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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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Does the stm32f769 board support c standard library?

I am currently trying to get familiar with stm32f769 board. I noticed that when I use malloc I get a build error. undefined reference to `_sbrk' I am not really familiar with micro-controller development, so am not sure if this error is because…
Karim Mohamed Hasebou
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STM32F767ZIT6 Nucleo openocd flash

STM32F767ZIT6 Nucleo board and trying to flash it with blinky code from templates have populated all the CMSIS and required drivers. Installed GNU MCU eclipse plugin. Built the code Configured openOCD When trying to debug the code its returns these…
Dinesh-Dev
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I2C Does not acknowledge Slave Address

I am Using STM32F767ZI MCU on Nucleo 144 board, C++ as programming language and IAR embedded workbench IDE. TXIS bit flag Status is never getting Set (1) even when the I2C is enabled and there is no data in TXDR register. What I have also noticed…
A 786
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stm32f746 flash read after write returns null

I am saving settings to the flash memory and reading them back again. 2 of the values always comes back empty. However, the data IS written to flash, since after a reset the values read are the new saved values and not empty. I started experiencing…
user5763204
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STM32F767ZI interface with DAC082S085

I plan to use STM32F767ZI USART port in synchronous mode and control DAC (DAC082S085) for generating two Analog Signals. I also want to control the amplitude of these analog signals. So, how can I do in CubeMx and Keil? Thank you
AE104
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using UART with STM32f746g-DISCO in MicroEj

I'm trying to use UART serial communication with MicroEj in STM32F7 using java, and I've got exception throw opening the Com Port. Here is the simple code to open a connection: private static final String CONNECTION_STRING =…
A. Beigi
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Can I use c++ with stm32f7?

I have been looking through the examples provided STM32Cube_FW_F7 downloaded St.com website. I noticed that all of them are using c, is there a way for me to use c++.
Karim Mohamed Hasebou
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sysTick frequency manipulation?

I need a high precision interrupt for my STM32F7. The task is to increase a counter at every tick. The frequency of the CPU is up to 216 MHz (from datasheet) which means an tick duration of around 5 ns can be achieved right? After some internet…
Kalkhouri
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STM32 SPI Receive DMA is getting garbage data

In my project, I am using Master SPI communication to get analog data from external ADC. My MCU is STM32F746ZGTX. My system needs to work real time so I used SPI DMA Receive and Transmit functions. I am reading all external ADC data correctly with…
dredg
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cant recall [HAL_TIM_IC_CaptureCallback] when getting PWM by stm32F746

I want to get DutyCycle of PWM use stm32F746G. I did the the code like the hal PWMINPUT sample. Now the program cant go into [HAL_TIM_IC_CaptureCallback] function. #include "main.h" #define max(a,b) ( ((a)>(b)) ? (a):(b) ) #define min(a,b) (…
云鹏赵
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RTX Keil and ADC_DMA, not entering GUI_thread

Hello I'm started programming a STM32F769I_Eval. I'm an absolutely beginner in programming a Cortex M4 and using a RTOS. I used the basic examples to get started. Now I want do use the ADC with DMA to show the current value at the LCD. I tried this…
Alex
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STM32F7 Timer triggers Timer

I generated some code with CubeMX. I want that timer 2 is triggering timer 3. If an overflow on Timer 2 occurs, Timer 3 should count up 1. I tried some configurations but nothing worked - no interrupt on timer3 when I set the output trigger (timer…
puzzled
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ARM Cortex-M4/7: Do regular memory accesses between LDREX/STREX invalidate the exclusive monitor

I am trying to rewrite a code section that currently works with disabling/enabling interrupts with LDREX/STREX on a STM32F7(single core, microcontroller). May sound like a straightforward question, but after a couple of days researching, did not…
Dan
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OpenOCD and stm32

My system: Windows 8, USB 3.0 ports. I want to debug my stm32f7-disco in ChibiStudio. After build I try to connect using OpenOCD and ST-Link, but get the following: Open On-Chip Debugger 0.10.0+dev-00161-g1725abc3c (2017-06-24-20:22) Licensed under…
Robert
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STM32F476G Disco, OpenOCD read version failed

I want to debug my programm and my debugger shows: Open On-Chip Debugger 0.10.0-dev-00278-ga53935e-dirty (2017-05-09-09:25) Licensed under GNU GPL v2 For bug reports, read http://openocd.org/doc/doxygen/bugs.html srst_only separate srst_nogate…
mat90
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