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Timer, motor _speed

Posted on April 09, 2016 at 16:45Hello,I wanna calculate the motor speed using timer of STM32F4. I wanna know the time spended in one revolution.  So , who would  explain for me how can I do that . thanks a lot.

Measuring the time duration between two pulses

Posted on May 23, 2013 at 17:11Hello,I want to do something ''simple'': measuring the time duration between two button presses. In my application, the user can press a button repetitively and the STM32F4 will calculate the time between two pulses to...

Stm32f407+freertos tickless mode

Posted on May 08, 2014 at 23:04Hello everybody. I have a working code with stm32f407 and freertos. I want to use stop mode at the microcontroller. I read the tickless mode at freertos, this is for use the sleep mode. If I define this mode, my code g...

totti001 by • Associate II
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External NOR Flash access on STM32F407

Posted on April 15, 2016 at 09:43Hi I am having trouble in accessing the external NOR flash on STM32F407 device. As per the user's manual, the FSMCs have been set up but the I doubt whether it's correct or not. Has anyone tried it before or do ST ha...

sanks85 by • Associate
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Standby mode and rtc with STM32L

Posted on September 05, 2014 at 13:07Hi, i'm using the STM32L151 for a little project. I use an external crystal for the rtc to show time and date in a display. If battery is low i want to save battery power, so in this case i activate the standby...

Using RTC Wake up ISR as OS Systick

Posted on April 05, 2016 at 21:48Due to low power requirements, I would like to use a different source to generate the 1ms or 10ms OS tick. The internal RTC, using a 32768Hz external crystal as it's clock source, is able to generate interrupts at ~6...

Dsi display connection.

Posted on April 15, 2016 at 15:41Hello! I want to connect dsi display with 2 lanes and 480*800 pixels resolution (portrait mode) to stm32f769 controller.This means that active height is 800 pixels. The LTDC module support active height up to 768 pix...

HAL SmartCard bug

Posted on April 11, 2016 at 06:18 Dear ST staff, I found a small bug in CubeMX 4.12.0. Although I don't use latest CubeMX, I contribute this discussion, becasuse RereaceNote of CubeMX says the bug  is still existing. The bug is at SMARTCARD_Receive_...

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