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Forum Posts

FATFS name generator for txt file

Posted on November 13, 2012 at 21:20 Hello, i am working on project where i need to save array stored in stm32 to sdcard problem is i was able to make it work using project, but somehow i was unable to crate new file. Idea that i press b...

linas2 by Associate II
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WatchDog Implementation on STM32F0 Discovery

Posted on November 12, 2012 at 20:58The following is my watchdog code.  The watchdog is triggering and I am constantly find myself in the startup routine.  Why?  Here is my watchdog related code: //After Periph Clock set and before GPIO and NVIC set...

wbarkley by Associate II
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Interrupts priority

Posted on November 13, 2012 at 13:11Hi all Can higher priority interrupt interrupts lower priority in his execution? For example. When I am servicing DMA ISR routine with priority 0x01 and EXTI interruption with priority 0x00 if and only if happens....

DmA for dummies..?

Posted on November 13, 2012 at 18:46Hi. My name is Steve. I have some microcontroller experience with AVR, Stickos and Arduino and have recently bought an STM32F4 discovery kit as I am interested in its DAC , DSP and audio capabiiteies. I have some ...

sts0340 by Associate II
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STM32 DAC Monotonicity vs DNL

Posted on November 13, 2012 at 11:33I was planning on using an STM32F103RE in a design where the DACs would be part of a control loop, and will need to be used in 12 bit mode.  Unfortunately the DAC specifications in the datasheet show extremely bad...

floating point calcultations within interrupts

Posted on November 04, 2012 at 10:25Hello, I am experiencing some troubles recently with floating point calculation within interrupts. I have a dma interrupt running at 400 Khz in double buffer mode. I have an usart RX interrupt coming at 50 Hz. the...

longchair by Associate III
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