STM32 MCUs Products

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STM32F107 SD CARD BOOTLOADER

Posted on August 24, 2015 at 15:41Good morning! I was trying to develop a bootloader from sd card, writing two programs in the flash pages first is my own bootloader that verify if is there any .bin files for update the other flash region where my o...

giovani by Associate II
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  • 8 replies
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I2C Slave Transmitter Can't Transmit Last Byte Correctly

Posted on February 16, 2016 at 15:16Hello, I have been trying to get I2C in STM32F4Discovery Board to work properly but it is proven difficult. The STM32F4Discovery is acting as a slave receiver/ transmitter and STM32F103 Board acting as Master Rece...

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HAL_ADC_ConvCpltCallback called twice

Posted on December 02, 2015 at 16:00 Hi, I have an issue with the ADC configuration below. ADC is triggered once (pulse = 5000, period 21000) by TIM3, but for some reason HAL_ADC_ConvCpltCallback is called twice. TIM3 /*TIM3 in...

paul2 by Senior
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USB Library - shitty code.

Posted on January 23, 2016 at 19:05 * @file stm32f3xx_hal_pcd_ex.c * @author MCD Application Team * @version V1.2.0 * @date 13-November-2015 /** * @brief Copy a buffer from user memory area to packet memory area (PMA) * @p...

elijah by Associate II
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  • 5 replies
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Problems with USB Serial and NUCLEO-F401RE on OSX

Posted on February 10, 2016 at 23:09I have a Nucelo-F401RE board and have updated to the latest firmware on the stlink portion of the board (V2J26M15). I have some code running on the 401 (MicroPython) which has a REPL on UART2 (which connects throu...

dhylands by Associate
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  • 2 replies
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Interrupt vs Event

Posted on February 15, 2016 at 18:16The STM32L standard peripheral library for the structure EXTI_InitTypeDef in the field EXTI_Mode has two possibilities: EXTI_Mode_Interrupt and EXTI_Mode_Event.What is the differences and in what case is better on...

STM32f10x Clear IT Pending Bit manually

Posted on February 13, 2016 at 20:03Hi,I recently faced this issue where my interrupt handler for RTC was firing continuously instead of once every second as I thought.Looking at the STM32 RTC example, I noticed that within the IRQ handler they were...