Andrei is back from his Christmas hiatus and brings us a post introducing getting input from a UART.
Previously he had covered output using printf, a helper function called _write, and the HAL routine to send data out of the UART. This time we use the other half of the UART, a different HAL routine, _read, and getchar.
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What good is a UART? Why is it the second thing I get set up? (The first being the ubiquitous blinking light.)
Read MoreThis week Andrei explains how to get a UART working using Cube. How to get printf working. And introduces the newlib standard library.
This is Andrei's final blog post of 2016, and it'll be useful for your Christmas break project where you learn about ARM processors using CubeMX and ST's Discovery board.
Read MoreUsing the UART on our Discovery board requires a little extra hardware before we can use it for debugging.
This week, Andrei reviews some of the ways to hook the Discovery board to your PC.
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