STM32 MCUs Products

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CubeMX initialize MAC adress from external memory

Hi,what is the correct way to initialize the MAC address read from an external memory by using LwIP? /* Initialize all configured peripherals */..=> need MAC address here do correct initalization... MX_LWIP_Init();...=> MAC address can be read here f...

Hal delay stuck in infinite loop Systick

Hello,I am a newbie and I have started trying to learn how to program the MCU STM32F746ZG. I have created a simple code following a learning book that uses the STM32CubeMX software. The code is a simple "Hello World" that causes LED2 to flash every 5...

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Nacluk by Associate
  • 778 Views
  • 1 replies
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Nucleo-L152RE + IDB05A1: Force the board in a low power mode and wake up as soon as a device wants to connect with the IDB05A1 (BLE)

Hello, One specification of my system is the long live of my peripheral (Nucleo-L152RE+ IDB05A1). The most time, my peripheral is in advertising mode. I know that as soon as IDB05A1 advertising I can put µc in standby, the IDB05A1 will work autonomou...

by Not applicable
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Resolved! HardFault on unaligned access, after enabling MPU

HiI want to start using the MPU on STM32F7, however when I enable the MPU then unaligned accesses lead to a HardFault immediately.Code to reproduce the HardFault:static unsigned short foo[5] = { 0 }; memcpy(&foo[1], &foo[3], 4);I wrote a minimal Hard...

patrislav by Associate II
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  • 8 replies
  • 1 kudos

STM32F767 USB HOST printer class

Hi, I'm trying to add the Printer class to a project with a USB host port.Is there any code available?The project was created with CUBE-MX and uses FreeRTOS.

GGatt by Associate II
  • 429 Views
  • 1 replies
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How to return to RUN mode from STOP2 mode ?

Hello there,I am working on STM32L432KB's Power saving modes and currently testing STOP2 Mode.After reading reference manual I made the code below to Enter and Exit from STOP2 Mode.My Goal is to enter Stop2 mode when a button is pressed and get back ...