STM32 MCUs Products

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Unable to download CubeMX

Posted on June 07, 2016 at 10:44No download link for CubeMX on this page http://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-configurators-and-code-generators/stm32cubemx.h...

vromanov by Associate II
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STM32F042C6 SPI2 RXNE clears before reading DR

Posted on June 24, 2016 at 09:04 Good day! I have simple SPI read func: bool SPIRead(byte reg, byte &result) { ushort timeoff=0x100; volatile short temp; temp=SPI2->DR;// To clear DR temp=SPI2->DR; temp=SPI2->DR; CS_EN;// i st...

STM32F4 DMA and Timer Duty cycles

Posted on June 24, 2016 at 05:03I am working on a personal project and keep running into a problem. The I am trying to use the DMA in an STM32F4 to control a strip of LEDs that rely on the duty cycle of an output signal.I want to update the duty cyc...

Encoder Interface STM32F0 Discovery

Posted on July 26, 2013 at 05:16I have a motor with a quadrature encoder and I want to get the relative (absolute after counting from home position) position. I tried getting the encoder count using an interrupt from one channel of the encoder and c...

STM32CubeMX USB_FS_CDC for STM32F407IG

Posted on June 04, 2016 at 05:32Hi everybody,I got a problem to implement USB CDC to STM32F407IG. Although looking into all the post here, still not solve my problem.I am using self-made board with  STM32F407IGT6, The sch is simply connect as MCU US...

Timers with F4 DISCO

Posted on June 23, 2016 at 21:54I want to measure how long a signal is high as accurately as possible (preferably down to the microsecond). I started by triggering an EXTI interrupt one both the rising and falling edge of the signal. The EXTI handle...

I2C start condition not working

Posted on June 23, 2016 at 20:11 I am working on getting familiar with the STM32F411 using ST evaluation board STM32F411E-DISCOVERY. I have written the following code using Eclipse + Ac6 STM32 + gcc (arm-none-eabi5.3 2016q1) I am a...

How to implement HAL_CAN_RxCpltCallback()

Posted on June 23, 2016 at 17:03I am a little confused with this call back function HAL_CAN_RxCpltCallback().  The end users are supposed to implement this function but there is already one in the file: stm32f0xx_hal_can.c.  STM recommends do not mo...

Vu.Andy by Associate III
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Help me about custom board based-on STM32F746G-DISCO.

Posted on June 22, 2016 at 14:40Hi all,I have a custom board based-on stm32F746G-DISCOVERY. I connect my board to ST-LinkV2 over SWD. I can dectect stm32f7 chip, but I can't flash it to 0x08000000 address. ST-Link Utility report :19:22:39 : ST-LINK ...