diff options
Diffstat (limited to 'nuttx/graphics/nxconsole/nxcon_driver.c')
| -rwxr-xr-x | nuttx/graphics/nxconsole/nxcon_driver.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/nuttx/graphics/nxconsole/nxcon_driver.c b/nuttx/graphics/nxconsole/nxcon_driver.c deleted file mode 100755 index c647f97bb..000000000 --- a/nuttx/graphics/nxconsole/nxcon_driver.c +++ /dev/null @@ -1,257 +0,0 @@ -/**************************************************************************** - * nuttx/graphics/nxconsole/nxcon_driver.c - * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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 <stdbool.h> -#include <string.h> -#include <fcntl.h> -#include <assert.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/fs/fs.h> - -#include "nxcon_internal.h" - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -static int nxcon_open(FAR struct file *filep); -static ssize_t nxcon_write(FAR struct file *filep, FAR const char *buffer, - size_t buflen); - -/**************************************************************************** - * Public Data - ****************************************************************************/ -/* This is the common NX driver file operations */ - -#ifdef CONFIG_NXCONSOLE_NXKBDIN - -const struct file_operations g_nxcon_drvrops = -{ - nxcon_open, /* open */ - 0, /* close */ - nxcon_read, /* read */ - nxcon_write, /* write */ - 0, /* seek */ - 0 /* ioctl */ -#ifndef CONFIG_DISABLE_POLL - , - nxcon_poll /* poll */ -#endif -}; - -#else /* CONFIG_NXCONSOLE_NXKBDIN */ - -const struct file_operations g_nxcon_drvrops = -{ - nxcon_open, /* open */ - 0, /* close */ - 0, /* read */ - nxcon_write, /* write */ - 0, /* seek */ - 0 /* ioctl */ -#ifndef CONFIG_DISABLE_POLL - , - 0 /* poll */ -#endif -}; - -#endif /* CONFIG_NXCONSOLE_NXKBDIN */ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: nxcon_open - ****************************************************************************/ - -static int nxcon_open(FAR struct file *filep) -{ - FAR struct inode *inode = filep->f_inode; - FAR struct nxcon_state_s *priv = inode->i_private; - - DEBUGASSERT(filep && filep->f_inode); - - /* Get the driver structure from the inode */ - - inode = filep->f_inode; - priv = (FAR struct nxcon_state_s *)inode->i_private; - DEBUGASSERT(priv); - - /* Verify that the driver is opened for write-only access */ - -#ifndef CONFIG_NXCONSOLE_NXKBDIN - if ((filep->f_oflags & O_RDOK) != 0) - { - gdbg("ERROR: Attempted open with read access\n"); - return -EACCES; - } -#endif - - /* Assign the driver structure to the file */ - - filep->f_priv = priv; - return OK; -} - -/**************************************************************************** - * Name: nxcon_write - ****************************************************************************/ - -static ssize_t nxcon_write(FAR struct file *filep, FAR const char *buffer, - size_t buflen) -{ - FAR struct nxcon_state_s *priv; - enum nxcon_vt100state_e state; - ssize_t remaining; - char ch; - int ret; - - /* Recover our private state structure */ - - DEBUGASSERT(filep && filep->f_priv); - priv = (FAR struct nxcon_state_s *)filep->f_priv; - - /* Get exclusive access */ - - ret = nxcon_semwait(priv); - if (ret < 0) - { - return ret; - } - - /* Hide the cursor while we update the display */ - - nxcon_hidecursor(priv); - - /* Loop writing each character to the display */ - - for (remaining = (ssize_t)buflen; remaining > 0; remaining--) - { - /* Get the next character from the user buffer */ - - ch = *buffer++; - - /* Check if this character is part of a VT100 escape sequence */ - - do - { - /* Is the character part of a VT100 escape sequnce? */ - - state = nxcon_vt100(priv, ch); - switch (state) - { - /* Character is not part of a VT100 escape sequence (and no - * characters are buffer. - */ - - default: - case VT100_NOT_CONSUMED: - { - /* We can output the character to the window */ - - nxcon_putc(priv, (uint8_t)ch); - } - break; - - /* The full VT100 escape sequence was processed (and the new - * character was consumed) - */ - - case VT100_PROCESSED: - - /* Character was consumed as part of the VT100 escape processing - * (but the escape sequence is still incomplete. - */ - - case VT100_CONSUMED: - { - /* Do nothing... the VT100 logic owns the character */ - } - break; - - /* Invalid/unsupported character in escape sequence */ - - case VT100_ABORT: - { - int i; - - /* Add the first unhandled character to the window */ - - nxcon_putc(priv, (uint8_t)priv->seq[0]); - - /* Move all buffer characters down one */ - - for (i = 1; i < priv->nseq; i++) - { - priv->seq[i-1] = priv->seq[i]; - } - priv->nseq--; - - /* Then loop again and check if what remains is part of a - * VT100 escape sequence. We could speed this up by - * checking if priv->seq[0] == ASCII_ESC. - */ - } - break; - } - } - while (state == VT100_ABORT); - } - - /* Show the cursor at its new position */ - - nxcon_showcursor(priv); - nxcon_sempost(priv); - return (ssize_t)buflen; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - |