summaryrefslogtreecommitdiffstats
path: root/bsps/shared/dev/serial/console-output-char.c
blob: 14ad05cd8c1522fcdb589bed2d408f59a4a9c701 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/* SPDX-License-Identifier: BSD-2-Clause */

/*
 * Copyright (c) 2013 embedded brains GmbH.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <libchip/serial.h>

#include <rtems/bspIo.h>

static void output_char(char c)
{
  int minor = (int) Console_Port_Minor;
  const console_tbl *ct = Console_Port_Tbl != NULL ?
    Console_Port_Tbl[minor] : &Console_Configuration_Ports[minor];
  const console_fns *cf = ct->pDeviceFns;

  (*cf->deviceWritePolled)(minor, c);
}

static void output_char_init(char c)
{
  if (Console_Port_Tbl == NULL) {
    int minor = (int) Console_Port_Minor;
    const console_fns *cf = Console_Configuration_Ports[minor].pDeviceFns;

    (*cf->deviceInitialize)(minor);
  }

  BSP_output_char = output_char;
  output_char(c);
}

BSP_output_char_function_type BSP_output_char = output_char_init;

BSP_polling_getchar_function_type BSP_poll_char = NULL;