[riot-notifications] [RIOT-OS/RIOT] UART: setting baudrate, stopbits, and parity on runtime (#5899)
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Mon Jan 7 09:55:27 CET 2019
> At least options none and RTS/CTS would be relevant for RIOT and supported MCUs. I would include this option into uart_mode() param list.
Don't like it, I think they should stay in the board/CPU specific code path and be configured statically.
> What is the final plan for UART configuration? Should all these parameters go into uart_init() or into uart_mode()? If it is uart_init() then we can only take of the options that deviate from default ones as the UART will be initialized with default values, but if uart_mode() will be allowed at arbitrary time in the user code, then we will have to take care of setting all values, i.e. reverting non-default values to their original state.
I only partly understand this question. Which parameters do you mean exactly?
Concerning the default parameters: from my perspective `uart_init()` should still configure the UART in default configuration (`8N1`), and then `uart_mode()` can be called afterwards to switch to another mode. This way we don't break the existing API.
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