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STM32F101RD: Interrupt preemption not working

Posted on October 03, 2014 at 16:52System info: 8MHz external clock, 24MHz interrupt system clock.Interrupt preemption is not working for me no matter the combination of priorities and priority groupings. My goal is to have a high speed timer interr...

jansen by Associate II
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I2C doesn't work!

Posted on October 15, 2014 at 11:38Please, help me into get out of this trouble!I' am working on discovery board STM32F429L-disco. In order to have an I2C available to drive an external device, I am using PC9 ad PA8 pins (I2C3), that are also used t...

STM32F407 I2C Issue

Posted on October 15, 2014 at 17:00 Hello Everyone, We have a specific module connected to stm32f4 discovery through I2C bus. Whatever I2C interface I have tried, it did not work. Better to say, the MCU send address to the module and als...

Programming user option bytes

Posted on October 15, 2014 at 14:52 Hello, I would like to know if it is possible to change the value of the register FLASH_OPTCR by mapping a variable on it and to set the value in constant ? I think this is not possible because we need ...

fabien by Associate II
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