Interface and connectivity ICs

Algotithms to perform Time Synchronization of multiple nodes, preferably all nodes in a mesh network?

Hi experts,I am looking for algorithms or any examples demonstrating time synchronisation of nodes in a BLE mesh network. It may seem to resemble to NTP server for time synchronisation. I want to have more accurate, within 5ms accuracy of synchronisa...

i cant send data over i2c

I wanted to use the MCP4725 12 bit DAC chip so I can generate analog voltage range of 0-5 V. Now I have 2 problems. My approach was as follows: first I checked communication with this showen below function.if(HAL_I2C_IsDeviceReady(&hi2c1,0xC4, 2,10)=...

How to interface PCM1774 to stm32l4?

I want to interface PCM1774 DAC IC with stm32L476. PCM1774 has I2C control interface and SAI as audio data Interface. In I2C communication I am getting Ckt and data in at the end it returns device error?Can someone help me on this?

Steval-FKI433V2 doesn't work with external power supply for Nucleo and S2-LP, when the power for ST-Link doesn't supplied.

Hello.I want to decrease power consumption of Steval-FKI433V2 and to cut ST-Link PCB part, but later.Conditions:The modified program SDK_Chat.c (from S2-LP DK example) is loaded to the Nucleo uC. Uder this program Nucleo+S2-LP send back received data...

Code generation using Matlab 2018b does not wok. How to Fix it? the error is Invalid index.

I am trying to generate code for an STM32 discovery board (STM32F4) for academic purposes. I am using matlab 2018b and embedded coder together with the STM32 Mat/Target support package and STM32CubeMx. I have built a simple example to ON and OFF the...

Which files do we need from the shared sample code for BNRG Mesh, so that we can create a custom smartphone application?

I am trying to create a custom Android app taking the reference of BNRG Mesh shared sample code. I am not able to create and start the network keeping smartphone as a provisioner. I am using Android plugin version 3.2.1 and Gradle version 4.6. Please...

S2-LP PN9 Sequence/Generator Seed

Is there any information about how the PN9 sequence is computed? I would like to know that sequence in order to do BER measurements. Thanks and regardslk

Can a BLE peripheral initiate connection to BLE central?

I am using a BlueTile (BCN002V1) evaluation kit. I'd like to make BLE peripheral initiate connection to a BLE central(cellphone) after waking up by accelerometer(LSM6D). Is this possible? If possible, how can I achieve this?Thank you.

I am using S2-LP subGhz module over STM32L0 series MCU for my solution. I want to know how can I do DFU over the air using S2-LP. If there is ready made module/library available the it will be great. Thanks in advance.

320x240 lcd TFT interfacing.

I am using a TFT which support HX8238 lcd driver IC . I am confused in wire coonection between it and my main controller. If any body have its driver library please share or suggest me to making it's library.