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Resolved! STM32H755 Difference between M4 and M7

MPU:STM32H755XI6Connection with PC:USART1RTOS:ZephyrIn order to install Zephyr into STM32H755XIH6, if you build and burn images for M4 and M7, the M4 side will start but the M7 side will not.The content is LED flashing of PG10 (A9pin). Are there any ...

TDP_0000 by Associate II
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  • 2 replies
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STM32L011 USART2 and DMA (Continued)

Previous post: https://community.st.com/t5/stm32-mcus-embedded-software/dma-on-stm32l011f4/td-p/742092   I am working with code on the STM32L011 that uses DMA to read data from USART2.  I received excellent help on this forum before and I'm hoping fo...

Resolved! No Printf output on UART before \n

Good morning, I am trying to print a string on STM32F401RBT6 using vs code and Cmake, but I keep getting an issue, when I use '\n' the UART doesn't print nothing beyond the '\n', can somebody help me with this issue, please? printf("Hello\n World");

Gui_STM by Associate II
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  • 6 replies
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STM32G071G I2C bootloader

We used I2C bootloader for STM32G071GBU6N (UFQFPN28)  more than 3 years. We bought a new batch of controllers STM32G071GBU6N. Bootloader does not start. I tried to debug bootloader and if I stop program then old chip sets at the address 0x1FFF2128 bu...

Igor80 by Associate II
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  • 5 replies
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ADC Multichannel Issue

I am using STM32F423RHT6 in my project. I am using 2 ADC Channels for measuring Voltage and Current(through Current Sensor). But I am facing a strange issue. Where the channel corresponding to the current is getting accurate values of analog voltage....

Screenshot 2024-11-22 192234.png

Resolved! Strange issue with timer pwm in dma mode

Hello,I'm facing a very strange issue with timer PWM in DMA mode.I use the PWM channel to send step pulses to a stepping motor in order to free the mcu while the motor is moving, rather than using time consuming delays.The issue raises when I change ...

zeboss49 by Associate III
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  • 4 replies
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Resolved! How to use RAM_D2 and RAM_D3 in STM32H743

Hi,My RAM_D1 is almost full, mainly because of LTDC frame buffer, etc., I need to use RAM_D2 and RAM_D3 for my variables, arrays and other staff. I am using RTOS CMSIS v2.There are a few posts about using RAM_D2 and RAM_D3 in H743, in the forum, but ...

NGune.1 by Associate III
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  • 2 replies
  • 1 kudos