STM32 MCUs Embedded software

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UART dma rx continious communication

I use stm32h747 mcu  and ı want to working usart dma coninious communication. I configurated MPU and I tested basic shape, but when ı connect any devices like vn100 that time UART Over-Run interrupt occurred. my code is below. Please help me. I start...

Snm.1 by Associate III
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  • 2 replies
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STM32H723ZGT6 : ADC sampling rate setting

Hello,I am using model STM32H723ZGT6.There is a problem with sampling rate setting in ADC.When testing ADC3, I used the function generator to increase the speed by 1 hz, 10 hz, 100 hz, 1 khz and 10 times each, but it did not work above 100 hz.Accordi...

질문 1.png 질문 2.png
Insu by Associate
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  • 0 replies
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Resolved! Custom Bootloader?

I am planning to do a Over the air update for a tool.And I'm planning to use a stm32l431cc ultra low power MCU with one flash bank.So here we have an application which is some 100kb.I'm confused with lot of terms.OpenBootloaderIn application programm...

Vmere.1 by Senior
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  • 8 replies
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Resolved! What is the added value of x=x; in driver code (FSMC)

I am porting ILI9341 code from Keil to Cube MX.The original code contains:  void LCD_WR_REG(vu16 regval) { regval=regval; //ʹÓÃ-O2ÓÅ»¯µÄʱºò,±ØÐë²åÈëµÄÑÓʱ LCD->LCD_REG=regval;//дÈëҪдµÄ¼Ä´æÆ÷ÐòºÅ }  vu16 seems to be __IO uint16_t i.e. volati...

Johi by Senior III
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  • 3 replies
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Resolved! eh_frame, init and fini in a C build

I see these in the linker scripts, but I do not see them in the output for a C application.I know eh_frame is for C++ exceptions, and it is not strange it is not in the output of the C application. I also read it is used for some C functionality as w...

mete by Senior II
  • 1436 Views
  • 4 replies
  • 1 kudos

Unable to build with USBPD

Hello! I am trying to build a simple project on STM32G431KBTx featuring USB PD.I am using STM32CubeMX (latest version), all libraries, etc. are also of latest revisions. I've setup USB PD parameters via GUI, and generated code for Makefile.When I cal...

Renha by Associate
  • 1494 Views
  • 3 replies
  • 0 kudos