STM32 MCUs Products

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Forum Posts

Delay function using __WFI()

Posted on April 26, 2015 at 17:04Hello, I have seen and implemented timer based delay function either based on TIM or systick, and they rely on a variable being inc/dec by the ISR till it satisfies a certain condition inside the Delay loop which all...

aa_talaat by Associate II
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  • 1 replies
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STM32 USART IAP

Posted on April 19, 2015 at 06:59Hi, I'm trying AN2557 FW3.30 from ST's website. i run it and I fill it succesfully when download first application at 0x8003000-0x8004209. but for second time, the downloading is failed. then i go to check flash cont...

stm32f407 gui on pc via usb

Posted on April 25, 2015 at 16:49Hi, I have made a project and I want to control some parameter's values from my pc's screen using usb communication.. Is there any easy way to make a simple GUI and control these values?PS: I've never made a GUI befo...

zarkscon by Associate II
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Need help with RS232 receive & STMCubeMx

Posted on August 02, 2014 at 08:45Hi,I'm using RS232 on USART2 of STM32F407 with CubeMx 4.0. I have a protocol which starts with '[' and ends with ']'. I need everythin between 2 braces and I have variable record length. So its not possible to use H...

Osto by Senior
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  • 10 replies
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Flash page size for STM32F405?

Posted on April 25, 2015 at 03:55What is the page size for flash on the STM32F405 chip?  I can find the layout of the flash in RM0090 manual, but the page size is nowhere to be found.  Is there somewhere else I should be looking?  Surely it's docume...

TDK by Super User
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  • 2 replies
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Stm32f429 discovery only run at download and debug mode

Posted on April 19, 2015 at 23:45Hello, I'm using IAR and I configured stm32f429 discovery board by STCubeMX and its libraies. It seems to work fine when I run my code with Download and Debug mode. But when I exit debug mode the board stop running ...

Max heap size and allocating memory

Posted on April 24, 2015 at 19:12Hi!I have STM32F407VET6 MCU with 192kB RAM. I need allocate 150kB for storing image after processing data. However I can't allocate such big array. I though I should increase heap size, but I can't increase it more t...

wojdembi by Associate
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  • 3 replies
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UART receive interrupt

Posted on April 22, 2015 at 19:02I have a board using an STM32F105.  There is a GPS connected to UART4.  I've been trying to get the RXNE interrupt working for a couple of days now, but I must be missing something. The UART seems to be enabled, as I...