STM32 MCUs Products

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Forum Posts

Missing counter using TIMER input count

Hi all, I'm using nucleo STM32 L4R5ZI .Using systick 120Mhz as clockand set timer 2 , channel 1 as TIM_TS_TI1FP1 (Trigger and rising edge)Then, using int count = __HAL_TIM_GetCounter(&htim2); to sample the count for every 1ms. Input 40KHz . By right...

Alan Tan by Associate II
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using PWM function in STM32F302R8 nucleo board. [ SOLVED] I can't start PWM function . most of my code has been made by using Cube. I see nothing in ouput PC2 and PF0 for TIM1 chanel 3 and 3N.

I am French.There is now more than one week that I try, see youtube and some comments on forum. I need your experience for solving the initialisation of a "simple" PWM.Thanks in advance.Joëlhere under my code. in the main I have launch : PWM1_CH3N_se...

Joel14 by Associate II
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Resolved! STM32F407 external interrupt PD11 not working

Hello,I'm using the Pins PC0, PD11 and PD12 in my application as external interrupts with rising edge. To handle the interrupt, I'm using the functions EXTI0_IRQHandler() for PC0 and EXTI15_10_IRQHandler() for PD11 and PD12. In both functions is the ...

user 143 by Associate III
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F407 Hard Fault

Hello,I am woking with CMSIS RTOS v1 on STM32F407 mcu,and every time after ~30 mins my device gets haurd fault.void vListInsertEnd( List_t * const pxList, ListItem_t * const pxNewListItem ) { ListItem_t * const pxIndex = pxList->pxIndex; // <------- ...

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qqAnton by Senior
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HELP !! FMC what is going on

Hello any help appreciatedtrying to work out out how the FMC peripheral works on the STM32F767ZI armwould like to interface an FPGA to the 767 arm as an external memory device using a multiplexed Address & Data Bus, but so little info on the FMC out ...

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JHERI by Senior
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Use systick as a timer and read timer value

i am new in stm32 . i am using stm32lo31 series nucleo board . i want to read push button press timing so i am using polling method to detect read button press event. then i want time between press event to release. how can i configure systick to...

problem with stm32f103c8t6

Hi guy, i'm new to stm32. I'm using stm32f103c8t6, my problem is that when i upload the code with stlink, and without switching boot0 back to 0, my program work fine, but when i reset by reset button or power this board with usb cable, it doesnt work...