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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BLE_STACK_CONFIGURATION error

I automatically generated a BLUENRG2 project, which I found in the stack_user_cfg.h file#ifndef BLE_STACK_CONFIGURATIONIt's not running, but I tried searching and couldn't find any other files with#define BLE_STACK_CONFIGURATIONAm I doing something w...

fanyun by Associate II
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Interfacing BlueNRG2 with Raspberry PI 4B

While interfacing BlueNRG2 ( i am using jumper wires from STEVAL-IDB008V2) with raspberry PI 4.which other lines do I have to use apart from MISO,MOSI ,SCK and Ground.I am using only CS line and making it low and then high at the end of communication...

PVaaz.1 by Associate III
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I made an acquisition board with STM32WB55rgv6. I want to save ads1299 sampling data to SD card by FATFS(via spi). But my write speed is only 1KB. Here are the measures I have tried: ①Improve SPI clock ②Replace faster SD card ③Mybuffer is 51200B

Although every time I write in a single block instead of multiple blocks, and I only use SPI, not DMA. But the write speed is too low, only 1KB. I've browsed through many measures, but they still haven't saved me. I used stm32cubeide to develop this ...

Lep by Senior
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BlueNRG-M2SA return (BLE_STATUS_OUT_OF_MEMORY)

Hi,​I tried BlueNRG_Stack_Initialization but it returned the value 0x48, I looked at the ble_status.h file and it says/** @brief The requested operation failed because of lack of memory.* Out of memory shall be returned for situations where memory wi...

fanyun by Associate II
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