STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

How to add FreeRTOS to BLE Serial Port Example?

I refer to the BLE Beacon FreeRTOS example and include the FreeRTOS file into the BLE Serial Port example, but the RAM exceeds 1808 Byte, so I modified FreeRTOSConfig.h and adjusted the constants related to SIZE, but it still failed.I would like to a...

J.C by Associate
  • 747 Views
  • 0 replies
  • 0 kudos

SPI_RxFIFOThresholdConfig is not defined

I'm using the L4xx HAL library and trying to set my SPI RX threshold value to 1/4 so I can receive a single byte response. From my research there should be a HAL function called SPI_RxFIFOThresholdConfig that will do this. When I put it into my SPI i...

RBair.3 by Associate II
  • 932 Views
  • 2 replies
  • 0 kudos

Ethernet TX doesn't work because ETH_DMATxDescListInit() doesn't initialize the entire ETH_DMADescTypeDef

The officially recommended recipe for lwIP on STM32H7 puts the ethernet DMA descriptors in SRAM1. SRAM1 is not zero'd by the default startup code.It's unsafe for the network drivers to assume that buffers and critical data structures live in .bss.F...

Resolved! I have a question about cmsis dsp lib source.((arm_mult_q31.c)

Hi​I found something strange in cmsis dsp source.​I am using stm32f429 and LITTLE ENDIAN and cmsis dsp library V.1.5.1.​in cmsis dsp library(arm_mult_q31.c) :​void arm_mult_q31( q31_t * pSrcA, q31_t * pSrcB, q31_t * pDst, uint32_t blockSize){... whil...

yh by Associate II
  • 2462 Views
  • 4 replies
  • 0 kudos

SPI is always stuck in busy state

I have found several other forum posts on this subject, and I've tried to follow them, but I'm still stuck. For some reason, SPI3 on my bl47eio1a never enters a ready state. It gets stuck waiting for a ready state before it ever can send or receive a...

RBair.3 by Associate II
  • 2382 Views
  • 3 replies
  • 0 kudos