STM32 MCUs Products

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Forum Posts

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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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
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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
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  • 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
  • 750 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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Programming independent regions in the flash

Posted on September 26, 2014 at 15:04 I'm currently using emIDE (GNU ARM) with Segger J-Link on the discovery board STM32F407VG (1 MB flash). To be able to store configuration data in sector 1 in the flash I have modified the linker scrip...

Timer Synchronization

Posted on September 23, 2014 at 21:18 I'm trying to take advantage of the ability to synchronize two timers in a master/slave config. In my case, I'm using one timer as a PWM output, and would like to have a second timer track the first as close...

jvavra by Associate III
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