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Questions tagged [stm32f7]

ARM Cortex-M7 based 32 bit MCU family from ST-Microelectronics. Relative of the STM32F4 family.

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How to cross compile libbson for STM32-F767ZI ARM processor

Hello I'm trying to cross-compile libbson to include it as lib to STM32CubeIDE to use it on STM32 ARM-core processor, but after trying to specify toolchain with command: cmake -DENABLE_MONGOC=OFF…
s_sliwinski
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GPIO Output Register Bit value not updating

I just started learning about embedded systems and I'm having a bit of trouble with correctly setting up the led pin on my stm32f746ng-discovery board. I am not sure if I am not typecasting correctly or have the wrong address for the pin however, I…
Storm Rhoda
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STM32F767ZI dual ADC mode triggered by timer

I'am working on a current controller to control the current in two coils simultaneously. Therefor I want to measure two analog pins simultaneously and synchronised w.r.t. the PWM timer. For PWM, I use timer TIM2. PWM is running…
paul_schaefer
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STM32F407ZET6, Is it possible for Multiple streams of a DMA to run in Parallel?

Hi I am using STM32F407ZET6 Microcontroller and I want to use multiple streams of DMA1. Is it possible to trigger two different streams of the same DMA for transferring data to two different peripherals simulatenously. (Like in Parallel). In the…
Sheikh Muhammad Junaid Aslam
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Why is the ST-LINK connection lost when enabling the SysTick interrupt?

I am trying to use the SysTick on an STM32F767ZI. When trying this: #include "./headers/stm32f767xx.h" void init_sysTick(void) { SysTick->LOAD = 18749UL; // set the reload value, speed is 18.75MHz SysTick->VAL = 0UL; // set the starting…
Starman
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How to write in the SDRAM - STM32

I have a board including stm32f767 .The LTDC unit is set and the LCD works well.I want to define an array in the SDRAM. I defined it in the Address: 0XCF000000 that does not have overlap with the LCD frame buffer: u16 Buffertest[200]…
saeed karimi
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Lwip 1.4.1 stuck on endless while loop in tcp_fasttmr

Core: Cortex-M7 Microcontroller: stm32f765zi IP Stack: lwIP 1.4.1 I have a STM32F7 based embedded system with tcp server setup using LwIP which accepts 3 connections on the application layer. The server runs as expected for a few hours and randomly…
gmancity
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Why is the pin on a Nucleo 144 not outputting a high enough voltage, despite the output being set to HIGH?

I am trying to control a stepper motor, using a A4988 driver along with a Nucleo 144 board with an STM32F767ZI on it. The A4988 driver expects a single rise in voltage to HIGH in order to step the motor. Having made some voltage readings using a…
Starman
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PWM Signals not generating correctly on stm32 f767zit

I am working with an stm32 f767zit and I am trying to generate PWM signals to control servos, but they are not generating correctly. I followedd the tutorial from here Deep Blue Embedded and was able to generate the PWM signals just fine on an stm32…
Andrew Majors
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Accessing a class object from outside

I created a basic project on the TouchGFX Designer and wrote a function in my own cpp file using touchgfx library. I want that when the button is clicked ,the function is called to ScreenView.cpp or ScreenViewBase.cpp from my own cpp file and change…
ezgi
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How to flash the program using ATLINK/V2 UART communication

I am using ST-LINK/V2 RoHS module in this module we have 20 Pins. without SWCLK and SWDIO pin I need to program. [enter image description here][1] in this following pin diagram we have RX and TX can we flash the program using that. let me know
Devilal guguloth
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STM32F767ZI - STM32CubeIDE - SPI with Max31856

I am using STM32F767ZI nucleo board. I have configured SPI with 750kBits/sec. I have tested the hardware connections for max31856 and they are good. I ran a mBed code to test the Max31856 and it works well and sends the correct temperature. But I am…
Jayaram
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How to make the program wait for exact time duration in stm32f7?

I am using the STM32f7 Nucleo board for one of my projects. I need to make the program wait for the exact duration which is specified by the variable I am using. The waiting time is in terms of nanoseconds so I cannot use HAL_Delay() method. The…
Gaurav1234
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STM32F7 VMA and LMA with AXIM/ITCM flash

I'm writing some basic bare-metal C code for my stm32f767zi board (using Keil uVision IDE if that matters too) and I would like my vector table (and at some point all the .text stuff too) to have a LMA in flash via the AXIM bus and a VMA in flash…
Dartlead
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Bootloader access over CANBUS on Nucleo-F446RE

I am trying to flash code over CANBUS on Nucleo-F446. I am referring this application notes https://www.st.com/resource/en/application_note/cd00264321-can-protocol-used-in-the-stm32-bootloader-stmicroelectronics.pdf So according to it in Boot mode…
Schrodinger95
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