Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

So . . . ioctl(3, RTC_WIE_ON or RTC_WKALM_SET, {enabled=1, pending=0, {tm_sec=56, tm_min=20, tm_hour=5, tm_mday=4, tm_mon=4, tm$ fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 0), ...}) = 0 mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6f0b000 write(1,

Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

william@beaglebone:~$ uname -r 4.4.8-ti-r22 william@beaglebone:~$ sudo su root@beaglebone:/home/william# echo mem > /sys/power/state bash: echo: write error: Invalid argument Not sure if this is helpful. root@beaglebone:/home/william# lsmod Module Size Used by bnep

Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

Yeah I don't know . . . something seems to be terribly broken. william@beaglebone:~$ uname -r 4.1.22-ti-r59 william@beaglebone:~$ sudo su root@beaglebone:/home/william# echo mem > /sys/power/state bash: echo: write error: Invalid argument Next up, I'm going ot attempt to get it working with the

Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

Ah, ok my bad i missed it. You used a 4.4 regular ( non rt ) kernel. On Tue, May 3, 2016 at 8:03 PM, William Hermans wrote: > Robert, did you test "mem" on an rt kernel or regular ? > > On Tue, May 3, 2016 at 8:02 PM, Robert Nelson > wrote: > >> >>

Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

Robert, did you test "mem" on an rt kernel or regular ? On Tue, May 3, 2016 at 8:02 PM, Robert Nelson wrote: > > > On Tue, May 3, 2016 at 9:59 PM, William Hermans wrote: > >> root@beaglebone:/home/william# echo mem > /sys/power/state >> bash: echo:

Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

On Tue, May 3, 2016 at 9:59 PM, William Hermans wrote: > root@beaglebone:/home/william# echo mem > /sys/power/state > bash: echo: write error: Invalid argument > root@beaglebone:/home/william# uname -r > 4.1.22-ti-rt-r59 > > Replacing "mem", with "disk" pretends to work, but

Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

root@beaglebone:/home/william# echo mem > /sys/power/state bash: echo: write error: Invalid argument root@beaglebone:/home/william# uname -r 4.1.22-ti-rt-r59 Replacing "mem", with "disk" pretends to work, but it does not. william@beaglebone:~$ time sudo rtcwake -m disk -s 60 && ls rtcwake:

Re: [beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

On Tue, May 3, 2016 at 8:10 PM, wrote: > Should power management functions (mem/standby) be working with 4.x TI > kernels on the BeagleBone Black for at least some subset of hardware > versions? Or was full support intentionally disabled due to hardware > related

Re: [beagleboard] Where can I find the source code for "4.1.15-ti-rt-r40"?

> > I've just got caught out by this myself. I wanted to reproduce build > 4.4.6-ti-r15. So I cloned > https://github.com/RobertCNelson/ti-linux-kernel-dev.git and checked out > the 4.4.6-ti-r15 tag. But I got a similar error with the patch. > > I think what I was trying to do was a reasonable

[beagleboard] Current State of Power Management in Linux 4.x-ti Kernels for BeagleBone Black

Should power management functions (mem/standby) be working with 4.x TI kernels on the BeagleBone Black for at least some subset of hardware versions? Or was full support intentionally disabled due to hardware related issues? I've been using 3.14 TI kernels with the rtcwake command (both mem

Re: [beagleboard] Where can I find the source code for "4.1.15-ti-rt-r40"?

On Wednesday, 16 March 2016 13:01:02 UTC+11, RobertCNelson wrote: > > On Tue, Mar 15, 2016 at 2:25 PM, Carlo Zolfo > wrote: > > I've actually already answered the question, as I found the TI kernel > src > > code under: > > $ git clone

Re: [beagleboard] The contents of Ubuntu is Debian ?

Misunderstanding Did I'm sorry -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to

Re: [beagleboard] apt-get install bb-node-red-installer fail

Maybe this is a clue, to get node-red installed on Ubuntu 16.04 I had to install nodejs-legacy, so I tried installing it on my BBW. This is what I get: ~# apt-get install nodejs-legacy Reading package lists... Done Building dependency tree Reading state information... Done Some packages

Re: [beagleboard] Beaglebone "Network is down" error

Well, it's not really the API's that's the problem, networking it's self. You *could* test the output of ifconfig canX, then parse for "UP" or "DOWN". Or you can perhaps test the /proc/ pseudo file system *somehow* to check if the device is up or not. After that, you can continue, or attempt to

Re: [beagleboard] SGX not installing

I *think* I started with the wrong image (console) - it worked when I used an lxqt image. On Tue 3 May 2016 14:20 wrote: > I have the same issue. Do you found the solution? > > > On Saturday, April 2, 2016 at 1:43:59 AM UTC+3, James S wrote: >> >> Still not working, even

Re: [beagleboard] Beaglebone "Network is down" error

Is there a way to check if Linux networking API's are ready or not using some command? On Tuesday, May 3, 2016 at 4:05:01 PM UTC-4, William Hermans wrote: > > *Thank you very much. I will try to implement your suggested ways.* >> >> *Right now I am actually using service routine that executes

Re: [beagleboard] Beaglebone "Network is down" error

> > *Thank you very much. I will try to implement your suggested ways.* > > *Right now I am actually using service routine that executes the script > that initializes the CAN. * > *At the start of script I have given delay of 20 seconds.* > No problem. SO here is what I am guessing that

Re: [beagleboard] Beaglebone "Network is down" error

Thank you very much. I will try to implement your suggested ways. Right now I am actually using service routine that executes the script that initializes the CAN. At the start of script I have given delay of 20 seconds. On Tuesday, May 3, 2016 at 3:44:19 PM UTC-4, William Hermans wrote: > >

Re: [beagleboard] Re: [beagle-alpha] debian testing: 2016-05-01

Thanks Robert. I probably would not need SPI or I2C, as I'd implement my own library. Which is really very easy, as nodejs has a filesystem class object. I'll give this a go later as we're busy out doors taking care of spring things today . . . On Tue, May 3, 2016 at 12:17 PM, Robert Nelson

Re: [beagleboard] Beaglebone "Network is down" error

Ok, so how do you fix the problem ? manually bring the CANBUS interface up ? If that is te case, then you need to start your script later in the boot process. Using rc.d may do the trick, but in case you're already using rc.d, then you may need to setup a cron job to 30 seconds after boot, or

Re: [beagleboard] Re: [beagle-alpha] debian testing: 2016-05-01

On Mon, May 2, 2016 at 7:49 PM, William Hermans wrote: > By "installling" I mean I'll be compiling my own Nodejs 4.x from source, > and creating a package. > There's only one deb* package in the base install that can't handle nodejs v4.x. bb-bonescript-installer-beta remove

[beagleboard] Re: Second 1-wire

sorry, mean: 2. can´t used, right? Am Dienstag, 3. Mai 2016 20:25:43 UTC+2 schrieb hoerting...@gmx.at: > > Hello! > > 1. Oh, so W1 control both Pins? I thought that each PIN is handle by his > own ... sure, then a second bus did not help! > 2. Not sure if I unterstand you. When this feature is

[beagleboard] Re: Second 1-wire

Hello! 1. Oh, so W1 control both Pins? I thought that each PIN is handle by his own ... sure, then a second bus did not help! 2. Not sure if I unterstand you. When this feature is not supported by Kernel driver, I can used, right? Thank you! -- For more options, visit

Re: [beagleboard] Re: 1-Wire

Check out man pages for - lsmod: list loaded kernel modules - modprobe: load or unload modules BR -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group

[beagleboard] Re: Second 1-wire

1.) The cable radius is the same, regardless if you use one or two pins for the W1 bus. So it only makes a difference regarding the cable weight, wich isn't as critical as the radius. 2.) To speed up the conversation time trigger all sensors by a broadcast message. After a delay of 750 ms you

[beagleboard] Re: CCCCCCC's Debug serial port output on unsuccessful boot

Ok Thanks guys, Identified and fixed the effected pin and now getting consistent boots. Cheers, On Monday, May 2, 2016 at 2:33:54 PM UTC-7, CEinTX wrote: > > I have seen this too. > It is as Gerald says. Your cape is loading one or more of the boot pins. > I did a cape - even though all the

Re: [beagleboard] PWM On Beaglebone black with Jessie

Have you solved the problem that you were having? I am unsure why you are getting the error: P9_42 pinmux file not found! cape-universala overlay not found I am currently trying to figure out how the PWM pins work in the 4.1+ Kernel and it appears that after each reboot the *pwmchip** links

Re: [beagleboard] Beaglebone "Network is down" error

I have script that runs at startup which initializes the CAN communication on my BBB. Whenever I restart my BBB this script does work most of the times, I would say 7 out of 10. Once the CAN is up successfully it never stops in middle of working. Then I generally use Candump to fetch all the

[beagleboard] Re: Stop booting by Load Ramdisk

Next, step, which i do. I followed by https://eewiki.net/display/linuxonarm/BeagleBoard with v4.5.x kernel and debian-8.4-minimal-armhf-2016-04-22.tar.xz Second, i upgraded uboot http://elinux.org/BeagleBoardNAND#U-Boot_v2011.12_or_newer

Re: [beagleboard] Beaglebone "Network is down" error

> > *Can you please tell me how does sometimes the CAN network goes down on > rebooting the BBB?* > No, I can only guess because you're not giving enough information. But if I had to guess right now I'd say you're having a script / driver module race condition. But even that does not sound 100%

Re: [beagleboard] Beaglebone "Network is down" error

> > *Yes. I do have a script that runs at startup. * > > *Even if I try to run that script manually it shows the same error.* > Ok, you're still not being very verbose. Tell us everything you can think of, preferably in order. When does it not work ? when does it work ? Does it ever stop working

Re: [beagleboard] Beaglebone "Network is down" error

Yes. I do have a script that runs at startup. Even if I try to run that script manually it shows the same error. Can you please tell me how does sometimes the CAN network goes down on rebooting the BBB? On Tuesday, May 3, 2016 at 12:58:11 PM UTC-4, William Hermans wrote: > > Of course the can

Re: [beagleboard] Difference between -ti and bone* kernel?

OK cool. I'm still wanting to stick with 4.1.x*bone* but since for the given project I'm working on I do not need uio_pruss - Maybe I'll use the TI kernel instead. I had also noticed in the past that the TI kernels used slightly less memory at boot too. But only because the *bone* kernel was

Re: [beagleboard] Beaglebone "Network is down" error

Yes. I do have a script that runs at startup. Even if I try to run that script manually it shows the same error. On Tuesday, May 3, 2016 at 12:58:11 PM UTC-4, William Hermans wrote: > > Of course the can network goes down when you reboot the system, but you > need to be more clear as to what

Re: [beagleboard] Beaglebone "Network is down" error

Of course the can network goes down when you reboot the system, but you need to be more clear as to what your problem is. Do you have a script that runs on startup that is failing, or what ? On Tue, May 3, 2016 at 9:48 AM, Akash Gajeshwar wrote: > Hello, > > I am using

Re: [beagleboard] Difference between -ti and bone* kernel?

On Tue, May 3, 2016 at 11:47 AM, William Hermans wrote: > *sgx = no comment...* >> >> *Regards,* > > > heh yeah, it's only been 3 years TI . . .just for the beaglebone black > platform. > > Robert, TI kernel still has usable power management ? Or is this no longer > a

Re: [beagleboard] Difference between -ti and bone* kernel?

> > *sgx = no comment...* > > *Regards,* heh yeah, it's only been 3 years TI . . .just for the beaglebone black platform. Robert, TI kernel still has usable power management ? Or is this no longer a difference between the two ? On Tue, May 3, 2016 at 9:23 AM, Robert Nelson

Re: [beagleboard] debian 8 image : connman static ip : set nameserver

All these network managers are evil. I mean seriously how hard is it to use /etc/network/interfaces ? /etc/resolv.conf ? But I forget why you all are using connman, and it seemed like a good reason, I just wont use that feature myself. static IP's and all . . . On Tue, May 3, 2016 at 9:40 AM,

[beagleboard] Beaglebone "Network is down" error

Hello, I am using "Waveshare CAN Cape" for sending CAN messages from Beaglebone Black. I communicate with Beaglebone using ethernet by making SSH connection and I have latest Debian OS on BBB. Sometimes when I restart the Beaglebone it shows an error message saying "Network is down". Because

Re: [beagleboard] debian 8 image : connman static ip : set nameserver

On Tue, May 3, 2016 at 11:34 AM, Micka wrote: > Hi, > > I'm using debian 8 for the beaglebone black ... > > I discovered that the beaglebone switch to connman to manage the network ? > why ? that more complicate than using the file /etc/network/interfaces > > I've

[beagleboard] debian 8 image : connman static ip : set nameserver

Hi, I'm using debian 8 for the beaglebone black ... I discovered that the beaglebone switch to connman to manage the network ? why ? that more complicate than using the file /etc/network/interfaces I've difficulties with the nameserver, normally it's in the file /etc/resolv.conf, but with

Re: [beagleboard] Difference between -ti and bone* kernel?

On Tue, May 3, 2016 at 9:58 AM, wrote: > Hello all, > > I've noticed some bad HDMI jitter/flickering when using the -bone kernel, > which is present both in 3.14 and latest 4.1. However this flickering is > not present when using the -ti kernel, regardless of the version; the

Re: [beagleboard] BBB USB issue

On Tue, May 3, 2016 at 9:55 AM, wrote: > Hi, > > So my BBB recently arrived and I plugged it in for the first time today. > When I connected the USB cable as expected the FAT partition popped up and > I followed the instructions and clicked on the start.htm (opened in

Re: [beagleboard] Re: 1-Wire

Am Dienstag, 3. Mai 2016 16:41:57 UTC+2 schrieb TJF: > > What happens when you pass the parameter at module load time? (In order to > test, unload the kernel driver and reload with option > w1_max_slave_count=30 ) > Hello! Many thanks for your help, but I don´t know how to load at module

[beagleboard] BBB USB issue

Hi, So my BBB recently arrived and I plugged it in for the first time today. When I connected the USB cable as expected the FAT partition popped up and I followed the instructions and clicked on the start.htm (opened in chrome). I got to the screen below and continued to install the drivers

[beagleboard] Difference between -ti and bone* kernel?

Hello all, I've noticed some bad HDMI jitter/flickering when using the -bone kernel, which is present both in 3.14 and latest 4.1. However this flickering is not present when using the -ti kernel, regardless of the version; the -ti version is used by default in rcn's netinstall script.

[beagleboard] Re: Second 1-wire

Hello! Because of 2 points: a) wire length b) different poll times I want to poll temperature as fast as possible (now around 800ms) ... when I use many temperatur sensors, it takes long to poll all sensors. So I want to use a second bus to increase polling speed. -- For more options, visit

Re: [beagleboard] Sleep mode and wake up issue?

On Tue, May 3, 2016 at 10:17 AM, Mian Tang wrote: > Hi, > > I'm working on BeagleBone Black, and the kernel version is 3.8.13-bone70. > I want to bring the BBB to sleep mode and then wake up by the following > commands: > > echo mem > /sys/power/state, and results in

[beagleboard] Sleep mode and wake up issue?

Hi, I'm working on BeagleBone Black, and the kernel version is 3.8.13-bone70. I want to bring the BBB to sleep mode and then wake up by the following commands: echo mem > /sys/power/state, and results in "echo: write error: No such device" On the other hand, when I configure RTC wakeup, such

Re: [beagleboard] Re: 1-Wire

What happens when you pass the parameter at module load time? (In order to test, unload the kernel driver and reload with option w1_max_slave_count=30 ) -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups

Re: [beagleboard] Custom Image advertising itself as Drive instead of USB drive

On Mon, May 2, 2016 at 8:42 PM, Virendra wrote: > > Hi, > > I have an issue with the current custom image(kernel_version=4.1.20) where > the image advertises itself as a disk image. I didn't have this issue in > the previous version of image(3.8.13-bone74.2). The previous

Re: [beagleboard] The contents of Ubuntu is Debian ?

On Tue, May 3, 2016 at 3:21 AM, Kazz wrote: > Hi all > > Now > The contents of Ubuntu-2016-04-07 prebuild image is Debian Wheezy ? > Care to try that again? voodoo@hades:/opt/images/elinux/2016-04-07/microsd$ sudo bmaptool copy

Re: [beagleboard] SGX not installing

I have the same issue. Do you found the solution? On Saturday, April 2, 2016 at 1:43:59 AM UTC+3, James S wrote: > > Still not working, even tried rebooting. > > debian@beaglebone:/opt/gfxinstall$ sudo /etc/init.d/sgx-startup.sh start > sgx: Starting PVR > debian@beaglebone:/opt/gfxinstall$ lsmod

Re: [beagleboard] Power - shutdown

just use the bbb battery connector. it works fine then use a small micro for the watchdog/power monitoring my hardware does this and then after a power down cuts the battery with proper timing the bbb can stay up for ever On 5/3/2016 4:54 AM, Yiannis Papelis wrote: > Fair enough. > > I think what

Re: [beagleboard] Enable RS485

check the schematic of this cape http://www.logicsupply.com/cbb-serial/ On 5/3/2016 2:02 AM, hoerting.busin...@gmx.at wrote: > Hello, > > I want to add RS485 on UART4. > > I found: > https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-UART4-RS485-00A0.dts > > But can´t

Re: [beagleboard] Power - shutdown

Fair enough. I think what I am leaning on doing is providing 5V directly to the VDD_5V connector with a diode fused battery+external power through a controllable regulator, and then using a tiny micro (most likely a PIC) to monitor power loss and then trigger an interrupt on a pin to cause the

Re: [beagleboard] Re: 1-Wire

Hello! the command "getenforce" are not available on my system. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send

[beagleboard] Enable RS485

Hello, I want to add RS485 on UART4. I found: https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-UART4-RS485-00A0.dts But can´t compile the dts. root@c0a80090:/home/user/bb.org-overlays/src/arm# dtc -O dtb -o BB-UART4-RS485-00A0.dtbo -b 0 -@ BB-UART4-RS485-00A0.dts Error:

Re: [beagleboard] The contents of Ubuntu is Debian ?

On 3 May 2016 at 09:21, Kazz wrote: > Hi all > > Now > The contents of Ubuntu-2016-04-07 prebuild image is Debian Wheezy ? No -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups

[beagleboard] memory mapped in Android...........

Hi friends, I m using Beaglebone black in *android OS* , plz help me code for GPIO (read, write & direction set) using *memory mapped*. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard"

[beagleboard] The contents of Ubuntu is Debian ?

Hi all Now The contents of Ubuntu-2016-04-07 prebuild image is Debian Wheezy ? -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails

[beagleboard] Re: circuitCo:beaglebone LCD 7 display cape and debian 8.3 image compatibility

Hi, I flashed my beaglebone black with Debian Jessie 8.3 too. The LCD 7'0 (4D System) works fine with the board. The LCD's manual mentions Angstrom but doesn't mention Debian distribution (section 3.2). For my experience, it's compatible with the beaglebone black. For information: *$ uname

Re: [beagleboard] Setting UART speed on BBB Rev C

Thanks! It compiles... testing in the morning. :) -p On Mon, May 2, 2016 at 4:24 PM, William Hermans wrote: > https://groups.google.com/forum/#!searchin/beagleboard/Problemas$20para$20comunicar$20com$20o$20Baud$20Rate$205760/beagleboard/GC0rKe6rM0g/13c1ngXF7owJ > > Read the

Re: [beagleboard] Power - shutdown

> > *Everyone keeps using the same sentence "you're asking for trouble" but > without any more details on why that is the case. I get the file system > corruption issue, just wanting to make sure there isn't anything else.* > I think Gerald already stated this, but I think it's worth repeating.