[beagleboard] Beaglebone blue, buildroot and wifi
Hi, I recently purchased a beaglebone blue and tried it with pre-installed image and the latest debian image from beagleboard.org. Everything is ok and the wifi works perfectly. Now, I want to build my own custom image with buildroot. I have some experience with buildroot and raspberry pi. I managed to have a bootable image with linux console on uart. The problem is that when I try to activate wlan0 (ip link set wlan0 up), the board hangs. I cannot connect to ssh anymore (USB connection), I cannot access it via the uart linux console (no more log from kernel), the heartbeat LED stops blinking, the only thing i can do is ping the board (through USB). What I have tried so far, Use different firmware (/lib/firmware/ti-connectivity) from: * Buildroot linux-firmware package * Beaglebone Black wireless firmware (on github) * Pre installed firmware from the official Debian image Use different device-tree * am35x-boneblue.dts built with the linux kernel by buildroot * the devicetree provided in the official Debian image Use different libc * µclibc * glibc At this point I end up every time with the symptoms described before. Could anyone help to investigate further? Thank you, Thomas -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/d9993f35-7307-4452-9789-be3aa5507d6e%40googlegroups.com.
[beagleboard] download SDKs and CCS IDE onto beaglebone AI from host PC ubuntu 18.04
Hi, I am trying to download linux and RTOS SDKs to Beaglebone AI from my host PC ubuntu 18.04. Could anyone help me with the process of downloading these to beaglebone AI? And will this process required ftdi cable connection? -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/a4fae780-6bf8-41d3-9d85-10463277cc5a%40googlegroups.com.
[beagleboard] Need advice on how to reduce boot time
My application uses a beaglebone black rev C. The application is written in python and uses serial ports, Adafruit_BBIO.PWM and GPIO and is started by systemctl as a service. There is no graphical interface, just an LCD controlled with GPIO. It takes 90 seconds after boot up before the program sounds the 'greeting' with PWM. I need to reduce this to <10 seconds. I had high hopes for an older 2Gb image, but I think it predated the universal cape and I was having trouble getting it to work. There is also an IOT image, but some gpio's didn't work. After update_kernal.sh the gpio's worked and I'm on 4.14.108. I'm not sure this is even the IOT image anymore. I've tried various tweaks I've found on the web without much success. Can I make a standard image work and if so how? Must I create my own image? Where do I start? Thank you, Mike. -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/438fdbb4-476a-4991-9951-52cb7f6e3026%40googlegroups.com.
[beagleboard] Santosh Kumar Gangwar : All political parties M.P support to terminated employees welfare bill 2020
Hello there, I just signed the petition "Santosh Kumar Gangwar : All political parties M.P support to terminated employees welfare bill 2020" and wanted to see if you could help by adding your name. Our goal is to reach 100 signatures and we need more support. You can read more and sign the petition here: http://chng.it/76QrN9BwkJ Thanks! Srinivas -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAF4eRsdLN-49beUAetnuaipdP4ZiPgNEAxvD8-LYeeEcWpvesA%40mail.gmail.com.
[beagleboard] Re: Rotary encoder in CNC servo boucles
The AM335x CPU has three PWM subsystems, each one containing an eQEP module. So three rotary encoders are supported by the hardware (speed and direction/position @ 100 MHz counters). In order to measure speed only (no direction/speed) you can use the eCAP modules in two of that subsystems (the third one isn't wired to any header pin). Or you can use one of the four TIMER subsystems (24 MHz counters). If you need a fourth direction/position sensor, there's a PRU firmeware in the BBBlue package. -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/869c82a2-1f63-4c83-89af-fffbc91a9f83%40googlegroups.com.
