STM32 MCUs Wireless

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STM32WB55 SWIM Usage

I have just downloaded the reference board from the STM32WB55: STM32WB55RG - Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz with 1 Mbyte of Flash memory, Bluetooth LE 5.4, 802.15.4, Zigbee, Thread, Matter, USB, LCD, AES-256 - S...

STM32WB CPU2 reset

Hello, how can I call a full reset of the CPU2/BLE stack (as if the device were powered up)?I'm resetting CPU1, which then restarts the CPU2/BLE stack from some other code. But this causes some corruption with BLE notifications.

MHast.1 by Associate II
  • 1 replies
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Cannot debug M0+ STM32WL55 in SBSFU Dual core project

Hi everyone, I try to debug CM0+ core (using GDB server) application LoRaWAN in SBSFU dual core project. If I only run the debugger on CM4, the program will start and run normally. But when I try to debug CM0+, it will not run and my program failed.I...

STM32WL how to enable RTC subsecond underflow interrupt

STM32WL lorawan middleware use a RTC subsecond underflow interrupt update tick instead systick,but the subsecond underflow interrupt never entered.It seems interrupt not enabled, so I manually enable RTC subsecond underflow interrupt but the handler ...

SimonLaw by Associate
  • 1 replies
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Resolved! STM32WL55 LoraWan End Node and SubGhz_Phy comunication

Good morning,I am creating an application that would require the use of several stm32wl55.The idea is to have one microcontroller configured as a LoraWan EndNode communicating with TTN and a set of Slaves communicating via subghz (which will be slave...

IngSerio by Associate II
  • 5 replies
  • 1 kudos