STM32 MCUs Products

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Forum Posts

LPTIM cnt Initialize

I am using the low power timer (LPTIM), but i need to initialize the timer value to 30000 before start the counting.Is it possible ?Thank you!

MWisi.1 by Associate II
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  • 8 replies
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Resolved! stm32 h7 analog direct channel

i am using stm32h723zg nucleo board, I'm using adc's direct channe, There are 2 different analog channel definition processes for the direct channel.what is the difference between the two.A-)LL_SYSCFG_OpenAnalogSwitch(LL_SYSCFG_ANALOG_SWITCH_PC2|LL_...

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 III
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  • 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
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  • 2 replies
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Resolved! HAL_TIM_PWM_PulseFinishedCallback() not getting called

I've created a single pulse that executes for about 150ms. When it's complete I was expecting HAL_TIM_PWM_PulseFinishedCallback() to be called, however, it never is.Doing this:if (HAL_TIM_OnePulse_Start(&htim1, TIM_CHANNEL_1) != HAL_OK) { /* Starti...

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
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  • 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 ...