ARM Cortex-M7 based 32 bit MCU family from ST-Microelectronics. Relative of the STM32F4 family.
Questions tagged [stm32f7]
131 questions
0
votes
1 answer
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…
![](../../users/profiles/2402040.webp)
Matt H
- 138
- 1
- 9
0
votes
1 answer
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…
![](../../users/profiles/6054814.webp)
anOkCoder
- 333
- 4
- 11
0
votes
0 answers
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…
![](../../users/profiles/7335240.webp)
user7335240
- 26
- 1
- 2
0
votes
1 answer
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…
![](../../users/profiles/2981610.webp)
folibis
- 10,456
- 4
- 39
- 82
0
votes
1 answer
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…
![](../../users/profiles/4449225.webp)
Flip
- 706
- 6
- 11
0
votes
1 answer
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…
![](../../users/profiles/2025465.webp)
mvos
- 1
- 2
0
votes
1 answer
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…
![](../../users/profiles/5951329.webp)
Munir Ahmad
- 91
- 1
- 1
- 3
-1
votes
1 answer
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() {
…
![](../../users/profiles/11385803.webp)
G. S.
- 41
- 7
-1
votes
1 answer
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 */
/*…
![](../../users/profiles/375666.webp)
Ahmed Saleh
- 1,934
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- 65
-1
votes
2 answers
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…
![](../../users/profiles/11146624.webp)
Ben Biles
- 1
- 2
-1
votes
1 answer
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…
![](../../users/profiles/10733422.webp)
Mandeep Chaudhary
- 13
- 6