/*
* Copyright (c) 2014 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <bsp/console-termios.h>
#include <bsp/fatal.h>
#include <rtems/console.h>
RTEMS_INTERRUPT_LOCK_DEFINE( static, console_lock, "console" )
static rtems_device_major_number console_major = UINT32_MAX;
static rtems_device_minor_number console_minor;
rtems_status_code console_device_install(
const char *device_file,
const rtems_termios_device_handler *handler,
const rtems_termios_device_flow *flow,
rtems_termios_device_context *context
)
{
rtems_interrupt_lock_context lock_context;
rtems_device_minor_number minor;
rtems_interrupt_lock_acquire( &console_lock, &lock_context );
minor = console_minor;
++console_minor;
rtems_interrupt_lock_release( &console_lock, &lock_context );
return rtems_termios_device_install(
device_file,
console_major,
minor,
handler,
flow,
context
);
}
bool console_device_probe_default(rtems_termios_device_context *context)
{
(void) context;
return true;
}
rtems_device_driver console_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
bool console_device_done = false;
rtems_termios_initialize();
for ( minor = 0; minor < console_device_count; ++minor ) {
const console_device *ctx = &console_device_table[ minor ];
rtems_status_code sc;
if ( ( *ctx->probe )( ctx->context ) ) {
sc = rtems_termios_device_install(
ctx->device_file,
major,
minor,
ctx->handler,
ctx->flow,
ctx->context
);
if ( sc != RTEMS_SUCCESSFUL ) {
bsp_fatal( BSP_FATAL_CONSOLE_INSTALL_0 );
}
if ( !console_device_done ) {
console_device_done = true;
sc = rtems_io_register_name( CONSOLE_DEVICE_NAME, major, minor );
if ( sc != RTEMS_SUCCESSFUL ) {
bsp_fatal( BSP_FATAL_CONSOLE_INSTALL_1 );
}
}
}
}
console_major = major;
console_minor = minor;
return RTEMS_SUCCESSFUL;
}