STM32 MCUs Products

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Forum Posts

STM32F427 Missed Interrupt

Posted on September 25, 2014 at 02:35 Greetings, I'm using an STM32F427VI MCU to generate a 1 Hz pulse (50% duty cycle) with its RTC controller. For the most part, it seems like it works just fine, however during testing, the code will oc...

Usage of CCM Data RAM in KEIL

Posted on September 25, 2014 at 08:05Hi, Currently using STM32F427 for my project and using KEIL as the environment. So my project build contains boot rom, applications and fonts for displaying. The available usage RAM in the controller is 192 KB an...

umamahesh by Associate II
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  • 4 replies
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F429 + SDRAM PCB Design

Posted on September 27, 2014 at 19:57Hello, i am currently working on my first PCB with a STM32. The F429 and the SDRAM have LQFP/TSOP packages. Unfortunately the FMC Pins needed for SDRAM are distributed over all sides of the LQFP. I have looked on...

sk-st by Associate III
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  • 2 replies
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accurate delay_ms function for the STM32F0 processor

Posted on September 28, 2014 at 10:38Hi I was doing a small project using the STM32F0 processor and IAR Embedded Workbench toolset. There I was trying to customize the example source code available in the IAR examples section. The path is to that e...

piyush2 by Associate II
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  • 1 replies
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Adc issue stm32f3

Posted on September 26, 2014 at 21:29 Hello, i am using the adc from stm32f3 discovery board.I read the documentation and had a look at the example and came out with this code which doesn t work. Any helpfull suggestions please? #inclu...

d4ng3r09 by Associate II
  • 446 Views
  • 2 replies
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Unusual GPIO Initialization

Posted on September 26, 2014 at 23:02I'm maintaining some software for a STM32F103 and came across the following GPIO initialization code.    /* Configure PA5 as push-pull output for LED */     GPIO_WriteBit( GPIOA, GPIO_Pin_5, Bit_SET );     GPIO_I...

amoore by Associate II
  • 554 Views
  • 2 replies
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STM32F429 Input pulse capture w/ compare?

Posted on September 26, 2014 at 14:47Greetings. I am trying to determine the best methodology to capture an input pulse train (from a motor encoder), compare the input count to a set point, and generate an event when the input count reaches the setp...

cphelan by Associate II
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  • 4 replies
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Bug report Cube+FreeRTOS

Posted on September 07, 2014 at 15:43There is a bug in STM32Cube (newest version). When I use FreeRTOS then the eTaskGetState() is not available. In FreeRTOS.h which is generated by Cube, the variable INCLUDE_eTaskGetState is set to 0 which means do...

Osto by Senior
  • 799 Views
  • 4 replies
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Free RTOS - Build Error with FPU

Posted on September 26, 2014 at 14:30Hey guys, I just got my Keil MDK license and using the STM32CubeF4, tried creating a shell project with FreeRTOS selected. Looked good until I tried to build when I see the following error:error:  #35: #error dir...

bdesantis by Associate II
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  • 3 replies
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