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…
STM32F4
Examples explicitly targeting the STM32F4 family.
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Articles
Getting Started with STM32 Low Layer (LL): Inter-Integrated Circuit (I2C) Write to Registers
In this third installment of our STM32 Low-Layer (LL) I2C series, we shift from receiving data to actively configuring slave peripherals by updating the…
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…
Getting Started with STM32 Low Layer (LL): Inter-Integrated Circuit (I2C) Read Registers
For the second part of our series, we transition from bus scanning to active data retrieval by interfacing with the highly accurate DS3231 Real-Time…
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): Inter-Integrated Circuit (I2C) Bus Scan
Mastering the I2C protocol at the register level offers unparalleled control and efficiency, especially when navigating the specialized Low-Layer (LL) drivers provided by ST.…
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…
STM32F407 Discovery Audio: I2S DAC
Now that the basic DMA transmission pipeline is established, the final part of this guide focuses on interfacing the STM32F407 with the onboard CS43L22…
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…