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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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Hard Fault when dynamic memory allocaion in stm32f7

I am trying to implement a system so that it retrieves sound and extracts the mfcc of it. I'd like to implement my own mfcc function because librosa library wasn't implemented in C and other implementations of mfcc extractions doesn't yield the same…
akoluaciklinux
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STM32 programing failed

I have troubles with programing board with stm32f723 made by me. I am attaching pictures of the programing pins connections. As I connect the st-link of the nucle-l152 board to my board error appears "The interface firmware FAILED to reset/halt the…
Ilia Hadzhiev
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USART Configuration with Registers doesn't Work

I am trying to implement a driver for USART for my board(F746G-Disco). For now, I implement: #include "UART_DRIVER.h" #include "stm32f746xx.h" #include "stm32f7xx_hal.h" #include "stdint.h" void uart_gpio_pin_init(void) { …
akoluaciklinux
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Program is Unable to exit from interrupt function

I am trying to retrieve sound from MEMS microphones of my board, STM32F746G-Discovery. I am trying to use BSP Library. My board has wm8994 audio codec, and its schematic is here. I wrote a code which appears below: /* Includes…
akoluaciklinux
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How to Use BSP Library in a Project?

I'd like to create a program by which I can record and listen sound by using my board, STM32F746G-Disco. I'd like to use BSP library, however, I have some questions. When I looked at the stm32746g_discovery_audio.c file, I saw that there are 2…
akoluaciklinux
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STM32 || Unable to initialise interrupts || Nucleo - F746ZG

I am new to the world of STM32 MCU's so please bear with me. I am following a tutorial on Udemy and trying to write a GPIO interrupt code from scratch. I have done all register configurations and config is working fine as seen through SFR view in…
fw_Lnkt
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STM32 CDC_Receive_FS callback never called

I am trying to use the USB Device library on STM32Cube but when I execute using the debugger or that I try to turn an LED on in CDC_Receive_FS, it never reaches that point. Here is how I set up everyting: My board is a NUCLEO-F746ZG I enabled…
Ardakaniz
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STM32F7, Bare Metal C, QSPI Indirect Mode Hangs or Writes Same Gibberish

Win 10, STM32CubeIDE 1.8.0 STM32F746 Discovery board MCU: STM32F746 (Datasheet, Reference Manual, Errata) Flash: MT25QL128ABA1EW9-0SIT (Datasheet) Equipment: Low end oscilloscope, low end logic analyzer with decoder What I'm trying to achieve: I…
Ilya
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How many Cortex-M7 CPU cycles can it take to initialize big structure with zeros?

I have big structure with few arrays. For simplicity let's consider structure like this: typedef struct { uint32_t data_count; uint8_t data[512]; uint32_t error_count; uint8_t errors[512]; } measurements_t; How many microcontroller…
Kamil
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MicroPython on STM32F746 controller

I have a PCB which contain an STM32F746 controller , I want to run micropython on that controller for that reason I have compiled the code of STM32F7 DISC board from that repository (https://github.com/micropython/micropython.git) and than I have…
baccouri firas
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is it possible to send big array over UDP?

i want to send large array (array[1600]) with stm32f767 and lan8720a with udp. when my array biger than 1319 byte the mcu can not send(i don't receive anything with my terminal software(UdpClientServer.exe) ) my array is full of 'A'…
reza_dehghan98
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STM32F767zIT6 to PC communication via a USB cable

I need to connect a custom board having STM32F767zIT6 as the MCU to a window PC through a USB. The aim of the board is to filter CAN-BUS messages. The existing solution uses a CANBUS-USB adapter through one of the CAN interfaces but I have been…
WIF
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Can run LTDC by circular buffer for easy graph drawing on STM32F7

In stm32f746G-Discovery, I want to draw moving graph like drawing ADC output on real time. Is it possible to make start address of LTDC buffer shifting in every single new ADC data to having graph drawing with minimum CPU intervention and memory…
mohammadsdtmnd
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Problems with TouchGFX, STM32F746G-discovery board and custom touchscreen

I encountered a problem while modifiying the STM32F746G-Discovery board. I modified it like this: instead of the 4.3" display, I soldered a 5" display (24 bit RGB--> RGB888, 800x480) to the STM32F7 discovery board modified the LTDC settings to…
Melissa123
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SCB_EnableDCache(); fails during run time in stm32

I am using NUCLEO-H755ZI-Q board, Which has two cores cortex m4 and cortex m7, To enable the lwip I have to enable CPU ICache and CPU DCache But during runtime the program exits through SCB_EnableDCache(); function. Kindly help me if had missed…
adharsh ramanathan
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