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STM32 Basic UART Usage

A few simple examples demonstrating some simple ways to use the UART peripherals on STM32F1 and STM32L4 chips.

  • echo: Re-transmitting characters over the TX line as they are received on the RX line.

  • printf: Implement the C standard library's printf function to "print" over UART.

  • receive_irq: Use interrupts to receive characters more reliably than occasionally polling for them.

  • ringbuffer: Use a circular buffer to store a string of characters until they are ready to be processed.

All of the examples include a Makefile, and rely on the arm-none-eabi GCC toolchain.

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A few simple example projects demonstrating how to use some core features of STM32 UART peripherals.

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