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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-07-08 16:36:26 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-07-08 16:36:26 +0000 |
commit | a4e513bfbe4c06a36fb2ee4d0bc53de015a5fe2e (patch) | |
tree | 5eaca91e2c09d160fce6d592115b888b687984b8 /apps/examples/nxtext | |
parent | 5711ff4501884ac98471edbbcf0585e7baa1c7f3 (diff) | |
download | px4-nuttx-a4e513bfbe4c06a36fb2ee4d0bc53de015a5fe2e.tar.gz px4-nuttx-a4e513bfbe4c06a36fb2ee4d0bc53de015a5fe2e.tar.bz2 px4-nuttx-a4e513bfbe4c06a36fb2ee4d0bc53de015a5fe2e.zip |
Add a test for NX text displays and also a configuration for the STM3210E-EVAL
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3754 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps/examples/nxtext')
-rw-r--r-- | apps/examples/nxtext/Makefile | 97 | ||||
-rw-r--r-- | apps/examples/nxtext/nxtext_bkgd.c | 370 | ||||
-rw-r--r-- | apps/examples/nxtext/nxtext_internal.h | 309 | ||||
-rw-r--r-- | apps/examples/nxtext/nxtext_main.c | 494 | ||||
-rw-r--r-- | apps/examples/nxtext/nxtext_popup.c | 348 | ||||
-rw-r--r-- | apps/examples/nxtext/nxtext_putc.c | 468 | ||||
-rw-r--r-- | apps/examples/nxtext/nxtext_server.c | 194 |
7 files changed, 2280 insertions, 0 deletions
diff --git a/apps/examples/nxtext/Makefile b/apps/examples/nxtext/Makefile new file mode 100644 index 000000000..4451c9faf --- /dev/null +++ b/apps/examples/nxtext/Makefile @@ -0,0 +1,97 @@ +############################################################################ +# apps/examples/nxtext/Makefile +# +# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt <spudmonkey@racsa.co.cr> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +-include $(TOPDIR)/.config +-include $(TOPDIR)/Make.defs +include $(APPDIR)/Make.defs + +# NuttX NX Graphics Example. + +ASRCS = +CSRCS = nxtext_main.c nxtext_bkgd.c nxtext_popup.c nxtext_putc.c + +ifeq ($(CONFIG_NX_MULTIUSER),y) +CSRCS += nxtext_server.c +endif + +AOBJS = $(ASRCS:.S=$(OBJEXT)) +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +ifeq ($(WINTOOL),y) + BIN = "${shell cygpath -w $(APPDIR)/libapps$(LIBEXT)}" +else + BIN = "$(APPDIR)/libapps$(LIBEXT)" +endif + +ROOTDEPPATH = --dep-path . + +# Common build + +VPATH = + +all: .built +.PHONY: clean depend distclean + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +.built: $(OBJS) + @( for obj in $(OBJS) ; do \ + $(call ARCHIVE, $(BIN), $${obj}); \ + done ; ) + @touch .built + +context: + +.depend: Makefile $(SRCS) + @$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + @rm -f *.o *~ .*.swp .built + $(call CLEAN) + +distclean: clean + @rm -f Make.dep .depend + +-include Make.dep diff --git a/apps/examples/nxtext/nxtext_bkgd.c b/apps/examples/nxtext/nxtext_bkgd.c new file mode 100644 index 000000000..16965d7ae --- /dev/null +++ b/apps/examples/nxtext/nxtext_bkgd.c @@ -0,0 +1,370 @@ +/**************************************************************************** + * examples/nxtext/nxtext_bkgd.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <semaphore.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/nx.h> +#include <nuttx/nxtk.h> + +#include "nxtext_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static void nxbg_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + bool morem, FAR void *arg); +static void nxbg_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size, + FAR const struct nxgl_point_s *pos, + FAR const struct nxgl_rect_s *bounds, + FAR void *arg); +#ifdef CONFIG_NX_MOUSE +static void nxbg_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos, + uint8_t buttons, FAR void *arg); +#endif + +#ifdef CONFIG_NX_KBD +static void nxbg_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch, + FAR void *arg) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static struct nxtext_state_s g_bgstate; +static struct nxtext_bitmap_s g_bgbm[CONFIG_EXAMPLES_NXTEXT_BMCACHE]; +static struct nxtext_glyph_s g_bgglyph[CONFIG_EXAMPLES_NXTEXT_GLCACHE]; + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +const struct nx_callback_s g_bkgdcb = +{ + nxbg_redraw, /* redraw */ + nxbg_position /* position */ +#ifdef CONFIG_NX_MOUSE + , nxbg_mousein /* mousein */ +#endif +#ifdef CONFIG_NX_KBD + , nxbg_kbdin /* my kbdin */ +#endif +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxbg_fillwindow + ****************************************************************************/ + +static inline void nxbg_fillwindow(NXEGWINDOW hwnd, + FAR const struct nxgl_rect_s *rect, + FAR struct nxtext_state_s *st) +{ + int ret; + int i; + + ret = nx_fill(hwnd, rect, st->color); + if (ret < 0) + { + message("nxbg_fillwindow: nx_fill failed: %d\n", errno); + } + + /* Fill each character on the display (Only the characters within rect + * will actually be redrawn). + */ + +#ifdef CONFIG_NX_KBD + nxtext_home(st); + for (i = 0; i < st->nchars; i++) + { + nxtext_fillchar(hwnd, rect, &st->bm[i]); + } +#endif +} + +/**************************************************************************** + * Name: nxbg_redraw + ****************************************************************************/ + +static void nxbg_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + bool more, FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxbg_redraw: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n", + hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y, + more ? "true" : "false"); + + nxbg_fillwindow(hwnd, rect, st); +} + +/**************************************************************************** + * Name: nxbg_position + ****************************************************************************/ + +static void nxbg_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size, + FAR const struct nxgl_point_s *pos, + FAR const struct nxgl_rect_s *bounds, + FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + + /* Report the position */ + + message("nxbg_position: hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n", + hwnd, size->w, size->h, pos->x, pos->y, + bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y); + + /* Have we picked off the window bounds yet? */ + + if (!b_haveresolution) + { + /* Save the window size */ + + st->wsize.w = size->w; + st->wsize.h = size->h; + + /* Save the window limits (these should be the same for all places and all windows */ + + g_xres = bounds->pt2.x; + g_yres = bounds->pt2.y; + + b_haveresolution = true; + sem_post(&g_semevent); + message("nxbg_position: Have xres=%d yres=%d\n", g_xres, g_yres); + } +} + +/**************************************************************************** + * Name: nxbg_mousein + ****************************************************************************/ + +#ifdef CONFIG_NX_MOUSE +static void nxbg_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos, + uint8_t buttons, FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxbg_mousein: hwnd=%p pos=(%d,%d) button=%02x\n", + hwnd, pos->x, pos->y, buttons); +} +#endif + +/**************************************************************************** + * Name: nxbg_kbdin + ****************************************************************************/ + +#ifdef CONFIG_NX_KBD +static void nxbg_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch, + FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxbg_kbdin: hwnd=%p nch=%d\n", hwnd, nch); + nxbg_puts(hwnd, st, nch, ch); +} +#endif + +/**************************************************************************** + * Name: nxbg_scroll + ****************************************************************************/ + +static void nxbg_scroll(NXWINDOW hwnd, int lineheight) +{ + struct nxgl_rect_s rect; + int i; + int j; + + /* Scroll up until the next display position is in the window. We may need + * do this more than once (unlikely) + */ + + while (g_bgstate.pos.y >= g_bgstate.wsize.h - lineheight) + { + /* Adjust the vertical position of each character */ + + for (i = 0; i < g_bgstate.nchars; ) + { + FAR struct nxtext_bitmap_s *bm = &g_bgstate.bm[i]; + + /* Has any part of this character scrolled off the screen? */ + + if (bm->bounds.pt1.y < lineheight) + { + /* Yes... Delete the character by moving all of the data */ + + for (j = i; j < g_bgstate.nchars-1; j++) + { + memcpy(&g_bgstate.bm[j], &g_bgstate.bm[j+1], sizeof(struct nxtext_bitmap_s)); + } + + /* Decrement the number of cached characters (i is not incremented + * in this case because it already points to the next charactger) + */ + + g_bgstate.nchars--; + } + + /* No.. just decrement its vertical position (moving it "up" the + * display by one line. + */ + + else + { + bm->bounds.pt1.y -= lineheight; + bm->bounds.pt2.y -= lineheight; + + /* Increment to the next character */ + + i++; + } + } + + /* And move the next display position up by one line as well */ + + g_bgstate.pos.y -= lineheight; + } + + /* Then re-draw the entry display */ + + rect.pt1.x = 0; + rect.pt1.y = 0; + rect.pt2.x = g_bgstate.wsize.w -1; + rect.pt2.y = g_bgstate.wsize.h -1; + nxbg_fillwindow(hwnd, &rect, &g_bgstate); +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxbg_initstate + ****************************************************************************/ + +FAR struct nxtext_state_s *nxbg_getstate(void) +{ + FAR const struct nx_font_s *fontset; + + /* Initialize the color (used for redrawing the window) */ + + memset(&g_gbstate, 0, sizeof(struct nxtext_state_s)); + g_bgstate.wcolor[0] = CONFIG_EXAMPLES_NXTEXT_BGCOLOR; + g_bgstate.fcolor[0] = CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR; + + /* Get information about the font set being used and save this in the + * state structure + */ + + fontset = nxf_getfontset(); + g_bgstate.fheight = fontset->mxheight; + g_bgstate.fwidth = fontset->mxwidth; + g_bgstate.spwidth = fontset->spwidth; + + /* Set up the text caches */ + + g_bgstate.maxchars = CONFIG_EXAMPLES_NXTEXT_BMCACHE; + g_bgstate.maxglyphs = CONFIG_EXAMPLES_NXTEXT_GLCACHE; + g_bgstate.bm = g_bgbm; + g_bgstate.glyph = g_bgglyph; + + /* Set the first display position */ + + nxtext_home(st); + return &g_bgstate; +} + +/**************************************************************************** + * Name: nxbg_puts + ****************************************************************************/ + +void nxbg_puts(NXWINDOW hwnd, FAR const uint8_t *ch) +{ + int lineheight = (g_bgstate.fheight + 2); + + while (*ch) + { + /* Will another character fit on this line? */ + + if (g_bgstate.pos.x + b_bgstate.spwidth > bg_state.size.w) + { + /* No.. move to the next line */ + + nxtext_newline(&g_bgstate); + + /* If we were about to output a newline character, then don't */ + + if (*ch == '\n') + { + ch++; + continue; + } + } + + /* Check if we need to scroll up */ + + if (g_bgstate.pos.y >= g_bgstate.wsize.h - lineheight) + { + nxbg_scroll(hwnd, lineheight); + } + + /* Finally, we can output the character */ + + nxtext_putc(hwnd, &g_bgstate, *ch++); + } +} + + diff --git a/apps/examples/nxtext/nxtext_internal.h b/apps/examples/nxtext/nxtext_internal.h new file mode 100644 index 000000000..17747657f --- /dev/null +++ b/apps/examples/nxtext/nxtext_internal.h @@ -0,0 +1,309 @@ +/**************************************************************************** + * examples/nxtext/nxtext_internal.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __EXAMPLES_NXTEXT_NXTEXT_INTERNAL_H +#define __EXAMPLES_NXTEXT_NXTEXT_INTERNAL_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <semaphore.h> +#include <nuttx/nx.h> +#include <nuttx/nxtk.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* Configuration ************************************************************/ + +#ifndef CONFIG_NX +# error "NX is not enabled (CONFIG_NX)" +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_VPLANE +# define CONFIG_EXAMPLES_NXTEXT_VPLANE 0 +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_BPP +# define CONFIG_EXAMPLES_NXTEXT_BPP 32 +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_BGCOLOR +# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32 +# define CONFIG_EXAMPLES_NXTEXT_BGCOLOR 0x007b68ee +# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16 +# define CONFIG_EXAMPLES_NXTEXT_BGCOLOR 0x7b5d +# else +# define CONFIG_EXAMPLES_NXTEXT_BGCOLOR ' ' +# endif +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_PUCOLOR +# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32 +# define CONFIG_EXAMPLES_NXTEXT_PUCOLOR 0x00dcdcdc +# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16 +# define CONFIG_EXAMPLES_NXTEXT_PUCOLOR 0xdefb +# else +# define CONFIG_EXAMPLES_NXTEXT_PUCOLOR '2' +# endif +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR +# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32 +# define CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR 0x00000000 +# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16 +# define CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR 0x0000 +# else +# define CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR 'F' +# endif +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR +# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32 +# define CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR 0x00000000 +# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16 +# define CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR 0x0000 +# else +# define CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR 'F' +# endif +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_BMCACHE +# define CONFIG_EXAMPLES_NXTEXT_BMCACHE 128 +#endif + +#ifndef CONFIG_EXAMPLES_NXTEXT_GLCACHE +# if CONFIG_NXFONTS_CHARBITS < 8 +# define CONFIG_EXAMPLES_NXTEXT_GLCACHE MIN(CONFIG_EXAMPLES_NXTEXT_BMCACHE, 128) +# else +# define CONFIG_EXAMPLES_NXTEXT_GLCACHE MIN(CONFIG_EXAMPLES_NXTEXT_BMCACHE, 256) +# endif +#endif + +#ifdef CONFIG_NX_MULTIUSER +# ifdef CONFIG_DISABLE_MQUEUE +# error "The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=n)" +# endif +# ifdef CONFIG_DISABLE_SIGNALS +# error "This example requires signal support (CONFIG_DISABLE_SIGNALS=n)" +# endif +# ifdef CONFIG_DISABLE_PTHREAD +# error "This example requires pthread support (CONFIG_DISABLE_PTHREAD=n)" +# endif +# ifndef CONFIG_NX_BLOCKING +# error "This example depends on CONFIG_NX_BLOCKING" +# endif +# ifndef CONFIG_EXAMPLES_NXTEXT_STACKSIZE +# define CONFIG_EXAMPLES_NXTEXT_STACKSIZE 2048 +# endif +# ifndef CONFIG_EXAMPLES_NXTEXT_LISTENERPRIO +# define CONFIG_EXAMPLES_NXTEXT_LISTENERPRIO 100 +# endif +# ifndef CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO +# define CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO 100 +# endif +# ifndef CONFIG_EXAMPLES_NXTEXT_SERVERPRIO +# define CONFIG_EXAMPLES_NXTEXT_SERVERPRIO 120 +# endif +# ifndef CONFIG_EXAMPLES_NXTEXT_NOTIFYSIGNO +# define CONFIG_EXAMPLES_NXTEXT_NOTIFYSIGNO 4 +# endif +#endif + +#define NXEGWINDOW NXWINDOW +#define NXTK_MAXKBDCHARS 16 + +/* Debug ********************************************************************/ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_DEBUG +# define message(...) lib_lowprintf(__VA_ARGS__) +# define msgflush() +# else +# define message(...) printf(__VA_ARGS__) +# define msgflush() fflush(stdout) +# endif +#else +# ifdef CONFIG_DEBUG +# define message lib_lowprintf +# define msgflush() +# else +# define message printf +# define msgflush() fflush(stdout) +# endif +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +enum exitcode_e +{ + NXEXIT_SUCCESS = 0, + NXEXIT_SIGPROCMASK, + NXEXIT_SCHEDSETPARAM, + NXEXIT_EVENTNOTIFY, + NXEXIT_TASKCREATE, + NXEXIT_PTHREADCREATE, + NXEXIT_EXTINITIALIZE, + NXEXIT_FBINITIALIZE, + NXEXIT_FBGETVPLANE, + NXEXIT_LCDINITIALIZE, + NXEXIT_LCDGETDEV, + NXEXIT_NXOPEN, + NXEXIT_NXREQUESTBKGD + NXEXIT_NXOPENTOOLBAR, + NXEXIT_NXCONNECT, + NXEXIT_NXSETBGCOLOR, + NXEXIT_NXOPENWINDOW, + NXEXIT_NXSETSIZE, + NXEXIT_NXSETPOSITION, + NXEXIT_NXLOWER, + NXEXIT_NXRAISE, + NXEXIT_NXCLOSEWINDOW, + NXEXIT_LOSTSERVERCONN +}; + +/* Describes one cached glyph bitmap */ + +struct nxtext_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) */ + FAR uint8_t *bitmap; /* Allocated bitmap memory */ +}; + +/* Describes on character on the display */ + +struct nxtext_bitmap_s +{ + struct nxgl_rect_s bounds; /* Size/position of bitmap */ + FAR const struct nxtext_glyph_s *glyph; /* The cached glyph */ +}; + +/* Describes the state of one text display */ + +struct nxtext_state_s +{ + /* The following describe the window */ + + nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]; /* Window color */ + struct nxgl_size_s wsize, /* Window size */ + + /* These characterize the font in use */ + + nxgl_mxpixel_t fcolor[CONFIG_NX_NPLANES]; /* Font color */ + 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 */ + + /* This is the next display position */ + + struct nxgl_point_s pos; /* Next display position */ + + /* These describe all text already added to the display */ + + uint8_t maxchars; /* Size of the mb array */ + uint8_t maxglyphs; /* Size of the glyph array */ + uint8_t nchars; /* Number of chars already displayed */ + uint8_t nglyphs; /* Number of glyphs cached */ + + FAR struct nxtext_bitmap_s *bm; + FAR struct nxtext_glyph_s *glyph; +}; + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +/* The connecton handler */ + +extern NXHANDLE g_hnx; + +/* NX callback vtables */ + +extern const struct nx_callback_s g_bkgdcb; + +/* The screen resolution */ + +nxgl_coord_t g_xres; +nxgl_coord_t g_yres; + +extern bool b_haveresolution; +#ifdef CONFIG_NX_MULTIUSER +extern bool g_connected; +#endif +extern sem_t g_semevent; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifdef CONFIG_EXAMPLES_NXTEXT_EXTERNINIT +extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno); +#endif +#if defined(CONFIG_NX) && defined(CONFIG_NX_MULTIUSER) +extern int nxtext_server(int argc, char *argv[]); +extern FAR void *nxtext_listener(FAR void *arg); +#endif + +/* Background window interfaces */ + +extern FAR struct nxtext_state_s *nxgb_getstate(void); +extern void nxbg_puts(NXWINDOW hwnd, FAR struct nxtext_state_s *st, + uint8_t nch, FAR const uint8_t *ch) + +/* Pop-up window interfaces */ + +extern NXEGWINDOW nxpu_open(void); + +/* Generic text helpers */ + +extern void nxtext_home(FAR struct nxtext_state_s *st); +extern void nxtext_newline(FAR struct nxtext_state_s *st); +extern void nxtext_putc(NXWINDOW hwnd, FAR struct nxtext_state_s *st, + uint8_t ch); +extern void nxtext_fillchar(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + FAR const struct nxtext_bitmap_s *bm) + +#endif /* __EXAMPLES_NXTEXT_NXTEXT_INTERNAL_H */ diff --git a/apps/examples/nxtext/nxtext_main.c b/apps/examples/nxtext/nxtext_main.c new file mode 100644 index 000000000..9581ddb12 --- /dev/null +++ b/apps/examples/nxtext/nxtext_main.c @@ -0,0 +1,494 @@ +/**************************************************************************** + * examples/nxtext/nxtext_main.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> + +#include <stdint.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <time.h> +#include <string.h> +#include <sched.h> +#include <pthread.h> +#include <errno.h> +#include <debug.h> + +#ifdef CONFIG_NX_LCDDRIVER +# include <nuttx/lcd/lcd.h> +#else +# include <nuttx/fb.h> +#endif + +#include <nuttx/arch.h> +#include <nuttx/nx.h> +#include <nuttx/nxglib.h> +#include <nuttx/nxtk.h> +#include <nuttx/nxfonts.h> + +#include "nxtext_internal.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Configuration ************************************************************/ +/* If not specified, assume that the hardware supports one video plane */ + +#ifndef CONFIG_EXAMPLES_NXTEXT_VPLANE +# define CONFIG_EXAMPLES_NXTEXT_VPLANE 0 +#endif + +/* If not specified, assume that the hardware supports one LCD device */ + +#ifndef CONFIG_EXAMPLES_NXTEXT_DEVNO +# define CONFIG_EXAMPLES_NXTEXT_DEVNO 0 +#endif + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static int g_exitcode = NXEXIT_SUCCESS; + +#ifdef CONFIG_NX_KBD +static const uint8_t g_pumsg[] = "Pop-Up!"; +static const char *g_bkgdmsg[4] = +{ + "Now is the time ", + "for all good men ", + "To come to the aid ", + "of their party " +}; +#endif + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/* The connecton handler */ + +NXHANDLE g_hnx = NULL; + +/* The screen resolution */ + +nxgl_coord_t g_xres; +nxgl_coord_t g_yres; + +bool b_haveresolution = false; +#ifdef CONFIG_NX_MULTIUSER +bool g_connected = false; +#endif +sem_t g_semevent = {0}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxtext_openwindow + ****************************************************************************/ + +static inline NXEGWINDOW nxtext_openwindow(FAR const struct nx_callback_s *cb, + FAR struct nxtext_state_s *state) +{ + NXEGWINDOW hwnd; + + hwnd = nx_openwindow(g_hnx, cb, (FAR void *)state); + if (!hwnd) + { + message("user_start: nx_openwindow failed: %d\n", errno); + g_exitcode = NXEXIT_NXOPENWINDOW; + } + return hwnd; +} + +/**************************************************************************** + * Name: nxtext_closewindow + ****************************************************************************/ + +static inline int nxtext_closewindow(NXEGWINDOW hwnd, FAR struct nxtext_state_s *state) +{ + int ret = nx_closewindow(hwnd); + if (ret < 0) + { + message("user_start: nx_closewindow failed: %d\n", errno); + g_exitcode = NXEXIT_NXCLOSEWINDOW; + } + return ret; +} + +/**************************************************************************** + * Name: nxtext_suinitialize + ****************************************************************************/ + +#ifndef CONFIG_NX_MULTIUSER +static inline int nxtext_suinitialize(void) +{ + FAR NX_DRIVERTYPE *dev; + +#if defined(CONFIG_EXAMPLES_NXTEXT_EXTERNINIT) + /* Use external graphics driver initialization */ + + message("nxtext_initialize: Initializing external graphics device\n"); + dev = up_nxdrvinit(CONFIG_EXAMPLES_NXTEXT_DEVNO); + if (!dev) + { + message("nxtext_initialize: up_nxdrvinit failed, devno=%d\n", CONFIG_EXAMPLES_NXTEXT_DEVNO); + g_exitcode = NXEXIT_EXTINITIALIZE; + return ERROR; + } + +#elif defined(CONFIG_NX_LCDDRIVER) + int ret; + + /* Initialize the LCD device */ + + message("nxtext_initialize: Initializing LCD\n"); + ret = up_lcdinitialize(); + if (ret < 0) + { + message("nxtext_initialize: up_lcdinitialize failed: %d\n", -ret); + g_exitcode = NXEXIT_LCDINITIALIZE; + return ERROR; + } + + /* Get the device instance */ + + dev = up_lcdgetdev(CONFIG_EXAMPLES_NXTEXT_DEVNO); + if (!dev) + { + message("nxtext_initialize: up_lcdgetdev failed, devno=%d\n", CONFIG_EXAMPLES_NXTEXT_DEVNO); + g_exitcode = NXEXIT_LCDGETDEV; + return ERROR; + } + + /* Turn the LCD on at 75% power */ + + (void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4)); +#else + int ret; + + /* Initialize the frame buffer device */ + + message("nxtext_initialize: Initializing framebuffer\n"); + ret = up_fbinitialize(); + if (ret < 0) + { + message("nxtext_initialize: up_fbinitialize failed: %d\n", -ret); + g_exitcode = NXEXIT_FBINITIALIZE; + return ERROR; + } + + dev = up_fbgetvplane(CONFIG_EXAMPLES_NXTEXT_VPLANE); + if (!dev) + { + message("nxtext_initialize: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NXTEXT_VPLANE); + g_exitcode = NXEXIT_FBGETVPLANE; + return ERROR; + } +#endif + + /* Then open NX */ + + message("nxtext_initialize: Open NX\n"); + g_hnx = nx_open(dev); + if (!g_hnx) + { + message("user_start: nx_open failed: %d\n", errno); + g_exitcode = NXEXIT_NXOPEN; + return ERROR; + } + return OK; +} +#endif + +/**************************************************************************** + * Name: nxtext_initialize + ****************************************************************************/ + +#ifdef CONFIG_NX_MULTIUSER +static inline int nxtext_muinitialize(void) +{ + struct sched_param param; + pthread_t thread; + pid_t servrid; + int ret; + + /* Set the client task priority */ + + param.sched_priority = CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO; + ret = sched_setparam(0, ¶m); + if (ret < 0) + { + message("nxtext_initialize: sched_setparam failed: %d\n" , ret); + g_exitcode = NXEXIT_SCHEDSETPARAM; + return ERROR; + } + + /* Start the server task */ + + message("nxtext_initialize: Starting nxtext_server task\n"); + servrid = task_create("NX Server", CONFIG_EXAMPLES_NXTEXT_SERVERPRIO, + CONFIG_EXAMPLES_NXTEXT_STACKSIZE, nxtext_server, NULL); + if (servrid < 0) + { + message("nxtext_initialize: Failed to create nxtext_server task: %d\n", errno); + g_exitcode = NXEXIT_TASKCREATE; + return ERROR; + } + + /* Wait a bit to let the server get started */ + + sleep(1); + + /* Connect to the server */ + + g_hnx = nx_connect(); + if (g_hnx) + { + pthread_attr_t attr; + + /* Start a separate thread to listen for server events. This is probably + * the least efficient way to do this, but it makes this example flow more + * smoothly. + */ + + (void)pthread_attr_init(&attr); + param.sched_priority = CONFIG_EXAMPLES_NXTEXT_LISTENERPRIO; + (void)pthread_attr_setschedparam(&attr, ¶m); + (void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_NXTEXT_STACKSIZE); + + ret = pthread_create(&thread, &attr, nxtext_listener, NULL); + if (ret != 0) + { + printf("nxtext_initialize: pthread_create failed: %d\n", ret); + g_exitcode = NXEXIT_PTHREADCREATE; + return ERROR; + } + + /* Don't return until we are connected to the server */ + + while (!g_connected) + { + /* Wait for the listener thread to wake us up when we really + * are connected. + */ + + (void)sem_wait(&g_semevent); + } + } + else + { + message("nxtext_initialize: nx_connect failed: %d\n", errno); + g_exitcode = NXEXIT_NXCONNECT; + return ERROR; + } + return OK; +} +#endif + +/**************************************************************************** + * Name: nxtext_initialize + ****************************************************************************/ + +static int nxtext_initialize(void) +{ +#ifdef CONFIG_NX_MULTIUSER + return nxtext_muinitialize(); +#else + return nxtext_suinitialize(); +#endif +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: user_start + ****************************************************************************/ + +int user_start(int argc, char *argv[]) +{ + FAR struct nxtext_state_s *bgstate; + NXEGWINDOW hwnd; + nxgl_mxpixel_t color; + int popcnt; + int bkgndx; + int ret; + + /* Seed the random number generator */ + + srand(0x1234); + + /* Initialize NX */ + + ret = nxtext_initialize(); + message("user_start: NX handle=%p\n", g_hnx); + if (!g_hnx || ret < 0) + { + message("user_start: Failed to get NX handle: %d\n", errno); + g_exitcode = NXEXIT_NXOPEN; + goto errout; + } + + /* Set the background to the configured background color */ + + message("user_start: Set background color=%d\n", CONFIG_EXAMPLES_NXTEXT_BGCOLOR); + color = CONFIG_EXAMPLES_NXTEXT_BGCOLOR; + ret = nx_setbgcolor(g_hnx, &color); + if (ret < 0) + { + message("user_start: nx_setbgcolor failed: %d\n", errno); + g_exitcode = NXEXIT_NXSETBGCOLOR; + goto errout_with_nx; + } + + /* Get the background window */ + + bgstate = nxbg_getstate(); + ret = nx_requestbkgd(g_hnx, &g_bgcb, bgstate); + if (ret < 0) + { + message("user_start: nx_setbgcolor failed: %d\n", errno); + g_exitcode = NXEXIT_NXREQUESTBKGD; + goto errout_with_nx; + } + + /* Wait until we have the screen resolution. We'll have this immediately + * unless we are dealing with the NX server. + */ + + while (!b_haveresolution) + { + (void)sem_wait(&g_semevent); + } + message("user_start: Screen resolution (%d,%d)\n", g_xres, g_yres); + + /* Now loop, adding text to the background and periodically presenting + * a pop-up window. + */ + + popcnt = 0; + bkgndx = 0; + for (;;) + { + /* Sleep for one second */ + + sleep(1); + popcnt++; + + /* Each three seconds, create a pop-up window. Destroy the pop-up + * window after two more seconds. + */ + + if (popcnt >= 5) + { + /* Destroy the pop-up window and restart the sequence */ + + message("user_start: Close pop-up\n"); + (void)nxtext_closewindow(hwnd, &g_pustate); + popcnt = 0; + } + else if (popcnt >= 3) + { + /* Create a pop-up window */ + + hwnd = nxpu_open(); + + /* Give keyboard input to the top window */ + +#ifdef CONFIG_NX_KBD + message("user_start: Send keyboard input: %s\n", g_pumsg); + ret = nx_kbdin(g_hnx, strlen((FAR const char *)g_pumsg), g_pumsg); + if (ret < 0) + { + message("user_start: nx_kbdin failed: %d\n", errno); + goto errout_with_hwnd; + } +#endif + } + + /* Give another line of text to the background window. Force this + * text to go the background by calling the kbdin method directly. + */ + + nxbg_puts(g_hnx, strlen(g_bkgdmsg[bkgndx]), g_bkgdmsg[bkgndx], g_bkgdstate); +#endif + } + + /* Close the pop-up window */ + +errout_with_hwnd: + if (popcnt >= 3) + { + message("user_start: Close pop-up\n"); + (void)nxtext_closewindow(hwnd, &g_pustate); + } + +errout_with_bkgd: + (void)nx_releasebkgd(g_hnx); + +errout_with_nx: +#ifdef CONFIG_NX_MULTIUSER + /* Disconnect from the server */ + + message("user_start: Disconnect from the server\n"); + nx_disconnect(g_hnx); +#else + /* Close the server */ + + message("user_start: Close NX\n"); + nx_close(g_hnx); +#endif +errout: + return g_exitcode; +} diff --git a/apps/examples/nxtext/nxtext_popup.c b/apps/examples/nxtext/nxtext_popup.c new file mode 100644 index 000000000..d219ce770 --- /dev/null +++ b/apps/examples/nxtext/nxtext_popup.c @@ -0,0 +1,348 @@ +/**************************************************************************** + * examples/nxtext/nxtext_popup.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <semaphore.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/nx.h> +#include <nuttx/nxtk.h> + +#include "nxtext_internal.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +#define NBM_CACHE 8 +#define NGLYPH_CACHE 8 + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static void nxpu_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + bool morem, FAR void *arg); +static void nxpu_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size, + FAR const struct nxgl_point_s *pos, + FAR const struct nxgl_rect_s *bounds, + FAR void *arg); +#ifdef CONFIG_NX_MOUSE +static void nxpu_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos, + uint8_t buttons, FAR void *arg); +#endif + +#ifdef CONFIG_NX_KBD +static void nxpu_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch, + FAR void *arg) +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const struct nx_callback_s g_pucb = +{ + nxpu_redraw, /* redraw */ + nxpu_position /* position */ +#ifdef CONFIG_NX_MOUSE + , nxpu_mousein /* mousein */ +#endif +#ifdef CONFIG_NX_KBD + , nxpu_kbdin /* my kbdin */ +#endif +}; + +static struct nxtext_state_s g_pustate; +#ifdef CONFIG_NX_KBD +static struct nxtext_bitmap_s g_pubm[NBM_CACHE]; +static struct nxtext_glyph_s g_puglyph[NGLYPH_CACHE]; +#endif + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxpu_setsize + ****************************************************************************/ + +static inline int nxpu_setsize(NXEGWINDOW hwnd, FAR struct nxgl_size_s *size) +{ + int ret = nx_setsize(hwnd, size); + if (ret < 0) + { + message("user_start: nx_setsize failed: %d\n", errno); + g_exitcode = NXEXIT_NXSETSIZE; + } + return ret; +} + +/**************************************************************************** + * Name: nxpu_setposition + ****************************************************************************/ + +static inline int nxpu_setposition(NXEGWINDOW hwnd, FAR struct nxgl_point_s *pos) +{ + int ret = nx_setposition(hwnd, pos); + if (ret < 0) + { + message("user_start: nx_setposition failed: %d\n", errno); + g_exitcode = NXEXIT_NXSETPOSITION; + } + return ret; +} + +/**************************************************************************** + * Name: nxpu_fillwindow + ****************************************************************************/ + +static inline void nxpu_fillwindow(NXEGWINDOW hwnd, + FAR const struct nxgl_rect_s *rect, + FAR struct nxtext_state_s *st) +{ + int ret; + int i; + + ret = nx_fill(hwnd, rect, st->color); + if (ret < 0) + { + message("nxpu_fillwindow: nx_fill failed: %d\n", errno); + } + + /* Fill each character on the display (Only the characters within rect + * will actually be redrawn). + */ + + nxtext_home(st); + for (i = 0; i < st->nchars; i++) + { + nxtext_fillchar(hwnd, rect, &st->bm[i]); + } +} + +/**************************************************************************** + * Name: nxpu_redraw + ****************************************************************************/ + +static void nxpu_redraw(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + bool more, FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxpu_redraw: hwnd=%p rect={(%d,%d),(%d,%d)} more=%s\n", + hwnd, rect->pt1.x, rect->pt1.y, rect->pt2.x, rect->pt2.y, + more ? "true" : "false"); + + nxpu_fillwindow(hwnd, rect, st); +} + +/**************************************************************************** + * Name: nxpu_position + ****************************************************************************/ + +static void nxpu_position(NXEGWINDOW hwnd, FAR const struct nxgl_size_s *size, + FAR const struct nxgl_point_s *pos, + FAR const struct nxgl_rect_s *bounds, + FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + + /* Report the position */ + + message("nxpu_position: hwnd=%p size=(%d,%d) pos=(%d,%d) bounds={(%d,%d),(%d,%d)}\n", + hwnd, size->w, size->h, pos->x, pos->y, + bounds->pt1.x, bounds->pt1.y, bounds->pt2.x, bounds->pt2.y); + + /* Save the window size */ + + st->wsize.w = size->w; + st->wsize.h = size->h; +} + +/**************************************************************************** + * Name: nxpu_mousein + ****************************************************************************/ + +#ifdef CONFIG_NX_MOUSE +static void nxpu_mousein(NXEGWINDOW hwnd, FAR const struct nxgl_point_s *pos, + uint8_t buttons, FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxpu_mousein: hwnd=%p pos=(%d,%d) button=%02x\n", + hwnd, pos->x, pos->y, buttons); +} +#endif + +/**************************************************************************** + * Name: nxpu_puts + ****************************************************************************/ + +static inline void nxpu_puts(NXWINDOW hwnd, FAR struct nxtext_state_s *st, + uint8_t nch, FAR const uint8_t *ch) +{ + nxtext_home(st); + while (nch--) + { + nxtext_putc(hwnd, st, *ch++); + } +} + +/**************************************************************************** + * Name: nxpu_kbdin + ****************************************************************************/ + +#ifdef CONFIG_NX_KBD +static void nxpu_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch, + FAR void *arg) +{ + FAR struct nxtext_state_s *st = (FAR struct nxtext_state_s *)arg; + message("nxpu_kbdin: hwnd=%p nch=%d\n", hwnd, nch); + nxpu_puts(hwnd, st, nch, ch); +} +#endif + +/**************************************************************************** + * Name: nxpu_initstate + ****************************************************************************/ + +static inline void nxpu_initstate(void) +{ +#ifdef CONFIG_NX_KBD + FAR const struct nx_font_s *fontset; +#endif + + /* Initialize the color (used for redrawing the window) */ + + memset(&g_gbstate, 0, sizeof(struct nxtext_state_s)); + g_pustate.wcolor[0] = CONFIG_EXAMPLES_NXTEXT_PUCOLOR; + g_pustate.fcolor[0] = CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR; + + /* Get information about the font set being used and save this in the + * state structure + */ + +#ifdef CONFIG_NX_KBD + fontset = nxf_getfontset(); + g_pustate.fheight = fontset->mxheight; + g_pustate.fwidth = fontset->mxwidth; + g_pustate.spwidth = fontset->spwidth; + + /* Set up the text caches */ + + g_pustate.maxchars = NBM_CACHE; + g_pustate.maxglyphs = NGLYPH_CACHE; + g_pustate.bm = g_pubm; + g_pustate.glyph = g_puglyph; + + /* Set the first display position */ + + nxtext_home(st); +#endif +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxpu_open + ****************************************************************************/ + +NXEGWINDOW nxpu_open(void) +{ + NXEGWINDOW hwnd; + struct nxgl_size_s size; + struct nxgl_point_s pt; + + /* Create a pop-up window */ + + message("user_start: Create pop-up\n"); + nxpu_initstate(); + + hwnd = nx_openwindow(g_hnx, cb, (FAR void *)state); + message("user_start: hwnd=%p\n", hwnd); + + if (!hwnd) + { + message("user_start: nx_openwindow failed: %d\n", errno); + g_exitcode = NXEXIT_NXOPENWINDOW; + goto errout_with_bkgd; + } + + /* Set the size of the pop-up window */ + + size.w = g_xres / 4; + size.h = g_yres / 4; + + message("user_start: Set pop-up size to (%d,%d)\n", size.w, size.h); + ret = nxpu_setsize(hwnd, &g_pustate.size); + if (ret < 0) + { + goto errout_with_hwnd; + } + + /* Set a random position for pop-up */ + + pt.x = ((uint32_t)(g_xres - size.w) * rand()) >> 16; + pt.y = ((uint32_t)(g_yres - size.h) * rand()) >> 16; + + message("user_start: Set pop-up postion to (%d,%d)\n", pt.x, pt.y); + ret = nxpu_setposition(hwnd, &pt); + if (ret < 0) + { + goto errout_with_hwnd; + } + + return hwnd; +} + diff --git a/apps/examples/nxtext/nxtext_putc.c b/apps/examples/nxtext/nxtext_putc.c new file mode 100644 index 000000000..d2035f223 --- /dev/null +++ b/apps/examples/nxtext/nxtext_putc.c @@ -0,0 +1,468 @@ +/**************************************************************************** + * examples/nxtext/nxtext_putc.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <debug.h> +#include <errno.h> + +#include <nuttx/nx.h> +#include <nuttx/nxtk.h> +#include <nuttx/nxfonts.h> + +#include "nxtext_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_EXAMPLES_NXTEXT_BPP == 1 +# define RENDERER nxf_convert_1bpp +#elif CONFIG_EXAMPLES_NXTEXT_BPP == 2 +# define RENDERER nxf_convert_2bpp +#elif CONFIG_EXAMPLES_NXTEXT_BPP == 4 +# define RENDERER nxf_convert_4bpp +#elif CONFIG_EXAMPLES_NXTEXT_BPP == 8 +# define RENDERER nxf_convert_8bpp +#elif CONFIG_EXAMPLES_NXTEXT_BPP == 16 +# define RENDERER nxf_convert_16bpp +#elif CONFIG_EXAMPLES_NXTEXT_BPP == 24 +# define RENDERER nxf_convert_24bpp +#elif CONFIG_EXAMPLES_NXTEXT_BPP == 32 +# define RENDERER nxf_convert_32bpp +#else +# error "Unsupported CONFIG_EXAMPLES_NXTEXT_BPP" +#endif + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxtext_renderglyph + ****************************************************************************/ + +static inline FAR const struct nxtext_glyph_s * +nxtext_renderglyph(FAR struct nxtext_state_s *st, + FAR const struct nx_fontbitmap_s *bm, uint8_t ch) +{ + FAR struct nxtext_glyph_s *glyph = NULL; + FAR nxgl_mxpixel_t *ptr; +#if CONFIG_EXAMPLES_NXTEXT_BPP < 8 + nxgl_mxpixel_t pixel; +#endif + int bmsize; + int row; + int col; + int ret; + + /* Make sure that there is room for another glyph */ + + message("nxtext_renderglyph: ch=%02x\n", ch); + if (st->nglyphs < NXTK_MAXKBDCHARS) + { + /* Allocate the glyph */ + + glyph = &st->glyph[st->nglyphs]; + glyph->code = ch; + + /* Get the dimensions of the glyph */ + + glyph->width = bm->metric.width + bm->metric.xoffset; + glyph->height = bm->metric.height + bm->metric.yoffset; + + /* Allocate memory to hold the glyph with its offsets */ + + glyph->stride = (glyph->width * CONFIG_EXAMPLES_NXTEXT_BPP + 7) / 8; + bmsize = glyph->stride * glyph->height; + glyph->bitmap = (FAR uint8_t *)malloc(bmsize); + + if (glyph->bitmap) + { + /* Initialize the glyph memory to the background color */ + +#if CONFIG_EXAMPLES_NXTEXT_BPP < 8 + pixel = st->wcolor[0]; +# if CONFIG_EXAMPLES_NXTEXT_BPP == 1 + /* Pack 1-bit pixels into a 2-bits */ + + pixel &= 0x01; + pixel = (pixel) << 1 |pixel; +# endif +# if CONFIG_EXAMPLES_NXTEXT_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_EXAMPLES_NXTEXT_BPP == 24 +# error "Additional logic is needed here for 24bpp support" + +#else /* CONFIG_EXAMPLES_NXTEXT_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++ = st->wcolor[0]; + } + } +#endif + + /* Then render the glyph into the allocated memory */ + + ret = RENDERER((FAR nxgl_mxpixel_t*)glyph->bitmap, + glyph->fheight, glyph->width, glyph->stride, + bm, st->fcolor); + if (ret < 0) + { + /* Actually, the RENDERER never returns a failure */ + + message("nxtext_renderglyph: RENDERER failed\n"); + free(glyph->bitmap); + glyph->bitmap = NULL; + glyph = NULL; + } + else + { + /* Make it permanent */ + + st->nglyphs++; + } + } + } + + return glyph; +} + +/**************************************************************************** + * Name: nxtext_addspace + ****************************************************************************/ + +static inline FAR const struct nxtext_glyph_s * +nxtext_addspace(FAR struct nxtext_state_s *st, uint8_t ch) +{ + FAR struct nxtext_glyph_s *glyph = NULL; + + /* Make sure that there is room for another glyph */ + + if (st->nglyphs < NXTK_MAXKBDCHARS) + { + /* Allocate the NULL glyph */ + + glyph = &st->glyph[st->nglyphs]; + memset(glyph, 0, sizeof(struct nxtext_glyph_s)); + + glyph->code = ' '; + glyph->width = st->spwidth; + + st->nglyphs++; + } + return glyph; +} + +/**************************************************************************** + * Name: nxtext_findglyph + ****************************************************************************/ + +static FAR const struct nxtext_glyph_s * +nxtext_findglyph(FAR struct nxtext_state_s *st, uint8_t ch) +{ + int i; + + /* First, try to find the glyph in the cache of pre-rendered glyphs */ + + for (i = 0; i < st->nglyphs; i++) + { + if (st->glyph[i].code == ch) + { + return &st->glyph[i]; + } + } + return NULL; +} + +/**************************************************************************** + * Name: nxtext_getglyph + ****************************************************************************/ + +static FAR const struct nxtext_glyph_s * +nxtext_getglyph(FAR struct nxtext_state_s *st, uint8_t ch) +{ + FAR const struct nxtext_glyph_s *glyph; + FAR const struct nx_fontbitmap_s *bm; + + /* First, try to find the glyph in the cache of pre-rendered glyphs */ + + glyph = nxtext_findglyph(st, ch); + if (!glyph) + { + /* No, it is not cached... Does the code map to a glyph? */ + + bm = nxf_getbitmap(ch); + if (!bm) + { + /* No, there is no glyph for this code. Use space */ + + glyph = nxtext_findglyph(st, ' '); + if (!glyph) + { + /* There isn't fake glyph for ' ' yet... create one */ + + glyph = nxtext_addspace(st, ' '); + } + } + else + { + glyph = nxtext_renderglyph(st, bm, ch); + } + } + return glyph; +} + +/**************************************************************************** + * Name: nxtext_addchar + ****************************************************************************/ + +static FAR const struct nxtext_bitmap_s * +nxtext_addchar(FAR struct nxtext_state_s *st, uint8_t ch) +{ + FAR struct nxtext_bitmap_s *bm = NULL; + FAR struct nxtext_bitmap_s *bmleft; + + /* Is there space for another character on the display? */ + + if (st->nchars < NXTK_MAXKBDCHARS) + { + /* Yes, setup the bitmap */ + + bm = &st->bm[st->nchars]; + + /* Find the matching glyph */ + + bm->glyph = nxtext_getglyph(st, ch); + if (!bm->glyph) + { + return NULL; + } + + /* Set up the bounds for the bitmap */ + + if (st->nchars <= 0) + { + /* The first character is one space from the left */ + + st->pos.x = st->spwidth; + } + else + { + /* Otherwise, it is to the left of the preceding char */ + + bmleft = &st->bm[st->nchars-1]; + st->pos.x = bmleft->bounds.pt2.x + 1; + } + + bm->bounds.pt1.x = st->pos.x; + bm->bounds.pt1.y = st->pos.y; + bm->bounds.pt2.x = st->pos.x + bm->glyph->width - 1; + bm->bounds.pt2.y = st->pos.y + bm->glyph->height - 1; + + st->nchars++; + } + return bm; +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxtext_home + * + * Description: + * Set the next character position to the top-left corner of the display. + * + ****************************************************************************/ + +void nxtext_home(FAR struct nxtext_state_s *st) +{ + /* The first character is one space from the left */ + + st->pox.x = st->spwidth; + + /* And two lines from the top */ + + st->pos.y = 2; +} + +/**************************************************************************** + * Name: nxtext_newline + * + * Description: + * Set the next character position to the beginning of the next line. + * + ****************************************************************************/ + +void nxtext_newline(FAR struct nxtext_state_s *st) +{ + /* Carriage return: The first character is one space from the left */ + + st->pox.x = st->spwidth; + + /* Linefeed: Done the max font height + 2 */ + + st->pos.y += (st->fheight + 2); +} + +/**************************************************************************** + * Name: nxtext_putc + * + * Description: + * Render the specified character at the current display position. + * + ****************************************************************************/ + +void nxtext_putc(NXWINDOW hwnd, FAR struct nxtext_state_s *st, uint8_t ch) +{ + FAR const struct nxtext_bitmap_s *bm; + + /* If it is a newline character, then just perform the logical newline + * operation. + */ + + if (ch == '\n') + { + nxtext_newline(st); + } + + /* Otherwise, find the glyph associated with the character and render it + * onto the display. + */ + + else + { + bm = nxtext_addchar(st, ch); + if (bm) + { + nxtext_fillchar(hwnd, &bm->bounds, bm); + } + } +} + +/**************************************************************************** + * Name: nxtext_fillchar + * + * Description: + * This implements the character display. It is part of the nxtext_putc + * operation but may also be used when redrawing an existing display. + * + ****************************************************************************/ + +void nxtext_fillchar(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect, + FAR const struct nxtext_bitmap_s *bm) +{ + FAR void *src = (FAR void *)bm->glyph->bitmap; + struct nxgl_rect_s intersection; + int ret; + + /* Handle the special case of spaces which have no glyph bitmap */ + + if (src) + { + /* Get the intersection of the redraw region and the character bitmap */ + + nxgl_rectintersect(&intersection, rect, &bm->bounds); + if (!nxgl_nullrect(&intersection)) + { + ret = nx_bitmap((NXWINDOW)hwnd, &intersection, &src, + &bm->bounds.pt1, + (unsigned int)bm->glyph->stride); + if (ret < 0) + { + message("nxtext_fillchar: nx_bitmapwindow failed: %d\n", errno); + } + } + } +} + diff --git a/apps/examples/nxtext/nxtext_server.c b/apps/examples/nxtext/nxtext_server.c new file mode 100644 index 000000000..c3518f6dd --- /dev/null +++ b/apps/examples/nxtext/nxtext_server.c @@ -0,0 +1,194 @@ +/**************************************************************************** + * examples/nxtext/nxtext_server.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sched.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/arch.h> +#include <nuttx/nx.h> + +#ifdef CONFIG_NX_LCDDRIVER +# include <nuttx/lcd/lcd.h> +#else +# include <nuttx/fb.h> +#endif + +#include "nxtext_internal.h" + +#ifdef CONFIG_NX_MULTIUSER + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: nxtext_server + ****************************************************************************/ + +int nxtext_server(int argc, char *argv[]) +{ + FAR NX_DRIVERTYPE *dev; + int ret; + +#if defined(CONFIG_EXAMPLES_NXTEXT_EXTERNINIT) + /* Use external graphics driver initialization */ + + message("nxtext_server: Initializing external graphics device\n"); + dev = up_nxdrvinit(CONFIG_EXAMPLES_NXTEXT_DEVNO); + if (!dev) + { + message("nxtext_server: up_nxdrvinit failed, devno=%d\n", CONFIG_EXAMPLES_NXTEXT_DEVNO); + g_exitcode = NXEXIT_EXTINITIALIZE; + return ERROR; + } + +#elif defined(CONFIG_NX_LCDDRIVER) + /* Initialize the LCD device */ + + message("nxtext_server: Initializing LCD\n"); + ret = up_lcdinitialize(); + if (ret < 0) + { + message("nxtext_server: up_lcdinitialize failed: %d\n", -ret); + return 1; + } + + /* Get the device instance */ + + dev = up_lcdgetdev(CONFIG_EXAMPLES_NXTEXT_DEVNO); + if (!dev) + { + message("nxtext_server: up_lcdgetdev failed, devno=%d\n", CONFIG_EXAMPLES_NXTEXT_DEVNO); + return 2; + } + + /* Turn the LCD on at 75% power */ + + (void)dev->setpower(dev, ((3*CONFIG_LCD_MAXPOWER + 3)/4)); +#else + /* Initialize the frame buffer device */ + + message("nxtext_server: Initializing framebuffer\n"); + ret = up_fbinitialize(); + if (ret < 0) + { + message("nxtext_server: up_fbinitialize failed: %d\n", -ret); + return 1; + } + + dev = up_fbgetvplane(CONFIG_EXAMPLES_NXTEXT_VPLANE); + if (!dev) + { + message("nxtext_server: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NXTEXT_VPLANE); + return 2; + } +#endif + + /* Then start the server */ + + ret = nx_run(dev); + message("nxtext_server: nx_run returned: %d\n", errno); + return 3; +} + +/**************************************************************************** + * Name: nxtext_listener + ****************************************************************************/ + +FAR void *nxtext_listener(FAR void *arg) +{ + int ret; + + /* Process events forever */ + + for (;;) + { + /* Handle the next event. If we were configured blocking, then + * we will stay right here until the next event is received. Since + * we have dedicated a while thread to servicing events, it would + * be most natural to also select CONFIG_NX_BLOCKING -- if not, the + * following would be a tight infinite loop (unless we added addition + * logic with nx_eventnotify and sigwait to pace it). + */ + + ret = nx_eventhandler(g_hnx); + if (ret < 0) + { + /* An error occurred... assume that we have lost connection with + * the server. + */ + + message("nxtext_listener: Lost server connection: %d\n", errno); + exit(NXEXIT_LOSTSERVERCONN); + } + + /* If we received a message, we must be connected */ + + if (!g_connected) + { + g_connected = true; + sem_post(&g_semevent); + message("nxtext_listener: Connected\n"); + } + } +} + +#endif /* CONFIG_NX_MULTIUSER */ |