Interface and connectivity ICs

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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
  • 348 Views
  • 0 replies
  • 0 kudos

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
  • 300 Views
  • 1 replies
  • 0 kudos