AT91Bootstrap

Capturing and Handling Signals in Linux Using trap

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Capturing and Handling Signals in Linux Using trap

This article mentions the <span>trap</span> command in the Linux Shell script debugging advanced (trap bashdb). Here we will further introduce the <span>trap</span> command. <span>trap</span> is a powerful command in the shell used to capture and handle <span>signals</span>. It allows you to respond to system signals during script execution, achieving <span>graceful exits</span>, <span>resource cleanup</span>, and <span>debugging</span> … Read more

Understanding MCU Boot from SD Card: NXP i.MXRT1xxx Series

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Understanding MCU Boot from SD Card: NXP i.MXRT1xxx Series

Hello everyone, I am Pi Zi Heng, a serious tech enthusiast. Today, I will introduce the NXP i.MXRT1xxx series MCU’s SD/eMMC card boot. Recently, I supported a case about booting i.MXRT from an SD card on the NXP official community, which reminded me of an article I wrote a year ago titled “Booting i.MXRT600 from … Read more

Getting Started with Embedded Linux Systems Using Buildroot – Part 3

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Getting Started with Embedded Linux Systems Using Buildroot - Part 3

This series will create my first runnable embedded Linux system based on the Buildroot repository provided by Microchip. AT91Bootstrap Operation Tutorial Modify AT91Bootstrap Specific Configuration Operation command: make at91bootstrap3-menuconfig make at91bootstrap3-menuconfigDetailed interface of AT91Bootstrap: AT91Bootstrap Detailed Configuration Interface If running bare-metal or RTOS on Microchip MPU, you can modify the filename of u-boot.bin in the … Read more

Mastering Linux on MCU Series Part 18: New Boot Design to Load and Start Linux (5) – Loading from SPIFLASH

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Mastering Linux on MCU Series Part 18: New Boot Design to Load and Start Linux (5) - Loading from SPIFLASH

1. Introduction Previously, we completed the design and source code implementation of the storage layout and loader. Now we will practice and test loading the image from SPIFLASH into SDRAM for execution. Of course, during debugging, we can also directly transfer the image to SDRAM using xmodem for direct execution. See the code at:https://github.com/qinyunti/stm32f429-boot.git Please … Read more

Effect of Interfacial Trap on Surface Insulation Properties of ZnO/PI Composite Films Under Cyclic Thermal Aging

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Effect of Interfacial Trap on Surface Insulation Properties of ZnO/PI Composite Films Under Cyclic Thermal Aging

Effect of Interfacial Trap on Surface Insulation Properties of ZnO/PI Composite Films Under Cyclic Thermal Aging WU Jiang 1,2 ,WANG Tingyu 1,2 ,WANG Xiaomin 1,2 ,GUO Jianhua 1,2 ,ZHANG Bo 1,2 ,SHANG Penghui 3 （1. School of Electronics and Information，Xi’an Polytechnic University，Xi’an 710048，China； 2. Xi’an Key Laboratory of Interconnected Sensing and Intelligent Diagnosis for Electrical … Read more