Question : How to use the hardware 2D acceleration feature on MA35D1? Answer. You can enable and test the hardware 2D acceleration feature on MA35D1 by enabling the " directfb " package in Buildroot. Target packages > Graphic libraries and applications (graphic/text) > [*] directfb [*] directfb exa...

Question : U-Boot Fails to recognize NAND(not Winbond NAND) Answer. When using NAND S34ML08G3 on the development board, U-Boot fails to recognize it during the first boot. However, upon pressing the reset button and performing a U-Boot reset, it is able to recognize the NAND flash during the second...

Question : SPI-Config Issue Answer. Configure the SPI speed If you use the spi-config tool to configure the SPI speed, once you close the device, the SPI device speed will be restored to its maximum frequency. We recommend that you set the speed setting as desired in the device tree, as shown below...

Question : Bitbake nvt-image-qt5 Fail in Yocto Answer. Error message : /meta-qt5/recipes-qt/qt5/ qtquickcontrols2_git.bb:do_compile ) failed with exit code '1' when bitbake nvt-image-qt5 in Yocto. Show as follows: ~~~ | make[2]: *** [Makefile:479: ../../lib/libQt5QuickTemplates2.so.5.14.2] Error 1 ...

Question : FAQ_MA35D1_Touchpad Cannot Touch on NuMaker-HMI-MA35D1 EVB Board Answer. The touch panel needs to be calibrated for the first time: Run the commands as follows: $ ts_calibrate And click the four corners and the center point to complete the calibration, calibration points will be stored. ...

Question : How to Set the Power-On-Setting of EVB Board? Answer. Platform: MA35D1 Platform resource link: https://www.nuvoton.com/products/microp ... -a35-mpus/ BSP link: https://github.com/OpenNuvoton/MA35D1_NuWriter Configure Power-on Setting: Make sure the power-on setting for the booting source...

Question : M4 Corresponds to the Relationship Between ma35d1-cpu800-wb-128m.dts and ma35d1.dts Answer. " ma35d1.dtsi " determines which ones are used for A35 or M4 . If you find the word " SUBM " that means it is for M4. Please refer to the naming convention: MA35D1_Buildroot/output/build/arm-trust...

Question : Clock Still Running when RTC is Removed Answer. When LXT is removed, the RTC clock will automatically switch to LIRC . If the RTC is not used, do not initialize the RTC . It can detect whether LXT reached 32K. If not, you can select LIRC for automatic switching. Refer to the TRM descript...

Question : SD1 eMMC 4Bit Failed to Start Answer. Buildroot: Enter the following path and modify the TF-A code Modify ma35d1_common.c (~ /MA35D1_Buildroot/output/build/arm-trusted-firmware-custom/plat/nuvoton/ma35d1 ) vi ma35d1_common.c And change as follows : static void ma35d1_sdhc_setup(struct mm...

Question : Turn On the Power, the Power Light is On, but the HMI has No Screen on the NuMaker-HMI-MA35D1 Evaluation Board Answer. The NuMaker-HMI-MA35D1 evaluation board needs to press RTC Wakeup button to start up. Press RTC Wakeup Button (SW1) to enable the discrete power converters figure2.png #...