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CMSIS: DSP Lib - Frequency Bin Example

Posted on May 22, 2015 at 16:18Estimated colleagues, following I explain the strange behavior:     I am working the STM32F407 ARM processor,    compiling with the GNU Tools ARM (4_9-2014q4) ,    use the HAL provided by STM32CubeF4 v1.5.0,    using...

rs2 by • Associate II
  • 2125 Views
  • 4 replies
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Need help to execute program from SRAM

Posted on May 21, 2015 at 12:39Hi, I want to execute my code from SRAM of STM32F100. I basically want to copy a program from flash to SRAM and execute the program from SRAMPlease help me understand how this can be addressed.Regards Tejas #flash #...

tejas by • Associate II
  • 982 Views
  • 3 replies
  • 0 kudos

STM32L051C6 SPI DMA extra ghost byte

Posted on May 27, 2015 at 15:33Hi, I have discover there is one extra ghost byte is sent in SPI. I have monitor the memory area of DMA TX buffer, the data there is correct, but I will receive one extra byte in the beginning.Here is my code/* Buffers...

scc by • Associate
  • 446 Views
  • 0 replies
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Start-up time too long

Posted on May 27, 2015 at 09:51Hello there,I've noticed that the in my application the start-up time, i.e. the time from power-up to the first instruction in main() is about 7 to 8 ms. This seems very long to me.I'm using a STM32F103RC and the IAR c...

roman1 by • Associate III
  • 4807 Views
  • 8 replies
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Access ''MCU device ID code'' on STM32F103

Posted on May 27, 2015 at 03:29Hi, I'm writing a bootloader, and need to determine the device density and flash size. I can read the flash size OK, from memory address 0x1FFFF7E0 However I can't seem to read the ''MCU device ID code'' , which is des...

SPI clock looks to be floating when not driven

Posted on May 27, 2015 at 09:56 Hi, I'm using spi to read and write from an spi flash part, which is working the vast majority of the time. Occasionally I get an incorrect value. Looking at the signals on a logic analyzer the spi clock s...

stenasc by • Senior
  • 891 Views
  • 2 replies
  • 0 kudos

USART Loopback with STM32F107

Posted on May 20, 2015 at 11:35 Hi, I would make a loopback with my board STM3210C using USART2. I use the code /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https://my.st.com/public/STe2ecommunities/mcu/List...

loic by • Associate II
  • 2778 Views
  • 13 replies
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RCC_AHB1PeriphClockCmd could not be resolved

Posted on May 23, 2015 at 07:33 Hello again, Im decided to switch my first project stm32 from the HAL driver library to the SPL. I was able to get a blinky program working using the STCubeMX software and Kei1 with the HAL drives, but i wa...

yoma1993 by • Associate II
  • 2450 Views
  • 5 replies
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STM32 discovery board SPI receive

Posted on May 26, 2015 at 20:50Intro I am using the STM32 Discovery board to talk with sensor that receives and sends data packet on SPI1. I have unpopulated U5 on the discovery board so that it lets me use the SPI1 port. I can send the data packet ...

gmali9 by • Associate
  • 800 Views
  • 1 replies
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