STM32 MCUs Wireless

stm32wb55 firmware hangs if I add more than 5 services.

I have a requirement for 10 services and each service contains 4 charecteristics.-currently, I have defined 10 services and characteristics. in code.-firmware starts, but when I try to connect from the app it gets stuck in void hci_cmd_resp_wait(uint...

STM32 Timer - I can only get OCx to pulse one time. How do I trigger another pulse?

STM32WB55xxI am using TIM1 CH1N and CH2N to create a pulse on each pin that lasts 1000 counts.The MX_TIM1_Init() is shown below. After this is set up (along with the clock configuration), I run HAL_TIMEx_OCN_Start_IT() on each channel and I see that ...

Error in MB1389 (Nucleo WL) schematics

The schematics on page 5 says regarding HSE external""C31 must be placed in orderto avoid stubs on XTA pathwhen C31 not fitted."Probably R41 is meant to be placed.

Stuck when controllig PESD bit during BLE connection initial phase

Hello, I'm using STM32WB55 for my application and I'm following the AN5289 Rev 3 to write data into flash. When the BLE is looking for a device to connect, the procedure stuks checking PESD bit for more then 30 seconds. It is normal?I suppose the amo...

STM32WB55REV6 custom target board BLE wireless stack program issue.

I have STM32WB55REV6 based custom target board which contains 512KB flash. I tried to download FUS and BLE stack, but it seems like did not programmed correctly and Host controller (CM4) is in wait for event from network processor (CM0). Following ba...

Why Switching EU868 to US915 causes CRC errors in cloned I-CUBE-LRWAN?

Hi all,My problem is as follows: using ChirpStack to collect data from custom built nodes where the LoRaWAN part is derived from ST LRWAN 1.3.1 codebase, the following happens. Compiling the firmware with Region set to EU868 everything is hunky dory ...

STM32WB55 FUS issue ==> firmware not authentic or reconnexion issue during upgrade

Hello,I' trying to update the FUS on my STM32WB55CG (1M), I have the latest STM32Cube_FW_WB_V1.3.0, I followed the Release_Notes in the STM32WB_Copro_Wireless_Binaries :for information I use this chip on my own board (not a nucleo)I switched the MCU ...

is there a STM32W based BLE hardware module which is certified (FCC/EN)? We use a NINA-B112-00B based on Nordic Semiconductor right now and would like to replace it by an STM32W type with similar dimensions and certifications.