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Forum Posts

Problem with arm_rfft_q15 in STM32F407

Posted on February 06, 2014 at 08:41Hi, I have a problem in using arm_rfft_q15. When I use this instruction in my application, some of buffers in my application were changed. I defined all other variables globally. In my application, I want to perfo...

ali by Associate II
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  • 5 replies
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STM32F0 GPIOx_ODR vs GPIOx_BSRR

Posted on February 08, 2014 at 13:09Apart from the register structure what is the difference between GPIOx_ODR and GPIOx_BSRR? Is GPIOx_BSRR an abstraction layer for GPIOx_ODR? I know that a change in GPIOx_BSRR ''will'' change the GPIOx_ODR but how...

unrealex by Associate
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  • 2 replies
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Low-power management reset

Posted on February 07, 2014 at 16:45Dear All, I would need help to understand one feature of the STM32F10x or STM32F2xx: I do not understand the purpose of the ''reset that can be generated when entering the Standy or Stop mode'': What is the reason...

tlamotte9 by Associate II
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  • 2 replies
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IWDG STM32F303

Posted on February 07, 2014 at 21:54 I didn't see a formal way to log bugs against the standard peripheral library, so I figured I would at least submit a note here. The header file (stm32f30x_iwdg.h) for the IWDG in the standard peripheral libr...

jared by Associate
  • 516 Views
  • 0 replies
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Strange STM32L152CBT6 Hard Fault issues

Posted on January 21, 2014 at 22:43Hi all, I''ve spent three strange nights of trying to find solution for the following issue.No success yet.I'll be very glad for any advice how to solve it.I've designed a board with STM32L152CBT6 (48pins)Low power...

dadman by Associate II
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  • 31 replies
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ADC_GetConversionValue(ADC) == 0 ??

Posted on February 06, 2014 at 21:35 Hi I'm getting sometimes 0 from my ADC conversation but this can't be possible. Pls correct me pls if I say something wrong. I'm working with the STM3210E-Eval board it has an STM32F103GT proc...

samed by Associate II
  • 931 Views
  • 3 replies
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Best way to reload a running timer

Posted on February 05, 2014 at 20:31 How do I reload a running downcounting timer? Like this: TIM_UpdateDisableConfig(TIM2, DISABLE); TIM_SetCounter(TIM2, period); TIM_UpdateDisableConfig(TIM2, ENABLE); ?? /Frank

Warm reset

Posted on February 06, 2014 at 10:25Dear all, I have been reading manuals on the STM32F1xx and STMF2xx since a while and I have spent hours evaluating this microcontroller. There is one information I am still looking for and never seen, maybe someo...

tlamotte9 by Associate II
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  • 3 replies
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Clock for AD7705BRZ from Microcontroller (STM32F100C4)

Posted on February 07, 2014 at 11:14Hello!I have some difficulties with my circuit developing. I don't have any crystall resonantor on my PCB but AD7705 need to be clocked externally. I've decided to use clock output from microcontroller (STM32F100)...

I2c Address Problem

Posted on February 06, 2014 at 18:30Dear Clivei want to communicate two Board  through is I2c1. sTm32f103zg  MB6722. Stm32f103Rb Discovery boardfor this i Need address Of both the Devices ,can you support me in matter how to found the Address of a d...