When booting from NAND flash, RTT cannot auto-mount SD0 (/mnt/sd0). But by plugging out/in the SD0 card, then the SD0 would be mounted again RT-Thread DFS/Device initial stage ordering issue, it can't auto-mount at startup. We provided workaround by executing nu_sd_attach command to do S/W plug/unpl...

Run applications after system boot Linux kernel built by Yocto use systemd initialization, so we need to add a system service to run the applications which you want to run 1. Create systemd service file named “run-before-login-prompt.service” and edit the content below /home/root/demo.sh is the appl...

This sample show how to create a recipe which can compile a source and install to MA35D1 Image 1. Create a new folder named helloworld under meta-ma35d1/recipes-support ~/shared/yocto/sources/meta-ma35d1/recipes-support$ mdkir helloworld 2. Create a new folder named files under helloworld folder ~/s...

Read MAC Address from OTP Before read the MAC address, write MAC address by NuWriter_MA Yocto: 1. Disable default MAC address in U-Boot device tree ~/yocto/build/tmp-glibc/work/numaker_som_ma35d16a81-poky-linux/u-boot-ma35d1/2020.07-r0/git/arch/arm/dts$ vim ma35d1.dtsi gmac0: ethernet@40120000 { // ...

1. Check the HSUSB0 is connecting to PC 2. Check the driver is installed or not FAQ_MA35D1_NuWriter Issue.png https://github.com/OpenNuvoton/MA35D1_NuWriter/tree/master/driver 3. Check the DDR initial code is match the DDR type and size on target board 4. Check the USB controller in virtual machine ...

Platform: MA35D1 Platform resource link: https://www.nuvoton.com/products/microprocessors/arm-cortex-a35-mpus/ BSP link: https://github.com/OpenNuvoton/MPU-Family Download link: https://www.nuvoton.com/resource-download.jsp?tp_GUID=SW182022101516122042 Brief: Nuvoton provides a VMware Image to help ...

Platform: MA35D1 Platform resource link: https://www.nuvoton.com/products/microprocessors/arm-cortex-a35-mpus/ BSP link: https://github.com/OpenNuvoton/MPU-Family Brief: In this slide, we will introduce the secure OS implemented in the MA35D1. OP-TEE is a Trusted Execution Environment (TEE) designed...

1. Go to the following path and open U-Boot menuconfig ~/yocto/build/tmp-glibc/work/numaker_som_ma35d16a81-poky-linux/u-boot-ma35d1/2020.07-r0/build/ma35d1_sdcard0_defconfig$ make menuconfig 2. Enable LCD driver and modify RAM size in U-Boot Device Drivers ---> Graphics support ---> [*] Enable drive...

Yocto: 1. Go to the following path and choose which machine you want to switch the boot source ~/yocto/sources/meta-ma35d1/conf/machine$ 2. Open the conf and modify 0 to 1 or 1 to 0 UBOOT_CONFIG[sdcard] = "ma35d1_sdcard1_defconfig" 3. Rebuild TF-A and U-Boot ~/youcto/build$ bitbake u-boot-ma35d1 tf-...

The SD/eMMC default boot space is 32 MB and if you need to save more data to the flash, you can follow the steps below to extend the space. Yocto: 1. Modify the configuration in the local.conf The path is shown below ~/yocto/build/conf/local.conf 2. The default Boot Space is 32768 bytes (32MB) You c...