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STM32 MCUs Wireless

Ask questions and discuss STM32 wireless solutions and their implementation for running Bluetooth LE, Zigbee, LoRaWAN applications.

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NUCLEO-WBA25CE1 "Bootloader limitation"

Hi, As per UM3610 « section 7.7 », a "Bootloader limitation" has been found in NUCLEO-WBA25CE1. Please refer to "Workaround" section if you are facing this limitation.

ctrois by • ST Employee
  • 301 Views
  • 1 replies
  • 2 kudos

Matter software expansion for STM32Cube

Dear all, The X-CUBE-MATTER Expansion Package is now available on our official website following this link  MATTER - Matter software expansion for STM32Cube - STMicroelectronics  It is a reference implementation for the demonstration of Matter on ST...

Ouadi by • ST Employee
  • 4118 Views
  • 0 replies
  • 3 kudos

What does RCC_BDCR_RTCEN do on an STM32WL55?

We are using an STM32WL55 (NUCLEO-WL55JC2) and don't understand RCC_BDCR_RTCEN. Our system is configured to be woken up from Stop 1 Mode via RTC wake-up, clocked by LSE. This works, but we wonder about a detail.According to RM0453, RCC_BDCR_RTCEN is ...

skoe by • Associate II
  • 3380 Views
  • 5 replies
  • 0 kudos

Resolved! How to use external QSPI flash to save sensor data

Hello,I am currently using STM32WB55 with QSPI external flash.Currently, the plan is to use it without Bluetooth, for now.I am able to write and read the flash in the program.The plan:Record for 24 hours with DMA from sensors to flash.Upload another ...

ASaph by • Associate
  • 4413 Views
  • 3 replies
  • 0 kudos

STM32WB55 FATFS sd real time

The stm32wb55 writes data to the sd card in real time through FATFS, and the function f_write() will take tens of ms. I want to use two buffers, one buffer to store data, and one buffer to write data to and from the sd card (can this avoid the delay ...

Lep by • Senior
  • 4669 Views
  • 9 replies
  • 1 kudos

Problem cloning STM32WB55 BLE_p2pServer example

I have a custom board running the STM32WB55. My medium term goal is to use BLE to perform OTA updates for my firmware. I'm trying to leverage the BLE_p2pServer BLE_p2pServer_ota examples from the as a starting point, but I'm getting stuck at one o...

Resolved! Unable to wakeup from stop mode with LPTIM

Hello, I have a STM32WLE5JB, and a want to wakeup the chip from sleep mode to have multiple task. (Read a sensor every x sec) externally from the RTC that is tied to the lora TX delay.So i have the code that include the lora stack without any modific...

HDIA.1 by • Associate III
  • 7604 Views
  • 9 replies
  • 0 kudos

STM32WL rfbusys

On STM32WL is the rfbusys only available in polling mode or is there an interrupt linked to it ?

FGERA.1 by • Associate
  • 813 Views
  • 0 replies
  • 0 kudos
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