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The EmbLynx board is a development board for the STM32G474RE micro-controller. The STM32G474RE is a mainstream ARM Cortex-M4 micro-controller (running up to 170 MHz) heavily optimized as a mixed-signal system-on-chip (SoC). It integrates extensive analog infrastructure alongside math accelerators designed for digital power conversion, motor control, and advanced sensing applications. Overview of the Peripherals on…
A couple of months ago, I decided to pursue few IOT project ideas that could benefit from basic UDP (User Datagram Protocol) communication. The MQTT and CoAP protocols are definitely more robust and secure. But there are some situations where the basic UDP protocol is sufficient. The POSIX C socket API built into Linux is…
This article covers Read Modify Write (RMW) operations. These operations allow the programmer to manipulate one or more bits of interest within a variable (or register), without affecting the state of the rest of the bits in that variable (or register). In order to understand RMW operations, the reader must have a solid foundation in…
The topic of bit manipulation in C doesn’t seem to get as much attention in many C programming books and study guides. Perhaps because it’s a not used regularly by application developers and system programmers. Knowledge of bit manipulation is however downright critical in the fields of embedded systems, kernel space programming and device drivers…