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Frequency count and Input Capture

Posted on October 21, 2013 at 16:22How can I count more then 50Mhz frequency with STM32F407 series. #prescaler #input-capture #sample #frequency-counter #frequency-counter #frequency-counter

smeric by • Associate II
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STM32F303 Flash size / Hardfault error

Posted on October 21, 2013 at 16:10Hello,I am using a : STM32F303RC (256k FLASK, 32k RAM, 8K CCRAM) gcc g++ tool chain with Eclipse. At compilation time, my firmware memory are as following:arm-none-eabi-size  --format=berkeley -t Muster.elf   text ...

stm32f4 interrupt pipeline hazard

Posted on October 21, 2013 at 10:26 Hello again, I have learned that this: void DMA2_Stream3_IRQHandler() { // Test if DMA Stream Transfer Complete interrupt if (DMA_GetITStatus(DMA2_Stream3, DMA_IT_TCIF3)) { DMA_ClearITPend...

mail2 by • Associate II
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  • 3 replies
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Frequency Capture

Posted on June 08, 2013 at 12:03I am using stm32f103rbt6 for frequency capturing. I am trying to use timer1 channel1 and channel2 to capture two different frequency say 1K and 500 hertz. Once 1k frequency rising edge is detected i am reading the CCM...

aru by • Associate II
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  • 3 replies
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DMA and ADC on the STM32F2xx

Posted on October 18, 2013 at 22:41Trying to stuff multiple channels of ADC3 into a DMA, but am unsure of how the DMA address gets incremented. Is this done automatically behind the scenes and I don't have to worry, or am I missing a setup?  I didn'...

how to check DMA ISR source within a channel

Posted on October 18, 2013 at 10:21Say on my device, in DMA ch1  i can have 3 periphs, plus possibly mem2mem. If I installed an isr how do I check from which periph (or mem) it came from, by reading  DMA_CPARx PA bits ?  #dma

denis by • Associate II
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  • 8 replies
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STM32F4 CAN data problem

Posted on July 09, 2013 at 08:49 Hi all, I am using the CAN interface on the STM3240G-EVAL for a CanOpen implementation. All works fine up until the point where I need to transfer data via CanOpen PDOs which are more than 6 bytes in le...

hermanv by • Associate II
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  • 9 replies
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Problem with DMA on USART1 on STM32F0xx

Posted on October 19, 2013 at 19:42 Hi, I cannot get DMA receiver on USART1 to working state. I'm attaching code and would be thankful for any help or advice. Are there anywhere some working examples with DMA? I must be missing somet...

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