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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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...

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Insu by Associate
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ST tcp echo client for sending larger data blocks

TCP echo client application running on my STM board and server is run on Linux PC , so here how can I enable the IP fragmentation and reassembly feature in order to transmit/recieve larger chunk of data from my application program to tcp_send/receive...

sabari1 by Associate III
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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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