Interface and connectivity ICs

Ask questions and find answers on connectivity ICs, focusing on protocols and I2C challenges on STM32 Nucleo boards and BlueNRG products.

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Forum Posts

SPWF01SC.21 module AT-commands library

Posted on September 25, 2015 at 13:41Hi, Is there any reference AT-commands library written in C for SPWF01 modules? Googling didn't help. Target OS is FreeRTOS, but generic C library is acceptable. I know, I can write it using state machines etc. I...

Grigori by Associate II
  • 2021 Views
  • 13 replies
  • 0 kudos

OOK - Direct Rx Through GPIO

Posted on October 29, 2015 at 09:34Hi all I'm trying to use SPIRIT1 as a simple receiver of OOK modulated signal using DIRECT RX MODE THROUGH GPIO but i'm not able to obtain a clean signal, I've always spurious commutations inside my data frame. It ...

dev by Associate
  • 611 Views
  • 1 replies
  • 0 kudos

SPBT2632C2A.AT2 Firmware Download

Posted on November 22, 2015 at 02:22Hello, I'm trying to figure out where I can download the AT2 1.5 or 1.6 firmware for the SPBT2632C2A.AT2. Our application requires features of the new firmware and we have a bunch of assembled units with freshly o...

SSL/TLS Error: Unable to connect (-1)

Posted on November 16, 2015 at 08:58Hi, I'm trying to establish a TLS communication using the one-way authentication. I loaded into the SPWF01 the CA certificate as described in the example of the AN4683 but when I try to connect to the openssl serv...

paolo23 by Associate II
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  • 6 replies
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SPWF01SA PCB Footprint

Posted on November 17, 2015 at 15:05Between the rev 4 & Rev 6 datasheets there seems to have been a change in the centre pad size on the recommended footprint.  It now seems to ask for 8mm max x6mm max - previously it was specified as 10mmx8mm!  I h...

toby by Associate II
  • 743 Views
  • 3 replies
  • 0 kudos

BlueNR-MS Active

Posted on November 13, 2015 at 12:50Hi all!Please, can you help me. I have next problem. In My device I use BlueNRG-MS (HSI-16MHz, LSE ext - 32.768). BlueNRG init Ok, but not available in RF.  He is active with a period of 30 seconds (name ''atn_B41...

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dnedov by Associate
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  • 0 replies
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VCOM project from L053 to L051

Posted on November 11, 2015 at 15:29Hello, I have a query. I have a Virtual COM demo Project by ST. It is meant for L053R6 with Blue NRG chip. Will the same work on L051R6 with the same Blue NRG chip? The UART pins seem to be the same. I changed the...

sai by Associate II
  • 572 Views
  • 2 replies
  • 0 kudos