STM32 MCUs Embedded software

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USB Device DMA memory corruption

Posted on February 21, 2017 at 12:11Hi,I am using an STM32F7556NG microcontroller, connecting it to a host PC via USB, with the STM32 acting as a virtual COM port.I have enabled DMA, an I have noticed very strange behaviour. By supplying a address 0...

FreeRTOS STM32 tick

Posted on February 20, 2017 at 12:26Hi, I'm trying to use FreeRTOS with a STM32F401RE Nucleo64 board. I have all the project files in place and the project compiles fine. But I'm trying to use the HAL_Delay() routine from the Cube HAL but I'm runnin...

USART - reading 1 byte at a time

Posted on February 19, 2017 at 13:39Hi,I need to parse incoming data from UART, with unknown length.The packet length is sent within the packet, so I need to parse the packet as it arrives.So - I need to read 1 byte at a time, and parse the packet w...

Custom Bootloader STM32L151x

Posted on February 17, 2017 at 17:17Hi community,I would like to know if it's possible to create my own bootloader for STM32L151x.Where I could find info about it? Some code? Built-in code..?Thanks in advance.Regards#bootloader #stm32l151 #custom

Stm32F407VG USB Problem

Posted on February 18, 2017 at 09:17Hi,I am using STM32F407VG chip in my own PCB. I design MCU part of the PCB according to DISCOVERY board since it has the same controller. The board seems to work just fine. I tried ADC, DAC, SPI, USART, and simple...

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I2C not working with usb

Posted on February 19, 2017 at 19:59Hello EveryoneI have a odd problem. I am using USB device to store data and reading data on same MCU(Slave) from other MCU(Master) on i2c but after after 2 or 3 transfer of data i2c stops working on slave mcu.What...

How to Debug FreeRTOS?

Posted on February 16, 2017 at 21:38I remodeled DemonstrationProgram of ST32Cube into STM32F746G-Discovery and was able to play the MP3 in audioplayer.My MP3Program may sometimes do Stall in Error.Will there be the good method to perform of Debug in...