Interface and connectivity ICs

How looks a process of waking up BlueNRG-2 from deep sleep?

Posted on June 05, 2018 at 08:51Hello everyoneI am confused by documentation of BlueNRG and various description of exiting from WFI for Cortex-M0.What is going on when BlueNRG-2 is woken up from deep sleep by external gpio pin?Is the program continu...

STusb1602 usb 2.0 protocol connections

Posted on June 29, 2018 at 17:16Hello!i am trying to pair a nordic nrf52 mcu with the stusb1602 throug a usb c cable but i would like firmware upgrades on our upcoming product to go through the usb 2 protocol too and i have no clue how to pair the u...

How do I register to receive change note for STM components that we use

We are especially interested in status changes eg. changing from active to NRND and obsolescence etc 

Why receiver sensitiity of a SPBTLE-1S BLE module is only -84 dBm? Is this a typo?

Does anyone here uses SPBTLE-1S Bluetooth LE module? All the other modules from different manufactures and developers have at least -90 dBm and usually around -93 dBm. What's wrong with this module? Also datasheet of it is just awful: a lot of missin...

How to tell Link Layer using Data Length Extension?

Posted on June 26, 2018 at 08:54I'm using BlueNRG-2 in Network Coprocessor mode over the SPI interface.  After establishing a connection with my device, how can I tell if the remote device supports Data Length Extension?I've experimented with the AC...

Were UpdateCharValueExt commands using DLE checked in Network Coprocessor mode?

Using BlueNRG-2 in Network Coprocessor mode with 2.1 FW. ATT_MTU = 247, max PDU = 251When using coprocessor mode, commands and events are sent as packets over the SPI bus. One of first parameters in a packet is the length of the packet (without the...

Bluenrg libbluenrg1_stack.a size

Hi,using the new sdk 3.0.0 I get a big increment in size of libbluenrg1_stack.a. With the same project the size jumps from 74K to 103K !Is it normal??libbluenrg1_stack.a: [15] aci_events.o 2 906 272 acl.o ...

Packet counter in blueNRG

Posted on June 22, 2018 at 09:54Hi everyone,I would like to count packets which I send in advertising channel. How can I do it? Maybe could I send each packet manually with any function? Then I will be able to increase my counter after sending one p...

How to use USB-CDC on B-L072Z-LRWAN1 (STM32L072CZY)

Hello,i want to use the USB-Port (CN1, USB-User), which is directly connected to the LoRa-Modul.How i have to implement it with CubeMx or manually?Best RegardsManni

Every time I try to get the ST-LINK connected to my computer I get this error message "ST-LINK connection error" does anyone know why? Thank you for your help!