STM32 MCUs Products

Level triggered interrupts on STM32L series

I'm working with the STM32L152. I have a USB port which has a detect signal connected to an IO pin. When the USB plug is inserted or removed the detect pin changes state. On some occasions the signal is missed. Looking at the signal on the scope sho...

Moving from STM32L476xx to STM32L4R9xx

After spending some time looking into the R9 I decided to make the switch. I've been developing on the 76 for a while now. I read the migration document and it doesn't look like there are any differences.​Right now I'm having issues with spi and sd c...

I work on a project with stm32l010f4 how can i use timers to create a delay i dont want to use HAL_Delay is there any code for this??

SPI problem in STM32F10x

I have a problem with setting up SPI1 in Master mode using the following code. I set the SSM bit to enable software slave management, but when I try to enable the SPI by setting the SPE bit, the MSTR bit is cleared.Thanks for help.JaroslavRCC->APB2EN...

Why I am getting this error? "Nothing to build for project"

Hello guys, I was working with this code with no problem. I changed a couple of things in main.c and then removed it because it didn't work. Now, when I am copy and past the source code to the same folder again, I get this error and can not compile i...

I work on a project with stm32l010f4 how can i use oversampling to reach 16 bit resolution?? Is there any code for this?? I also enabled the oversampling option in adc configuration but it doesnt work

Hi, I am using STM32F401CC mcu. I want to erase the value of a specific flash memory address . Is it possible ? Is there any function like EraseFlashAddress ? Thanks

PWM+DMA to Generate a pulse output with a controlled number and adjustable duty cycle

I‘m configuring the timer pwm+dma output with cubemx, and I want to get a pulse output with a controlled number and adjustable duty cycle. and I used the above three methods, only the last two valid, but not the normal output.

How to Wake-up STM32L431RBtx from STOP0 mode?

Hi All,We have a project using STM32L431RBtx. In that we are trying to put MCU into sleep mode by using HAL API: HAL_PWREx_EnterSTOP0Mode(PWR_SLEEPENTRY_WFI) in bare-metal code base.Here the interrupt we have configured to wake-up the MCU from sleep...