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Resolved! STM32H743 RTC Wakeup

Im trying to configure RTC for periodic autowakeup, and have no clue why it is now working properly. RTC_WKUP_IRQHandler called immediately and again and again, even though wakeup flag is cleared, resulting 2.4 MHz at LED2 (LED2_GPIO_Port->ODR ^= LED...

Resolved! STM32G0: Remapping address 0x00000000 to SRAM does not work

Hello,I'm using a STM32G0B1CC and I'm trying to remap address 0x00000000 to SRAM like this: __HAL_RCC_SYSCFG_CLK_ENABLE(); __HAL_SYSCFG_REMAPMEMORY_SRAM();Unfortunately this does not work and 0x00000000 is still mapped to FLASH.If I try to remap t...

DaMCU by Associate II
  • 1727 Views
  • 7 replies
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Resolved! How to generate PWM and use timer interrupt at the same time?

I am using the Bluepill board. I want to generate PWM signal on Timer2 and set up a timer interrupt at 20ms interval on Timer3. I realized that the PWM signal cannot be generated if I set up the timer interrupt on Timer3. How do I solve this problem?

M7890.1 by Associate III
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  • 11 replies
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How to prevent uploading a new sketch to a Nucleo board

 I hope this thread is posted in the right category.I’ve been using Arduino boards for several years and am thinking of using a Nucleo 144 board (specifically, Nucleo-F207ZG) for a project. Once the project is completed, it will be serve as a permane...

Saint32 by Associate II
  • 1468 Views
  • 8 replies
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Determining RAM size at Runtime?

There's the Flash Size Register in the Device electronic signature. Is there an equivalent for the onboard SRAM size? Any way to get the ACTUAL SRAM size at runtime?

LMore.5 by Associate II
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  • 2 replies
  • 0 kudos

Resolved! ADC(with DMA) doesn't work when I increase its frequency

This has been a reoccurring issue for me, whenever I raise the ADC frequency above 0.25MHZ the while loop gets interrupted, and when I use frequencies below that the ADC resolution drops to 8 bits for an unknown reason. Is there a way to fix this wi...

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HAbay.1 by Associate III
  • 1560 Views
  • 8 replies
  • 1 kudos