From 4a934b34d9f91e136d417551111a2c06b1f5c327 Mon Sep 17 00:00:00 2001 From: patacongo Date: Wed, 3 Aug 2011 16:04:48 +0000 Subject: 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 --- apps/examples/nxlines/Makefile | 105 +++++++++++++ apps/examples/nxlines/nxlines.h | 173 ++++++++++++++++++++++ apps/examples/nxlines/nxlines_bkgd.c | 271 +++++++++++++++++++++++++++++++++ apps/examples/nxlines/nxlines_main.c | 280 +++++++++++++++++++++++++++++++++++ 4 files changed, 829 insertions(+) create mode 100644 apps/examples/nxlines/Makefile create mode 100644 apps/examples/nxlines/nxlines.h create mode 100644 apps/examples/nxlines/nxlines_bkgd.c create mode 100644 apps/examples/nxlines/nxlines_main.c (limited to 'apps/examples/nxlines') 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 +# +# 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 + * + * 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 + +#include +#include +#include + +#include +#include +#include + +/**************************************************************************** + * 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 + * + * 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 + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#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 + * + * 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 + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_NX_LCDDRIVER +# include +#else +# include +#endif + +#include +#include +#include + +#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; +} -- cgit v1.2.3