[beagleboard] Re: kernel boot failed after adding u-boot splash screen

Hi Laksono, Can you try powering it with the power adapter rather than the USB? Also without the LCD or attaching to an external monitor does the boot up work? Thanks, Gautam. On Tuesday, October 24, 2017 at 8:04:13 AM UTC+5:30, laksono budi wrote: > > >

[beagleboard] 4DCAPE-70T + SGX EGLFS

I'm trying to build a system that supports SGX + EGLFS on a 4DCAPE-70T. The directions at http://vanguardiasur.com.ar/opengl-es-on-beaglebone-black/ get me SGX + EGLFS with a TI v4.1.6 kernel, but without support for the 4DCAPE-70T. The directions at https://groups.google.com/d/msg/beagleboard

[beagleboard] Re: Debian Testing (2017-04-30) U-Boot Overlays are now enabled by Default

Can someone tell me why I can blink LED_RED on the Beaglebone Blue (P8_7), but when I try the same thing in Bonescript I get: ocp:P8_07_pinmux was not found under /sys/devices/platform/ocp On Monday, May 1, 2017 at 11:07:34 AM UTC-4, RobertCNelson wrote: > > Hey Everyone, > > It's that time, U-

[beagleboard] Re: How to use PocketBeagle analog inputs 5-7?

Hi Ken some time ago I could read the analog inputs with: cape_enable=bone_capemgr.enable_partno=BB-ADC in uEnv.txt But it was another kernel. Am Sonntag, 3. Dezember 2017 20:07:34 UTC+1 schrieb Ken Shirriff: > I can read analog inputs 0-4 from > /sys/bus/iio/devices/iio:device0/in_voltage*N*_r

[beagleboard] Enabling CAN0 - "invalid mode: can"

Wondering how to change the mode of P1_28 to CAN0RX and P1_26 to CAN0TX as shown in the wiki: https://github.com/beagleboard/pocketbeagle/wiki/Peripherals#can It doesn't appear as though CAN is an option for those pins? --- debian@beaglebone:/$ config-pin P1_28 can Invalid mode: can debian@bea

[beagleboard] Re: Best way for events between PRU and processor?

Hi Ken thank you for the links. I will have a look on it tomorrow. RoSchmi > > -- 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 f

[beagleboard] Re: Using GPIO for SPI Slave Selects

Good point. I will make use of the enable lines to avoid such glitches. So, I will actually be using 4 GPIOs instead of 3. In order to select individual slaves, I'll do the following: 1. decoder enable pin will be driven low (all SS outputs high) 2. slave is selected by 3-bit decoder selec

[beagleboard] Re: Using GPIO for SPI Slave Selects

You will also probably need some kind of "enable" line. You can't guarantee that all three lines are going to transition between states at exactly the same time, so it is possible that you can get a transient invalid select while they are changing. This may or may not be long enough to confuse wh

[beagleboard] Has Anyone Had Difficulty Outputting GPIO, UART, or I2C on the BB-X15's Expansion Header?

Hi, Has anyone had any difficulty outputting GPIO,UART, I2C, signals from the BB-X15's expansion header? I haven't yet been able to successfully get GPIO and/or UART data to come out on the associated pins of the 4 expansion ports of the am572xEVM/BB-X15. We made a PCBA breakout board which b

[beagleboard] Using GPIO for SPI Slave Selects

Hi all, I plan to interface with 8 SPI slave devices using the BBBlue along with the RoboticsCape libraries. I plan to use a 3-to-8 line decoder (CD74AC138E) so that I will only need three GPIO pins to access the slave select of each device. Has anyone done anything similar to this before? I p

[beagleboard] Re: Powering the BeagleBone Blue?

I believe the GPS UART port could be used. PWM subsystem 0 would need to be configured for use similar to subsystems 1 and 2 which are used for on board drivers. On Thursday, October 19, 2017 at 9:40:37 PM UTC-7, Unlisted wrote: > > I see there's a connector labeled LIPO and In looking at the

[beagleboard] Re: fsck fails to start on writable partition at boot/startup

I apologize - I had tried to post this question an hour earlier but it didn't seem to show up, but now it seems to have. So moderators, please feel free to discard this question or the other one if no one's replied yet. Sorry again, Dave On Monday, December 4, 2017 at 4:30:32 PM UTC-5, Dave Bar

[beagleboard] fsck fails to start on writable partition at boot/startup

Hi, I'm hoping that someone has come across this problem before and can point me in the right direction. I'm trying to troubleshoot a BeagleBone Black with Debian 8 that appears to have a filesystem corruption. The system has two partitions, a read-only rootfs partition and a writable partitio

[beagleboard] Re: Best way for events between PRU and processor?

Hi RoSchmi, My code is at https://github.com/shirriff/alto-ethernet-interface/tree/master/src I also wrote a blog post discussing interrupts: http://www.righto.com/2016/09/how-to-run-c-programs-on-beaglebones.html Note that it is for the 3.8.13 kernel and everything works differently in newer

[beagleboard] Re: Problems setting up cape manager device tree overlay

Drew, Here is the information you requested: Contents of file slots located in /sys/devices/platform/bone_capemgr 0: PF -1 1: PF -1 2: PF -1 3: PF -1 4: P-O-L- 0 Override Board Name,00A0,Override Manuf,cape-universaln Contents of file uEnv.txt in /boot #Docs: http

[beagleboard] Re: Powering the BeagleBone Blue?

which port should i connect the external motor drivers on beaglebone blue? On Tuesday, October 24, 2017 at 9:44:45 AM UTC+8, Adam Saenz wrote: > > Yes, only 2 Cell LiPo batteries are supported. Note that the charge > circuit is setup to charge at 1Amp, so make sure you use a battery that can >

[beagleboard] Re: Powering the BeagleBone Blue?

Hi, may i know which port to connect the external motor drivers on BB blue? On Tuesday, October 24, 2017 at 9:44:45 AM UTC+8, Adam Saenz wrote: > > Yes, only 2 Cell LiPo batteries are supported. Note that the charge > circuit is setup to charge at 1Amp, so make sure you use a battery that can

[beagleboard] Re: Best way for events between PRU and processor?

Hi Ken Shirriff, could you please give a code example or a link about how to manage the interrupt handling on the Linux user code side? Thanks in advance. RoSchmi Am Freitag, 10. November 2017 06:19:47 UTC+1 schrieb Ken Shirriff: > Thanks everyone for the suggestions. I used Dimitar's approach a

Re: [beagleboard] Using PRU with PocketBeagle: remoteproc problems

Am Mittwoch, 15. November 2017 00:58:12 UTC+1 schrieb Alex Bagehot: > > Hi Ken, > Having recently also bought a pocket beagle(my first), I ran through these > steps from Jason, as he suggested in another thread recently, successfully > : https://gist.github.com/jadonk/2ecf864e1b3f250bad82c0eae12

[beagleboard] File system corruption causes file system check to not run at all on writable partition

Hi, I'm hoping someone has encountered this before and can provide some guidance. I'm troubleshooting a BeagleBone Black system that has two partitions, a read-only rootfs partition and a writable partition for everything else. When it boots, U-Boot completes and hands control to the kernel, w

[beagleboard] BeagleBone Black cannot ping 8.8.8.8

Hi All... For some time now, I've used the ethernet over USB feature to get updates on my BeagleBone black. This has never been reliable, but now it just never works. I have followed through (I think!) the instructions in Derek Molloy's Exploring BeagleBone with no luck. From the BBB, I can:

Re: [beagleboard] Newcomer questions: capes and overlays

On Mon, Dec 4, 2017 at 10:28 AM, K B wrote: > 2017-12-04 16:26 GMT+01:00 Robert Nelson : >> >> > Perfect, thanks a lot for all the answers. I guess the U-Boot output is >> > not >> > present in the kernel syslog as U-Boot loads the capes before the kernel >> > starts. >> >> There was project to su

Re: [beagleboard] Newcomer questions: capes and overlays

2017-12-04 16:26 GMT+01:00 Robert Nelson : > > Perfect, thanks a lot for all the answers. I guess the U-Boot output is > not > > present in the kernel syslog as U-Boot loads the capes before the kernel > > starts. > > There was project to support ^ a few years ago, the patches for u-boot > and the

Re: [beagleboard] Linux Kernel tree for porting to mailine and basic support.

Robert, For the arm-eabi- I get the following error: https://pastebin.com/iVmG18Xk ​For the Artful arm-none-eabi- I get the same above error​ with the compiler segfaulting. I have filed a compiler bug here: https://bugs.launchpad.net/ubuntu/+source/gcc-arm-none-eabi/+bug/1734420

Re: [beagleboard] Newcomer questions: capes and overlays

> Perfect, thanks a lot for all the answers. I guess the U-Boot output is not > present in the kernel syslog as U-Boot loads the capes before the kernel > starts. There was project to support ^ a few years ago, the patches for u-boot and the kernel never got merged.. > Quick questions on this, th

Re: [beagleboard] Problems setting up cape manager device tree overlay

You may be running into an issue with cape-universal and/or u-boot overlays. Please paste the contents of: /sys/devices/platform/bone_capemgr/slots /boot/uEnv.txt /etc/dogtag /etc/debian_version There should also be this script to print out more system version info: /opt/scripts/tool/version.sh

Re: [beagleboard] Newcomer questions: capes and overlays

2017-12-01 4:25 GMT+01:00 Robert Nelson : > On Thu, Nov 30, 2017 at 6:50 PM, wrote: > > Hi, > > > > I'm just getting started on this great platform and I've got some > questions > > about capes/overlays on which I thought perhaps someone could share their > > expertise. > > > > Most of the docum

Re: [beagleboard] Re: PocketBeagles are Unstable

P1-pin7 is the 5V power input normally associated with power coming in the USB connectors. In the case of the PocketBeagle, it is the input from the USB0 connector. It can be used as either a 5V input or, if there is power coming in USB port0, as a power output for USB port 1. It is just a straight