check the
 prints on serial console.
 
 >> >>
 
 >> >>
 
 >> >> Regards,
 
 >> >> Madhu
 
 >> >>
 
 >> >> On Tue, Mar 14, 2017 at 11:53 AM,
 나종식 
 wrote:
 
 >> >> > Dear Madhu.
 
 >> >> >
 
 >> >> > Thank you for your reply.
 
 >> >> >
 
 >> >> > Please let me know how to connect the
 serial and I will share the
 
 >> >> > log.
 
 >> >> >
 
 >> >> > Thank you.
 
 >> >> >
 
 >> >> > 2017-03-14 15:20 GMT+09:00 Madhu K
 :
 
 >> >> >>
 
 >> >> >> Are you using usb to serial
 connection?
 
 >> >> >>
 
 >> >> >> if yes, can you share the serial
 console log.
 
 >> >> >>
 
 >> >> >> Regards,
 
 >> >> >> Madhu
 
 >> >> >>
 
 >> >> >> On Tue, Mar 14, 2017 at 10:37 AM,
 나종식 
 wrote:
 
 >> >> >> > Hello!
 
 >> >> >> >
 
 >> >> >> > I bought BeagleBone
 Black.
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> > I followed the procedure
 linked below.
 
 >> >> >> >
 
 >> >> >> >  -> https://eewiki.net/display/
 linuxonarm/BeagleBone+Black
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> > After removing the micro SD
 card,
 
 >> >> >> > When you insert an SD card
 into BeagleBone, only one LED blink
 
 >> >> >> > continuously
 
 >> >> >> > and it appears to have no
 action.
 
 >> >> >> >
 
 >> >> >> > I do not know why.
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> > I have run it like this:
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> > 1. u-boot
 
 >> >> >> >
 
 >> >> >> >   1) wget -c
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> > https://rcn-ee.com/repos/git/
 u-boot-patches/v2017.03-rc2/ 0001-am335x_evm-uEnv.txt-
 bootz-n-fixes.patch
 
 >> >> >> >
 
 >> >> >> >   2) patch -p1 <
 0001-am335x_evm-uEnv.txt- bootz-n-fixes.patch
 
 >> >> >> >
 
 >> >> >> >
 
 >> >> >> > 2.Linux Kernel
 
 >> >> >> >
 
 >> >> >> >   1) git clone
 
 >> >> >> > https://github.com/
 RobertCNelson/ti-linux-kernel- dev.git
 
 >> >> >> >
 
 >> >> >> >   2) git checkout
 origin/ti-linux-rt-4.4.y -b tmp
 
 >> >> >> >
 
 >> >> >> > 3.Ubuntu 16.04 LTS
 
 >> >> >> >   1)

Re: [beagleboard] Is there a way to send an interrupt from userspace to the PRU-ICSS?

2017-03-14 Thread robertsmaria934 via BeagleBoard 


On Tue, 3/14/17, John Syne  wrote:

 Subject: Re: [beagleboard] Is there a way to send an interrupt from userspace 
to the PRU-ICSS?
 To: beagleboard@googlegroups.com
 Date: Tuesday, March 14, 2017, 10:20 AM
 
 
 On Mar 13,
 2017, at 9:24 PM, ags 
 wrote:
 @William Hermans like you I won't
 be able to dig into the gory details of loading Linux. This
 is an interesting read (albeit high-level and prompting more
 questions). I think I can say a few things without
 understanding all the details:
 It is
 correct (from detailed reading of the TI TRM) that
 0x8000 is the physical memory address of the L3
 DDR.If Linux is leaving any
 physical memory unmapped, unused - that's a shame.
 Wasted precious resource.The PRUSS UIO driver allocates memory
 and exposes the physical address in userspace. If this is
 not used, it is also a precious wasted resource.
 Now comes the subjective
 stuff:
 I'm going to presume that Linux
 isn't stupid, and not count on it leaving
 permanently-allocated and undocumented physical memory
 addresses available for those that know the secret
 handshake.I will use the
 memory allocated by the PRUSS UIO driver to communicate
 between userspace the PRUICSS.
 If someone from TI/BeagleBoard.org responds with
 clarification on where I'm incorrect, I'll adjust my
 position. As of now, for over two  years I've been
 asking this same question and gotten no definitive response.
 Anyone know who came up with the the am335x_pru_package
 examples?Please understand,
 that TI has nothing to do with BeagleBoard.org. Also, there is no
 BeagleBoard.org support
 staff. We are all users just like yourself and we volunteer
 our time to help others. If no one answers your questions,
 then perhaps your questions are not interesting or no one
 has the time to investigate answers that you need. To answer
 your questions, we would have to read the TRM and then do
 some experimentation to get the answer. Why should we do
 this work for you when you can do this for
 yourself. 
 Learn how to use the tools
 and help yourself. For example, clone the am335x_pru_package
 repo and then do a “git blame ” and it
 will give you the e-mail of the person who wrote each line
 of code for . Pick up a good book on GIT as
 this is a very powerful tool. 
 Regards,John
 
 Thanks for your input and replies.
 Much appreciated.
 
 On Friday, March 10, 2017 at 7:30:25
 PM UTC-8, William Hermans wrote:Here is another link that should
 explain it clear enough. http://processors.wiki.ti.com/
 index.php/HOWTO_Change_the_ Linux_Kernel_Start_Address#
 Modifying_memory.h
 
 So I would say that it is not by
 accident that the base address of 0x800 works. In fact,
 if you think about it a little bit. . Read the opening
 paragraph labeled "purpose", and replace
 "DSP" with "PRU", for all intents and
 purposes. of this discussion.
 
 
 On Fri, Mar 10, 2017 at
 7:59 PM, William Hermans 
 wrote:
 OK, according to some dicumentation I
 was able to find quickly, address 0x800 is the base
 address for the start of the DDR memory on the TI EVM board.
 Which is very similar to the beaglebone in memory layout.
 
 On Fri, Mar 10, 2017 at
 7:38 PM, William Hermans 
 wrote:
 Thinking on it for a little longer, I
 almost want to say that the Address 0x800h is actually
 the start of Linux's virtual memory map. But I'm not
 100% sure.
  I'm
 doing my own research for a paying project, so can't
 really dive into documentation for something else right now
 . . .
 
 On Fri, Mar 10, 2017 at
 7:24 PM, William Hermans 
 wrote:
 
 
 On Fri, Mar 10, 2017 at
 2:53 PM, ags 
 wrote:
 I've had a hard time
 getting any definitive responses to questions on the subject
 of memory access & latency. It is true that the PRU
 cores have faster access to DRAM that is part of the
 PRU-ICSS (through the 32-bit interconnect SCR) - though not
 single-cycle - than to system DDR. However, the ARM core
 accesses DDR through L3 fabric, but the PRU-ICSS through
 L4FAST, so I'm thinking that it can access DDR faster
 than PRU-ICSS memory.
 I've also asked about differences
 in latency/throughput/contention comparing PRU-ICSS 12KB
 shared RAM v the 8KB data RAM. No response. Since both 8K
 data RAM is accessible to both PRU cores, I'm not sure
 what the benefit of the 12KB shared RAM is (thought I
 imagine there is, I just can't figure it out).
 Lastly - and even more importantly -
 is total agreement that you have to be careful about
 accessing any memory correctly. I have posted several times
 asking about the am335x_pru_package examples (using UIO). In
 at least one (https://github.com/
 beagleboard/am335x_pru_ package/blob/master/pru_sw/
 example_apps/PRU_PRUtoPRU_ Interrupt/PRU_PRUtoPRU_
 Interrupt.c), there is hardcoded use of the first 8
 bytes of physical memory at 0x8000_. I don't see how

Re: [beagleboard] Help editing BBGW's device tree

2017-03-07 Thread robertsmaria934 via BeagleBoard 


On Wed, 3/8/17, Robert Nelson  wrote:

 Subject: Re: [beagleboard] Help editing BBGW's device tree
 To: "Beagle Board" 
 Date: Wednesday, March 8, 2017, 2:49 AM
 
 On Tue, Mar 7, 2017 at
 6:11 PM,  
 wrote:
 > Hello everyone, sorry if my
 question has been already answered - I have been
 > looking around for a while and haven't
 found a good answer.
 >
 > I am interested in adding some hardware to
 the Beaglebone Green Wireless
 > board,
 but in order to do that I need to change some of the device
 tree/pin
 > mux settings. I would like to
 eventually build a .img file with all of the
 > beaglebone functionality including my
 additional hardware for easy SD card
 >
 loading (as the currently provided images are capable
 of).
 >
 > I have never
 built a Linux image myself, and though this page (
 > https://eewiki.net/display/linuxonarm/BeagleBone+Black
 ) is helpful, the
 > formatting makes
 it confusing which commands correspond to which
 processes.
 
 Just follow it
 in order, top to bottom...
 
 >
 > My understanding is
 that images can be built using seeed studio's
 > image-builder branch:
 >
 https://github.com/beagleboard/image-builder/tree/smaller-iot
 >
 > I don't want to
 use overlays due to some low level interfaces moving
 (UARTx
 > -> LAN, UARTy -> CAN, LDC
 ->UARTz etc)
 
 dtb-rebuilder:
 
 edit the bbgw dts and add ^ those..
 
 https://github.com/RobertCNelson/dtb-rebuilder
 
 >
 > Long
 story short: How can I build my own beaglebone green
 wireless image
 > with a custom device
 tree?
 
 Regards,
 
 -- 
 Robert
 Nelson
 https://rcn-ee.com/
 
 -- 
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 eintelegerile dintre Bucuresti si Moscova vor reizbucni pe* tema stradaniilor 
lui Hrusciov de a impune planurile sale privind specializarea economica a 
statelor membre ale C.A.E.R. in cadrul acestora  Romania era privita ca o tara 
cu bogate resurse agricole. Gheoghiu-Dej s-a pronuntat insa pentru un ritm 
sporit al industrializarii tarii  pentru a inlatura dependenta economica de 
alte state. Din 1958  la conducerea tarii s-a impus o echipa politica mai 
tanara  in care rolul important l-a avut Ion Gheorghe Maurer. Aceasta a 
prefigurat o posibila reorientare in plan extern.

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Re: [beagleboard] why is pinmux-helper needed?

2017-03-01 Thread robertsmaria934 via BeagleBoard 


On Wed, 3/1/17, John Syne  wrote:

 Subject: Re: [beagleboard] why is pinmux-helper needed?
 To: "Beagle Board" 
 Date: Wednesday, March 1, 2017, 10:26 PM
 
 You need to
 understand how the pins are configured when defined in the
 devicetree. It is the driver that does the pin configuration
 as defined in the devicetree. Without an associated driver,
 the pins defined in the devicetree won’t do anything. When
 using PRU, there is no driver, so the pins don’t get
 configured and hence that is why pinmux-helper is
 necessary.
 
 Regards,John
 
 
 
 
 
 
 On Feb 28, 2017, at 9:32 PM, ags
 
 wrote:
 If there is a better place for this post please
 move - after all, pinmux is for more than GPIO, right?
 I've been trying to figure out why
 pinmux-helper is needed. I've searched and found initial
 RFC and followup in the early years (by Charles
 Steinkuehler) and I understand the motivation (I think) as
 stated, but I don't understand the basics behind the
 why.
 Before pinmux-helper was provided,
 wasn't it possible to use sysfs to change pinmux and
 gpio settings for all exported pins? Weren't all pins
 exported? (If not, couldn't exporting them all have been
 an alternate solution?) And couldn't loading a device
 tree fragment be used to change the current state? If
 changes to pin state were to be made frequently, I can see
 how those methods would be cumbersome; however, isn't
 pin state configuration something that is done rather
 infrequently, as it implies that the BBB is being repurposed
 and connected to different hardware (physically)?
 
 This question extends to config-pin
 utility, as well as the cape-universal (and associated) dtb
 files. Wasn't all this possible already?
 Let
 me be clear that I'm not criticizing the work that has
 been done - rather I'm trying to use the evolution of
 capes, cape manager, dtb, drivers etc as a way of better
 understanding how the underlying drivers, device trees, and
 sysfs controls work.
 
 
 -- 
 
 For more options, visit http://beagleboard.org/discuss
 
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 Palatul Sturdza din Bucurestisediu al Ministerului de Externe in perioada 
interbelica

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Re: [beagleboard] Issue with WiFi USB adapter on BBB

2017-02-26 Thread robertsmaria934 via BeagleBoard 


On Sun, 2/26/17, robertsmaria934 via BeagleBoard <beagleboard@googlegroups.com> 
wrote:

 Subject: Re: [beagleboard] Issue with WiFi USB adapter on BBB
 To: beagleboard@googlegroups.com
 Date: Sunday, February 26, 2017, 7:03 AM
 
 
 
 On Sun, 2/26/17, AG M <agm6...@gmail.com>
 wrote:
 
  Subject: Re: [beagleboard] Issue with WiFi USB adapter on
 BBB
  To: "Robert Nelson" <robertcnel...@gmail.com>
  Cc: "Beagle Board" <beagleboard@googlegroups.com>
  Date: Sunday, February 26, 2017, 2:57 AM
  
  Thanks Robert. This
  works.
  
  However, I moved my
  project from BBB to BBBGW. Can I follow the same
  steps for BBGW?
  
  On Mon, Nov 28, 2016 at 3:22 PM, Robert Nelson
  <robertcnel...@gmail.com>
  wrote:
  > On Mon, Nov 28, 2016 at 2:42 PM,
  Robert Nelson <robertcnel...@gmail.com>
  wrote:
  >> On Mon, Nov 28, 2016 at
  12:09 PM, Robert Nelson <robertcnel...@gmail.com>
  wrote:
  >>> On Mon, Nov 28, 2016 at
  12:03 PM, AG M <agm6...@gmail.com>
  wrote:
  >>>> Thank you. That
  suggestion worked. I installed a pre-compiled kernel
  >>>> 4.4.27-ti-r62.
  >>>>
  >>>> I'm trying to find a
  kernel which supports these 3 things
  >>>>
  >>>> 1. Runs Xenomai
  >>>> 2. Power management with the
  wireless adapter (the current issue)
  >>>> 3. Power management features
  in kernel (CPU freq, CPU idle, Suspend-to-Ram,
  >>>> Runtime PM)
  >>>>
  >>>> With 2, manually patching and
  compiling xenomai with an existing Linux
  >>>> kernel from scratch didn't
  work (gave up due to time constraints). I had to
  >>>> install a pre-compiled kernel
  3.8.13-xenomai-r79 and then installed the
  >>>> xenomai userspace (xenomai
  2.6.4). That worked perfectly.
  >>>>
  >>>> With 3, I would like to
  suspend the CPU and then wakeup using GPIO.
  >>>>
  >>>> Any chance there is a 4.4.x
  precompiled Xenomai kernel which supports 2 and
  >>>> 3?
  >>>
  >>> Well
  i see an ipipe driver for 4.4.x:
  >>>
  >>> https://git.xenomai.org/ipipe.git/
  >>>
  >>> the
  xenomai patch merge is always fun...
  >>
  >> Okay, give
  this a shot, totally un-tested:
  >>
  >> git clone https://github.com/RobertCNelson/ti-linux-kernel-dev.git
  >> cd ti-linux-kernel-dev/
  >> git checkout
  origin/ti-linux-xenomai-4.4.y -b tmp
  >> ./build_deb.sh
  >>
  >> cp
  deploy/linux-image*.deb to target and install via:
  >>
  >> sudo dpkg -i
  linux-image*.deb
  >
  >
  debian@beaglebone:~$
  dmesg | grep Xenomai
  > [    1.662891]
  [Xenomai] scheduling class idle registered.
  > [    1.662905] [Xenomai] scheduling
  class rt registered.
  > [    1.663079]
  I-pipe: head domain Xenomai registered.
  >
  [    1.666337] [Xenomai] Cobalt v3.0.3 (Groovy Cosmic
  Halo)
  >
  > Regards,
  >
  > --
  > Robert Nelson
  > https://rcn-ee.com/
  
  -- 
  For more options, visit http://beagleboard.org/discuss
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  For
  more options, visit https://groups.google.com/d/optout.
  icolae lorga  Poporul  inspirator al civilizatiei
 si literaturii romane moderne:
 
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 For more options, visit
 https://groups.google.com/d/optout.ntre natiunile mai vechi  romanii ocupa 
necontestat in privinta numarului  locul cel dintai.  . .or se poate aprecia pe 
drept la 4 7 din intreaga populatie. inmultirea populatiei romanesti e 
TlailJdsproportinat de mare fata de cea secuiasca  maghiara si saseasca  incat 
oriunde traieste atat de aceia' |e ja locul indata. Ei sunt raspanditi in 
intreaga tara  pe de o parte in grupuri romanu intregjme satele sau jumatate 
din populatia acestora  pe de alta parte la marginea asezarilor unguresti  
secuiesti st sasesti. ...  

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Re: [beagleboard] Issue with WiFi USB adapter on BBB

2017-02-25 Thread robertsmaria934 via BeagleBoard 


On Sun, 2/26/17, AG M  wrote:

 Subject: Re: [beagleboard] Issue with WiFi USB adapter on BBB
 To: "Robert Nelson" 
 Cc: "Beagle Board" 
 Date: Sunday, February 26, 2017, 2:57 AM
 
 Thanks Robert. This
 works.
 
 However, I moved my
 project from BBB to BBBGW. Can I follow the same
 steps for BBGW?
 
 On Mon, Nov 28, 2016 at 3:22 PM, Robert Nelson
 
 wrote:
 > On Mon, Nov 28, 2016 at 2:42 PM,
 Robert Nelson 
 wrote:
 >> On Mon, Nov 28, 2016 at
 12:09 PM, Robert Nelson 
 wrote:
 >>> On Mon, Nov 28, 2016 at
 12:03 PM, AG M 
 wrote:
  Thank you. That
 suggestion worked. I installed a pre-compiled kernel
  4.4.27-ti-r62.
 
  I'm trying to find a
 kernel which supports these 3 things
 
  1. Runs Xenomai
  2. Power management with the
 wireless adapter (the current issue)
  3. Power management features
 in kernel (CPU freq, CPU idle, Suspend-to-Ram,
  Runtime PM)
 
  With 2, manually patching and
 compiling xenomai with an existing Linux
  kernel from scratch didn't
 work (gave up due to time constraints). I had to
  install a pre-compiled kernel
 3.8.13-xenomai-r79 and then installed the
  xenomai userspace (xenomai
 2.6.4). That worked perfectly.
 
  With 3, I would like to
 suspend the CPU and then wakeup using GPIO.
 
  Any chance there is a 4.4.x
 precompiled Xenomai kernel which supports 2 and
  3?
 >>>
 >>> Well
 i see an ipipe driver for 4.4.x:
 >>>
 >>> https://git.xenomai.org/ipipe.git/
 >>>
 >>> the
 xenomai patch merge is always fun...
 >>
 >> Okay, give
 this a shot, totally un-tested:
 >>
 >> git clone https://github.com/RobertCNelson/ti-linux-kernel-dev.git
 >> cd ti-linux-kernel-dev/
 >> git checkout
 origin/ti-linux-xenomai-4.4.y -b tmp
 >> ./build_deb.sh
 >>
 >> cp
 deploy/linux-image*.deb to target and install via:
 >>
 >> sudo dpkg -i
 linux-image*.deb
 >
 >
 debian@beaglebone:~$
 dmesg | grep Xenomai
 > [    1.662891]
 [Xenomai] scheduling class idle registered.
 > [    1.662905] [Xenomai] scheduling
 class rt registered.
 > [    1.663079]
 I-pipe: head domain Xenomai registered.
 >
 [    1.666337] [Xenomai] Cobalt v3.0.3 (Groovy Cosmic
 Halo)
 >
 > Regards,
 >
 > --
 > Robert Nelson
 > https://rcn-ee.com/
 
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 icolae lorga  Poporul  inspirator al civilizatiei si literaturii romane 
moderne:

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Re: [beagleboard] Connect GND and AGND?

2017-02-23 Thread robertsmaria934 via BeagleBoard 


On Thu, 2/23/17, John Syne  wrote:

 Subject: Re: [beagleboard] Connect GND and AGND?
 To: beagleboard@googlegroups.com
 Date: Thursday, February 23, 2017, 8:55 AM
 
 
 On Feb 22, 2017, at 10:14 PM, Heinz
 Hummel 
 wrote:
 Hello,
 at 
https://books.google.de/books?id=Udu6BQAAQBAJ=PA344=PA344=beaglebone+adc+op+amp=bl=CZagSBqMui=cLXCgstuc51TzoBRzMzB81RcJyU=de=X=0ahUKEwjZ6-LovKTSAhXJXBQKHfktBio4ChDoAQhJMAk#v=onepage=beaglebone%20adc%20op%20amp=false
 a wiring scheme for the analog inputs is described which
 protects the BBB/BBG from overvoltage.
 Amazingly they connect AGND and GND
 with each other. Is this really a good
 idea?Well, at some point they
 are always connected. What you want is for them to connect
 only at one point and that point should be closest to the
 power source. Think of a star connection, with the center of
 the star as the reference ground point. What you don’t
 what is digital signals flowing through the analog ground
 and that occurs when you connect AGND to DGND at more than
 one point. 
 Regards,John
 
 Thanks!
 
 
 
 
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 onducerea partidului comunist a devenit  in Romania  in perioada regimului 
Ceausescu  o casta politica  fiind controlata de familia Ceausescu prin 
intermediul unei grupari de activisti. in 1987  partidul numara 3 6 milioane de 
membri  in marea lor majoritate luptand sa supravietuiasca in conditii grele de 
munca si de viata. in martie 1989  gratie unor uriase eforturi materiale  
Romania si-a achitat datoria externa. Zecile de reorganizari de posturi la 
nivelul conducerii superioare urmareau  de fapt  punerea intregii

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Re: [beagleboard] Re: Microchip mcp2515, can over spi, not working. Wrong device tree overlay?

2017-02-18 Thread robertsmaria934 via BeagleBoard 


On Sat, 2/18/17, robertsmaria934 via BeagleBoard <beagleboard@googlegroups.com> 
wrote:

 Subject: Re: [beagleboard] Re: Microchip mcp2515, can over spi, not working. 
Wrong device tree overlay?
 To: beagleboard@googlegroups.com
 Date: Saturday, February 18, 2017, 6:29 PM
 
 
 
 On Sat, 2/18/17, Mark K Cowan <m...@open-cosmos.com>
 wrote:
 
  Subject: Re: [beagleboard] Re: Microchip mcp2515, can over
 spi, not working. Wrong device tree overlay?
  To: "BeagleBoard" <beagleboard@googlegroups.com>
  Date: Saturday, February 18, 2017, 5:16 PM
  
  I solved it with my
  own devicetree overlay, loaded after the BB-SPIDEV0
 overlay.
   It's available
  at https://github.com/battlesnake/beaglebone-spi0-mcp2515
  
  On Saturday, 18 February 2017 14:22:19 UTC, Laurits Telle
  Riple  wrote:Hi!
  I got it to work, but not using the mainline
  driver. I bought a cape from towertech to be sure that my
  hardware was correct. They shipped the device with some
  modified version of the driver. Got some help in the
 beagle
  irc chat to try to find the origin of that driver. IIRC
 the
  driver was based on a driver from many years ago, but it
  works. I have not tested it over a long period, but it
 seems
  to work. I am currently trying to get it to work with the
  mainline driver, but its not my top priority right now.
  There has been several changes to the mainline driver
 since
  I tried to use it the last time, so i hope it will work
 next
  time I try it. With the towertech driver I managed to get
 it
  to work, both by using a overlay and just making my own
 DT.
  Should be instructions on how to compile if you download
  from these links. And I think there is a dto in the zip as
  well. If I get it to work with the mainline, I will update
  this thread.
  Btw. Some other guy on irc did not get this
  driver to work with his old rev of the can cape. I think I
  have rev5. Should work with that.
   TT3201 driver for Debian 7.x
  / Kernel 3.x
  <https://dl.
  dropboxusercontent.com/u/ 2883083/TowerTech/towertech-
  tt3201-rev5.tar.gz>
  
    *
  TT3201 driver for Debian 8.x / Kernel 4.x
  <https://dl.
  dropboxusercontent.com/u/ 2883083/TowerTech/towertech-
  tt3201-rev5-kernel-4.x.tar.gz>
  
  
  tirsdag 14. februar 2017 16.11.56 UTC+1 skrev Mark K Cowan
  følgende:Hi,
  Did you ever get the MCP2515 working over SPI?
   I'm attempting that now, but I'm not sure where to
  start.
  Thanks,  Mark
  
  
  On Tuesday, 20 September 2016 14:30:39 UTC+1, Laurits
 Telle
  Riple  wrote:After chatting in
  the IRC channel with Matthijs I was encouraged to not use
  overlays, and just make my own dtb.  I have tried that
 now,
  but it doesn't seem to work properly. I've enabled
  spi0 and spi1. And used the spi_loopback to see that my
 dtb
  was working, then i expanded it by adding a clock node and
  adding the mcp in the spi config. Also, the max14830 not
  working, maybe the same issue? Anyways, this is my
  dtb: 
  /* * Copyright (C) 2012 Texas Instruments
  Incorporated - http://www.ti.com/ * * This program is
 free software; you can
  redistribute it and/or modify * it under the terms of the
 GNU General
  Public License version 2 as * published by the Free
 Software
  Foundation. */
  
  /dts-v1/;
  #include
  "am33xx.dtsi"#include
  "am335x-bone-common.dtsi"#include
  "am33xx-overlay-edma-fix.dtsi"#include
  "irq.h"
  /
  {        model =
  "TI AM335x BeagleBone
  Black";     
    compatible = "ti,am335x-bone-black",
  "ti,am335x-bone",
  "ti,am33xx";
         
  clk16m:clk16m{   
              compatible =
  "fixed-clock";                clock-frequency =
  <1600>; 
                #clock-cells =
  <0>;     
    };
         
  clk4m:clk4m{     
            compatible =
  "fixed-clock";                clock-frequency =
  <400>; 
                #clock-cells =
  <0>;     
    };};
  _reg
  {       
  regulator-min-microvolt =
  <180>; 
        regulator-max-microvolt =
  <180>; 
        regulator-always-on;};
  
  {       
  vmmc-supply =
  <_fixed>;};
  
  {       
  vmmc-supply =
  <_fixed>;        pinctrl-names =
  "default";        pinctrl-0 =
  <_pins>;        bus-width =
  <8>;     
    status = "okay";};
  _opp_table
  {       
  /*         *
  All PG 2.0 silicon may not support 1GHz but some of the
  early         *
  BeagleBone Blacks have PG 2.0 silicon which is
  guaranteed     
     * to support 1GHz OPP so enable it for PG 2.0 on this
  board.       
   */       
  oppnitro@10
 {                opp-supported-hw =
  <0x06 0x0100>;        };};
  
  _pinmux{       
  spi1_pins:spi1_pins{               
  pinctrl-single,pins=<                       
 0x190
  0x33  /* mcasp

Re: [beagleboard] Re: Microchip mcp2515, can over spi, not working. Wrong device tree overlay?

2017-02-18 Thread robertsmaria934 via BeagleBoard 


On Sat, 2/18/17, Mark K Cowan  wrote:

 Subject: Re: [beagleboard] Re: Microchip mcp2515, can over spi, not working. 
Wrong device tree overlay?
 To: "BeagleBoard" 
 Date: Saturday, February 18, 2017, 5:16 PM
 
 I solved it with my
 own devicetree overlay, loaded after the BB-SPIDEV0 overlay.
  It's available
 at https://github.com/battlesnake/beaglebone-spi0-mcp2515
 
 On Saturday, 18 February 2017 14:22:19 UTC, Laurits Telle
 Riple  wrote:Hi!
 I got it to work, but not using the mainline
 driver. I bought a cape from towertech to be sure that my
 hardware was correct. They shipped the device with some
 modified version of the driver. Got some help in the beagle
 irc chat to try to find the origin of that driver. IIRC the
 driver was based on a driver from many years ago, but it
 works. I have not tested it over a long period, but it seems
 to work. I am currently trying to get it to work with the
 mainline driver, but its not my top priority right now.
 There has been several changes to the mainline driver since
 I tried to use it the last time, so i hope it will work next
 time I try it. With the towertech driver I managed to get it
 to work, both by using a overlay and just making my own DT.
 Should be instructions on how to compile if you download
 from these links. And I think there is a dto in the zip as
 well. If I get it to work with the mainline, I will update
 this thread.
 Btw. Some other guy on irc did not get this
 driver to work with his old rev of the can cape. I think I
 have rev5. Should work with that.
  TT3201 driver for Debian 7.x
 / Kernel 3.x
 
 
   *
 TT3201 driver for Debian 8.x / Kernel 4.x
 
 
 
 tirsdag 14. februar 2017 16.11.56 UTC+1 skrev Mark K Cowan
 følgende:Hi,
 Did you ever get the MCP2515 working over SPI?
  I'm attempting that now, but I'm not sure where to
 start.
 Thanks,  Mark
 
 
 On Tuesday, 20 September 2016 14:30:39 UTC+1, Laurits Telle
 Riple  wrote:After chatting in
 the IRC channel with Matthijs I was encouraged to not use
 overlays, and just make my own dtb.  I have tried that now,
 but it doesn't seem to work properly. I've enabled
 spi0 and spi1. And used the spi_loopback to see that my dtb
 was working, then i expanded it by adding a clock node and
 adding the mcp in the spi config. Also, the max14830 not
 working, maybe the same issue? Anyways, this is my
 dtb: 
 /* * Copyright (C) 2012 Texas Instruments
 Incorporated - http://www.ti.com/ * * This program is free software; you can
 redistribute it and/or modify * it under the terms of the GNU General
 Public License version 2 as * published by the Free Software
 Foundation. */
 
 /dts-v1/;
 #include
 "am33xx.dtsi"#include
 "am335x-bone-common.dtsi"#include
 "am33xx-overlay-edma-fix.dtsi"#include
 "irq.h"
 /
 {        model =
 "TI AM335x BeagleBone
 Black";     
   compatible = "ti,am335x-bone-black",
 "ti,am335x-bone",
 "ti,am33xx";
        
 clk16m:clk16m{   
             compatible =
 "fixed-clock";                clock-frequency =
 <1600>; 
               #clock-cells =
 <0>;     
   };
        
 clk4m:clk4m{     
           compatible =
 "fixed-clock";                clock-frequency =
 <400>; 
               #clock-cells =
 <0>;     
   };};
 _reg
 {       
 regulator-min-microvolt =
 <180>; 
       regulator-max-microvolt =
 <180>; 
       regulator-always-on;};
 
 {       
 vmmc-supply =
 <_fixed>;};
 
 {       
 vmmc-supply =
 <_fixed>;        pinctrl-names =
 "default";        pinctrl-0 =
 <_pins>;        bus-width =
 <8>;     
   status = "okay";};
 _opp_table
 {       
 /*         *
 All PG 2.0 silicon may not support 1GHz but some of the
 early         *
 BeagleBone Blacks have PG 2.0 silicon which is
 guaranteed     
    * to support 1GHz OPP so enable it for PG 2.0 on this
 board.       
  */       
 oppnitro@10 {                opp-supported-hw =
 <0x06 0x0100>;        };};
 
 _pinmux{       
 spi1_pins:spi1_pins{               
 pinctrl-single,pins=<                        0x190
 0x33  /* mcasp0_aclkx.spi1_sclk,  OUTPUT_PULLUP | MODE 3
 */           
             0x194 0x33  /* mcasp0_fsx.spi1_d0,    
  INPUT_PULLUP | MODE3 */                        0x198
 0x13  /* mcasp0_axr0.spi1_d1,     OUTPUT_PULLUP | MODE 3
 */           
             0x19c 0x13  /* mcasp0_ahclkr.spi1_cs0,
  OUTPUT_PULLUP | MODE3 */               
 >;       
 };       
 spi0_pins:spi0_pins{               
 pinctrl-single,pins=<                        0x150
 0x30  /* spi0_sclk, INPUT_PULLUP | MODE0
 */           
             0x154 0x30  /* spi0_d0, INPUT_PULLUP |
 MODE0 */       
                 0x158 0x10  /* spi0_d1,
 OUTPUT_PULLUP | MODE0 */                        0x15c
 0x10  /* spi0_cs0, OUTPUT_PULLUP |

Re: [beagleboard] Best method to run config-pin after bootup?

2017-02-17 Thread robertsmaria934 via BeagleBoard 


On Fri, 2/17/17, William Hermans  wrote:

 Subject: Re: [beagleboard] Best method to run config-pin after bootup?
 To: beagleboard@googlegroups.com
 Date: Friday, February 17, 2017, 11:08 AM
 
 
 
 On Fri, Feb 17, 2017
 at 2:07 AM, William Hermans 
 wrote:
 It's been my experience
 that if you're running  4.x kernel it's best not to
 use config-pin at all. For simple GPIO it works ok most of
 the time. But for more complex configurations it may not
 work all that well. There is at least one GPIO( P9.27 I
 think ) that won't properly display it's high / low
 value despite the pin being physically changed. This has
 been confirmed on our hardware here. This, can be a game
 changer if you need to monitor the pin states, and you need
 this pin.
 
 Actually this seem to only happen on Beaglebone
 greens. I have not been able to duplicate this on any of our
 Beaglebone blacks. 
 
 My buddy uses a simple yet long winded bash script to
 test our hardware, and that works well for him. So it
 wouldn't be too much of a stretch to imagine running a
 systemd service that calls a bash script that in turn
 configures the pins via config-pin.
 
 Faster still would be to write your own device tree
 overlays, and load them via uEnv.txt at boot. This has the
 benefit of loading the pins very early ( in the initrd just
 a few seconds after boot )
 
 Experimental versions of uboot can even load overlays
 the fastest, but multiple overlay loading seems a bit
 glitched the last time I tested( a couple months ago ).
 
 The last tow options here of course having nothing to
 do with config-pin / universal IO.
 
 On Thu, Feb 16, 2017
 at 9:00 PM, Drew Fustini 
 wrote:
 Anyone have a favorite way to run config-pin
 after a BeagleBone boots up?
 
 Background:this question came up in
 this thread on the Adafruit forum where a BBGW boots with
 4.4 ti kernel and univ-all-00A0.dtbo:
 
   "Re: Green Wireless + DHT22 = not
 working?"
   https://forums.adafruit.com/vi
 ewtopic.php?f=49=111784#p559 251
 
 
 thanks,drew
 
 
 
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 441e-8292-1f39b9b2c8a7%40googl egroups.com.
 
 For more options, visit https://groups.google.com/d/op
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 otocol. Titulescu ar fi dorit ca tratatul sa fie semnat imediat  dar ministrul 
de

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Re: [beagleboard] wpa_supplicant instead of connman

2017-02-10 Thread robertsmaria934 via BeagleBoard 


On Sat, 2/11/17, woody.lois via BeagleBoard  
wrote:

 Subject: Re: [beagleboard] wpa_supplicant instead of connman
 To: beagleboard@googlegroups.com
 Date: Saturday, February 11, 2017, 12:20 AM
 
 
 
 On Sat, 2/11/17, Robert Nelson 
 wrote:
 
  Subject: Re: [beagleboard] wpa_supplicant instead of
 connman
  To: "Beagle Board" 
  Date: Saturday, February 11, 2017, 12:09 AM
  
  On Fri, Feb 10, 2017 at 4:01 PM,
  Davide Aguiari 
  wrote:
  > Hi guys,
  > I'm starting with BBGW today and I need to connect to
  some networks with
  > wpa_supplicant.
  > I've already had the wpa_supplicant confs with
 eduroam,
  freeWifi (eap-sim
  > auth) and wpa network and I'd like to use it without
  using connman.
  >
  > So I disabled it with
  > systemctl disable connman.service
  
  
  Just reflash with the latest base iot image:
  
  http://www.rcn-ee.net/rootfs/bb.org/testing/2017-02-05/iot/
  
  The default Seeed BeagleBone Green Wireless image has
  everything tied
  up to the wifidog captilve portal..
  
  Regards,
  
  -- 
  Robert Nelson
  https://rcn-ee.com/
  
  -- 
  For more options, visit http://beagleboard.org/discuss
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  For more options, visit
 https://groups.google.com/d/optout.
  oiitica interna a guvernului antonescian. in conditii
 exceptional guvernul Antonescu a intensificat reprimarea
 vietii politice prin arestari  deporta si impunerea
 unor masuri antipopulare. S-au infiintat lagare de munca si
 s- militarizat intreprinderile si institutiile.
 
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https://groups.google.com/d/msgid/beagleboard/1854743897.2248202.1486765232402%40mail.yahoo.com.
 For more options, visit
 https://groups.google.com/d/optout.aca putea fi considerata incheiata 
constituirea sistemului politic de la Paris-Versailles o data cu semnarea celui 
de-al doilea tratat cu Turcia  1923   inainte inca de aceasta data se 
produsesera semnificative polarizari in viata politica internationala care 
primejduiau grav opera politica savarsita in capitala Frantei.

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Re: [beagleboard] Invalid partition message during boot

2017-02-08 Thread robertsmaria934 via BeagleBoard 


On Wed, 2/8/17, Robert Nelson  wrote:

 Subject: Re: [beagleboard] Invalid partition message during boot
 To: "Beagle Board" 
 Cc: acheeseh...@gmail.com
 Date: Wednesday, February 8, 2017, 10:16 PM
 
 On Wed, Feb 8, 2017 at
 2:10 PM, acheesehead 
 wrote:
 > I built Linux RT for a custom
 board based upon Beagleboard xM exactly as in
 > Robert C. Nelson's page
 https://eewiki.net/display/linuxonarm/BeagleBoard.
 >
 > Here is what I get
 during boot, tried on a real Beagleboard xM and get the
 > same behavior. The booting stops at a
 u-boot prompt.
 >
 >
 U-Boot SPL 2017.03-rc1-dirty (Feb 04 2017 - 12:10:18)
 > Trying to boot from MMC1
 > SPL: Please implement spl_start_uboot()
 for your board
 > SPL: Direct Linux boot
 not active!
 > reading u-boot.img
 > reading u-boot.img
 >
 >
 > U-Boot
 2017.03-rc1-dirty (Feb 04 2017 - 12:10:18 -0700)
 >
 > OMAP3630/3730-GP
 ES1.2, CPU-OPP2, L3-200MHz, Max CPU Clock 1 GHz
 > OMAP3 Beagle board + LPDDR/NAND
 > I2C:   ready
 > DRAM:  512 MiB
 >
 NAND:  0 MiB
 > MMC:   OMAP
 SD/MMC: 0
 > *** Warning - readenv()
 failed, using default environment
 >
 > Beagle xM Rev C
 > No
 EEPROM on expansion board
 > No EEPROM on
 expansion board
 > OMAP die ID:
 101000229ff8016830c319017022
 >
 Net:   usb_ether
 > Error:
 usb_ether address not set.
 >
 > Hit any key to stop autoboot:  0
 > switch to partitions #0, OK
 > mmc0 is current device
 > Scanning mmc 0:1...
 >
 switch to partitions #0, OK
 > mmc0 is
 current device
 > SD/MMC found on device
 0
 > Checking for: /uEnv.txt ...
 > Checking for: /boot/uEnv.txt ...
 > 26 bytes read in 7 ms (2.9 KiB/s)
 > Loaded environment from /boot/uEnv.txt
 > Checking if uname_r is set in
 /boot/uEnv.txt...
 > Running uname_boot
 ...
 > ** Invalid partition 3 **
 > ** Invalid partition 4 **
 > ** Invalid partition 5 **
 > ** Invalid partition 6 **
 > ** Invalid partition 7 **
 
 Please share your
 "/boot/uEnv.txt"
 
 Regards,
 
 --
 
 Robert Nelson
 https://rcn-ee.com/
 
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 stfel  este recunoscuta suveranitatea poporului  singura in masura sa acorde 
puterea si sa impuna legea. Tot ce nu s-a oranduit prin alegerea s' vointa a 
tot norodul  urmeaza a se indeparta. Adunarea norodului  reprezinta vointa 
suverana in stat.

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Re: [beagleboard] Re: High speed encoder input capability of BBB?

2017-01-29 Thread robertsmaria934 via BeagleBoard 


On Sun, 1/29/17, Drew Fustini  wrote:

 Subject: Re: [beagleboard] Re: High speed encoder input capability of BBB?
 To: "Beagle Board" 
 Date: Sunday, January 29, 2017, 9:34 AM
 
 On Sun, Jan 15, 2017 at 2:31 AM, TJF
 
 wrote:
 > Yes, QEP is ready. I also found a workarround for the
 PWM issue, so my
 > development version fully works on 4.x kernels. But I
 still couldn't find a
 > block of time to finish the documentation, yet.
 
 Have you tried it on the 4.9.x kernel yet?
 
 I've been unable to get the tiqep kernel driver in
 4.9.5-ti-r16 to
 work so far.  I'm curious if eQEP would still work with
 your method.
 
 thanks,
 drew
 
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 ramantari si rascoale taranesti  1888-1907 . Framantarile si agitatiile 
ranimii  al caror punct culminant l-au reprezentat rascoalele  au pus in lumina 
ontradictiile din sanul societatii romanesti in pragul secolului al XX-lea si 
au onstituit forme de actiune specifica in viata satului.

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Re: [beagleboard] Phasors calculation using libpruio

2017-01-27 Thread robertsmaria934 via BeagleBoard 


On Fri, 1/27/17, John Syne  wrote:

 Subject: Re: [beagleboard] Phasors calculation using libpruio
 To: beagleboard@googlegroups.com
 Date: Friday, January 27, 2017, 8:53 PM
 
 Is there a
 reason you don’t do this on the ARM processor? In the v4.8
 kernel, the ADC uses DMA, so you can sample at full
 speed. 
 
 Regards,John
 
 
 
 
 
 
 On Jan 26, 2017, at 8:10 PM, Renzo
 Fabián 
 wrote:
 
 I have the following C code's
 parts that uses tables of sins and cosins to calculate a
 fundamental phasor of 60 Hz electrical system using 16
 samples per cycle (960 Sps):
 float
 cosins[]={1, 0.92388, 0.70711, 0.38268, 0, -0.38268,
 -0.70711, -0.92388, -1, 
              -0.92388, -0.70711, -0.38268, 0,
 0.38268, 0.70711, 0.92388};  float sins[]={0, 0.38268, 0.70711,
 0.92388, 1, 0.92388, 0.70711, 0.38268, 0,                 -0.38268,
 -0.70711, -0.92388, -1, -0.92388, -0.70711,
 -0.38268};
 ...
 for(i=0; i <16; i++){
  
  ret_r=x[15-i]*cosins[i]+ret_r; 
  ret_i=x[15-i]*sins[i]+ret_i;   }
 return 0.088388*ret_r
 -0.088388*ret_i*I;
 Is it possible to perform this using
 the libpruio in order to read 6 analog inputs? If yes? What
 is the best way to implement it if other operations were
 need, i.e. compute the division of 2 phasors.
 
 Thanks.
 
 
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 asarabia fusese incorporata de Rusia tarista la capatul razboiului ruso-oto-

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Re: [beagleboard] Re: Beagle expertise needed

2017-01-21 Thread robertsmaria934 via BeagleBoard 


On Sat, 1/21/17, William Hermans  wrote:

 Subject: Re: [beagleboard] Re: Beagle expertise needed
 To: beagleboard@googlegroups.com
 Date: Saturday, January 21, 2017, 10:57 PM
 
 You need something like this:
 
 [Unit]
 Description=imu output
 After=network.target
 
 [Service]
 ExecStart=/usr/bin/imuout.sh
 Type=oneshot
 
 [install]
 WantedBy=network.target
 
 All the rest of that
 "garbage" is exactly that - Garbage. Your script
 can deal with working directory, and not outputting to
 terminal if that's what you wish. Then you simply . .
 .
 
 systemctl
 daemon-reload
 systemctl enable  --now
 
 Making
 sure that service-name.service exists in /lib/systemd/system/
 
 As far as what target you need, well that
 I don't know. I have no clue what an IMU *is* in the
 context of Nodered, and no idea what you're trying to
 do. However, if you need your service to run, and all it
 requires is a network to be established. The above should
 work.
 
 
 
 On Sat, Jan 21, 2017 at
 1:32 PM, Richard Maurer 
 wrote:
 Yup, been all over searches for systemd, and tried
 different options.  Here is my current script
 /lib/systemd/system/imuout. service:
 [Unit]Description=imu
 output#Wants=network.target#After=syslog.target
 network.target
 
[Service]#Type=simple#User=root#Group=root#Nice=5ExecStart=/usr/bin/imuout.shWorkingDirectory=/home/
 tinkerforge/Example_project/StandardOutput=null
 [install]WantedBy=multi-user.targetAlias=imuout.service
 
 
 with the same error with various
 options above attempted and commented out
 
 On Sat, Jan 21, 2017 at 3:27 PM,
 William Hermans 
 wrote:
 If you're
 trying to enable, thus "install" a service with
 systemctl You need a Wantedby target.
 
 But just google: "how to
 systemd" +  and
 you'll probably be greated by way more hits than
 you'll ever need.
 
 On Sat, Jan 21,
 2017 at 12:40 PM, Richard Maurer 
 wrote:
 FYI, I ended up implementing the solution exactly
 as I had hoped -- One Beagle Green wireless as client,
 another Beagle hooked via ethernet to an AP as server, and
 using Nodered to TCP between the two.  It's working
 nearly exactly as I want except that I seem to be unable to
 establish a service on the BBG wireless (needed to execute a
 .py program to run an IMU.  It's giving me a The
 unit files have no installation config (WantedBy,
 RequiredBy, Also, Aliaserror when I try to
 enable the service.  Not sure why, as I was able to enable
 the Nodered service, using their code and installation
 guide.  I've seen a number of recent similar errors
 that have been reported in bug reports, so I might be doing
 the installation correctly, but just can't figure out
 what is different in the node-red service.
  Anyway thanks for the inputs, offers, and
 suggestions.  
 On Thu, Jan 12, 2017
 at 1:35 PM, TJF 
 wrote:
 
 Am Donnerstag, 12. Januar
 2017 18:56:26 UTC+1 schrieb Richard
 Maurer:So... gotta go with
 what is easiest for me to
 understand.
 That's why I introduced the ESP
 solution.
 
 It's
 plug-and-play when you spend a few further bugs and buy a
 developers board like nodeMCU.
 You plug in the USB, start a terminal and you'll also
 see what's going on with it in the Lua interpreter.
 
 For my engineers mind, this
 solution will provide faster results. You can focus on the
 necessary features and use a lot of-the-shelf features.
 
 Anyway, it's your
 decision. Good luck for your project.
 
 
 
 
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Re: [beagleboard] Re: Beagle expertise needed

2017-01-12 Thread robertsmaria934 via BeagleBoard 


On Thu, 1/12/17, Richard Maurer  wrote:

 Subject: Re: [beagleboard] Re: Beagle expertise needed
 To: beagleboard@googlegroups.com
 Date: Thursday, January 12, 2017, 7:59 PM
 
 Heinz,
 there are definitely methods that are sure to work.  Your
 suggestion is probably one of them.  But I'm not
 familiar with hostapd, and it doesn't look like it's
 as 'canned' a solution as i.e., node-red, which is
 how I'm trying to do it now.  So this isn't so much
 a 'can it be done' question as much as 'Exactly
 how can it be done?'  Thanks for the
 suggestion.
 On Thu,
 Jan 12, 2017 at 4:06 AM, Heinz Hummel 
 wrote:
 Without having tried anything in this
 direction:
 Why not use two
 BBGW, set up one as access point using hostapd and use the
 other as normal wireless client that accesses this AP?
 
 Am
 Mittwoch, 11. Januar 2017 22:33:19 UTC+1 schrieb Richard
 Maurer:If I could use a
 wired connection, I'd simply wire the GPIOs  together,
 and then I'd be all set. But I need a wireless
 solution.
 
 
 
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 neasca a devenit subiect de discutie intre Marile Puteri Sub presiunea lor 
rorTI rta a f0St obligata sa numeasca primii domni pamanteni  lonita Sandu 
Sturza -   Moldova  si Grigore Dimitrie Ghica  in tara Romaneasca . Sosirea lor 
in p pate  fn toamna anului 1822  concidea cu retragerea trupelor otomane de

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Re: [beagleboard] Bug, or conflict with kernels 4.x and universal IO

2017-01-10 Thread robertsmaria934 via BeagleBoard 


On Tue, 1/10/17, arochagus via BeagleBoard  wrote:

 Subject: Re: [beagleboard] Bug, or conflict with kernels 4.x and universal IO
 To: beagleboard@googlegroups.com
 Date: Tuesday, January 10, 2017, 6:15 PM
 
 
 
 On Tue, 1/10/17, William Hermans 
 wrote:
 
  Subject: Re: [beagleboard] Bug, or conflict with kernels
 4.x and universal IO
  To: beagleboard@googlegroups.com
  Date: Tuesday, January 10, 2017, 12:17 AM
  
  
  
  On Mon,
  Jan 9, 2017 at 3:12 PM, Robert Nelson 
  wrote: 
  
  
  
  Use this in /boot/uEnv.txt
  
  
  
  enable_uboot_overlays=1
  
  uboot_overlay_addr0=/lib/ firmware/BB-CAPE-1-00A0.dtbo
  
  uboot_overlay_addr1=/lib/ firmware/BB-CAPE-2-00A0.dtbo
  
  uboot_overlay_addr2=/lib/ firmware/BB-CAPE-3-00A0.dtbo
  
  uboot_overlay_addr3=/lib/ firmware/BB-CAPE-4-00A0.dtbo
  
  dtb_overlay=/lib/firmware/BB- CAPE-5-00A0.dtbo
  
  
  
  Regards,
  
  
  
  --
  
  Robert Nelson
  
  https://rcn-ee.com/
  
  
  
  Awesome, thanks Robert.
  
  
  
  
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  ultura de mase. Trasaturi generale. Din punct de vedere
 cultural  perioada din istoria Romaniei care debuteaza
 dupa infaptuirea Marii Uniri din 1918 si se incheie o data
 cu instalarea regimului comunist a reprezentat un
 apogeu  pregatit de desfasurarile anterioare din
 intreaga epoca moderna. Desigur  generatia marilor
 clasici  Eminescu  Creanga  Caragiale 
 isi incheiase activitatea  dar acum ia nastere un
 veritabil al doilea clasicism   demn de acest
 nume prin caracterul stabil  durabil al valorilor
 spirituale pe care Ie-a generat  nicidecum insa prin
 optiunea stilistica  deloc omogena  cateodata de-a
 dreptul modernista. Totusi  chiar daca in constiinta
 publica se incetatenesc  cu precadere  valorile de
 varf  aceasta perioada istorica poate fi  in mod
 la fel de justificat  caracterizata ca momentul de
 explozie a culturii  de difuzare a ei in toate mediile
 sociale  in care societatea romaneasca isi edifica -
 fara sa o numeasca astfel  si fara nici o nuanta
 propagandistica - o adevarata cultura de mase  care
 stimuleaza si antreneaza forte creatoare de diverse
 marimi  nu doar superlativele care constituie partea
 vizibila a icebergului cultural romanesc. Aparitia acestui
 fenomen isi afla suficiente argumente in plan istoric 
 dar si in domeniul psihologiei sociale. Istoric  el a
 fost pregatit de perioada precedenta  in care notam
 obligativitatea invatamantului primar  miscarea
 culturala la sate avandu-i ca principali agenti pe
 invatatorii din mediul rural  stimulati de initiativele
 lui Spiru Haret  iar in Transilvania activitatea
 Astrei   care  de asemenea  viza
 totalitatea romanilor  indiferent de provenienta
 sociala sau gradul de instructie. Deloc neglijabila in
 generarea acestui fenomen  de patrundere a culturii in
 toate straturile societatii  cu forme specifice 
 este si activitatea unui mare numar de asociatii si
 societati culturale  cauza  dar  in acelasi
 timp  si efect al tot mai largului interes pentru 
 cultura. Abundenta presei de tot felul  de la efemere
 aparitii de gazete locale  uneori doar cu caracter
 ocazional  pana la marile cotidiene citite in intreaga
 tara.
 
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 For more options, visit
 https://groups.google.com/d/optout.selor lor politice. Pentru imbunatatirea 
situatiei taranimii  conservatorii

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Re: [beagleboard] Re: BBGW - Boot 3.8 kernel ?

2017-01-07 Thread robertsmaria934 via BeagleBoard 


On Sun, 1/8/17, Oliv'  wrote:

 Subject: Re: [beagleboard] Re: BBGW - Boot 3.8 kernel ?
 To: "BeagleBoard" 
 Date: Sunday, January 8, 2017, 1:24 AM
 
 
 
 Le samedi 7 janvier 2017
 18:55:33 UTC+1, RobertCNelson a écrit :On Sat, Jan 7, 2017 at 10:11 AM,
 Oliv'  wrote:
 
 >
 
 >
 
 > Le samedi 7 janvier 2017 16:51:26
 UTC+1, RobertCNelson a écrit :
 
 Or just use v4.4.x-bone as that supports
 uio_pruss out of box like 3.8.13
 
 I will try but this set
 of patches you applied on 3.8 need to be updated...might
 not be easy for me but a good way to learn !
  > I might try if their is no
 other option. But could you please point me to
 
 > some doc explaining why wlan can not
 be used ?
 
 "I" don't care enough about
 3.8.13 to backport all the wlcore/wl18xx
 
 changes needed for 3.8.13.
 
 Ok, understood, thank
 you 
 
 
 
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 onducatori  ai  comunistilor  din   Romania   in   1945.   De  la  stanga  la  
dreapta:   Nicolae Ceausescu  Alexandru Draghici  Gheorghe Gheorghiu-Dej  Ana 
Pauker  Emil Bodnaras

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Re: [beagleboard] Is the elinux x15 page up-to-date?

2016-12-23 Thread robertsmaria934 via BeagleBoard 


On Fri, 12/23/16, Jason Kridner  wrote:

 Subject: Re: [beagleboard] Is the elinux x15 page up-to-date?
 To: beagleboard@googlegroups.com
 Date: Friday, December 23, 2016, 7:17 AM
 
 
 
 > On Dec 22, 2016, at 3:13 AM, Rick Mann
 
 wrote:
 > 
 > According
 to the page 
(http://elinux.org/Beagleboard:BeagleBoard-X15#BeagleBoard-X15_Distributors),
 the x15 has been shipping 250 units per week since the end
 of September. But Element 14 shows it as "coming
 soon," rather than backordered.
 >
 
 > It occurs to me the x15 might be a
 good platform for building OS images for the BBB (or itself,
 for that matter).
 
 https://builds.beagleboard.org uses an
 X15. 
 
 > 
 > Like everyone else, I'm sure, I'd
 like to know when the x15 will actually be delivered.
 > 
 > Thanks!
 > 
 > -- 
 > Rick Mann
 > rm...@latencyzero.com
 > 
 > 
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 https://groups.google.com/d/optout.
 
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 sclusivismul de rasa a declarat razboiu de esterminare limbei si 
nationalitatii noastre

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Re: [beagleboard] connecting to 192.168.7.2 failing after updating to kernel 4.1.36-bone-rt-r24

2016-12-21 Thread robertsmaria934 via BeagleBoard 


On Wed, 12/21/16, Robert Nelson  wrote:

 Subject: Re: [beagleboard] connecting to 192.168.7.2 failing after updating to 
kernel 4.1.36-bone-rt-r24
 To: "Beagle Board" 
 Cc: "Beninio Mbila" 
 Date: Wednesday, December 21, 2016, 10:00 PM
 
 On Wed, Dec 21, 2016 at
 12:05 PM, malkowki 
 wrote:
 > Dear,
 >
 > after updating my beaglebone REVC board
 from kernel 4.1.21-bone-rt-r20 to
 >
 4.1.36-bone-rt-r24 using Robert Nelson script , I am having
 issue connecting
 > from  ssh Putty Host
 Window7 PC  to the board via USB to 192.168.7.2.
 > Before the update it was working perfectly
 now it looks like the USB Serial
 > Gadget
 drivers got corrupted?
 >
 > Is there a way to restore this?
 
 Well part of the problem
 "4.1.21-bone-rt-r20" didn't actually have
 "RT" enabled, that first got fixed in
 "4.1.24-bone-rt-r22" via:
 
 
https://github.com/RobertCNelson/bb-kernel/commit/6188fa0514e557f195362481a0d5087c3891f4e6
 
 Otherwise, RT =
 CONFIG_PREEMPT/CONFIG_PREEMPT_RT_FULL and usb
 problem's this isn't really new
 
 This has always been a known
 issue, i bet if you swap to the non-rt
 version of 4.1.21-bone20 it'll work just
 fine..
 
 Regards,
 
 -- 
 Robert
 Nelson
 https://rcn-ee.com/
 
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 6Carol. Acesta s-a casatorit in 1892 cu principesa Maria de Edinburgh  nepoata 
reginei Victoria a Angliei. La 14 26 martie 1881  Parlamentul a votat 
transformarea Romaniei in Regat  punand inca o data Europa in fata faptului 
implinit. Romania isi decidea  astfel  singura  soarta in istorie. in 1881  
tara noastra intretinea relatii diplomatice cu 18 state ale lumii.

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