need help with transmiting data from UART based on DMA on stm32f407

[Ron Zaretsky]

hey,

i am new to stm, recently i was asked to transmit data from uart based on dma instead of using interrupts that uses the cpu resources.

are there examples or instruction of how to do it? i am searching for 2 days and cant find somthing usefull.

[Foued_KH · Accepted solution]

Hello @Ron Zaretsky​ ,

I suggest you the available examples in the cubeFW : STM32Cube_FW_F4_V1.27.1\Projects\STM32F4-Discovery\Examples\UART

I recommend you also this article : Getting started with UART - stm32mcu

Hope I helped you!

Foued

[Ron Zaretsky]

Excuse my ignorance, but what's cubeFW? 😅

cant find it on google

[Foued_KH]

STM32CubeF4 - STM32Cube MCU Package for STM32F4 series (HAL, Low-Layer APIs and CMSIS, USB, TCP/IP, File system, RTOS, Graphic - and examples running on ST boards) - STMicroelectronics

Git : GitHub - STMicroelectronics/STM32CubeF4: STM32Cube MCU Full Package for the STM32F4 series - (HAL + LL Drivers, CMSIS Core, CMSIS Device, MW libraries plus a set of Projects running on all boards provided by ST (Nucleo, Evaluation and Discovery Kits))

Foued

[Ron Zaretsky]

thank you!

[Foued_KH]

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