STM32 MCUs Wireless

Return value of function aci_gap_delete_ad_type in BLE stack of STM32WB

Hello,function "aci_gap_delete_ad_type" returns value "0x1F". This value is not defined in file "ble_defs.h" at lines 192ff like other return values ("BLE_STATUS_SUCCESS" etc.)Do you confirm that the meaning of "0x1F" is "AD_TYPE not found" ?Can you ...

is there any special document for how to program the STM32WB55 chips.

I need to program the chip use JTAG or SWD, But  now i could just read the jtag id. i could not access the flash. so is there special document for how to access the flash using JTAG or SWD interface.

stm32cubeprogrammer can not download

I am going to download the ble stack to stm32wb55 using the program. On P-NUCLEO-WB-55, it was downloaded properly, but I tried the same thing on my custom board, but it failed.This is the log we did on NUCLEO-WB55 below.Deleting previous wireless st...

Hi My application firmware is loaded using an OTA bootloader (I use the example in the SDK). My question is: It's possible switch between the OTA service and vice versa with an external button?

CubeMX LPUART Low speed external clock - possible initialization bug

Hi when trying to get some of the examples for the STM32WL devkit (Nucleo-WL55JC1) working for LL LPUART serial with the external 32kHz crystal, I've noticed that LL_RCC_LSE_EnablePropagation() is never called in SystemClock_Config. It looks like thi...

BlueNRG-2 �?URGENT】cannot send the 10th packet if aci_hal_set_tx_power_level(1,0x07)

I want to continuously send bytes from one device to another, both of the device using BlueNRG-2 microcontroller, I can send next packet when TX_BUFFER_FULL was not set. when the tx power level was set to 4 using aci_hal_set_tx_power_level(0x04), e...

How to correctly access flash memory to erase sectors (operation triggered by a BLE notification) before notifying the operation status through BLE.

Dear,My goal is to erase some flash sectors after the receipt of a specific BLE notification ( ChardId = OTAS_STM_BASE_ADDR_ID / Command = OTAS_STM_APPLICATION_UPLOAD) (line 17 in the first code sample). Once the operation done, I should notify the i...