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authorpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2009-10-18 13:52:21 +0000
committerpatacongo <patacongo@7fd9a85b-ad96-42d3-883c-3090e2eb8679>2009-10-18 13:52:21 +0000
commit359cb0b04f0dd2f8fa14307929ca591d27321ff4 (patch)
tree15c6069e637ef2c122e4a48db9e52dd4dde10bdd /nuttx/drivers/serial/lowconsole.c
parentd978b9b5786ff4972a1a6c6b87e039eeb303fb6b (diff)
Move some drivers to separate subdirectories
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@2156 7fd9a85b-ad96-42d3-883c-3090e2eb8679
Diffstat (limited to 'nuttx/drivers/serial/lowconsole.c')
-rw-r--r--nuttx/drivers/serial/lowconsole.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/nuttx/drivers/serial/lowconsole.c b/nuttx/drivers/serial/lowconsole.c
new file mode 100644
index 0000000000..1de76cc06a
--- /dev/null
+++ b/nuttx/drivers/serial/lowconsole.c
@@ -0,0 +1,132 @@
+/****************************************************************************
+ * drivers/serial/lowconsole.c
+ *
+ * Copyright (C) 2008, 2009 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/fs.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* The architecture must provide up_putc for this driver */
+
+#ifndef CONFIG_ARCH_LOWPUTC
+# error "Architecture must provide up_putc() for this driver"
+#endif
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static ssize_t lowconsole_read(struct file *filep, char *buffer, size_t buflen);
+static ssize_t lowconsole_write(struct file *filep, const char *buffer, size_t buflen);
+static int lowconsole_ioctl(struct file *filep, int cmd, unsigned long arg);
+
+/****************************************************************************
+ * Private Variables
+ ****************************************************************************/
+
+static const struct file_operations g_consoleops =
+{
+ 0, /* open */
+ 0, /* close */
+ lowconsole_read, /* read */
+ lowconsole_write, /* write */
+ 0, /* seek */
+ lowconsole_ioctl /* ioctl */
+#ifndef CONFIG_DISABLE_POLL
+ , 0 /* poll */
+#endif
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: lowconsole_ioctl
+ ****************************************************************************/
+
+static int lowconsole_ioctl(struct file *filep, int cmd, unsigned long arg)
+{
+ return -ENOTTY;
+}
+
+/****************************************************************************
+ * Name: lowconsole_read
+ ****************************************************************************/
+
+static ssize_t lowconsole_read(struct file *filep, char *buffer, size_t buflen)
+{
+ return 0;
+}
+
+/****************************************************************************
+ * Name: lowconsole_write
+ ****************************************************************************/
+
+static ssize_t lowconsole_write(struct file *filep, const char *buffer, size_t buflen)
+{
+ ssize_t ret = buflen;
+
+ for (; buflen; buflen--)
+ {
+ up_putc(*buffer++);
+ }
+ return ret;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: lowconsole_init
+****************************************************************************/
+
+void lowconsole_init(void)
+{
+ (void)register_driver("/dev/console", &g_consoleops, 0666, NULL);
+}