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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-08-03 16:04:48 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2011-08-03 16:04:48 +0000
commit4a934b34d9f91e136d417551111a2c06b1f5c327 (patch)
tree63babfcb60345875f3ae20b676c94761eb47b30a /apps/examples/nxlines
parent0597a9446b75ebcbd07d1503f5b70c50f8e36967 (diff)
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Fix numerous errors in trapezoid rendering and wide line drawing algorithms
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3840 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps/examples/nxlines')
-rw-r--r--apps/examples/nxlines/Makefile105
-rw-r--r--apps/examples/nxlines/nxlines.h173
-rw-r--r--apps/examples/nxlines/nxlines_bkgd.c271
-rw-r--r--apps/examples/nxlines/nxlines_main.c280
4 files changed, 829 insertions, 0 deletions
diff --git a/apps/examples/nxlines/Makefile b/apps/examples/nxlines/Makefile
new file mode 100644
index 000000000..0c865c42d
--- /dev/null
+++ b/apps/examples/nxlines/Makefile
@@ -0,0 +1,105 @@
+############################################################################
+# apps/examples/nxlines/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 = nxlines_main.c nxlines_bkgd.c
+
+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 .
+
+# NXLINES built-in application info
+
+APPNAME = nxlines
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 2048
+
+# Common build
+
+VPATH =
+
+all: .built
+.PHONY: context 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:
+ifeq ($(CONFIG_EXAMPLES_NXLINES_BUILTIN),y)
+ $(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
+ @touch $@
+endif
+
+context: .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/nxlines/nxlines.h b/apps/examples/nxlines/nxlines.h
new file mode 100644
index 000000000..d4b255485
--- /dev/null
+++ b/apps/examples/nxlines/nxlines.h
@@ -0,0 +1,173 @@
+/****************************************************************************
+ * examples/nxlines/nxlines.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 __APPS_EXAMPLES_NXLINES_NXLINES_H
+#define __APPS_EXAMPLES_NXLINES_NXLINES_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <semaphore.h>
+
+#include <nuttx/nx/nxglib.h>
+#include <nuttx/nx/nx.h>
+#include <nuttx/rgbcolors.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_NX
+# error "NX is not enabled (CONFIG_NX)"
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXLINES_VPLANE
+# define CONFIG_EXAMPLES_NXLINES_VPLANE 0
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXLINES_BPP
+# define CONFIG_EXAMPLES_NXLINES_BPP 16
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXLINES_BGCOLOR
+# if CONFIG_EXAMPLES_NXLINES_BPP == 24 || CONFIG_EXAMPLES_NXLINES_BPP == 32
+# define CONFIG_EXAMPLES_NXLINES_BGCOLOR RGB24_DARKGREEN
+# elif CONFIG_EXAMPLES_NXLINES_BPP == 16
+# define CONFIG_EXAMPLES_NXLINES_BGCOLOR RGB16_DARKGREEN
+# else
+# define CONFIG_EXAMPLES_NXLINES_BGCOLOR RGB8_DARKGREEN
+# endif
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXLINES_LINEWIDTH
+# define CONFIG_EXAMPLES_NXLINES_LINEWIDTH 16
+#endif
+
+#ifndef CONFIG_EXAMPLES_NXLINES_LINECOLOR
+# if CONFIG_EXAMPLES_NXLINES_BPP == 24 || CONFIG_EXAMPLES_NXLINES_BPP == 32
+# define CONFIG_EXAMPLES_NXLINES_LINECOLOR RGB24_YELLOW
+# elif CONFIG_EXAMPLES_NXLINES_BPP == 16
+# define CONFIG_EXAMPLES_NXLINES_LINECOLOR RGB16_YELLOW
+# else
+# define CONFIG_EXAMPLES_NXLINES_LINECOLOR RGB8_YELLOW
+# endif
+#endif
+
+/* 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_EXTINITIALIZE,
+ NXEXIT_FBINITIALIZE,
+ NXEXIT_FBGETVPLANE,
+ NXEXIT_LCDINITIALIZE,
+ NXEXIT_LCDGETDEV,
+ NXEXIT_NXOPEN,
+ NXEXIT_NXREQUESTBKGD,
+ NXEXIT_NXSETBGCOLOR
+};
+
+struct nxlines_data_s
+{
+ /* The NX handles */
+
+ NXHANDLE hnx;
+ NXHANDLE hbkgd;
+
+ /* The screen resolution */
+
+ nxgl_coord_t xres;
+ nxgl_coord_t yres;
+
+ volatile bool havepos;
+ sem_t sem;
+ volatile int code;
+};
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/* NXLINES state data */
+
+extern struct nxlines_data_s g_nxlines;
+
+/* NX callback vtables */
+
+extern const struct nx_callback_s g_bgcb;
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef CONFIG_EXAMPLES_NXLINES_EXTERNINIT
+extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno);
+#endif
+
+/* Background window interfaces */
+
+extern void nxlinex_test(NXWINDOW hwnd);
+
+#endif /* __APPS_EXAMPLES_NXLINES_NXLINES_H */
diff --git a/apps/examples/nxlines/nxlines_bkgd.c b/apps/examples/nxlines/nxlines_bkgd.c
new file mode 100644
index 000000000..d7666ee48
--- /dev/null
+++ b/apps/examples/nxlines/nxlines_bkgd.c
@@ -0,0 +1,271 @@
+/****************************************************************************
+ * examples/nxlines/nxlines_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 <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <debug.h>
+#include <fixedmath.h>
+
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxglib.h>
+
+#include "nxlines.h"
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+#ifndef MIN
+# define MIN(a,b) (a < b ? a : b)
+#endif
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static void nxlines_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+ bool morem, FAR void *arg);
+static void nxlines_position(NXWINDOW 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 nxlines_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+ uint8_t buttons, FAR void *arg);
+#endif
+
+#ifdef CONFIG_NX_KBD
+static void nxlines_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
+ FAR void *arg);
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/* Background window call table */
+
+const struct nx_callback_s g_bgcb =
+{
+ nxlines_redraw, /* redraw */
+ nxlines_position /* position */
+#ifdef CONFIG_NX_MOUSE
+ , nxlines_mousein /* mousein */
+#endif
+#ifdef CONFIG_NX_KBD
+ , nxlines_kbdin /* my kbdin */
+#endif
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxlines_redraw
+ ****************************************************************************/
+
+static void nxlines_redraw(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+ bool more, FAR void *arg)
+{
+ gvdbg("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");
+}
+
+/****************************************************************************
+ * Name: nxlines_position
+ ****************************************************************************/
+
+static void nxlines_position(NXWINDOW 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)
+{
+ /* Report the position */
+
+ gvdbg("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 (!g_nxlines.havepos)
+ {
+ /* Save the background window handle */
+
+ g_nxlines.hbkgd = hwnd;
+
+ /* Save the window limits */
+
+ g_nxlines.xres = bounds->pt2.x + 1;
+ g_nxlines.yres = bounds->pt2.y + 1;
+
+ g_nxlines.havepos = true;
+ sem_post(&g_nxlines.sem);
+ gvdbg("Have xres=%d yres=%d\n", g_nxlines.xres, g_nxlines.yres);
+ }
+}
+
+/****************************************************************************
+ * Name: nxlines_mousein
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_MOUSE
+static void nxlines_mousein(NXWINDOW hwnd, FAR const struct nxgl_point_s *pos,
+ uint8_t buttons, FAR void *arg)
+{
+ message("nxlines_mousein: hwnd=%p pos=(%d,%d) button=%02x\n",
+ hwnd, pos->x, pos->y, buttons);
+}
+#endif
+
+/****************************************************************************
+ * Name: nxlines_kbdin
+ ****************************************************************************/
+
+#ifdef CONFIG_NX_KBD
+static void nxlines_kbdin(NXWINDOW hwnd, uint8_t nch, FAR const uint8_t *ch,
+ FAR void *arg)
+{
+ gvdbg("hwnd=%p nch=%d\n", hwnd, nch);
+
+ /* In this example, there is no keyboard so a keyboard event is not
+ * expected.
+ */
+
+ message("nxlines_kbdin: Unexpected keyboard callback\n");
+}
+#endif
+
+ /****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxlinex_test
+ *
+ * Description:
+ * Print "Hello, World!" in the center of the display.
+ *
+ ****************************************************************************/
+
+void nxlinex_test(NXWINDOW hwnd)
+{
+ struct nxgl_vector_s vector;
+ struct nxgl_vector_s previous;
+ nxgl_mxpixel_t color[CONFIG_NX_NPLANES];
+ nxgl_coord_t xcenter;
+ nxgl_coord_t ycenter;
+ nxgl_coord_t radius;
+ nxgl_coord_t halfx;
+ nxgl_coord_t halfy;
+ b16_t angle;
+ int ret;
+
+ /* Get the radius and center of the circle */
+
+ radius = MIN(g_nxlines.yres, g_nxlines.xres) >> 1;
+ xcenter = g_nxlines.xres >> 1;
+ ycenter = g_nxlines.yres >> 1;
+
+ angle = 0;
+ previous.pt1.x = xcenter;
+ previous.pt1.y = ycenter;
+ previous.pt2.x = xcenter;
+ previous.pt2.y = ycenter;
+
+ for (;;)
+ {
+ /* Determine the position of the line on this pass */
+
+ halfx = b16toi(b16muli(b16sin(angle), radius));
+ halfy = b16toi(b16muli(b16cos(angle), radius));
+
+ vector.pt1.x = xcenter + halfx;
+ vector.pt1.y = ycenter + halfy;
+ vector.pt2.x = xcenter - halfx;
+ vector.pt2.y = ycenter - halfy;
+
+ message("Angle: %04x vector: (%d,%d)->(%d,%d)\n",
+ angle, vector.pt1.x, vector.pt1.y, vector.pt2.x, vector.pt2.y);
+
+ /* Clear the previous line */
+
+ color[0] = CONFIG_EXAMPLES_NXLINES_BGCOLOR;
+ ret = nx_drawline((NXWINDOW)hwnd, &previous, CONFIG_EXAMPLES_NXLINES_LINEWIDTH, color);
+ if (ret < 0)
+ {
+ message("nxlinex_test: nx_drawline failed clearing: %d\n", ret);
+ }
+
+ /* Draw the new line */
+
+ color[0] = CONFIG_EXAMPLES_NXLINES_LINECOLOR;
+ ret = nx_drawline((NXWINDOW)hwnd, &vector, CONFIG_EXAMPLES_NXLINES_LINEWIDTH, color);
+ if (ret < 0)
+ {
+ message("nxlinex_test: nx_drawline failed clearing: %d\n", ret);
+ }
+
+ /* Set up for the next time throught the loop then sleep for a bit. */
+
+ angle += b16PI / 16; /* 32 angular positions in full circle */
+ if (angle > (31 * (2 * b16PI) / 16)) /* Wrap back to zero.. allowing for slop */
+ {
+ angle = 0;
+ }
+
+ memcpy(&previous, &vector, sizeof(struct nxgl_vector_s));
+ usleep(500*1000);
+ }
+}
diff --git a/apps/examples/nxlines/nxlines_main.c b/apps/examples/nxlines/nxlines_main.c
new file mode 100644
index 000000000..551642a24
--- /dev/null
+++ b/apps/examples/nxlines/nxlines_main.c
@@ -0,0 +1,280 @@
+/****************************************************************************
+ * examples/nxlines/nxlines_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 <stdio.h>
+#include <unistd.h>
+#include <time.h>
+#include <string.h>
+#include <sched.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/nx.h>
+#include <nuttx/nx/nxglib.h>
+
+#include "nxlines.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+/* If not specified, assume that the hardware supports one video plane */
+
+#ifndef CONFIG_EXAMPLES_NXLINES_VPLANE
+# define CONFIG_EXAMPLES_NXLINES_VPLANE 0
+#endif
+
+/* If not specified, assume that the hardware supports one LCD device */
+
+#ifndef CONFIG_EXAMPLES_NXLINES_DEVNO
+# define CONFIG_EXAMPLES_NXLINES_DEVNO 0
+#endif
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+struct nxlines_data_s g_nxlines =
+{
+ NULL, /* hnx */
+ NULL, /* hbkgd */
+ 0, /* xres */
+ 0, /* yres */
+ false, /* havpos */
+ { 0 }, /* sem */
+ NXEXIT_SUCCESS /* exit code */
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxlines_initialize
+ ****************************************************************************/
+
+static inline int nxlines_initialize(void)
+{
+ FAR NX_DRIVERTYPE *dev;
+
+#if defined(CONFIG_EXAMPLES_NXLINES_EXTERNINIT)
+ /* Use external graphics driver initialization */
+
+ message("nxlines_initialize: Initializing external graphics device\n");
+ dev = up_nxdrvinit(CONFIG_EXAMPLES_NXLINES_DEVNO);
+ if (!dev)
+ {
+ message("nxlines_initialize: up_nxdrvinit failed, devno=%d\n",
+ CONFIG_EXAMPLES_NXLINES_DEVNO);
+ g_nxlines.code = NXEXIT_EXTINITIALIZE;
+ return ERROR;
+ }
+
+#elif defined(CONFIG_NX_LCDDRIVER)
+ int ret;
+
+ /* Initialize the LCD device */
+
+ message("nxlines_initialize: Initializing LCD\n");
+ ret = up_lcdinitialize();
+ if (ret < 0)
+ {
+ message("nxlines_initialize: up_lcdinitialize failed: %d\n", -ret);
+ g_nxlines.code = NXEXIT_LCDINITIALIZE;
+ return ERROR;
+ }
+
+ /* Get the device instance */
+
+ dev = up_lcdgetdev(CONFIG_EXAMPLES_NXLINES_DEVNO);
+ if (!dev)
+ {
+ message("nxlines_initialize: up_lcdgetdev failed, devno=%d\n", CONFIG_EXAMPLES_NXLINES_DEVNO);
+ g_nxlines.code = 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("nxlines_initialize: Initializing framebuffer\n");
+ ret = up_fbinitialize();
+ if (ret < 0)
+ {
+ message("nxlines_initialize: up_fbinitialize failed: %d\n", -ret);
+ g_nxlines.code = NXEXIT_FBINITIALIZE;
+ return ERROR;
+ }
+
+ dev = up_fbgetvplane(CONFIG_EXAMPLES_NXLINES_VPLANE);
+ if (!dev)
+ {
+ message("nxlines_initialize: up_fbgetvplane failed, vplane=%d\n", CONFIG_EXAMPLES_NXLINES_VPLANE);
+ g_nxlines.code = NXEXIT_FBGETVPLANE;
+ return ERROR;
+ }
+#endif
+
+ /* Then open NX */
+
+ message("nxlines_initialize: Open NX\n");
+ g_nxlines.hnx = nx_open(dev);
+ if (!g_nxlines.hnx)
+ {
+ message("nxlines_initialize: nx_open failed: %d\n", errno);
+ g_nxlines.code = NXEXIT_NXOPEN;
+ return ERROR;
+ }
+ return OK;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: user_start/nxlines_main
+ ****************************************************************************/
+
+#ifdef CONFIG_EXAMPLES_NXLINES_BUILTIN
+# define MAIN_NAME nxlines_main
+# define MAIN_NAME_STRING "nxlines_main"
+#else
+# define MAIN_NAME user_start
+# define MAIN_NAME_STRING "user_start"
+#endif
+
+int MAIN_NAME(int argc, char *argv[])
+{
+ nxgl_mxpixel_t color;
+ int ret;
+
+ /* Initialize NX */
+
+ ret = nxlines_initialize();
+ message(MAIN_NAME_STRING ": NX handle=%p\n", g_nxlines.hnx);
+ if (!g_nxlines.hnx || ret < 0)
+ {
+ message(MAIN_NAME_STRING ": Failed to get NX handle: %d\n", errno);
+ g_nxlines.code = NXEXIT_NXOPEN;
+ goto errout;
+ }
+
+ /* Set the background to the configured background color */
+
+ message(MAIN_NAME_STRING ": Set background color=%d\n",
+ CONFIG_EXAMPLES_NXLINES_BGCOLOR);
+
+ color = CONFIG_EXAMPLES_NXLINES_BGCOLOR;
+ ret = nx_setbgcolor(g_nxlines.hnx, &color);
+ if (ret < 0)
+ {
+ message(MAIN_NAME_STRING ": nx_setbgcolor failed: %d\n", errno);
+ g_nxlines.code = NXEXIT_NXSETBGCOLOR;
+ goto errout_with_nx;
+ }
+
+ /* Get the background window */
+
+ ret = nx_requestbkgd(g_nxlines.hnx, &g_bgcb, NULL);
+ if (ret < 0)
+ {
+ message(MAIN_NAME_STRING ": nx_setbgcolor failed: %d\n", errno);
+ g_nxlines.code = 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 (!g_nxlines.havepos)
+ {
+ (void)sem_wait(&g_nxlines.sem);
+ }
+ message(MAIN_NAME_STRING ": Screen resolution (%d,%d)\n", g_nxlines.xres, g_nxlines.yres);
+
+ /* Now, say perform the lines (these test does not return so the remaining
+ * logic is cosmetic).
+ */
+
+ nxlinex_test(g_nxlines.hbkgd);
+
+ /* Release background */
+
+ (void)nx_releasebkgd(g_nxlines.hbkgd);
+
+ /* Close NX */
+
+errout_with_nx:
+ message(MAIN_NAME_STRING ": Close NX\n");
+ nx_close(g_nxlines.hnx);
+errout:
+ return g_nxlines.code;
+}