STM32 MCUs Embedded software

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STM32CUBE V4.21.0 LWIP Bug

Posted on July 04, 2017 at 08:14Hello everybody,i have found a bug in STM32Cube V4.21.0.I use the STM32F429BITxWhen i select the following settings the generated code have some RTOS functions. Please fix it.void MX_LWIP_Init(void){ /* IP addresses i...

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mfrank9 by Associate III
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STM32L0 - USB Configuration

Posted on July 04, 2017 at 17:44Hi,I am writing a firmware for a USB device that uses the STM32L052K8 microcontroller.Because my device must exhibit two USB interfaces, I have implemented a custom Composite Device class that acts like as broker: it ...

I2C and CAN-Bus conflict, Gyro freezes

Posted on July 04, 2016 at 15:52Hi,I'm using MPU-6050 (3-axis gyro and 3-axis accelerometer) and CAN-Bus on a STM32F105 chip.I'm pulling data from gyro every 100ms, it works fine until I enable Receive Interrupt of CAN1 (In which is connected to car...

Firmware upgrade using SPI - STM32F7

Posted on June 26, 2017 at 17:25Hi everyone,I am trying to understand how the firmware upgrading works in the STM32F7 using a STM32F769I Discovery board. I would need to use the UART or SPI peripheral to upgrade.Does anyone know where to find exampl...

How to wake up the Uc through a USB plug interrupt?

Posted on June 30, 2017 at 08:54Hi,I am using the SMT32L476RG and my issue is relative to wake up the Uc from sleep mode through a USB plug interrupt.I am currently used the USB_Device_Library from ST (v1.0_Cube)Once I called MX_USB_DEVICE_DeInit();...

Omnia . by Associate II
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Damaged? 2.5V at PA4 in Reset state (STM32F446VET)

Posted on June 29, 2017 at 11:58Hi,Im trying to optimize LowPower current consumption of a custom board my hardware guys have made arround a 100pin LQFP STM32F446VET. Currently I fight to find the source of a faulty voltage at GPIO PA4 (Pin 29 with ...

Miro Mico by Associate II
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Resolved! STM32F407IGT6 standard peripheral library PDF

Posted on June 27, 2017 at 05:41Hi,I am new to STM32 and want to learn STM32F4 but I could not find the standard peripheral library manual online.  I would like to see some explanations of the library functions and some examples.  Any help?  Thanks ...

j Q33 by Associate II
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USB HID lost packets

Posted on June 28, 2017 at 22:47My STM32F427 project implements HID (FS device endpoint 1) USB communication and is developed with ST USB library v.2.2.0.It works fine, but during some periods (when continuous IN and OUT streams take place), some pa...