STM32 MCUs products

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NUCLEO-F103RB doesn't work.

I make the EWARM code using STM32CubeMX(ver 4.23.0)I select the NUCLEO-F103RB at the GUI of STM32CubeMX and save usingProject -> Generate codemenu. (I used default settings)I start EWARM(8.20.2) and add  HAL_GPIO_TogglePin( GPIOA, GPIO_PIN_5 ); HAL_D...

Himawari by Associate
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printf(), retarget and syscalls.c

I'm bringing up an STM32F103 part using a Makefile project generated by CubeMX. Previously I've always used the Keil IDE and during this switch I encountered some difficulty with retargetting printf. I implemented my fputc prototype as I usually woul...

Konami by Senior
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STM32F407G-DISC1 board with debugger v2.0 can be powered from "anywhere", but STM32F407G-DISC1 board with debugger v2.1 needs power from a PC. Why?

I have two STM32F407G-DISC1 boards with the same firmware, one has debugger version 2.0 and the other has debugger version 2.1. The version 2.0 board always works perfectly, it doesn't matter if I plug the USB-cable into a mobile phone charger, batte...

Why is RTC not preserved on purpose now?

Hello there,In the L4 libs version 1.12.0 one can notice the following change in generated by CubeMX rtc.c file:Why is the ability to preserve RTC after reset removed by default? This is a 180 degrees change, without informing the user. Is this inten...


Missing USB CDC NUCLEO-F746ZG Cube Sample

Hello all.I'm trying to find a CDC same for the NUCLEO-F746ZG board but the latest cube I've downloaded (STM32Cube_FW_F7_V1.12.0) only contains the following:DFU_StandaloneHID_StandaloneMSC_StandaloneCould somebody please point me where I could find ...

Nucleo-H743ZI board and printf / SWO not working

After implementing this video: we expected the printf output to work but for some reason, there is no output.I checked the SB10 link and it is connected under the board with a 0 ohm resistor.Any ideas or he...

FDixo by Associate III
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WKUP/PA0 as GPIO until suspend

Hey everyone, I've been playing around with my NUCLEO-F429ZI and love it. I have a quick question though which isn't really clear in the datasheet. Is it possible to configure the WKUP as a normal GPIO input when the device is awake, and then only co...