STM32 MCUs Products

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Forum Posts

USB Host CDC: stuck at HOST_CLASS_REQUEST, please help!

Posted on April 16, 2018 at 19:26Hello everyone,I'm working on STM32F407-DISC board, trying to get USB Host CDC working. I'm using library version 2.2.0.I managed to get enumeration working by fixing HSE_VALUE to be 8M and PLL_M to be 8(thanks the i...

Pilot B by Associate II
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STM32F769-Disco with STemWin - Problem refreshing TFT

Posted on April 04, 2018 at 18:44Hello,I have a STM32F769-Disco, which I am using to study the STM32F7 peripherals for a project. I am now trying to test USB and Ethernet peripherals, writing some text do the display and here I found my problems. I ...

STM32L0 LCD snippets

Posted on April 16, 2018 at 18:57Hi,Are there any snippets available for use of the LCD driver on STM32L0 series?I cant see an example in the snippet package.Thanks in advance

leet1 by Associate II
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STM32H743 MDMA Linked List error

Posted on April 15, 2018 at 21:57Hi all,EDIT:Board: STM32H743ZI NucleoIDE: Attolic TrueSTUDIO for STM32 9.0.0HAL version: STM32Cube_FW_H7_V1.2.0I'm working with an STM32H743 Nucleo board and I'm trying to get a circular MDMA transfer going.  I have ...

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STM32 L4 VBAT internal battery charging

Posted on April 16, 2018 at 11:52I'm currently struggling with my Nucleo STM32L476RG board about VBAT battery charging feature.- I removed the SB45 on baord bridge to unbound the VBAT pin from the power supply- I wired a 100uF/4V tantalum capacitors...

STM32F446 RTC Accuracy

Posted on April 16, 2018 at 16:09Hi everyone,I have been trying to set 1ppm RTC clock for two days.I have read the datasheet and manual. They are recommended to use 2 timers and an external oscillator. Also, with using HAL_RTCEx_SetSmoothCalib funct...

STM32 RFFT wrong result

Posted on April 16, 2018 at 14:41Hello everyone I try to start the Fourier transform on stm32f303vc, but I get a strange result.I take the following steps:1.Since the result of the ADC is 12 bit, I move it 3 to the left to get the Q15 format.2. Sinc...