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Found 11 results

  1. unable to access gpio using wiringpi python. I have tried steps available on banana pi wiki. but it throws error "/dev/gpiomem" is not available and then "This board is not odroid". did anyone successfully implemented this?
  2. Hi, I am using Armbian (latest) image on Banana Pi CM4 and I don't have access to gpio493. I am getting the following error: And looks like gpiochip4xx is not available: When I modprobe this gpio number, I am getting following error: modprobe: FATAL: Module gpiochip493 not found in directory /lib/modules/6.7.2-edge-meson64 Could you please help, how can I enable gpio 493? Thanks
  3. I have just installed an Armbian Jammy CLI on my BPI-CM4. I need to use the UART that is routed to pins 8 and 10 on the 40-pin connector (UART_EE_B in the BPI-CM4 schematics). I have enabled it in the device tree by changing this from disabled to okay: serial@23000 { compatible = "amlogic,meson-g12a-uart\0amlogic,meson-gx-uart"; reg = <0x00 0x23000 0x00 0x18>; interrupts = <0x00 0x4b 0x01>; clocks = <0x12 0x02 0x2a 0x12>; clock-names = "xtal\0pclk\0baud"; status = "okay"; phandle = <0x12b>; }; Once rebooted, and new UART appears (ttyAML6). However, it does not work. What am I missing? Thanks in advance
  4. Hello everyone, I am trying to get a Bigtreetech PiTFT70 DSI screen working on my Banana Pi CM4 mounted on a Bigtreetech Manta M8P 3D printer control board. It is supposedly a clone of the Raspberry Pi 7inch DSI display and uses the same display and touch chips. The DSI port on the M8P is wired to DSI 1 port on the Bpi CM4. I have tried hacking together a device tree overlay for it but I don't know enough of what needs turning on and what addresses they require (i2c etc) to get it working. Can anyone with Amlogic meson knowledge assist me? I am running the latest armbian bookworm 23.8 with all current updates installed.
  5. I tried three way for hiding mouse, but not work: 1. Unclutter: ``` unclutter -idle 0 -root -display :0 `` It shows unclutter: could not open display 2. startx -nocursor -> not work 3. Using xbanish and boot from Systemd: ``` ~/.config/systemd/user/xbanish.service ``` [Unit] Description=xbanish After=default.target [Service] Type=simple ExecStart=/usr/bin/xbanish Restart=on-failure StartLimitBurst=10 RestartSec=30 [Install] WantedBy=default.target Is there any good way for hiding mouse on XFCE4 desktop (Armbian) ? Thanks
  6. Is there, or will there be, an Amlogic or Banana Pi issued GPU blob to run Vulkan? On v6 kernel ideally Amlogic does have a history of allowing this, for Odroid and Khadas. Duncan
  7. I have a 480*480 HDMI display. Using Armbian image cannot work, but Bananapi Official image support this resolution. I also tried to adjsut /boot/boot.cmd (Using 480p60hz) and add disp_mode=480x480 into ArmbianEnv.txt. Does anyone have any suggestions for a solution?
  8. Hello, I tried ` echo 463 > /sys/class/gpio/export ` and it build gpio464 folder under /sys/class/gpio , and I cat `value` file to check gpio status. It seems not work. The same gpio was working on Bananapi official debian and Ubuntu mate image. How can I solve this problem? Thanks
  9. hello, I found default armbian image will cause the CPU temperature very high. My cpu freq is setting 1Ghz and usage is around 20%, This should not cause the cpu to overheat. This is my armbianmonitor -m : ``` Time CPU_cl0/CPU_cl1 load %cpu %sys %usr %nice %io %irq Tcpu C.St. 18:55:22 1000/1000 MHz 0.88 17% 6% 9% 0% 0% 1% 103.0 °C 8/8 18:55:27 1000/1000 MHz 0.89 17% 5% 9% 0% 0% 1% 103.0 °C 8/8 18:55:32 1000/1000 MHz 0.90 17% 5% 9% 0% 0% 1% 103.1 °C 8/8 18:55:37 1000/1000 MHz 0.83 17% 5% 9% 0% 0% 1% 103.2 °C 8/8 18:55:42 1000/1000 MHz 0.76 17% 6% 9% 0% 0% 1% 103.1 °C 8/8 18:55:47 1000/1000 MHz 0.86 17% 5% 9% 0% 0% 1% 103.2 °C 8/8 18:55:52 1000/1000 MHz 0.87 17% 5% 9% 0% 0% 1% 103.0 °C 8/8 ``` My cpu's governor is `powersave` and I also see gpu usage, my gpu governor is setting `simple_ondemand`. I also use bananapi officical image (ubuntu mate) No overheating issues. How can I solve this problem? Thanks
  10. hello, My image is (Armbian BookwormXFCE desktop 20230831) and download to cm4 moudule. When I using the Bananapi CM4 base board ( https://wiki.banana-pi.org/File:BananaPi_BPI-CM4_base_board_1.jpg) the USB function is working. But I using the common RPI CM4 base board, such as waveshare's cm4 nano-b (https://www.waveshare.net/wiki/CM4-NANO-B) the USB function is not working. I compare the difference of two board's schematics. Bananapi's base board is connecting the fs1.1 usb hub ic. but waveshare's base board was connecting USB D+/D- to USB host directly . I also tried bananapi official image (both Debian and Ubuntu mate) and the wareshare's base board USB function is working.This is a bit confusing to me. Why can’t USB be found when connected USB D+ / D- directly in Armbian image? How can i solve this problem? Thanks PS. Bananpi base board SCH: https://drive.google.com/file/d/1IErCKqfWdU7gL7kUod2-wlpG7uE9EiVZ/view waveshare base board SCH: https://www.waveshare.net/w/upload/f/f5/CM4-NANO-B-SCH.pdf
  11. BananaPi BPI-CM4 new design with Amlogic A311D Quad core ARM Cortex-A73 and dual core ARM Cortex-A53 CPU ,ARM G52 MP4(6EE) GPU,NPU for AI at 5.0 TOPS, support Camera and MIPI-CSI interface ,HDMI output,2 Gigabit port . 4G RAM and 16 GB eMMC flash. BPI-CM4 hardware interface: BPI-CM4 IO baord interface
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