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Forum Posts

Timer behaviour after wakeup from STOP

I've searched and not found anything describing this behaviour (on the internet or this forum, which I've found to be an incredible resource so far - thank you).I have a configuration where I go into STOP, exit out of STOP via EXTI, start TIM1, allow...

avidroneg by Associate III
  • 247 Views
  • 12 replies
  • 1 kudos

Trying to make a single pulse test.

Hi, I am currently trying to make a single pulse test jig I can use to test MOSFETs in an series resonant converter. I am using the STM32F411CEU6.  I am trying to make a state machine that can make these signals at two different pins. The two variabl...

SinglePulseJig.png

Resolved! Jump to Freertos application

Hi all,I have developed a bootloader for STM32F412, the bootloader works perfectly, however, when I change the user app to be FreeRTOS based, it ceases to work.I added a blink led in the Hard Fault in both the bootloader and app, but both were not tr...

Qusai by Associate II
  • 1267 Views
  • 15 replies
  • 2 kudos

Resolved! NUCLEO SRC1M1 X-CUBE-TCPP USBPD Charging problems

Hi, I am using a NUCLEO-G474RE with the X-NUCLEO-SRC1M1 board. I have created and configures the project according to https://wiki.st.com/stm32mcu/wiki/STM32StepByStep:Getting_started_with_USB-Power_Delivery_Source I am monitoring the board with the ...

janik by Associate II
  • 149 Views
  • 1 replies
  • 2 kudos

Resolved! Bug in STM32F103: enabling FSMC clock pulls up PB7

I have an STM32F103 board call 野火STM32F103ZE_霸道开发板,i found  enable  FSMC clock will pull up PB7  GPIO to 3.26v ,   i try decrease my code ceaselessly to verify this bug, finaly it can reproduce bug easily like this #include "stm32f10x.h" int main (v...

owlm00n by Associate II
  • 404 Views
  • 15 replies
  • 10 kudos

Resolved! Execution time changes over time, why?

STM32F411RE - NUCLEOI'm working through a course on power optimization on STM32s & I'm genuinely confused about some results I'm getting off the board. I've set up TIM5 to count execution time in us like so, void Timer_Init_For_Timing(void) { RCC->A...

OCTA SPI PINs For STM32U575VIT6Q Controllers

Hi @Issamos Hope You doing well . we are started new design using STM32U575VIT6Q this controller, we have some doubts regarding the SPI line, we searched in the STM32cubemx in that we cannot able to find the octa spi pins, Can you pls share me the St...

HA2375- by Associate II
  • 68 Views
  • 2 replies
  • 1 kudos

Resolved! Strange variable behavior in struct, TCP / lwIP

Heyho,I have a super-stable TCP-audio-streaming server on a H733 here, using custom ETH driver and lwIP, no OS.But I recently found that in a struct which is used for handling / storing the TCP connection, the variable to store the port number "u16Po...

LCE by Principal II
  • 84 Views
  • 2 replies
  • 1 kudos

Resolved! ISR memory update & Timer trigger

Hello All, I am facing a strange situationI have an ISR function1 that is triggered on Falling / Rising Edge of a GPIO pin This function1 according to the state of variable will either start TIMER2 and stop TIMER3 and the way around.TIMER2 & 3 have a...

vbesson by Senior
  • 107 Views
  • 2 replies
  • 2 kudos