STM32 MCUs products

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32F417 DMA double buffer mode

Hi All,I have a waveform generator which uses TIM4 to trigger the DACs and they trigger DMA to transfer 32-bit words to the DACs (concurrently).I am using the DMA double buffer mode. So I have two source pointers, which are supposed to get flipped ea...

PHolt.1 by Senior II
  • 9 replies
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How easy run to UART idle interrupt on STM32H723

Hello,I have some problem with enable idle line interrupt in STM32H723. Previously i tested on stm32f7 and worked great. I use only HAL function. Below i show my code responsible for idle line on F7, the same code dont work on H7.Does anyone have an ...

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PDusz.1 by Associate
  • 2 replies
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Resolved! STM32F407G-DISC1 printf issue

Hi there,I want to do a printf redirected to a Tera Term using the USART2 on the STM32F407G-Disc1, but it doesn't print while the same code works on the NUCLEO-F401RE. I found this instruction in the user manual UM1472. Does it mean that I have to u...

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Resolved! MAX31850K (1-Wire) on STM32G030 issue

Hi guys,I am struggling for a few days with the MAX31850K (Cold-Junction Compensated, 1-Wire Thermocouple-to-Digital Converters) so I was hoping that some of you might have experienced the same issue.The chip is soldered on my custom PCB (I am not us...

SBurg.3 by Associate II
  • 6 replies
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I2C register configuration problem

Hi to all,I'm trying to write my own I2C class, but SDA seems not willing to collaborate.Here is pins configuration:#define I2C1_SCL   8      // PB8#define I2C1_SDA   9      // PB9MYI2C::MYI2C(){   if(!(RCC->AHBENR & RCC_AHBENR_GPIOBEN)) RCC->AHBENR ...

STM32G070 print uint8_t shows 0

I have a strange issue. I use printf function in a uart port for print some variables that I use in my code. This works perfectly in cortex m4, but now in cortex m0, the variable printed show me 0, in the next code:uint8_t flash_ext_init(void){   ui...

JCuna.1 by Senior
  • 12 replies
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Resolved! Hal_gettick equivalent in LL

I almost migrated all my code from Hal to LL and I am really happy for the execution improvent and better size footprint of the code.However, I can not find a way to make/get a equivalent function as hal_gettick provide me. Usually I use state machin...

JCuna.1 by Senior
  • 2 replies
  • 0 kudos