Rev 4052 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4043 | jermar | 1 | /* |
| 2 | * Copyright (c) 2009 Jakub Jermar |
||
| 3 | * All rights reserved. |
||
| 4 | * |
||
| 5 | * Redistribution and use in source and binary forms, with or without |
||
| 6 | * modification, are permitted provided that the following conditions |
||
| 7 | * are met: |
||
| 8 | * |
||
| 9 | * - Redistributions of source code must retain the above copyright |
||
| 10 | * notice, this list of conditions and the following disclaimer. |
||
| 11 | * - Redistributions in binary form must reproduce the above copyright |
||
| 12 | * notice, this list of conditions and the following disclaimer in the |
||
| 13 | * documentation and/or other materials provided with the distribution. |
||
| 14 | * - The name of the author may not be used to endorse or promote products |
||
| 15 | * derived from this software without specific prior written permission. |
||
| 16 | * |
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
||
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
||
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
||
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
||
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
||
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
||
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
||
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
||
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
| 27 | */ |
||
| 28 | |||
| 4092 | decky | 29 | /** @addtogroup genarch |
| 4043 | jermar | 30 | * @{ |
| 31 | */ |
||
| 32 | /** |
||
| 33 | * @file |
||
| 4092 | decky | 34 | * @brief Serial line processing. |
| 4043 | jermar | 35 | */ |
| 36 | |||
| 37 | #include <genarch/srln/srln.h> |
||
| 38 | #include <console/chardev.h> |
||
| 39 | #include <console/console.h> |
||
| 40 | #include <proc/thread.h> |
||
| 41 | #include <arch.h> |
||
| 42 | |||
| 4092 | decky | 43 | static indev_t srlnout; |
| 4043 | jermar | 44 | |
| 4092 | decky | 45 | indev_operations_t srlnout_ops = { |
| 46 | .poll = NULL |
||
| 4043 | jermar | 47 | }; |
| 48 | |||
| 49 | static void ksrln(void *arg) |
||
| 50 | { |
||
| 4092 | decky | 51 | indev_t *in = (indev_t *) arg; |
| 52 | bool cr = false; |
||
| 53 | |||
| 54 | while (true) { |
||
| 55 | uint8_t ch = _getc(in); |
||
| 4043 | jermar | 56 | |
| 4092 | decky | 57 | if ((ch == '\n') && (cr)) { |
| 58 | cr = false; |
||
| 4043 | jermar | 59 | continue; |
| 4092 | decky | 60 | } |
| 4043 | jermar | 61 | |
| 4092 | decky | 62 | if (ch == '\r') { |
| 63 | ch = '\n'; |
||
| 64 | cr = true; |
||
| 65 | } else |
||
| 66 | cr = false; |
||
| 67 | |||
| 68 | if (ch == 0x7f) |
||
| 69 | ch = '\b'; |
||
| 70 | |||
| 71 | indev_push_character(stdin, ch); |
||
| 4043 | jermar | 72 | } |
| 73 | } |
||
| 74 | |||
| 4092 | decky | 75 | void srln_init(indev_t *devin) |
| 4043 | jermar | 76 | { |
| 4092 | decky | 77 | indev_initialize("srln", &srlnout, &srlnout_ops); |
| 78 | thread_t *thread |
||
| 79 | = thread_create(ksrln, devin, TASK, 0, "ksrln", false); |
||
| 4043 | jermar | 80 | |
| 4092 | decky | 81 | if (thread) { |
| 82 | stdin = &srlnout; |
||
| 83 | thread_ready(thread); |
||
| 84 | } |
||
| 4043 | jermar | 85 | } |
| 86 | |||
| 87 | /** @} |
||
| 4052 | jermar | 88 | */ |