STM32 MCUs Products

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Forum Posts

delay function with timer interrupt

Posted on April 25, 2018 at 16:03 Hey Guys, I don't know what I am doing wrong here and really would appreciate some help: I created a function called void DELAY_1_5us(uint16_t period) { delay = true; __HAL_TIM_SET_AUTORELOAD(&htim7, per...

STM32 Internally Pulled up pin

Posted on April 30, 2018 at 12:57I am trying to digitally turn LED HIGH and LOW using STM32F103C8T6  maple mini board using pins A11, A12, B4 and A15 pin, But it seems that those pins are internally pulled up as soon as I power it on stm32 boards th...

SPI Slave Register Reset

Posted on April 16, 2018 at 18:37I have an issue with the SPI slave interface in the ST32ML151. Occasionally, the SPI slave get an extra clock from outside, either because noise or a reset at the master side. I know when this happens. Is there a way...

Firmware Over The Air upgrade issue

Posted on April 28, 2018 at 21:00I have developed a Firmware upgrade Over The Air (FOTA) mechanism for my custom F7 board that seems to work properly, but hard faults during the subsequent reboot process of the main application.Thanks to Clive1's su...

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Select ADC channel to convert

Posted on April 30, 2018 at 18:16 hi, I have a problem using an ADC of a STM32L4 In my project I have to sample 5 analogue channels with an ADC. I've configured everything with STM32CubeMX and want to use it in polling mode. I have seen examples ...

How to configure External clock in stm32f103 ????

Posted on April 30, 2018 at 10:38Hi,I'm using STM32F103 board, I connected 8Mhz Quartz crystal to pin PD0 and PD1 ( i.e. OSCIN and OSCOUT). But the oscillator is  not working, even I gave supply to Vbat pin.Is their any configuration required I soft...

FatFs - SDMMC - STM32H7

Posted on February 21, 2018 at 16:20Hi,I have the problem that many of us have as seen on the number of post on the forum. Unfortunatly for me nobody have the same issue as i have!Let s point out first what i'm trying to do.I'm on a small project of...