STMicroelectronics

Samples that demonstrate board-specific or SoC-specific features available on STM32 hardware.

• Backup SRAMUse Backup SRAM to store a variable that persists across power cycles.
• Core Coupled Memory (CCM)Place and use variables in the Core Coupled Memory (CCM).
• Hardware Semaphore (HSEM) Inter-Processor Communication on STM32 H7Use the Hardware Semaphore (HSEM) to trigger LED blinking from one core to another.
• I2C V2 timingsRetrieve I2C V2 timings at runtime.
• Master Clock Output (MCO)Output an internal clock for external use by the application.

Bluetooth

• Bluetooth: ST Interactive GUIExpose ST BlueNRG Bluetooth network coprocessor over UART.
• ST Bluetooth LE Sensor DemoExport vendor-specific GATT services over Bluetooth.

Board-specific STM32 samples

SensorTile.box

• SensorTile.box sensorsRead sensor data from the various SensorTile.box sensors.

SensorTile.box Pro

• SensorTile.box Pro sensorsRead sensor data from the various SensorTile.box Pro sensors.

STWIN.box

• STWIN.box sensorsRead sensor data from the various STWIN SensorTile wireless industrial node sensors.

Power Management

• ADC power managementUse ADC in a low-power context on STM32.
• Blinky with power managementBlink an LED using the GPIO API in a low-power context on STM32
• Bluetooth Low Energy Power Management on STM32WBPerform Bluetooth LE operations with Zephyr power management enabled on STM32WB.
• GPIO as wake-up pinUse a GPIO pin as wake-up pin.
• Serial wakeupWake up on serial activity on STM32.
• STOP3 modeUse STOP3 low power mode on STM32U5.
• Suspend to RAMUse suspend to RAM low power mode on STM32.

PWM

• STM32 pwm mastermodeDevicetree configuration for utilizing master/slave capabilities to synchronize timer instances.

UART

• Single-wire UARTUse single-wire/half-duplex UART functionality of STM32 devices.
• UART circular modeRead data from the console and echo it back using a circular DMA configuration.