STM32 MCUs Wireless

Detection of data transmission failure due to BLE disconnection during data transmission

I am using STM32WB5MMGH6 as slave and communicating with host using BLE. I would like to ask a question here: He has read AN5270 and is considering a method for the user to detect when data transmission fails due to BLE disconnection etc. during data...

PLACE_IN_SECTION(..) macro linking issues

Throughout the codebase the PLACE_IN_SECTION macro is used to place bluetooth related static variables into their own sections. I guess this is done increase the isolation from possible errors in other parts of the code.The sections (for example "BLE...

STM32WB15 / 55 soil moisture sensor

Hi,I plan to design and build a soil moisture sensor for our plants at home, based on the STM32WB55 (I need ZigBee / Thread). But I want to build up a prototype by using my STM32WB15 nucleo board and some of these cheap Arduino Soul Moisture PCBs wit...

Testing RTC_SSRU

I'm looking to create a test case to verify that the handling of the interrupt generated by RTC SSRU is working correctly.In the LoRaWAN code base, the SSR time is set up such that the underflow will happen after about 48.5 days.There doesn't seem to...

How do characteristics numbered and why do i get a gatt error

So I just don't get something in BLE,My service discovery says it is from 0x000C up to 0x0011. my service has 2 characteristics.but then I scan the characteristics in that range (from 000C to 0011 ) and get them but also get an gatt error on attribut...

Buggy command ACI_GATT_DISC_READ_CHAR_BY_UUID stops to work

Hello Dear,Was debugging this command today, and unfortunately found it to be working only partly.From what I see,  is that the command aci_gatt_disc_char_by_uuid_cp0 occasionally works and occasionally doesn't.Currently developing on the stm32wb55, ...

I see that the STM32WB55xx supports a Rf amplifier using Pin PB0 as TX indicator. Is there any provision for a external pre-amplifier RX indicator and sleep mode indicator to drive a external FEM such as the SKY66112? It needs TX,RX and Sleep mode inputs.

CE declaration of conformity for P-NUCLEO-WB55

Hello, I'm looking for the declaration of conformity document for the P-NUCLEO-WB55 pack [MCU STM32WB55RG (Nucleo68) and MCU STM32WB55CG (USB Dongle)]The document I need should reference the RF standards that the product is in compliance with.I check...