Search the Community

Hi, I'd like to connect two USB cameras (compliance with USB2.0) and configure 640x480 resolution both cameras. I don't care frame rate. Due to design reasons Type-C port is not available. Both camera works on 640x480@15fps on YUYV(4:2:2) when single connect, But 640x480 resolution is not works even if use lowest fps(5) when two camera connected. During operation, dmesg outputs this information. > usb 5-1.1.1: Not enough bandwidth for new device state. > usb 5-1.1.1: Not enough bandwidth for altsetting 11 this log is incomprehensible, Because USB2.0 has enough bandwidth to output in this configuration. I have suspicion kernel or device driver has any problems. environmental information: Device: Tinker Board 2S OS: TinkerOS Debian 10 V2.0.12 Camera A: ELECOM UCAM-C310FBBK Camera B: Arkmicro Technologies Unknown camera product (only supports YUYV(4:2:2) format) Would you tell me any advices or information if possible. regards, takuya

Hi, I've downloaded the 4.19 kernel source from https://github.com/TinkerBoard2/kernel/tree/tinker_board_2-debian_10-2.1.6 and built with: make ARCH=arm64 tinker_board_2_defconfig make ARCH=arm64 rk3399-tinker_board_2.img -j8 Copied boot.img to SD card with dd if=boot.img of=/dev/mmcblk0p4 status=progress && sync Rebooted: the system is stuck at "Waiting for root device /dev/mmcblk0p9" What I did wrong? Thank you

Dear Tinker Board Community, I've been struggling for some time now, building an Yocto image for tinkerboard 2 (RK3399). I need networking and DRM support. The official Tinkerboard2 yocto-meta-rockchip has some broken kernel mirrors and fails building. If someone managed to build a working yocto image for tinkerboard 2, please give me some hints. Best regards!

I wanted to use an Arduino compatible machine and tried to make a driver for CH34x but couldn't. (Tinker Board 2 Debian 10 V2.0.0) I tried the method posted on this site. https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/linux I put the linux header like this. wget https://github.com/TinkerBoard2/kernel/releases/download/tinker_board_2-debian_10-2.0.0/linux-headers-4.4.194_4.4.194-1_arm64.deb dpkg -i linux-headers-4.4.194_4.4.194-1_arm64.deb Has anyone succeeded? Or, if you have an installable ch34x.ko, I would appreciate it if you could share it. sudo insmod ch34x.ko As a side note, in the case of Tinker board S, Arduino compatible machines were recognized without installing any drivers. (Tinker Board S Debian 10 V3.0.11) Thank you.

Hello, Do you know when a library for asus tinker board 2 or 2s will be available for GPIO in python? thank you