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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BlueNRG-1 ble gatt write request

Hi, anyone has an example to share for understand which api function can generate a "gatt write request" ? and how to use it?I'm stuck trying to write from central to pheriperal device, because all writes goes into timeout (pheriperla device disconne...

S2-LP Registers

Hi Everyone,I have some questions regarding the registers of the Sub-1GH transceiver 'S2-LP':1) Which registers (configuration registers) are retained in "standby state", in "sleep_A state" and in "sleep_B sate"? Which registers are not retained, and...

WN by Associate
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  • 2 replies
  • 1 kudos

Transmitter and receiver address, s2-lp

Hi, Is it possible to set the address of the transmitter or receiver via S2_LP DK? My project involves sending data via s2-lp between two sets (nucleo-l053r8 with steval-fki868v2), I would like to set one for receive only and the other for read only....

DanielH by Associate
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  • 1 replies
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Issue when compiling BlueNRG-2 SampleApp

Hi,I'm trying to compile the example called SampleApp using keil uVision as IDE. When the project is created, in the Manage Run-Time Environment, the Startup selector in the Device tab is not selected by default, but I selected it before compiling th...

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dsm85 by Associate
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  • 1 replies
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BlueNRG0 optimizing BLE troughput.

 Hello,I am an engineering student currently working with the BlueNRG-M0 for a student project. My setup consists of a mobile application communicating with embedded firmware through the BlueNRG-M0. However, I'm facing an issue: the throughput is qui...

Reda by Associate
  • 436 Views
  • 0 replies
  • 0 kudos

Optimizing Bluetooth LE

 Hello,I am an engineering student currently working with the BlueNRG-M0 for a student project. My setup consists of a mobile application communicating with embedded firmware through the BlueNRG-M0. However, I'm facing an issue: the throughput is qui...

Reda by Associate
  • 496 Views
  • 0 replies
  • 0 kudos

Configuring STM32U575 for I2C DMA transfer

I am working through a workshop tutorial on how to configure and use GPDMA transfers via the linked list functionality provided in STM32CUBEMX. When setting the linked list runtime configuration a Source Address, Destination Address and Data size are...

ITayl.1 by Associate
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Resolved! ST4485EB : is it 5V compatible

Hi,The ST4485EB IC mentions that it needs a 3v3 supply. How can we ensure that the A and B lines interoperate with other RS485 devices working at a 5V logic level as the datasheet mentions . Should I just provide 5V supply to this chip so that it int...

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Nilav by Associate II
  • 1650 Views
  • 4 replies
  • 2 kudos