Getting Started with STM32 Low Layer (LL): PWM DMA
This guide walks through configuring an STM32F4 timer in PWM mode with DMA-driven duty cycle updates, using the STM32CubeMX-generated initialization and STM32 LL drivers…
STM32F4
Examples explicitly targeting the STM32F4 family.
296 articles
Articles
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…
Getting Started with STM32 Low Layer (LL): SPI Transmit in Polling Mod
The Serial Peripheral Interface (SPI) is one of the most common protocols for connecting microcontrollers to external devices such as sensors, memory chips, and…
Getting Started with STM32 Low Layer (LL): Analog to Digital Converter Multi Channel Continuous Conversion with DMA
Expanding upon our single-channel DMA foundation, this guide scales the STM32F4’s ADC to simultaneously sample multiple analog channels. By enabling the ADC’s scan mode…
Getting Started with STM32 Low Layer (LL): Analog to Digital Converter Single Channel Continuous Conversion with DMA
Taking data acquisition to the ultimate level of efficiency, this guide explores using Direct Memory Access (DMA) to capture continuous single-channel ADC conversions on…
Getting Started with STM32 Low Layer (LL): Analog to Digital Converter Single Channel Continuous Conversion with Interrupt
Building upon the basic single-conversion method, transitioning to continuous mode with interrupts unlocks a highly efficient, non-blocking approach to capturing analog data. This technique…
Getting Started with STM32 Low Layer (LL): Analog to Digital Converter Single Channel Single Conversion
This guide demonstrates how to configure the STM32F4 Analog-to-Digital Converter (ADC) using the Low Layer (LL) drivers for a straightforward single-channel, single-conversion read. By…
Getting Started with STM32 Low Layer (LL): Inter-Integrated Circuit (I2C) Read From Registers Using DMA
In this fifth part of our STM32 Low-Layer (LL) I2C series, we complete our non-blocking driver suite by leveraging Direct Memory Access (DMA) for…
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…
Getting Started with STM32 Low Layer (LL): Inter-Integrated Circuit (I2C) Write to Registers Using DMA
In the fourth part of our STM32 Low-Layer (LL) I2C series, we offload transaction overhead from the CPU by implementing Direct Memory Access (DMA)…