Re: [beagleboard] Beaglebone Black desktop issue

Hi Thank you for replying :) *xserver-xorg-video-fbdev x11-xserver-utils* was already installed. I suspect the problem is with the eMMC memory. I reflashed the BBB REV C with the Debian image. Then after installing xfce4, the eMMC memory reached 91%. And then after installing few more python

[beagleboard] Re: BBB emmc booting and SPI0 nor flash

On 21. 2. 8. 오전 12:36, Robert Nelson wrote: I'm betting your version of u-boot on the eMMC and microsd are different.. Regards Thanks for reply. The version of u-boot on the eMMC and SD card is same. On the u-boot log, two versions all print as follows: U-Boot SPL 2019.04-dirty (Jun 22

[beagleboard] Nested loops with the PRU LOOP instruction?

Hi all, The PRU LOOP instruction (p48 of the assembly instruction guide ) describes a "hardware-assisted loop" instruction. If you use a register, your loop counter can be 16-bits wide, so with LDI r10.w0, 0x LOOP Exit, r10.w0 ...

Re: [beagleboard] Re: Debugging SPI device

Hi Robert, Been completely new to all this what would be the best why to begin writing a new *.dtb Regards, On Monday, February 8, 2021 at 1:39:02 AM UTC+10 RobertCNelson wrote: > On Sat, Feb 6, 2021 at 7:22 PM Yendor wrote: > > > > Thanks for the info Robert, would you know how I could

Re: [beagleboard] Re: Debugging SPI device

On Sat, Feb 6, 2021 at 7:22 PM Yendor wrote: > > Thanks for the info Robert, would you know how I could reclaim / rewrite > these pins to act as SPI pins? > > What would be the best way of doing this? modify > 'am335x-bonegreen-wireless-uboot-univ.dts' or can we get the boards to load a >

Re: [beagleboard] Re: BBB emmc booting and SPI0 nor flash

On Sun, Feb 7, 2021 at 6:12 AM JeongHwan Kim wrote: > > I found the pinmux state is differnet between the emmc boot and sd card boot. > I set the spi0 pins (/ce, sclk, d1, d0) with MODE0 in am335x-bone-common.dtsi. > When the board runs in sd card boot, the spi0 pins mode is MODE 0. > but in emmc

[beagleboard] Grove Base Cape for BeagleBone® v2.0 disables BBB ethernet

I have an old[ish] BBB on which I have been doing some experimenting for a friend. I have the current Debian 10 console version installed. One of the things to try was to install a Grove cape, one of these:- https://www.seeedstudio.com/Grove-Base-Cape-for-Beagleboner-v2-0.html It seems to

[beagleboard] Re: BBB emmc booting and SPI0 nor flash

I found the pinmux state is differnet between the emmc boot and sd card boot. I set the spi0 pins (/ce, sclk, d1, d0) with MODE0 in am335x-bone-common.dtsi. When the board runs in sd card boot, the spi0 pins mode is MODE 0. but in emmc boot, the spi0 pins mode is MODE 7. So, in emmc boot mode,