Questions tagged [stm32f7]

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

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FatFs - FIL Struct causes corrupted memory - STM32F7

STM32F7, GCC, FatFS The following code corrupts the retVal. (For example, the vector is created with only one object, but when you inspect it has an absurd amount) std::vector SDManager::Test() { std::vector retVal(1); FIL…
Matt H
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STM32 DMA transfer error both FIFO and transfer error flags set

I have an STM32F769I-EVAL configured to receive 8 bit parallel data based on code from ST's AN4666. What I expect to happen is: the clock from my input device triggers the input capture DMA and writes data to SDRAM until my OC timer interrupt…
anOkCoder
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Cortex M7 random system freezes disconnects debugger

i am developing a pretty complex software for the STM32F746NG. I am using a modded Discovery Board. ST-Link is removed and replaced by a Segger J-Link via JTAG. The Rocktech Display was replaced by a bigger one. And i am using gcc6.2 The system is…
user7335240
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Installing uclinux at STM32F746 board

I have STM32F746 board and I want to install uclinux at that. I've downloaded u-boot-stm32f746-discovery.bin and networking.uImage images from emcraft site. Now I've flashed u-boot with ST-Link utility. But I have no clue what to do with…
folibis
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STM32F746 CAN Initialisation timeout

Good day all I have been trying to migrate from a STM32F407 to a STM32F746. The issue I ran into was using the ST HAL library to initialise the CAN. The code was generated from MX Cube (4.16). Using a Nucleo-144 STM32F746, I could get past the…
Flip
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flashing STM32F745 with QStlink2 fails but works with stlink-gui

The toolset I am using (linux,eclipse,arm,gcc-arm-none-eabi) is working well for stm32f4xx when flashing with QStlink2. For a new project, which uses a stm32f745, I see this is somehow failing at the level of flashing the generated .bin file. The…
mvos
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stm32f429 USB CDC VCP detection

[guys i have installed the VCP driver and have loaded the code of USB_CDC in my stm32f429. but the VCP port is not visible in device manager. instead "unknown usb device,(device descriptor request failed)" is shown in device manager, as shown in…
Munir Ahmad
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STM32 HAL_Delay TIMER Microcontroller

What is the difference between HAL_Delay() function and an empty for-loop? Timer should create interrupt and switch off LED. If I use HAL_Delay() in interrupt function the result is that LED is off forever: void TIM6_DAC_IRQHandler() { …
G. S.
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Running a software from a flash STM32F779II

I would like to run my firmware from the flash address :0x08040000 so I partitioned the memory layout for the software as shown: ENTRY(Reset_Handler) /* Highest address of the user mode stack */ _estack = 0x20080000; /* end of RAM */ /*…
Ahmed Saleh
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trying to make sense of this #define

I am trying to adapt a 16bit audio recorder application for stm32fxxx to 24bit and I have stumbled across a #define that is confusing me. I have changed 16bit DMA to 32bit DMA along with some buffers uint16_t to uint32_t etc.. no idea why uint32_t…
Ben Biles
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Touch screen panel using LVDS interface

Hi i am thinking to connect a 14 inch or bigger lcd touch screen with my discovery boards. Currently i have stm32f4 and stm32f7 discovery boards. Currently i am aware of different methods to connect them. But i am most interested in LTDC. I have…
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