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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2012-09-17 18:18:44 +00:00
commit 57623d42eb
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nuttx/graphics/nxconsole/Make.defs
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############################################################################
# graphics/nxconsole/Make.defs
#
# 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.
#
############################################################################
NXCON_ASRCS =
NXCON_CSRCS = nx_register.c nxcon_driver.c nxcon_font.c nxcon_putc.c
NXCON_CSRCS += nxcon_redraw.c nxcon_register.c nxcon_scroll.c
NXCON_CSRCS += nxcon_vt100.c nxcon_unregister.c nxtk_register.c
NXCON_CSRCS += nxtool_register.c
ifeq ($(CONFIG_NXCONSOLE_NXKBDIN),y)
NXCON_CSRCS += nxcon_kbdin.c
endif
ifeq ($(CONFIG_DEBUG),y)
NXCON_CSRCS += nxcon_sem.c
endif
nuttx/graphics/nxconsole/nx_register.c
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/****************************************************************************
* nuttx/graphics/nxconsole/nx_register.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 <nuttx/nx/nx.h>
#include <nuttx/nx/nxconsole.h>
#include "nxcon_internal.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int nxcon_fill(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]);
#ifndef CONFIG_NX_WRITEONLY
static int nxcon_move(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset);
#endif
static int nxcon_bitmap(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin,
unsigned int stride);
/****************************************************************************
* Private Data
****************************************************************************/
static const struct nxcon_operations_s g_nxops =
{
nxcon_fill,
#ifndef CONFIG_NX_WRITEONLY
nxcon_move,
#endif
nxcon_bitmap
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_fill
*
* Description:
* Fill the specified rectangle in the window with the specified color
*
* Input Parameters:
* priv - The driver state structure.
* rect - The location to be filled
* color - The color to use in the fill
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
static int nxcon_fill(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES])
{
return nx_fill((NXWINDOW)priv->handle, rect, wcolor);
}
/****************************************************************************
* Name: nxcon_move
*
* Description:
* Move a rectangular region within the window
*
* Input Parameters:
* priv - The driver state structure.
* rect - Describes the rectangular region to move
* offset - The offset to move the region. The rectangular region will be
* moved so that the origin is translated by this amount.
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
#ifndef CONFIG_NX_WRITEONLY
static int nxcon_move(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset)
{
return nx_move((NXWINDOW)priv->handle, rect, offset);
}
#endif
/****************************************************************************
* Name: nxcon_bitmap
*
* Description:
* Copy a rectangular region of a larger image into the rectangle in the
* specified window.
*
* Input Parameters:
* priv - The driver state structure.
* dest - Describes the rectangular region on the display that will
* receive the bit map.
* src - The start of the source image. This is an array source
* images of size CONFIG_NX_NPLANES.
* origin - The origin of the upper, left-most corner of the full bitmap.
* Both dest and origin are in window coordinates, however, origin
* may lie outside of the display.
* stride - The width of the full source image in bytes.
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
static int nxcon_bitmap(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin,
unsigned int stride)
{
return nx_bitmap((NXWINDOW)priv->handle, dest, src, origin, stride);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_register
*
* Description:
* Register a console device on a raw NX window. The device will be
* registered at /dev/nxconN where N is the provided minor number.
*
* Input Parameters:
* hwnd - A handle that will be used to access the window. The window must
* persist and this handle must be valid for the life of the NX console.
* wndo - Describes the window and font to be used
* minor - The device minor number
*
* Return:
* A non-NULL handle is returned on success.
*
****************************************************************************/
NXCONSOLE nx_register(NXWINDOW hwnd, FAR struct nxcon_window_s *wndo, int minor)
{
return nxcon_register((NXCONSOLE)hwnd, wndo, &g_nxops, minor);
}
nuttx/graphics/nxconsole/nxcon_driver.c
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/****************************************************************************
* 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
****************************************************************************/
nuttx/graphics/nxconsole/nxcon_font.c
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/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_font.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 <string.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/kmalloc.h>
#include "nxcon_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/* Select renderer -- Some additional logic would be required to support
* pixel depths that are not directly addressable (1,2,4, and 24).
*/
#if CONFIG_NXCONSOLE_BPP == 1
# define RENDERER nxf_convert_1bpp
#elif CONFIG_NXCONSOLE_BPP == 2
# define RENDERER nxf_convert_2bpp
#elif CONFIG_NXCONSOLE_BPP == 4
# define RENDERER nxf_convert_4bpp
#elif CONFIG_NXCONSOLE_BPP == 8
# define RENDERER nxf_convert_8bpp
#elif CONFIG_NXCONSOLE_BPP == 16
# define RENDERER nxf_convert_16bpp
#elif CONFIG_NXCONSOLE_BPP == 24
# define RENDERER nxf_convert_24bpp
#elif CONFIG_NXCONSOLE_BPP == 32
# define RENDERER nxf_convert_32bpp
#else
# error "Unsupported CONFIG_NXCONSOLE_BPP"
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_freeglyph
****************************************************************************/
static void nxcon_freeglyph(FAR struct nxcon_glyph_s *glyph)
{
if (glyph->bitmap)
{
kfree(glyph->bitmap);
}
memset(glyph, 0, sizeof(struct nxcon_glyph_s));
}
/****************************************************************************
* Name: nxcon_allocglyph
****************************************************************************/
static inline FAR struct nxcon_glyph_s *
nxcon_allocglyph(FAR struct nxcon_state_s *priv)
{
FAR struct nxcon_glyph_s *glyph = NULL;
FAR struct nxcon_glyph_s *luglyph = NULL;
uint8_t luusecnt;
int i;
/* Search through the glyph cache looking for an unused glyph. Also, keep
* track of the least used glyph as well. We need that if we have to replace
* a glyph in the cache.
*/
for (i = 0; i < priv->maxglyphs; i++)
{
/* Is this glyph in use? */
glyph = &priv->glyph[i];
if (!glyph->usecnt)
{
/* No.. return this glyph with a use count of one */
glyph->usecnt = 1;
return glyph;
}
/* Yes.. check for the least recently used */
if (!luglyph || glyph->usecnt < luglyph->usecnt)
{
luglyph = glyph;
}
}
/* If we get here, the glyph cache is full. We replace the least used
* glyph with the one we need now. (luglyph can't be NULL).
*/
luusecnt = luglyph->usecnt;
nxcon_freeglyph(luglyph);
/* But lets decrement all of the usecnts so that the new one one be so
* far behind in the counts as the older ones.
*/
if (luusecnt > 1)
{
uint8_t decr = luusecnt - 1;
for (i = 0; i < priv->maxglyphs; i++)
{
/* Is this glyph in use? */
glyph = &priv->glyph[i];
if (glyph->usecnt > decr)
{
glyph->usecnt -= decr;
}
}
}
/* Then return the least used glyph */
luglyph->usecnt = 1;
return luglyph;
}
/****************************************************************************
* Name: nxcon_findglyph
****************************************************************************/
static FAR struct nxcon_glyph_s *
nxcon_findglyph(FAR struct nxcon_state_s *priv, uint8_t ch)
{
int i;
/* First, try to find the glyph in the cache of pre-rendered glyphs */
for (i = 0; i < priv->maxglyphs; i++)
{
FAR struct nxcon_glyph_s *glyph = &priv->glyph[i];
if (glyph->usecnt > 0 && glyph->code == ch)
{
/* Increment the use count (unless it is already at the max) */
if (glyph->usecnt < MAX_USECNT)
{
glyph->usecnt++;
}
/* And return the glyph that we found */
return glyph;
}
}
return NULL;
}
/****************************************************************************
* Name: nxcon_renderglyph
****************************************************************************/
static inline FAR struct nxcon_glyph_s *
nxcon_renderglyph(FAR struct nxcon_state_s *priv,
FAR const struct nx_fontbitmap_s *fbm, uint8_t ch)
{
FAR struct nxcon_glyph_s *glyph = NULL;
FAR nxgl_mxpixel_t *ptr;
#if CONFIG_NXCONSOLE_BPP < 8
nxgl_mxpixel_t pixel;
#endif
int bmsize;
int row;
int col;
int ret;
/* Allocate the glyph (always succeeds) */
glyph = nxcon_allocglyph(priv);
glyph->code = ch;
/* Get the dimensions of the glyph */
glyph->width = fbm->metric.width + fbm->metric.xoffset;
glyph->height = fbm->metric.height + fbm->metric.yoffset;
/* Get the physical width of the glyph in bytes */
glyph->stride = (glyph->width * CONFIG_NXCONSOLE_BPP + 7) / 8;
/* Allocate memory to hold the glyph with its offsets */
bmsize = glyph->stride * glyph->height;
glyph->bitmap = (FAR uint8_t *)kmalloc(bmsize);
if (glyph->bitmap)
{
/* Initialize the glyph memory to the background color using the
* hard-coded bits-per-pixel (BPP).
*
* TODO: The rest of NX is configured to support multiple devices
* with differing BPP. They logic should be extended to support
* differing BPP's as well.
*/
#if CONFIG_NXCONSOLE_BPP < 8
pixel = priv->wcolor[0];
# if CONFIG_NXCONSOLE_BPP == 1
/* Pack 1-bit pixels into a 2-bits */
pixel &= 0x01;
pixel = (pixel) << 1 | pixel;
# endif
# if CONFIG_NXCONSOLE_BPP < 4
/* Pack 2-bit pixels into a nibble */
pixel &= 0x03;
pixel = (pixel) << 2 | pixel;
# endif
/* Pack 4-bit nibbles into a byte */
pixel &= 0x0f;
pixel = (pixel) << 4 | pixel;
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
for (row = 0; row < glyph->height; row++)
{
for (col = 0; col < glyph->stride; col++)
{
/* Transfer the packed bytes into the buffer */
*ptr++ = pixel;
}
}
#elif CONFIG_NXCONSOLE_BPP == 24
# error "Additional logic is needed here for 24bpp support"
#else /* CONFIG_NXCONSOLE_BPP = {8,16,32} */
ptr = (FAR nxgl_mxpixel_t *)glyph->bitmap;
for (row = 0; row < glyph->height; row++)
{
/* Just copy the color value into the glyph memory */
for (col = 0; col < glyph->width; col++)
{
*ptr++ = priv->wndo.wcolor[0];
}
}
#endif
/* Then render the glyph into the allocated memory */
ret = RENDERER((FAR nxgl_mxpixel_t*)glyph->bitmap,
glyph->height, glyph->width, glyph->stride,
fbm, priv->wndo.fcolor[0]);
if (ret < 0)
{
/* Actually, the RENDERER never returns a failure */
gdbg("nxcon_renderglyph: RENDERER failed\n");
nxcon_freeglyph(glyph);
glyph = NULL;
}
}
return glyph;
}
/****************************************************************************
* Name: nxcon_fontsize
****************************************************************************/
static int nxcon_fontsize(NXHANDLE hfont, uint8_t ch, FAR struct nxgl_size_s *size)
{
FAR const struct nx_fontbitmap_s *fbm;
/* No, it is not cached... Does the code map to a font? */
fbm = nxf_getbitmap(hfont, ch);
if (fbm)
{
/* Yes.. return the font size */
size->w = fbm->metric.width + fbm->metric.xoffset;
size->h = fbm->metric.height + fbm->metric.yoffset;
return OK;
}
return ERROR;
}
/****************************************************************************
* Name: nxcon_getglyph
****************************************************************************/
static FAR struct nxcon_glyph_s *
nxcon_getglyph(NXHANDLE hfont, FAR struct nxcon_state_s *priv, uint8_t ch)
{
FAR struct nxcon_glyph_s *glyph;
FAR const struct nx_fontbitmap_s *fbm;
/* First, try to find the glyph in the cache of pre-rendered glyphs */
glyph = nxcon_findglyph(priv, ch);
if (glyph)
{
/* We found it in the cache .. return the cached glyph */
return glyph;
}
/* No, it is not cached... Does the code map to a font? */
fbm = nxf_getbitmap(hfont, ch);
if (fbm)
{
/* Yes.. render the glyph */
glyph = nxcon_renderglyph(priv, fbm, ch);
}
return glyph;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_addchar
*
* Description:
* This is part of the nxcon_putc logic. It creates and positions a
* the character and renders (or re-uses) a glyph for font.
*
****************************************************************************/
FAR const struct nxcon_bitmap_s *
nxcon_addchar(NXHANDLE hfont, FAR struct nxcon_state_s *priv, uint8_t ch)
{
FAR struct nxcon_bitmap_s *bm = NULL;
FAR struct nxcon_glyph_s *glyph;
/* Is there space for another character on the display? */
if (priv->nchars < priv->maxchars)
{
/* Yes, setup the bitmap information */
bm = &priv->bm[priv->nchars];
bm->code = ch;
bm->flags = 0;
bm->pos.x = priv->fpos.x;
bm->pos.y = priv->fpos.y;
/* Find (or create) the matching glyph */
glyph = nxcon_getglyph(hfont, priv, ch);
if (!glyph)
{
/* No, there is no font for this code. Just mark this as a space. */
bm->flags |= BMFLAGS_NOGLYPH;
/* Set up the next character position */
priv->fpos.x += priv->spwidth;
}
else
{
/* Set up the next character position */
priv->fpos.x += glyph->width;
}
/* Success.. increment nchars to retain this character */
priv->nchars++;
}
return bm;
}
/****************************************************************************
* Name: nxcon_hidechar
*
* Description:
* Erase a character from the window.
*
****************************************************************************/
int nxcon_hidechar(FAR struct nxcon_state_s *priv,
FAR const struct nxcon_bitmap_s *bm)
{
struct nxgl_rect_s bounds;
struct nxgl_size_s fsize;
int ret;
/* Get the size of the font glyph. If nxcon_fontsize, then the
* character will have been rendered as a space, and no display
* modification is required (not an error).
*/
ret = nxcon_fontsize(priv->font, bm->code, &fsize);
if (ret < 0)
{
/* It was rendered as a space. */
return OK;
}
/* Construct a bounding box for the glyph */
bounds.pt1.x = bm->pos.x;
bounds.pt1.y = bm->pos.y;
bounds.pt2.x = bm->pos.x + fsize.w - 1;
bounds.pt2.y = bm->pos.y + fsize.h - 1;
/* Fill the bitmap region with the background color, erasing the
* character from the display. NOTE: This region might actually
* be obscured... NX will handle that case.
*/
return priv->ops->fill(priv, &bounds, priv->wndo.wcolor);
}
/****************************************************************************
* Name: nxcon_backspace
*
* Description:
* Remove the last character from the window.
*
****************************************************************************/
int nxcon_backspace(FAR struct nxcon_state_s *priv)
{
FAR struct nxcon_bitmap_s *bm;
int ndx;
int ret = -ENOENT;
/* Is there a character on the display? */
if (priv->nchars > 0)
{
/* Yes.. Get the index to the last bitmap on the display */
ndx = priv->nchars - 1;
bm = &priv->bm[ndx];
/* Erase the character from the display */
ret = nxcon_hidechar(priv, bm);
/* The current position to the location where the last character was */
priv->fpos.x = bm->pos.x;
priv->fpos.y = bm->pos.y;
/* Decrement nchars to discard this character */
priv->nchars = ndx;
}
return ret;
}
/****************************************************************************
* Name: nxcon_home
*
* Description:
* Set the next character position to the top-left corner of the display.
*
****************************************************************************/
void nxcon_home(FAR struct nxcon_state_s *priv)
{
/* The first character is one space from the left */
priv->fpos.x = priv->spwidth;
/* And CONFIG_NXCONSOLE_LINESEPARATION lines from the top */
priv->fpos.y = CONFIG_NXCONSOLE_LINESEPARATION;
}
/****************************************************************************
* Name: nxcon_newline
*
* Description:
* Set the next character position to the beginning of the next line.
*
****************************************************************************/
void nxcon_newline(FAR struct nxcon_state_s *priv)
{
/* Carriage return: The first character is one space from the left */
priv->fpos.x = priv->spwidth;
/* Linefeed: Down the max font height + CONFIG_NXCONSOLE_LINESEPARATION */
priv->fpos.y += (priv->fheight + CONFIG_NXCONSOLE_LINESEPARATION);
}
/****************************************************************************
* Name: nxcon_fillchar
*
* Description:
* This implements the character display. It is part of the nxcon_putc
* operation but may also be used when redrawing an existing display.
*
****************************************************************************/
void nxcon_fillchar(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxcon_bitmap_s *bm)
{
FAR struct nxcon_glyph_s *glyph;
struct nxgl_rect_s bounds;
struct nxgl_rect_s intersection;
struct nxgl_size_s fsize;
int ret;
/* Handle the special case of spaces which have no glyph bitmap */
if (BM_ISSPACE(bm))
{
return;
}
/* Get the size of the font glyph (which may not have been created yet) */
ret = nxcon_fontsize(priv->font, bm->code, &fsize);
if (ret < 0)
{
/* This would mean that there is no bitmap for the character code and
* that the font would be rendered as a space. But this case should
* never happen here because the BM_ISSPACE() should have already
* found all such cases.
*/
return;
}
/* Construct a bounding box for the glyph */
bounds.pt1.x = bm->pos.x;
bounds.pt1.y = bm->pos.y;
bounds.pt2.x = bm->pos.x + fsize.w - 1;
bounds.pt2.y = bm->pos.y + fsize.h - 1;
/* Should this also be clipped to a region in the window? */
if (rect)
{
/* Get the intersection of the redraw region and the character bitmap */
nxgl_rectintersect(&intersection, rect, &bounds);
}
else
{
/* The intersection is the whole glyph */
nxgl_rectcopy(&intersection, &bounds);
}
/* Check for empty intersections */
if (!nxgl_nullrect(&intersection))
{
FAR const void *src;
/* Find (or create) the glyph that goes with this font */
glyph = nxcon_getglyph(priv->font, priv, bm->code);
if (!glyph)
{
/* Shouldn't happen */
return;
}
/* Blit the font bitmap into the window */
src = (FAR const void *)glyph->bitmap;
ret = priv->ops->bitmap(priv, &intersection, &src,
&bm->pos, (unsigned int)glyph->stride);
DEBUGASSERT(ret >= 0);
}
}
nuttx/graphics/nxconsole/nxcon_internal.h
+254
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@@ -0,0 +1,254 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_internal.h
*
* 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.
*
****************************************************************************/
#ifndef __GRAPHICS_NXCONSOLE_NXCON_INTERNAL_H
#define __GRAPHICS_NXCONSOLE_NXCON_INTERNAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <semaphore.h>
#include <nuttx/fs/fs.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxtk.h>
#include <nuttx/nx/nxfonts.h>
#include <nuttx/nx/nxconsole.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* NxConsole Definitions ****************************************************/
/* Bitmap flags */
#define BMFLAGS_NOGLYPH (1 << 0) /* No glyph available, use space */
#define BM_ISSPACE(bm) (((bm)->flags & BMFLAGS_NOGLYPH) != 0)
/* Sizes and maximums */
#define MAX_USECNT 255 /* Limit to range of a uint8_t */
/* Device path formats */
#define NX_DEVNAME_FORMAT "/dev/nxcon%d"
#define NX_DEVNAME_SIZE 16
/* Semaphore protection */
#define NO_HOLDER (pid_t)-1
/* VT100 escape sequence processing */
#define VT100_MAX_SEQUENCE 3
/****************************************************************************
* Public Types
****************************************************************************/
/* Identifies the state of the VT100 escape sequence processing */
enum nxcon_vt100state_e
{
VT100_NOT_CONSUMED = 0, /* Character is not part of a VT100 escape sequence */
VT100_CONSUMED, /* Character was consumed as part of the VT100 escape processing */
VT100_PROCESSED, /* The full VT100 escape sequence was processed */
VT100_ABORT /* Invalid/unsupported character in buffered escape sequence */
};
/* Describes on set of console window callbacks */
struct nxcon_state_s;
struct nxcon_operations_s
{
int (*fill)(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]);
#ifndef CONFIG_NX_WRITEONLY
int (*move)(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset);
#endif
int (*bitmap)(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin,
unsigned int stride);
};
/* Describes one cached glyph bitmap */
struct nxcon_glyph_s
{
uint8_t code; /* Character code */
uint8_t height; /* Height of this glyph (in rows) */
uint8_t width; /* Width of this glyph (in pixels) */
uint8_t stride; /* Width of the glyph row (in bytes) */
uint8_t usecnt; /* Use count */
FAR uint8_t *bitmap; /* Allocated bitmap memory */
};
/* Describes on character on the display */
struct nxcon_bitmap_s
{
uint8_t code; /* Character code */
uint8_t flags; /* See BMFLAGS_* */
struct nxgl_point_s pos; /* Character position */
};
/* Describes the state of one NX console driver*/
struct nxcon_state_s
{
FAR const struct nxcon_operations_s *ops; /* Window operations */
FAR void *handle; /* The window handle */
FAR struct nxcon_window_s wndo; /* Describes the window and font */
NXHANDLE font; /* The current font handle */
sem_t exclsem; /* Forces mutually exclusive access */
#ifdef CONFIG_DEBUG
pid_t holder; /* Deadlock avoidance */
#endif
uint8_t minor; /* Device minor number */
/* Text output support */
uint8_t fheight; /* Max height of a font in pixels */
uint8_t fwidth; /* Max width of a font in pixels */
uint8_t spwidth; /* The width of a space */
uint8_t maxglyphs; /* Size of the glyph[] array */
uint16_t maxchars; /* Size of the bm[] array */
uint16_t nchars; /* Number of chars in the bm[] array */
struct nxgl_point_s fpos; /* Next display position */
/* VT100 escape sequence processing */
char seq[VT100_MAX_SEQUENCE]; /* Buffered characters */
uint8_t nseq; /* Number of buffered characters */
/* Font cache data storage */
struct nxcon_bitmap_s cursor;
struct nxcon_bitmap_s bm[CONFIG_NXCONSOLE_MXCHARS];
/* Glyph cache data storage */
struct nxcon_glyph_s glyph[CONFIG_NXCONSOLE_CACHESIZE];
/* Keyboard input support */
#ifdef CONFIG_NXCONSOLE_NXKBDIN
sem_t waitsem; /* Supports waiting for input data */
uint8_t nwaiters; /* Number of threads waiting for data */
uint8_t head; /* rxbuffer head/input index */
uint8_t tail; /* rxbuffer tail/output index */
uint8_t rxbuffer[CONFIG_NXCONSOLE_KBDBUFSIZE];
/* The following is a list if poll structures of threads waiting for
* driver events. The 'struct pollfd' reference for each open is also
* retained in the f_priv field of the 'struct file'.
*/
#ifndef CONFIG_DISABLE_POLL
struct pollfd *fds[CONFIG_RAMLOG_NPOLLWAITERS];
#endif
#endif /* CONFIG_NXCONSOLE_NXKBDIN */
};
/****************************************************************************
* Public Variables
****************************************************************************/
/* This is the common NX driver file operations */
extern const struct file_operations g_nxcon_drvrops;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/* Semaphore helpers */
#ifdef CONFIG_DEBUG
int nxcon_semwait(FAR struct nxcon_state_s *priv);
int nxcon_sempost(FAR struct nxcon_state_s *priv);
#else
# define nxcon_semwait(p) sem_wait(&p->exclsem)
# define nxcon_sempost(p) sem_post(&p->exclsem)
#endif
/* Common device registration */
FAR struct nxcon_state_s *nxcon_register(NXCONSOLE handle,
FAR struct nxcon_window_s *wndo, FAR const struct nxcon_operations_s *ops,
int minor);
#ifdef CONFIG_NXCONSOLE_NXKBDIN
ssize_t nxcon_read(FAR struct file *filep, FAR char *buffer, size_t len);
#ifndef CONFIG_DISABLE_POLL
int nxcon_poll(FAR struct file *filep, FAR struct pollfd *fds, bool setup);
#endif
#endif
/* VT100 Terminal emulation */
enum nxcon_vt100state_e nxcon_vt100(FAR struct nxcon_state_s *priv, char ch);
/* Generic text display helpers */
void nxcon_home(FAR struct nxcon_state_s *priv);
void nxcon_newline(FAR struct nxcon_state_s *priv);
FAR const struct nxcon_bitmap_s *nxcon_addchar(NXHANDLE hfont,
FAR struct nxcon_state_s *priv, uint8_t ch);
int nxcon_hidechar(FAR struct nxcon_state_s *priv,
FAR const struct nxcon_bitmap_s *bm);
int nxcon_backspace(FAR struct nxcon_state_s *priv);
void nxcon_fillchar(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect, FAR const struct nxcon_bitmap_s *bm);
void nxcon_putc(FAR struct nxcon_state_s *priv, uint8_t ch);
void nxcon_showcursor(FAR struct nxcon_state_s *priv);
void nxcon_hidecursor(FAR struct nxcon_state_s *priv);
/* Scrolling support */
void nxcon_scroll(FAR struct nxcon_state_s *priv, int scrollheight);
#endif /* __GRAPHICS_NXCONSOLE_NXCON_INTERNAL_H */
nuttx/graphics/nxconsole/nxcon_kbdin.c
+489
View File
@@ -0,0 +1,489 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_kbdin.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 <fcntl.h>
#include <sched.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include "nxcon_internal.h"
#ifdef CONFIG_NXCONSOLE_NXKBDIN
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_pollnotify
****************************************************************************/
#ifndef CONFIG_DISABLE_POLL
static void nxcon_pollnotify(FAR struct nxcon_state_s *priv, pollevent_t eventset)
{
FAR struct pollfd *fds;
irqstate_t flags;
int i;
/* This function may be called from an interrupt handler */
for (i = 0; i < CONFIG_NXCONSOLE_NPOLLWAITERS; i++)
{
flags = irqsave();
fds = priv->fds[i];
if (fds)
{
fds->revents |= (fds->events & eventset);
if (fds->revents != 0)
{
sem_post(fds->sem);
}
}
irqrestore(flags);
}
}
#else
# define nxcon_pollnotify(priv,event)
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_read
*
* Description:
* The optional NxConsole read method
*
****************************************************************************/
ssize_t nxcon_read(FAR struct file *filep, FAR char *buffer, size_t len)
{
FAR struct nxcon_state_s *priv;
ssize_t nread;
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 to the driver structure */
ret = nxcon_semwait(priv);
if (ret < 0)
{
gdbg("ERROR: nxcon_semwait failed\n");
return ret;
}
/* Loop until something is read */
for (nread = 0; nread < len; )
{
/* Get the next byte from the buffer */
if (priv->head == priv->tail)
{
/* The circular buffer is empty. Did we read anything? */
if (nread > 0)
{
/* Yes.. break out to return what we have. */
break;
}
/* If the driver was opened with O_NONBLOCK option, then don't wait.
* Just return EGAIN.
*/
if (filep->f_oflags & O_NONBLOCK)
{
nread = -EAGAIN;
break;
}
/* Otherwise, wait for something to be written to the circular
* buffer. Increment the number of waiters so that the nxcon_write()
* will not that it needs to post the semaphore to wake us up.
*/
sched_lock();
priv->nwaiters++;
nxcon_sempost(priv);
/* We may now be pre-empted! But that should be okay because we
* have already incremented nwaiters. Pre-emption is disabled
* but will be re-enabled while we are waiting.
*/
ret = sem_wait(&priv->waitsem);
/* Pre-emption will be disabled when we return. So the decrementing
* nwaiters here is safe.
*/
priv->nwaiters--;
sched_unlock();
/* Did we successfully get the waitsem? */
if (ret >= 0)
{
/* Yes... then retake the mutual exclusion semaphore */
ret = nxcon_semwait(priv);
}
/* Was the semaphore wait successful? Did we successful re-take the
* mutual exclusion semaphore?
*/
if (ret < 0)
{
/* No.. One of the two sem_wait's failed. */
int errval = errno;
gdbg("ERROR: nxcon_semwait failed\n");
/* Were we awakened by a signal? Did we read anything before
* we received the signal?
*/
if (errval != EINTR || nread >= 0)
{
/* Yes.. return the error. */
nread = -errval;
}
/* Break out to return what we have. Note, we can't exactly
* "break" out because whichever error occurred, we do not hold
* the exclusion semaphore.
*/
goto errout_without_sem;
}
}
else
{
/* The circular buffer is not empty, get the next byte from the
* tail index.
*/
ch = priv->rxbuffer[priv->tail];
/* Increment the tail index and re-enable interrupts */
if (++priv->tail >= CONFIG_NXCONSOLE_KBDBUFSIZE)
{
priv->tail = 0;
}
/* Add the character to the user buffer */
buffer[nread] = ch;
nread++;
}
}
/* Relinquish the mutual exclusion semaphore */
nxcon_sempost(priv);
/* Notify all poll/select waiters that they can write to the FIFO */
errout_without_sem:
#ifndef CONFIG_DISABLE_POLL
if (nread > 0)
{
nxcon_pollnotify(priv, POLLOUT);
}
#endif
/* Return the number of characters actually read */
return nread;
}
/****************************************************************************
* Name: nxcon_poll
****************************************************************************/
#ifndef CONFIG_DISABLE_POLL
int nxcon_poll(FAR struct file *filep, FAR struct pollfd *fds, bool setup)
{
FAR struct inode *inode = filep->f_inode;
FAR struct nxcon_state_s *priv;
pollevent_t eventset;
int ndx;
int ret;
int i;
/* Some sanity checking */
DEBUGASSERT(inode && inode->i_private);
priv = inode->i_private;
/* Get exclusive access to the driver structure */
ret = nxcon_semwait(priv);
if (ret < 0)
{
gdbg("ERROR: nxcon_semwait failed\n");
return ret;
}
/* Are we setting up the poll? Or tearing it down? */
if (setup)
{
/* This is a request to set up the poll. Find an available
* slot for the poll structure reference
*/
for (i = 0; i < CONFIG_NXCONSOLE_NPOLLWAITERS; i++)
{
/* Find an available slot */
if (!priv->fds[i])
{
/* Bind the poll structure and this slot */
priv->fds[i] = fds;
fds->priv = &priv->fds[i];
break;
}
}
if (i >= CONFIG_NXCONSOLE_NPOLLWAITERS)
{
gdbg("ERROR: Too many poll waiters\n");
fds->priv = NULL;
ret = -EBUSY;
goto errout;
}
/* Should immediately notify on any of the requested events?
* This driver is always available for transmission.
*/
eventset = POLLOUT;
/* Check if the receive buffer is empty */
if (priv->head != priv->tail)
{
eventset |= POLLIN;
}
if (eventset)
{
nxcon_pollnotify(priv, eventset);
}
}
else if (fds->priv)
{
/* This is a request to tear down the poll. */
struct pollfd **slot = (struct pollfd **)fds->priv;
#ifdef CONFIG_DEBUG
if (!slot)
{
gdbg("ERROR: No slot\n");
ret = -EIO;
goto errout;
}
#endif
/* Remove all memory of the poll setup */
*slot = NULL;
fds->priv = NULL;
}
errout:
nxcon_sempost(priv);
return ret;
}
#endif
/****************************************************************************
* Name: nxcon_kbdin
*
* Description:
* This function should be driven by the window kbdin callback function
* (see nx.h). When the NxConsole is the top window and keyboard input is
* received on the top window, that window callback should be directed to
* this function. This function will buffer the keyboard data and may
* it available to the NxConsole as stdin.
*
* If CONFIG_NXCONSOLE_NXKBDIN is not selected, then the NxConsole will
* receive its input from stdin (/dev/console). This works great but
* cannot be shared between different windows. Chaos will ensue if you
* try to support multiple NxConsole windows without CONFIG_NXCONSOLE_NXKBDIN
*
* Input Parameters:
* handle - A handle previously returned by nx_register, nxtk_register, or
* nxtool_register.
* buffer - The array of characters
* buflen - The number of characters that are available in buffer[]
*
* Returned Value:
* None
*
****************************************************************************/
void nxcon_kbdin(NXCONSOLE handle, FAR const uint8_t *buffer, uint8_t buflen)
{
FAR struct nxcon_state_s *priv;
ssize_t nwritten;
int nexthead;
char ch;
int ret;
gvdbg("buflen=%d\n");
DEBUGASSERT(handle);
/* Get the reference to the driver structure from the handle */
priv = (FAR struct nxcon_state_s *)handle;
/* Get exclusive access to the driver structure */
ret = nxcon_semwait(priv);
if (ret < 0)
{
gdbg("ERROR: nxcon_semwait failed\n");
return;
}
/* Loop until all of the bytes have been written. This function may be
* called from an interrupt handler! Semaphores cannot be used!
*
* The write logic only needs to modify the head index. Therefore,
* there is a difference in the way that head and tail are protected:
* tail is protected with a semaphore; tail is protected by disabling
* interrupts.
*/
for (nwritten = 0; nwritten < buflen; nwritten++)
{
/* Add the next character */
ch = buffer[nwritten];
/* Calculate the write index AFTER the next byte is add to the ring
* buffer
*/
nexthead = priv->head + 1;
if (nexthead >= CONFIG_NXCONSOLE_KBDBUFSIZE)
{
nexthead = 0;
}
/* Would the next write overflow the circular buffer? */
if (nexthead == priv->tail)
{
/* Yes... Return an indication that nothing was saved in the buffer. */
gdbg("ERROR: Keyboard data overrun\n");
break;
}
/* No... copy the byte */
priv->rxbuffer[priv->head] = ch;
priv->head = nexthead;
}
/* Was anything written? */
if (nwritten > 0)
{
int i;
/* Are there threads waiting for read data? */
sched_lock();
for (i = 0; i < priv->nwaiters; i++)
{
/* Yes.. Notify all of the waiting readers that more data is available */
sem_post(&priv->waitsem);
}
/* Notify all poll/select waiters that they can write to the FIFO */
#ifndef CONFIG_DISABLE_POLL
nxcon_pollnotify(priv, POLLIN);
#endif
sched_unlock();
}
nxcon_sempost(priv);
}
#endif /* CONFIG_NXCONSOLE_NXKBDIN */
nuttx/graphics/nxconsole/nxcon_putc.c
+203
View File
@@ -0,0 +1,203 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_putc.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 <nuttx/ascii.h>
#include "nxcon_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_putc
*
* Description:
* Render the specified character at the current display position.
*
****************************************************************************/
void nxcon_putc(FAR struct nxcon_state_s *priv, uint8_t ch)
{
FAR const struct nxcon_bitmap_s *bm;
int lineheight;
/* Ignore carriage returns */
if (ch == '\r')
{
return;
}
/* Handle backspace (treating both BS and DEL as backspace) */
if (ch == ASCII_BS || ch == ASCII_DEL)
{
nxcon_backspace(priv);
return;
}
/* Will another character fit on this line? */
if (priv->fpos.x + priv->fwidth > priv->wndo.wsize.w)
{
#ifndef CONFIG_NXCONSOLE_NOWRAP
/* No.. move to the next line */
nxcon_newline(priv);
/* If we were about to output a newline character, then don't */
if (ch == '\n')
{
return;
}
#else
/* No.. Ignore all further characters until a newline is encountered */
if (ch != '\n')
{
return;
}
#endif
}
/* If it is a newline character, then just perform the logical newline
* operation.
*/
if (ch == '\n')
{
nxcon_newline(priv);
return;
}
/* Check if we need to scroll up */
lineheight = (priv->fheight + CONFIG_NXCONSOLE_LINESEPARATION);
while (priv->fpos.y >= priv->wndo.wsize.h - lineheight)
{
nxcon_scroll(priv, lineheight);
}
/* Find the glyph associated with the character and render it onto the
* display.
*/
bm = nxcon_addchar(priv->font, priv, ch);
if (bm)
{
nxcon_fillchar(priv, NULL, bm);
}
}
/****************************************************************************
* Name: nxcon_showcursor
*
* Description:
* Render the cursor character at the current display position.
*
****************************************************************************/
void nxcon_showcursor(FAR struct nxcon_state_s *priv)
{
int lineheight;
/* Will another character fit on this line? */
if (priv->fpos.x + priv->fwidth > priv->wndo.wsize.w)
{
#ifndef CONFIG_NXCONSOLE_NOWRAP
/* No.. move to the next line */
nxcon_newline(priv);
#else
return;
#endif
}
/* Check if we need to scroll up */
lineheight = (priv->fheight + CONFIG_NXCONSOLE_LINESEPARATION);
while (priv->fpos.y >= priv->wndo.wsize.h - lineheight)
{
nxcon_scroll(priv, lineheight);
}
/* Render the cursor glyph onto the display. */
priv->cursor.pos.x = priv->fpos.x;
priv->cursor.pos.y = priv->fpos.y;
nxcon_fillchar(priv, NULL, &priv->cursor);
}
/****************************************************************************
* Name: nxcon_hidecursor
*
* Description:
* Render the cursor cursor character from the display.
*
****************************************************************************/
void nxcon_hidecursor(FAR struct nxcon_state_s *priv)
{
(void)nxcon_hidechar(priv, &priv->cursor);
}
nuttx/graphics/nxconsole/nxcon_redraw.c
+152
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@@ -0,0 +1,152 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_bkgd.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 <stdint.h>
#include <stdbool.h>
#include <semaphore.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxglib.h>
#include "nxcon_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_redraw
*
* Description:
* Re-draw a portion of the NX console. This function should be called
* from the appropriate window callback logic.
*
* Input Parameters:
* handle - A handle previously returned by nx_register, nxtk_register, or
* nxtool_register.
* rect - The rectangle that needs to be re-drawn (in window relative
* coordinates)
* more - true: More re-draw requests will follow
*
* Returned Value:
* None
*
****************************************************************************/
void nxcon_redraw(NXCONSOLE handle, FAR const struct nxgl_rect_s *rect, bool more)
{
FAR struct nxcon_state_s *priv;
int ret;
int i;
DEBUGASSERT(handle && rect);
gvdbg("rect={(%d,%d),(%d,%d)} more=%s\n",
rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y,
more ? "true" : "false");
/* Recover our private state structure */
priv = (FAR struct nxcon_state_s *)handle;
/* Get exclusive access to the state structure */
do
{
ret = nxcon_semwait(priv);
/* Check for errors */
if (ret < 0)
{
/* The only expected error is if the wait failed because of it
* was interrupted by a signal.
*/
DEBUGASSERT(errno == EINTR);
}
}
while (ret < 0);
/* Fill the rectangular region with the window background color */
ret = priv->ops->fill(priv, rect, priv->wndo.wcolor);
if (ret < 0)
{
gdbg("fill failed: %d\n", errno);
}
/* Then redraw each character on the display (Only the characters within
* the rectangle will actually be redrawn).
*/
for (i = 0; i < priv->nchars; i++)
{
nxcon_fillchar(priv, rect, &priv->bm[i]);
}
ret = nxcon_sempost(priv);
}
nuttx/graphics/nxconsole/nxcon_register.c
+160
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@@ -0,0 +1,160 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_register.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 <stdio.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/kmalloc.h>
#include <nuttx/fs/fs.h>
#include "nxcon_internal.h"
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_allocate
****************************************************************************/
FAR struct nxcon_state_s *
nxcon_register(NXCONSOLE handle, FAR struct nxcon_window_s *wndo,
FAR const struct nxcon_operations_s *ops, int minor)
{
FAR struct nxcon_state_s *priv;
char devname[NX_DEVNAME_SIZE];
int ret;
DEBUGASSERT(handle && wndo && ops && (unsigned)minor < 256);
/* Allocate the driver structure */
priv = (FAR struct nxcon_state_s *)kzalloc(sizeof(struct nxcon_state_s));
if (!priv)
{
gdbg("Failed to allocate the NX driver structure\n");
return NULL;
}
/* Initialize the driver structure */
priv->ops = ops;
priv->handle = handle;
priv->minor = minor;
memcpy(&priv->wndo, wndo, sizeof( struct nxcon_window_s));
sem_init(&priv->exclsem, 0, 1);
#ifdef CONFIG_DEBUG
priv->holder = NO_HOLDER;
#endif
#ifdef CONFIG_NXCONSOLE_NXKBDIN
sem_init(&priv->waitsem, 0, 0);
#endif
/* Select the font */
priv->font = nxf_getfonthandle(wndo->fontid);
if (!priv->font)
{
gdbg("Failed to get font ID %d: %d\n", wndo->fontid, errno);
goto errout;
}
FAR const struct nx_font_s *fontset;
/* Get information about the font set being used and save this in the
* state structure
*/
fontset = nxf_getfontset(priv->font);
priv->fheight = fontset->mxheight;
priv->fwidth = fontset->mxwidth;
priv->spwidth = fontset->spwidth;
/* Set up the text cache */
priv->maxchars = CONFIG_NXCONSOLE_MXCHARS;
/* Set up the font glyph bitmap cache */
priv->maxglyphs = CONFIG_NXCONSOLE_CACHESIZE;
/* Set the initial display position */
nxcon_home(priv);
/* Show the cursor */
priv->cursor.code = CONFIG_NXCONSOLE_CURSORCHAR;
nxcon_showcursor(priv);
/* Register the driver */
snprintf(devname, NX_DEVNAME_SIZE, NX_DEVNAME_FORMAT, minor);
ret = register_driver(devname, &g_nxcon_drvrops, 0666, priv);
if (ret < 0)
{
gdbg("Failed to register %s\n", devname);
}
return (NXCONSOLE)priv;
errout:
kfree(priv);
return NULL;
}
nuttx/graphics/nxconsole/nxcon_scroll.c
+239
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@@ -0,0 +1,239 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_scroll.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 <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <semaphore.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxfonts.h>
#include "nxcon_internal.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_movedisplay
*
* Description:
* This function implements the data movement for the scroll operation. If
* we can read the displays framebuffer memory, then the job is pretty
* easy. However, many displays (such as SPI-based LCDs) are often read-
* only.
****************************************************************************/
#ifdef CONFIG_NX_WRITEONLY
static inline void nxcon_movedisplay(FAR struct nxcon_state_s *priv,
int bottom, int scrollheight)
{
FAR struct nxcon_bitmap_s *bm;
struct nxgl_rect_s rect;
nxgl_coord_t row;
int ret;
int i;
/* Move each row, one at a time. They could all be moved at once (by calling
* nxcon_redraw), but the since the region is cleared, then re-written, the
* effect would not be good. Below the region is also cleared and re-written,
* however, in much smaller chunks.
*/
rect.pt1.x = 0;
rect.pt2.x = priv->wndo.wsize.w - 1;
for (row = CONFIG_NXCONSOLE_LINESEPARATION; row < bottom; row += scrollheight)
{
/* Create a bounding box the size of one row of characters */
rect.pt1.y = row;
rect.pt2.y = row + scrollheight - 1;
/* Clear the region */
ret = priv->ops->fill(priv, &rect, priv->wndo.wcolor);
if (ret < 0)
{
gdbg("fill failed: %d\n", errno);
}
/* Fill each character that might lie within in the bounding box */
for (i = 0; i < priv->nchars; i++)
{
bm = &priv->bm[i];
if (bm->pos.y <= rect.pt2.y && bm->pos.y + priv->fheight >= rect.pt1.y)
{
nxcon_fillchar(priv, &rect, bm);
}
}
}
/* Finally, clear the bottom part of the display */
rect.pt1.y = bottom;
rect.pt2.y = priv->wndo.wsize.h- 1;
ret = priv->ops->fill(priv, &rect, priv->wndo.wcolor);
if (ret < 0)
{
gdbg("nxcon_movedisplay: fill failed: %d\n", errno);
}
}
#else
static inline void nxcon_movedisplay(FAR struct nxcon_state_s *priv,
int bottom, int scrollheight)
{
struct nxgl_rect_s rect;
struct nxgl_point_s offset;
int ret;
/* Move the display in the range of 0-height up one scrollheight. The
* line at the bottom will be reset to the background color automatically.
*
* The source rectangle to be moved.
*/
rect.pt1.x = 0;
rect.pt1.y = scrollheight + CONFIG_NXCONSOLE_LINESEPARATION;
rect.pt2.x = priv->wndo.wsize.w - 1;
rect.pt2.y = priv->wndo.wsize.h - 1;
/* The offset that determines how far to move the source rectangle */
offset.x = 0;
offset.y = -scrollheight;
/* Move the source rectangle */
ret = priv->ops->move(priv, &rect, &offset);
if (ret < 0)
{
gdbg("move failed: %d\n", errno);
}
}
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_scroll
****************************************************************************/
void nxcon_scroll(FAR struct nxcon_state_s *priv, int scrollheight)
{
int i;
int j;
/* Adjust the vertical position of each character */
for (i = 0; i < priv->nchars; )
{
FAR struct nxcon_bitmap_s *bm = &priv->bm[i];
/* Has any part of this character scrolled off the screen? */
if (bm->pos.y < scrollheight + CONFIG_NXCONSOLE_LINESEPARATION)
{
/* Yes... Delete the character by moving all of the data */
for (j = i; j < priv->nchars-1; j++)
{
memcpy(&priv->bm[j], &priv->bm[j+1], sizeof(struct nxcon_bitmap_s));
}
/* Decrement the number of cached characters ('i' is not incremented
* in this case because it already points to the next character)
*/
priv->nchars--;
}
/* No.. just decrement its vertical position (moving it "up" the
* display by one line).
*/
else
{
bm->pos.y -= scrollheight;
/* We are keeping this one so increment to the next character */
i++;
}
}
/* And move the next display position up by one line as well */
priv->fpos.y -= scrollheight;
/* Move the display in the range of 0-height up one scrollheight. */
nxcon_movedisplay(priv, priv->fpos.y, scrollheight);
}
nuttx/graphics/nxconsole/nxcon_sem.c
+129
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@@ -0,0 +1,129 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_sem.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 <unistd.h>
#include <semaphore.h>
#include <assert.h>
#include <errno.h>
#include "nxcon_internal.h"
#ifdef CONFIG_DEBUG
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_semwait and nxcon_sempost
*
* Description:
* If debug is on, then lower level code may attempt console output while
* we are doing console output! In this case, we will toss the nested
* output to avoid deadlocks and infinite loops.
*
* Input Parameters:
* priv - Driver data structure
*
* Returned Value:
*
*
****************************************************************************/
int nxcon_semwait(FAR struct nxcon_state_s *priv)
{
pid_t me;
int ret;
/* Does I already hold the semaphore */
me = getpid();
if (priv->holder != me)
{
/* No.. then wait until the thread that does hold it is finished with it */
ret = sem_wait(&priv->exclsem);
if (ret == OK)
{
/* No I hold the semaphore */
priv->holder = me;
}
return ret;
}
/* Abort, abort, abort! I have been re-entered */
set_errno(EBUSY);
return ERROR;
}
int nxcon_sempost(FAR struct nxcon_state_s *priv)
{
pid_t me = getpid();
/* Make sure that I really hold the semaphore */
ASSERT(priv->holder == me);
/* Then let go of it */
priv->holder = NO_HOLDER;
return sem_post(&priv->exclsem);
}
#endif /* CONFIG_DEBUG */
nuttx/graphics/nxconsole/nxcon_unregister.c
+123
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@@ -0,0 +1,123 @@
/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_unregister.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 <stdio.h>
#include <string.h>
#include <errno.h>
#include <nuttx/kmalloc.h>
#include <nuttx/nx/nxconsole.h>
#include "nxcon_internal.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_unregister
*
* Description:
* Un-register to NX console device.
*
* Input Parameters:
* handle - A handle previously returned by nx_register, nxtk_register, or
* nxtool_register.
*
* Returned Value:
* None
*
****************************************************************************/
void nxcon_unregister(NXCONSOLE handle)
{
FAR struct nxcon_state_s *priv;
char devname[NX_DEVNAME_SIZE];
int i;
DEBUGASSERT(handle);
/* Get the reference to the driver structure from the handle */
priv = (FAR struct nxcon_state_s *)handle;
sem_destroy(&priv->exclsem);
#ifdef CONFIG_NXCONSOLE_NXKBDIN
sem_destroy(&priv->waitsem);
#endif
/* Free all allocated glyph bitmap */
for (i = 0; i < CONFIG_NXCONSOLE_CACHESIZE; i++)
{
FAR struct nxcon_glyph_s *glyph = &priv->glyph[i];
if (glyph->bitmap)
{
kfree(glyph->bitmap);
}
}
/* Unregister the driver */
snprintf(devname, NX_DEVNAME_SIZE, NX_DEVNAME_FORMAT, priv->minor);
(void)unregister_driver(devname);
/* Free the private data structure */
kfree(handle);
}
nuttx/graphics/nxconsole/nxcon_vt100.c
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/****************************************************************************
* nuttx/graphics/nxconsole/nxcon_vt100.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 <string.h>
#include <assert.h>
#include <nuttx/vt100.h>
#include "nxcon_internal.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
typedef int (*seqhandler_t)(FAR struct nxcon_state_s *priv);
struct vt100_sequence_s
{
FAR const char *seq;
seqhandler_t handler;
uint8_t size;
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int nxcon_erasetoeol(FAR struct nxcon_state_s *priv);
/****************************************************************************
* Private Data
****************************************************************************/
/* All recognized VT100 escape sequences. Very little as present, this is
* a placeholder for a future, more complete VT100 emulation.
*/
/* <esc>[K is the VT100 command erases to the end of the line. */
static const char g_erasetoeol[] = VT100_CLEAREOL;
/* The list of all VT100 sequences supported by the emulation */
static const struct vt100_sequence_s g_vt100sequences[] =
{
{g_erasetoeol, nxcon_erasetoeol, sizeof(g_erasetoeol)},
{NULL, NULL, 0}
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_erasetoeol
*
* Description:
* Handle the erase-to-eol VT100 escapte sequence
*
* Input Parameters:
* priv - Driver data structure
*
* Returned Value:
* The index of the match in g_vt100sequences[]
*
****************************************************************************/
static int nxcon_erasetoeol(FAR struct nxcon_state_s *priv)
{
/* Does nothing yet (other than consume the sequence) */
return OK;
}
/****************************************************************************
* Name: nxcon_vt100part
*
* Description:
* Return the next entry that is a partial match to the sequence.
*
* Input Parameters:
* priv - Driver data structure
* seqsize - The number of bytes in the sequence
* startndx - The index to start searching
*
* Returned Value:
* A pointer to the matching sequence in g_vt100sequences[]
*
****************************************************************************/
FAR const struct vt100_sequence_s *
nxcon_vt100part(FAR struct nxcon_state_s *priv, int seqsize)
{
FAR const struct vt100_sequence_s *seq;
int ndx;
/* Search from the beginning of the sequence table */
for (ndx = 0; g_vt100sequences[ndx].seq; ndx++)
{
/* Is this sequence big enough? */
seq = &g_vt100sequences[ndx];
if (seq->size >= seqsize)
{
/* Yes... are the first 'seqsize' bytes the same */
if (memcmp(seq->seq, priv->seq, seqsize) == 0)
{
/* Yes.. return the match */
return seq;
}
}
}
return NULL;
}
/****************************************************************************
* Name: nxcon_vt100seq
*
* Description:
* Determine if the new sequence is a part of a supported VT100 escape
* sequence.
*
* Input Parameters:
* priv - Driver data structure
* seqsize - The number of bytes in the sequence
*
* Returned Value:
* state - See enum nxcon_vt100state_e;
*
****************************************************************************/
static enum nxcon_vt100state_e nxcon_vt100seq(FAR struct nxcon_state_s *priv,
int seqsize)
{
FAR const struct vt100_sequence_s *seq;
enum nxcon_vt100state_e ret;
/* Is there any VT100 escape sequence that matches what we have
* buffered so far?
*/
seq = nxcon_vt100part(priv, seqsize);
if (seq)
{
/* Yes.. if the size of that escape sequence is the same as what we
* have buffered, then we have an exact match.
*/
if (seq->size == seqsize)
{
/* Process the VT100 sequence */
seq->handler(priv);
priv->nseq = 0;
return VT100_PROCESSED;
}
/* The 'seqsize' is still smaller than the potential match(es). We
* will need to collect more characters before we can make a decision.
* Retun an indication that we have consumed the character.
*/
return VT100_CONSUMED;
}
/* We get here on a failure. The buffer sequence is not part of any
* supported VT100 escape sequence. If seqsize > 1 then we need to
* return a special value because we have to re-process the buffered
* data.
*/
ret = seqsize > 1 ? VT100_ABORT : VT100_NOT_CONSUMED;
return ret;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxcon_vt100
*
* Description:
* Test if the newly received byte is part of a VT100 escape sequence
*
* Input Parameters:
* priv - Driver data structure
* ch - The newly received character
*
* Returned Value:
* state - See enum nxcon_vt100state_e;
*
****************************************************************************/
enum nxcon_vt100state_e nxcon_vt100(FAR struct nxcon_state_s *priv, char ch)
{
enum nxcon_vt100state_e ret;
int seqsize;
DEBUGASSERT(priv && priv->nseq < VT100_MAX_SEQUENCE);
/* If we have no buffered characters, then 'ch' must be the first character
* of an escape sequence.
*/
if (priv->nseq < 1)
{
/* The first character of an escape sequence must be an an escape
* character (duh).
*/
if (ch != ASCII_ESC)
{
return VT100_NOT_CONSUMED;
}
/* Add the escape character to the buffer but don't bother with any
* further checking.
*/
priv->seq[0] = ASCII_ESC;
priv->nseq = 1;
return VT100_CONSUMED;
}
/* Temporarily add the next character to the buffer */
seqsize = priv->nseq;
priv->seq[seqsize] = ch;
/* Then check if this sequence is part of an a valid escape sequence */
seqsize++;
ret = nxcon_vt100seq(priv, seqsize);
if (ret == VT100_CONSUMED)
{
/* The newly added character is indeed part of a VT100 escape sequence
* (which is still incomplete). Keep it in the buffer.
*/
priv->nseq = seqsize;
}
return ret;
}
nuttx/graphics/nxconsole/nxtk_register.c
+192
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/****************************************************************************
* nuttx/graphics/nxconsole/nxtk_register.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 <nuttx/nx/nxtk.h>
#include <nuttx/nx/nxconsole.h>
#include "nxcon_internal.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int nxtkcon_fill(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]);
#ifndef CONFIG_NX_WRITEONLY
static int nxtkcon_move(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset);
#endif
static int nxtkcon_bitmap(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin,
unsigned int stride);
/****************************************************************************
* Private Data
****************************************************************************/
static const struct nxcon_operations_s g_nxtkops =
{
nxtkcon_fill,
#ifndef CONFIG_NX_WRITEONLY
nxtkcon_move,
#endif
nxtkcon_bitmap
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxtkcon_fill
*
* Description:
* Fill the specified rectangle in the window with the specified color
*
* Input Parameters:
* priv - The driver state structure.
* rect - The location to be filled
* color - The color to use in the fill
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
static int nxtkcon_fill(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES])
{
return nxtk_fillwindow((NXTKWINDOW)priv->handle, rect, wcolor);
}
/****************************************************************************
* Name: nxtkcon_move
*
* Description:
* Move a rectangular region within the window
*
* Input Parameters:
* priv - The driver state structure.
* rect - Describes the rectangular region to move
* offset - The offset to move the region. The rectangular region will be
* moved so that the origin is translated by this amount.
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
#ifndef CONFIG_NX_WRITEONLY
static int nxtkcon_move(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset)
{
return nxtk_movewindow((NXTKWINDOW)priv->handle, rect, offset);
}
#endif
/****************************************************************************
* Name: nxtkcon_bitmap
*
* Description:
* Copy a rectangular region of a larger image into the rectangle in the
* specified window.
*
* Input Parameters:
* priv - The driver state structure.
* dest - Describes the rectangular region on the display that will
* receive the bit map.
* src - The start of the source image. This is an array source
* images of size CONFIG_NX_NPLANES.
* origin - The origin of the upper, left-most corner of the full bitmap.
* Both dest and origin are in window coordinates, however, origin
* may lie outside of the display.
* stride - The width of the full source image in bytes.
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
static int nxtkcon_bitmap(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin,
unsigned int stride)
{
return nxtk_bitmapwindow((NXTKWINDOW)priv->handle, dest, src, origin, stride);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxtk_register
*
* Description:
* Register a console device on a framed NX window. The device will be
* registered at /dev/nxtkN where N is the provided minor number.
*
* Input Parameters:
* hfwnd - A handle that will be used to access the window. The window must
* persist and this handle must be valid for the life of the NX console.
* wndo - Describes the window and font to be used
* minor - The device minor number
*
* Return:
* A non-NULL handle is returned on success.
*
****************************************************************************/
NXCONSOLE nxtk_register(NXTKWINDOW hfwnd, FAR struct nxcon_window_s *wndo, int minor)
{
return nxcon_register((NXCONSOLE)hfwnd, wndo, &g_nxtkops, minor);
}
nuttx/graphics/nxconsole/nxtool_register.c
+195
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/****************************************************************************
* nuttx/graphics/nxconsole/nxtool_register.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 <nuttx/nx/nxtk.h>
#include <nuttx/nx/nxconsole.h>
#include "nxcon_internal.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int nxtool_fill(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]);
#ifndef CONFIG_NX_WRITEONLY
static int nxtool_move(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset);
#endif
static int nxtool_bitmap(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin,
unsigned int stride);
/****************************************************************************
* Private Data
****************************************************************************/
static const struct nxcon_operations_s g_nxtoolops =
{
nxtool_fill,
#ifndef CONFIG_NX_WRITEONLY
nxtool_move,
#endif
nxtool_bitmap
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxtool_fill
*
* Description:
* Fill the specified rectangle in the window with the specified color
*
* Input Parameters:
* priv - The driver state structure.
* rect - The location to be filled
* color - The color to use in the fill
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
static int nxtool_fill(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES])
{
return nxtk_filltoolbar((NXTKWINDOW)priv->handle, rect, wcolor);
}
/****************************************************************************
* Name: nxtool_move
*
* Description:
* Move a rectangular region within the window
*
* Input Parameters:
* priv - The driver state structure.
* rect - Describes the rectangular region to move
* offset - The offset to move the region. The rectangular region will be
* moved so that the origin is translated by this amount.
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
#ifndef CONFIG_NX_WRITEONLY
static int nxtool_move(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *rect,
FAR const struct nxgl_point_s *offset)
{
return nxtk_movetoolbar((NXTKWINDOW)priv->handle, rect, offset);
}
#endif
/****************************************************************************
* Name: nxtool_bitmap
*
* Description:
* Copy a rectangular region of a larger image into the rectangle in the
* specified window.
*
* Input Parameters:
* priv - The driver state structure.
* dest - Describes the rectangular region on the display that will
* receive the bit map.
* src - The start of the source image. This is an array source
* images of size CONFIG_NX_NPLANES.
* origin - The origin of the upper, left-most corner of the full bitmap.
* Both dest and origin are in window coordinates, however, origin
* may lie outside of the display.
* stride - The width of the full source image in bytes.
*
* Return:
* OK on success; ERROR on failure with errno set appropriately
*
****************************************************************************/
static int nxtool_bitmap(FAR struct nxcon_state_s *priv,
FAR const struct nxgl_rect_s *dest,
FAR const void *src[CONFIG_NX_NPLANES],
FAR const struct nxgl_point_s *origin,
unsigned int stride)
{
return nxtk_bitmaptoolbar((NXTKWINDOW)priv->handle, dest, src, origin, stride);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nxtool_register
*
* Description:
* Register a console device on a toolbar of a framed NX window. The
* device will be registered at /dev/nxtoolN where N is the provided minor
* number.
*
* Input Parameters:
* hfwnd - A handle that will be used to access the toolbar. The toolbar
* must persist and this handle must be valid for the life of the NX
* console.
* wndo - Describes the window and font to be used
* minor - The device minor number
*
* Return:
* A non-NULL handle is returned on success.
*
****************************************************************************/
NXCONSOLE nxtool_register(NXTKWINDOW hfwnd, FAR struct nxcon_window_s *wndo, int minor)
{
return nxcon_register((NXCONSOLE)hfwnd, wndo, &g_nxtoolops, minor);
}