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emWin for 5 inch TFT

Posted on February 14, 2017 at 17:45HelloI bought a 5 inch tft and a matching STM32F03VCT6 board through AliExpress.The description says it has a ili9806G controller.The board has software preloaded, which shows some icons, e.g. SEGGER emWin.But the...

STM32L476 SAI2 MCLK generation

Posted on February 10, 2017 at 16:55Hi,I'm trying to communicate with http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1761.pdf via SAI, STM32L476 is master. I sucessfully connected to it via I2C, now I need to send data. I don...

kardwor1 by Associate II
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  • 2 replies
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Common-mode voltage on USB on STM32F103

Posted on February 13, 2017 at 23:50Hello,I hope someone can clarify this. How can the USB common mode range be less than 3 volts if  D  and D- pulled down with 15k, differential resistance is 90 ohms, and pullup is 1.5k to 3.3 volts?  Using simple ...

pgregson1 by Associate III
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2. I'm trying to send signals DSR and DCD through the structure and command endpoint, see example USBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef *pdev) { static uint8_t Buf[0xA]; Buf[0] = 0xA1; Buf[1] = 0x20; Buf[2] = 0; Buf[3] = 0; Buf

Posted on February 14, 2017 at 11:562. I'm trying to send signals DSR and DCD through the structure and command endpoint, see exampleUSBD_StatusTypeDef USBD_LL_SOF(USBD_HandleTypeDef  *pdev){  static uint8_t Buf[0xA];    Buf[0] = 0xA1;  Buf[1] = 0x2...

osxAcosticBF steps

Posted on February 14, 2017 at 10:52Hi ,i am very new for embedded system and right now i have work with stm32f401re OSxAcosticBF Application .which is-(osxAcousticBF software provides an implementation for a real-time adaptive beamforming algorithm...

why does enabling PFCTRL cause my DMA IRQ not to happen?

Posted on February 01, 2017 at 22:14I'm trying to implement a SPI slave on STMF410  using NSS_HARD_INPUTSlave should receive data of unknown length via DMASlave transmissions are of known length so master knows to keep  the SlaveSelect line active f...

cj blades by Associate II
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  • 3 replies
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STM32F429 Interface with OV5640

Posted on February 14, 2017 at 07:01Hi,I have interfaced OV5640 camera with STM32F429VI using DCMI and DMA. I am capturing JPEG image. The data of image storing in external SRAM using DMA. SRAM size is 512 x 16Bit.I can able to store image which has...

Use ADC with internal VREF (STM32L151)

Posted on February 13, 2017 at 12:31Hi,I am trying to use the ADC on STM32L151, the external pin VREF+ is 'not connected' in my design, instead I would like to use the VREFINT (internal reference voltage). The datasheet states: 'VREFINT is internall...

udilevy by Associate II
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  • 1 replies
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SDRAM AS4C4M16SA initialization failure with STM32F429

Posted on February 10, 2017 at 17:45Hi    ST communityI have a custom made board around an STM32F429IIT6 connected to an external SDRAM AS4C4M16SA, I followed initialization steps embedded in the STM32F429 Reference Manual http://www.st.com/content/...

stm32L1 FLASH_ProgramHalfPage error FLASH_ERROR_WRP

Posted on January 18, 2017 at 10:00Hi,I am having a problem with the function FLASH_ProgramHalfPage it returns the error FLASH_ERROR_WRP but if I check the option bytes of my memory they are in Level 0 so it is not protected. Also I can connect my d...