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Resolved! Enable/ disable EXTI interrupts using HAL

Hey guys.I need to enable/disable the line 14 of the EXTI interrupts multiple times, using HALDo i just use the HAL_NVIC_DisableIRQ  HAL_NVIC_EnableIRQ  ( and HAL_NVIC_SetPriority whenever i re-enable the line?), providing the correct handle to the a...

STM32H7 ADC Triggered by timer at high frequency.

Hello everyone.I am having trouble reaching the desired conversion frequency when attempting to have the ADC convert samples at a frequency of 384kHz( T ~ 2.6us ). The issue I've come across is that on each timer update signal, the ADC first has a wi...

StefanTM by Associate
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  • 1 replies
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Resolved! Strange values when reading timer CNT

I have a timer (TIM10) with a period of 500 us, running without interrupt or any other function.Then I have a rising+falling signal interrupt on PB0 (EXTI0) driven with a 31.25 kHz square wave.In EXTI0 I read the CNT value into a variable New, evalua...

Guidoted by Associate III
  • 2462 Views
  • 15 replies
  • 2 kudos

STM32H723 .. 735 RM0468 System Architecture table wrong

... or something I don't understand?Looking at RM0468, 2.1 System Architecture "Table 2. Bus-master-to-bus-slave interconnect" shows that DMA1 and DMA2 have access to basically everything except TCM, including APB4 peripherals and SRAM4.Is there some...

LCE by Principal II
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  • 6 replies
  • 3 kudos

Resolved! Project Migration to STM

Dear Team,Currently, we have developed a prototype with an ESP32 and the prototype meets all the functionalities. However, we are now having some troubles scaling it to production. So now we are looking to migrate our product to using STM MCU. We hav...

lufa by Associate II
  • 1489 Views
  • 6 replies
  • 0 kudos

Timer Trigger DMA Tx transfer for SPI2

Hi there,Iam using STM32F407ZGT6 controller, and we're interfacing DAC (MCP4902) with SPI2 and SPI2 is connected to DMA1. I need to transfer data in a circular mode using DMA1 to DAC using SPI, i have gone through the reference manual only TIM1 and T...