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authorschodet2004-02-29 17:58:45 +0000
committerschodet2004-02-29 17:58:45 +0000
commitd5d826d6dc8dce514e16e6ac27d59a7fa2e2a356 (patch)
tree32c06ed29eed6c078d3e1e5c370c196c0c7e2f4b /2004/i/nono/src/serial/serial_base.cc
parent9bde55f8269c5f5187937144053a5ea1e9caa419 (diff)
Mod: Nouveau systeme plus modulaire pour le port série.
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1 files changed, 72 insertions, 0 deletions
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+// serial_base.cc
+// nono - programme du robot 2004. {{{
+//
+// Copyright (C) 2004 Nicolas Schodet
+//
+// Robot APB Team/Efrei 2004.
+// Web: http://assos.efrei.fr/robot/
+// Email: robot AT efrei DOT fr
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+#include "serial_base.h"
+
+/// Constructeur.
+SerialBase::SerialBase (void)
+ : fd_ (-1)
+{
+}
+
+/// Destructeur.
+SerialBase::~SerialBase (void)
+{
+}
+
+/// Lit un bloc, retourne le nombre d'octets lus ou <= 0 en cas d'erreur
+/// ou si aucun caractère n'est disponible. Pour le robot, préferer en
+/// général getchar() pour du non-bloquant.
+ssize_t
+SerialBase::read (void *buf, size_t size)
+{
+ return ::read (fd_, buf, size);
+}
+
+/// Lit un caractère, ou -1 en cas d'erreur ou si aucun caractère n'est
+/// disponible.
+int
+SerialBase::getchar (void)
+{
+ char c;
+ if (read (&c, 1) == 1)
+ return c;
+ else
+ return -1;
+}
+
+/// Ecrit un bloc.
+void
+SerialBase::write (const void *buf, size_t size)
+{
+ ::write (fd_, buf, size);
+}
+
+/// Ecrit un caractère.
+void
+SerialBase::putchar (int c)
+{
+ write (&c, 1);
+}
+