STM32 MCUs Products

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Forum Posts

How should I configure SDMMC1 for STM32H747I-DISCO?

I try a lot of clock configurations but it always response command timeout error at the following line of the generated MX_SDMMC1_SD_Init function.if (HAL_SD_Init(&hsd1) != HAL_OK) {  Error_Handler(); }How should I set the SDMMC1 configuration for ST...

Ellaine by Associate II
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  • 3 replies
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UART and timer interrupt issue

Hello! I having some problems using USART and timersI'm receiving data by USART1+DMA and sending it by USB every 100[ms], if no data is received in 1[s], then timer TIM2 make an interrupt and sends a special USB message. This is done resetting timer'...

SGonz.2 by Associate II
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  • 2 replies
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UART and timer interrupt issue

Hello! Can you help me?I'm receiving data in UART Rx with DMA and send it by USB, it works fine. Now i'm trying to set up a timer to check if I'm receiving data every 250[ms] and send a special message. When I don't configure the timer it works, but ...

SGonz.2 by Associate II
  • 548 Views
  • 2 replies
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STM32F030 Temperatur Sensor

i tried to use the internal temperatur sensor but its a little bit strangewhen the tempertur goes up the value from the adc goes downis that right or is my config for the adc wrong ?

RSeye.1 by Associate II
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  • 7 replies
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Setting Option Bytes on a new MCU fails on STM32L451RCT6

Hello eveyone,In my code i try to set the BOR level with the following function:/** * Set proper BOR level. */ void setBorLevel(void) { FLASH_OBProgramInitTypeDef optionBytesInit = {0U}; bool_t isBorLevelConfigured; uint32_t borLevel = ...

AH.6 by Associate
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  • 0 replies
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stm32L051 registers don't change

Hello!I'm working on a custom board with an stm32L051 and the HSI16 crystal. I'm setting the clock registers, Flash, PWR and then I try to enable the clock for TIM21. as you can see in the code I set the bit but the computer "doesn't listen"(I am loo...

0693W00000NrKBMQA3.png
EPora.1 by Associate II
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  • 6 replies
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Resolved! About output compare mode of STM32G071RB

I want to perform a timer interrupt using the output comparison mode.When the frequency is set to 2000Hz, ARR : 20, CCR1 : 25, I think that interrupt does not occur because ARR <CCR1, but interrupt occurs. Why do interrupts occur?

0693W00000NrN36QAF.png
Sodag.1 by Associate II
  • 842 Views
  • 3 replies
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the touchscreen on the board STM32H747I-DISCO

Hello,I need some examples to learn how to configure and use the touchscreen on STM32H747I-DISCO board.Could you provide it or direct me to the resources which contain such an example, please.Thanks,Best regards

DShub.1 by Associate II
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