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Why __HAL_TIM_CLEAR_IT at start of interrupt?

Posted on October 15, 2017 at 01:10HelloWhy does the HAL library call '__HAL_TIM_CLEAR_IT' before calling the 'HAL_TIM_PeriodElapsedCallback' callback, instead of after?I previously had a bit of code running before the 'HAL_TIM_IRQHandler(...)' in s...

Could you explain about 'Timeout' argument?

Posted on October 14, 2017 at 08:12Hello, I'm high school student(not good at English...), very interested in STM32 board. I'm studying about SPI using STMCubeMX, and I know there is HAL_SPI_Transmit function.But I couldn't understand about 'Timeout...

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How does Timer implement to the EXTI ?

Posted on October 13, 2017 at 17:46Hi,Currently, I'm trying to implement the Timer to the EXTI.Especially, I'd like to watch the toggle input signal by EXTI in limited time.and I want to make a ACK signal like the following imageIf I set the count 3...

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Resolved! DMA_InitTypeDef explanation

Posted on October 13, 2017 at 18:02Can someone explain me how to use the 'PeriphInc' in the DMA_InitTypeDef.I understood that it can read several address (is that right ?), but where I write the start and end adress ?

Timer Interrupt type documentation

Posted on October 13, 2017 at 18:00Greetings , I'm currently looking to implement a timer in input capture mode and trying to understand the workings of the timer in this mode , does anyone know where I can find an explanation for theTimer Break int...

Values of the bits VOS[1:0] for ranges 1,2 and 3

Posted on October 10, 2017 at 16:02Hello,I use the STM32L152RE device with STM32Cube_FW_L1_V1.8.0Please,  can you verify if there is problem in defining the values of the bits  VOS[1:0], which are defined in the manual of STM32L100xx, STM32L151xx,  ...

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Efficient way to fade a LED

Posted on October 12, 2017 at 09:36 Hi there, I'm trying to Fade (In and Out) a LED with TIM5. This is my configuration (Just a recap of the configuration): 1) Configure TIM5 in order to generate a signal with 100 Hz as period with no pulse. ...

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get address of every register(?)

Posted on October 10, 2017 at 09:46hi.i want to get address of every register on stm32 , and set value to register but i dont  know what is address of register so how can i get the address of register?for example if i want to get address of  RCC_CFG...