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Forum Posts

Initialising RTC

Posted on November 20, 2013 at 17:40Hey guys, I'm attempting to setup RTC without using any of the STM libraries. I've managed to disable the write access to the RTC registers by entering the keys into the RTC_WPR register. I've set the Init bit in ...

Quadrature encoders roll over management

Posted on November 19, 2013 at 02:25Hi,I am currently developping a firmware programmed into a STM32F407VG microcontroller.The firmware has the following tasks:- Reading motor positions (5 axes: 3 with quadratures/indexes and 2 with steps/directions...

demond by Associate
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STM32F407 as i2c slave

Posted on February 25, 2013 at 09:23Hi, does someone have experience with unable to clear STOPF bit, what causes continually jumps into i2c IRQ?I am trying to do it this way: I2C_ClearFlag(I2C1,I2C_FLAG_STOPF);,but it does not work.The reference man...

Toggle leds - EXTI and timers

Posted on November 18, 2013 at 15:55I'm trying to create a program that toggles 4 leds every 2 seconds. After you press the user button, 2 of them should blink every 2 seconds and the other one every second. I'm having troubles to understand how you...

STM32F373 SDADC Clock

Posted on November 20, 2013 at 10:57For a project in which I have to measure temperature as well, I would like to run the SDADC continuously but with a slower clock than 500kHz. Concerning the datasheet 500kHz is the minimum. Is there a explanation ...

STM32F4Discovery TIM7 with ethernet

Posted on November 20, 2013 at 03:48Hi everybody.  I can't seem to get a basic timer to work.  I've got it set for a 1 sec interrupt but it seems to never go into the interrupt.  I've configured the clocks correctly and changed the header file to 8 ...

STM32L Discovery Board no target connected help

Posted on November 20, 2013 at 03:28Over the summer, I attended a STM32L seminar. I got the board to connect and program perfectly on my work laptop. Since then the board has sat in my drawer, but I just recently got out to use on a school project. ...

zlbearss by Associate
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Interrupt Priority Sm3210e-Eval Stm32F107ZG

Posted on November 19, 2013 at 17:28I have a problem with my Interrupt priority.... My TIM3 is called every 5ms and have high priority and my TIM2 every 1ms have low priority and everytime my TIM2 is called. I want Interrupt TIM2 when TIM3 is active...

samed by Associate II
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