| 0,0 → 1,88 |
|---|
| /* |
| * Copyright (c) 2009 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - 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. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. |
| */ |
| |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief Serial line processing. |
| */ |
| |
| #include <genarch/srln/srln.h> |
| #include <console/chardev.h> |
| #include <console/console.h> |
| #include <proc/thread.h> |
| #include <arch.h> |
| |
| static indev_t srlnout; |
| |
| indev_operations_t srlnout_ops = { |
| .poll = NULL |
| }; |
| |
| static void ksrln(void *arg) |
| { |
| indev_t *in = (indev_t *) arg; |
| bool cr = false; |
| |
| while (true) { |
| uint8_t ch = _getc(in); |
| |
| if ((ch == '\n') && (cr)) { |
| cr = false; |
| continue; |
| } |
| |
| if (ch == '\r') { |
| ch = '\n'; |
| cr = true; |
| } else |
| cr = false; |
| |
| if (ch == 0x7f) |
| ch = '\b'; |
| |
| indev_push_character(stdin, ch); |
| } |
| } |
| |
| void srln_init(indev_t *devin) |
| { |
| indev_initialize("srln", &srlnout, &srlnout_ops); |
| thread_t *thread |
| = thread_create(ksrln, devin, TASK, 0, "ksrln", false); |
| |
| if (thread) { |
| stdin = &srlnout; |
| thread_ready(thread); |
| } |
| } |
| |
| /** @} |
| */ |