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Standarddeviation using DSPLib returns 0

Posted on August 19, 2015 at 15:02Hi,I have encountered the following problem on the STM32F4 using the CMSIS DSP Library V1.4.2:When calculating the standard deviation using arm_std_f32() of the following values </colgroup> 7111.15283 7111.3867...

USART DMA transmission

Posted on August 20, 2015 at 11:49Hello,i'm using the HAL library and CubeMx. The chip is a STM32F334C8.I want to send datas on USART1 with DMA control. The datas are well sent but when i go to the DMA complete transfer interrupt, i wait in the inte...

STM32F0 Nucleo(F070RB) board bootloader

Posted on August 19, 2015 at 13:09Hi, I am trying to connect to the bootloader on nucleo -F070Rb board. I tried the Flash loader Demonstrator, but I get ''No response from the target...''. I tried to send the start comman byte (0x7F) using realterm ...

seed by Associate III
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Reconfiguring a Timer within its interrupt handler

Posted on August 18, 2015 at 20:59 On an STM32F4 Discovery (STM32F407) I'm trying to set up a timer and then reconfigure it within its own interrupt handler. The idea is that I should be able to repeatedly trigger tasks from the ISR in an...

quad_spi interface in F7 microcontrollers

Posted on August 20, 2015 at 09:14Hello. I'd like to know what microcontrollers has qspi interface? Whole STM32F7 series? The document DS10916 says that ''All STM32F75xx devices embed a Quad SPI memory interface, ...''(2.9.Chapter) but there is  no ...

Resetting a GPIO PIN INPUT

Posted on August 18, 2015 at 18:01Hello guys, I am using pin PC7 set has input on a http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1847/PF260320 and use IAR with . __HAL_RCC_GPIOC_CLK_ENABLE(); GPIO_InitStruct_C.Pin = GPIO_PIN_7; GPIO_In...

Protect my code STM32

Posted on August 19, 2015 at 15:16I am using STM32f407 and STM32f302 for a project and Finished, now I need to protect the code so no one can upload the hex from my controller ?? can anyone direct me where to look ? #read #flash #stm32f

kareemkna by Associate II
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