STM32 MCUs Products

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Forum Posts

Timer-Synch + IRQ-Jitter

Posted on October 09, 2015 at 11:33Hello I've a question regarding the timer synchronization on an STM32L4. I've setup TIM1 and TIM8 to run in synch triggered by TIM2. To test the code I simply toggle a pin inside the TIM1 and TIM8 update interrupts...

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Need help with USART on Nucleo STM32f411.

Posted on October 08, 2015 at 15:10I'm trying to set up communication between the USART2 on stm32f411xe nucleo and a PC using the STLink Virtual COM Port (COM3). I'm avoiding the ST HAL or Standard Peripheral Library as a beginner as far as possible...

sohail by Associate II
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Relationship between ICache and ART of STM32F7

Posted on October 07, 2015 at 03:42Hello experts, I am working with STM32F7 Discovery board and STM32CubeF7. I made a small benchmark test and had found a stange phenomenon. It is about the relationship between ICache and ART Accelerator. Regarding ...

dqi07234 by Associate II
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OV2640 camera CIF mode ??

Posted on October 09, 2015 at 22:56Hullo guys, Im using the OV2640 sensor to stream video and everything worked fine when it is in the default UXGA mode. My images are 320*240 pixels, so I wanted to move to the CIF mode for faster frame rate . The p...

FPU

Posted on October 08, 2015 at 21:05Hi.I am developing product, which should be small and fast as possible at the same time. Usually, I use parts which are in 48 pin QFPN or LQFP packages. Till now, I used F1 parts, but recently I went to F3. On F1 I...

matic by Associate III
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Clive1 Podcast @embedded.fm

Posted on September 12, 2015 at 20:40http://embedded.fm/episodes/113Podcast from our STM32  forum master (Clive1).  Good listening to all of our users and many thanks to the man.Cheers {STOne-32}

Including a pre-compiled image in a project

Posted on October 05, 2015 at 21:35Hi,I am interested in including a sort of fake secure bootloader in my application on the usart, which would purport to offer the option to download the firmware image, but which would actually serve up a fake imag...

estersci2 by Associate III
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STM32F030x DMA offset by 1 half-word (2 bytes)

Posted on October 09, 2015 at 05:21Hello, I find that DMA works correctly, but that an internal hardware counter (register) [IMHO] starts the DMA off by one word.  Link to example is below.  (i.e. first sample is placed into array[1], last sample is...

walworc by Associate II
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STM32F103 Update Flash Program from IAP

Posted on October 09, 2015 at 16:32I would like to be able to reprogram the Flash program on my STM32F103 chip via in-application programming. Essentially be able to upgrade the firmware without JTAG or bootloader jumper. I have the PM0075 Programmi...