UART Based Sensor Emulation Part 3: Developing the Communication Protocol
This guide walks through building a lightweight, framed UART protocol for emulating a sensor, covering the frame layout, parser design, and error handling needed…
UART
UART/USART serial communication taught or implemented as the subject.
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Articles
Emulating UART Part 2: Sending Data
With the timer and GPIO successfully configured, we will now shift our focus to actively transmitting data. By leveraging the TIM3 interrupt, the microcontroller…
Emulating UART Part 1: Introduction and environment Setup
In this new series guide, we shall emulate the UART hardware using a clever combination of timers and DMA to achieve effortless, CPU-independent serial…
UART Based Sensor Emulation Part 2: Establish Communication
Establishing reliable bidirectional communication is the foundational step in validating the sensor emulation framework, ensuring that the master device and the emulated sensor can…
UART Based Sensor Emulation Part 1: Introduction and Environment Setup
UART-based sensor emulation on an STM32F4 provides a cost-effective and highly controlled method to validate data processing algorithms and communication protocols without requiring the…
Getting Started with STM32 Low Layer (LL): UART Reception using DMA
Eliminate the CPU overhead of processing individual incoming characters by offloading variable-length UART reception entirely to the DMA controller. By pairing a circular or…
Getting Started with STM32 Low Layer (LL): UART Reception using Interrupt
Efficiently parse variable-length incoming data frames by combining UART receive interrupts with the hardware’s built-in IDLE line detection feature. This architecture uses the Read Data Register…
Getting Started with STM32 Low Layer (LL): UART Transmit Using DMA
Achieve the absolute pinnacle of microcontroller efficiency by offloading the entire UART communication workload from the CPU to the Direct Memory Access (DMA) controller. This guide…
Getting Started with STM32 Low Layer (LL): UART Transmit Using Interrupt
Eliminate the CPU bottlenecks caused by blocking transmission loops by shifting to an interrupt-driven UART architecture using Low Layer (LL) drivers. This guide demonstrates…
Getting Started with STM32 Low Layer (LL): UART Transmit in Polling Mode
Establish robust, asynchronous serial communication by leveraging the STM32F4’s USART/UART peripheral configured with Low Layer (LL) drivers for maximum data throughput and minimal execution overhead. This…