Embedded AI

USB Host Application Development Based on BeagleBone Green

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USB Host Application Development Based on BeagleBone Green

USB Development 1. Introduction This article demonstrates the process of using libusb for USB host application development on embedded platforms. Finally, a case study is shared, which involves real-time video stream collection through a custom protocol using bulk transfer. Refer to other articles on this development board https://mp.weixin.qq.com/s/5gDfX__U8-F4MVqn92KtLw Playing Board Series II: Setting Up Samba … Read more

Practical MCU Intelligence: From TinyML Deployment to Performance Optimization

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Practical MCU Intelligence: From TinyML Deployment to Performance Optimization

Click the blue text above to follow me Recently, while debugging a predictive maintenance system for an industrial client, I encountered an interesting problem: how to stably run a real-time inference system on an MCU like STM32H743, which has a frequency of 480MHz and 1MB of RAM? Today, I will share with you the technical … Read more

Become an Embedded Expert with These 100+ Open Source Projects!

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Become an Embedded Expert with These 100+ Open Source Projects!

In the early stages of learning, the hardest part is finding learning materials, so today I recommend a repository that summarizes embedded open source projects. This article carefully compiles some embedded-related resources, including but not limited to programming languages, microcontrollers, open source projects, Internet of Things, operating systems, Linux and more. These materials are continuously … Read more

Research on the Progress of IoT Operating Systems

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Research on the Progress of IoT Operating Systems

If you don’t click the blue words to follow, opportunities will fly away! 1. Introduction Strategic industry upgrades and large-scale market development are driving IoT applications into a new wave of development. According to Gartner’s prediction, by 2020, the number of connected devices worldwide will reach 26 billion, and the IoT market size will reach … Read more

Embedded Functions in Makefile

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Embedded Functions in Makefile

subst String Replacement Function $(subst <from>, <to>, <text>) replaces the <from> string in <text> with <to> and returns the replaced string. SRC:=/mnt/hgfs/share/123 DES:=$(subst /mnt,/root,$(SRC)) #ATTENTION: is, /root not, /root all: @echo $(SRC) @echo $(DES) /mnt/hgfs/share/123 /root/hgfs/share/123 patsubst Pattern String Replacement Function $(patsubst <pattern>, <replacement>, <text>) checks if the words in <text> (separated by spaces, tabs, … Read more

Linux Kernel Makefile Execution Process

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Linux Kernel Makefile Execution Process

Scan to FollowLearn Embedded Together, Learning and Growing Together Essential Knowledge 1.1. Basic Syntax of Makefile If you are not familiar with Makefile syntax, it is recommended to learn it systematically first, especially the following points: (1) Which parts of the Makefile contain shell commands: The command part in the compilation rules ${shell XX}, var … Read more

Key Knowledge Points for STM32 Embedded Interviews

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Key Knowledge Points for STM32 Embedded Interviews

I am Lao Wen, an embedded engineer who loves learning. Answer: Differences between STM32F1 and F4:Different cores: F1 has Cortex-M3 core, F4 has Cortex-M4 core; Different main frequencies: F1 has 72MHz, F4 has 168MHz; Floating-point operations: F1 has no floating-point unit, F4 has one; Functional performance: F4 peripherals are richer and more powerful than F1, … Read more

Summary of STM32 Embedded Interview Topics

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Summary of STM32 Embedded Interview Topics

Scan to follow "Learn Embedded Together", learn together, grow together. 1. What are the differences between STM32F1 and F4? Different cores: F1 has Cortex-M3 core, F4 has Cortex-M4 core; Different clock frequencies: F1 has a clock frequency of 72MHz, F4 has a clock frequency of 168MHz; Floating-point operations: F1 has no floating-point unit, F4 does; … Read more

Combining PC and Embedded Programming Concepts

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Combining PC and Embedded Programming Concepts

The first step is to view embedded issues from the perspective of PC programming; The second step is to learn to use embedded programming concepts; The third step is to combine PC and embedded concepts together and apply them in real projects. Many friends transition from PC programming to embedded programming. In China, very few … Read more