STM32 MCUs Products

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Forum Posts

Reliably reading the CAN bus Rx FIFO overrun flag

Hi all:I have an STM32F407 and I am trying to implement a CAN bus software driver.I want to know if there has been a Rx FIFO overrun, which would mean that the firmware is too slow and is not seeing all received messages. Each hardware Rx FIFO can on...

Diez.R. by Associate II
  • 6558 Views
  • 9 replies
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STM32F205/07/15/17 Cross-Compatibility Inquiry

Hello,I am currently utilizing STM32F205xxxx chips on several board designs, but may need to transition to other chips within the STM32F207/15/17 family due to procurement issues. I wanted to confirm the pin-to-pin, hardware, and software compatibili...

FAl-H.1 by Associate
  • 599 Views
  • 3 replies
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Resolved! Factory default value of FLASH_OPTR

Hello,I would like to know the behavior of the BOOT0 pin on a factory fresh STM32G474 device. I'm wondering if I can use PB6 as a general input without causing side effects if the flash option register is at factory defaults. The reference manual sh...

I use HAL_FLASH_Program to program my internal flash, but it takes too much time, I program about 90kbytes, it will take about 90 seconds. Is there any faster way to program stm32l072.

my pagesize is 256 bytes, and 90k is about 351 pages  for(i = 0; i < pages; i++)  {    W25qxx_ReadPage((uint8_t *)u32_databuf, EXT_FLASH_ADDR_APP_START + i,0, w25qxx.PageSize);    ProgramInternalFlash(APP_BASE_ADDR + i * w25qxx.PageSize, u32_databuf,...

ZXiao.1 by Associate II
  • 4086 Views
  • 6 replies
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Hello! I am trying to interface IC max7219 (Serial interfaced led driver) with STM32F401RE through SPI communication.I am finding irregular functionality in logic analyser.Please help

Hello! I am trying to interface IC max7219 (Serial interfaced led driver) with STM32F401RE through SPI communication.I am finding irregular functionality of SPI enable (CS ) is active high when communication is happening & also MOSI data is incorr...

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Nchun.1 by Senior
  • 660 Views
  • 4 replies
  • 0 kudos

Setup Custom Node for iota in B-L4S5I-IOT01A

Hello I added a custom node and changed the default from the original code (https://api.lb-0.testnet.chrysalis2.com/ ) ,but i noticed i get some error messages from the functions of the main menu .I would like to know if that has anything to do with...

DKosy.1 by Associate II
  • 1193 Views
  • 5 replies
  • 0 kudos