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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SPTBLE-1S Scan ADC? Any consultants lurking?

Is there a good way to scan the ADC channels with this chip (I'm used to the STM32F030)?I need to scan ADC1, ADC2, and the Temperature... when I read them individually, it works, but when I change the muxes between every read, it makes garbage...Also...

TJohn.14 by Associate II
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Bonding failure if ret = aci_gap_slave_security_req(Connection_Handle); is called two times and device is already bonded to my phone.

First time, my phone bonds and connects succesfully to my device, but when i disconnect and reconnect the device gets not bonded, then connected and then disconnected. If i disable the call to aci_gap_slave_security_req function the second time, it c...

LMoio by Associate II
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hello, i paired and bonded my peripheral with my cellphone (Galaxy s8). I expect that after disconnecting, the cellphone can reconnect automatically to the peripheral as soon as it enters in its range, but this does not happen. Thanks

On my phone i'm using nRF Connect app. I can manually connect (and bond), disconnect and reconnect, but i'd want to reconnect automatically.What i've done on my device:/*Set capability*/  ret = aci_gap_set_io_capability(IO_CAP_DISPLAY_ONLY); /* Set a...

LMoio by Associate II
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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)=...

Samuel1 by Associate III
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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...

bvn123 by Associate II
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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...

NKall.7 by Associate II
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