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

STM BlueNRG-MS Max Characteristic length limited to 255 due to aci_gatt_add_char function limitations.

My general understanding is that the BLE standard supports characteristics with a lenght of up to 512 bytes. I'm using the BlueNRG-MS chip from STM but there the function call to add a characteristic has a uint8_t value for the length parametertBleSt...

aj.sk by Associate III
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Ble Sends some Junk Data

Hi alli am using blenrg2 m2sp chip as network mode. its operating as peripheral device and communicating with host controller through UART with 115200 baud rate .I received BLE read characteristic request , i did not response till 1 second a...

MCV.1 by Associate II
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Why X-CUBE-BLE2 make my SPI bus down ?

Hi,I have a project with BlueNRG-M2SP and I want to use it in custom PCB with X-CUBE-BLE2 lib.When I add this software pack to Cube MX, it make my other spi and quadspi bus down. Also, the ble spi line seems to not work at the same way : there is no ...

ACHAB.1 by Associate
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Adding Character to gatt_db ( STEVAL-BNC002V1)

Hello everyone i'm discovering BLE communication through STEVAL-BNC002V1.Then i want to add new characteristics with fields calculated with values from sensors. I read the documentation but i can't understand the function aci_gatt_db_add_char.I will ...

MSENE.1 by Associate
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  • 4 replies
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