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STM32 firmware stack for ST7540

Posted on May 22, 2013 at 21:53Hello,I'm starting to develop firmware to interface the ST7540 powerline communication modem. I have read http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/DM00063638.pdf but I couldn...

daan by • Associate II
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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 ...

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