Interface and connectivity ICs

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.

stlink v2 debugger in atmel studio

i have working on atmel IDE . is stlink v2 debugger used to flash ?(i.e in atmel studio with mcu as samv71)