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STM32 with small flash + HAL + DEBUG + no Optimization...

... leads to "funny" results:STM32L011 with 16 kB of flash, HAL inits and LED toggle in main, DEBUG, no optimization:93% of flash usedI had not expected it to be that bad! :grinning_face_with_sweat:Okay, I will probably not use too much HAL, will use...

STM32L011_HAL_DEBUG_noOpt.png
LCE by Principal II
  • 5162 Views
  • 25 replies
  • 10 kudos

Resolved! Uart interrupt & debug problem

Hello.First of all, thank you for your help.I have a question about UART & debug.When I stop transmitting from the PC while communicating with the PC and then debug, there is no problem.When I stop debugging and resume while transmitting from the PC,...

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bsPark by Associate
  • 205 Views
  • 3 replies
  • 1 kudos

STM32U575 OTG_FS host suspend and remote wakeup failure

I am trying to implement an application with USB CDC-ECM host capabilities. As a bring up setup, I configured two STM32 boards:1) STM32U5G9J-DK2 board, configured as a CDC-ECM device, using USBX.2) STM32U575I-EV, configured as a CDC-ECM host, using U...

talk by Associate II
  • 489 Views
  • 6 replies
  • 2 kudos

STM32H725 TIM5 issue

I am using one of the 32 bit timers to measure intervals for fault protection on a HV pulse modulator.  I have an interrupt on EXTI that captures both leading and trailing edges of the command pulse.   In the service routine, I simply store the lates...

JCase.1 by Associate III
  • 125 Views
  • 1 replies
  • 0 kudos

STM32H735 wake from standby

My simple program to test wake from standby with PC13/Wakeup_pin4 is working.  I use the pushbutton on this pin as an EXTI and had to add the GPIO_DeInit before setting the pin as an input without EXTI.The same code does not work in my larger program...

Ian_CP by Associate II
  • 210 Views
  • 5 replies
  • 0 kudos

Resolved! Any STM32 with Split Power SPI Domains (1.8V & 3.3V IOs) ?

I’m working on a design where I need to communicate with two SPI devices that operate at different logic levels:1) A sensor running at 1.8v logic (need SPI + 2 other lines, all at 1.8v) 2) Everything else on my board, preferably running at 3.3v, I wi...

sc123 by Associate
  • 203 Views
  • 4 replies
  • 1 kudos

STM32N6570-DK with STEVAL-66GYMAI Flickering problem

Hello,   I am using this example: https://github.com/STMicroelectronics/x-cube-n6-ai-h264-usb-uvc HW: STM32N6570-DK + STEVAL-66GYMAI  I have this strange behavior only when using the VD66GY. If no motion on the video, i barely see the flickering. How...

Screenshot from 2025-07-18 00-43-28.png Screenshot from 2025-07-17 23-59-52.png
FB__1 by Associate III
  • 208 Views
  • 1 replies
  • 0 kudos