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Questions tagged [stm32f7]

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

131 questions
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Producing two outputs from a Linker script

There is a Quad-SPI NOR device on the STM32F746G-Discovery Board that I would like to use to store read only data. So the ideal would be that the linker file produces an ELF file for the F746G flash and a hex file to program the NOR. Then I could…
SuperSix
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STM32F7 DCMI with saving video in the sd card

Am working on stm32F769 DCMI with SDMMC. I want to store DCMI captured images to SDMMC File continuously. Want to store as video format as well. when Each DCMI fame interrupt there is a frame generated with 600kb size and configured frame as…
Meimurugan Krishnan
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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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Determine the padding to save the firmware SHA256 using STM32F746GDISCOVERY to verify integrity

I am trying to implement a firmware integrity check using the Cryptographic Library (X-CUBE-CRYPTOLIB) for this I have to calculate the SHA256 checksum and then determine the padding and include it in the binary that I will upload to the board. I've…
desarrollo1
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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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problem of QSPI as flash memory and FMC as data memory

i want to make a project using QSPI external flash memory to run a code, and FMC SDRAM as data memory... how to do that? i have try FMC SDRAM as Data Memory example project from STM32F746-Disco FW package and debug it using external loader and…
Laksono Budi Prianggodo
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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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STM32F767ZI nucleo board not connecting with USB

I am new to using the STM32 nucleo board. I have bought an STM32F767ZI nucleo board. I installed the STM-link utility V4.6 version and stm-link009 drivers. When I connect the micro-USB port of nucleo to my computer, its not getting detected. The COM…
Jayaram
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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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