On 27/06/18 06:59, Amaan Cheval wrote:
Quick question since the BSP guide is outdated - I see several
"methods" of RTEMS' console management. The guide says to use
console-termios.c (and rtems_termios_device_install) as the "new"
method.
https://docs.rtems.org/branches/master/bsp-howto/console.html#build-system-and-files

The console driver documentation in the BSP guide is up to date.


Most BSPs (beagle, pc386, malta) using NS16550 use legacy-console.c,
though - are NS16550 and Termios mutually exclusive for now?

Or is it simply that none of the old NS16550 users have been ported
over to using console-termios.c as well?

What would be the expectation from a new BSP?

Definitely use rtems_termios_device_install() in new BSPs. There is a NS16550 driver variant for this new interface:

bsps/shared/dev/serial/ns16550-context.c

In <libchip/ns16550.h>:

extern const rtems_termios_device_handler ns16550_handler_interrupt;
extern const rtems_termios_device_handler ns16550_handler_polled;
extern const rtems_termios_device_handler ns16550_handler_task;

extern const rtems_termios_device_flow ns16550_flow_rtscts;
extern const rtems_termios_device_flow ns16550_flow_dtrcts;

void ns16550_polled_putchar(rtems_termios_device_context *base, char out);

int ns16550_polled_getchar(rtems_termios_device_context *base);

bool ns16550_probe(rtems_termios_device_context *base);

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