/****************************************************************************
* apps/examples/nx/nx_main.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <sys/boardctl.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sched.h>
#include <pthread.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/board.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxtk.h>
#include <nuttx/nx/nxfonts.h>
#include "nx_internal.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* If not specified, assume that the hardware supports one video plane */
#ifndef CONFIG_EXAMPLES_NX_VPLANE
# define CONFIG_EXAMPLES_NX_VPLANE 0
#endif
/* If not specified, assume that the hardware supports one LCD device */
#ifndef CONFIG_EXAMPLES_NX_DEVNO
# define CONFIG_EXAMPLES_NX_DEVNO 0
#endif
/****************************************************************************
* Private Data
****************************************************************************/
static int g_exitcode = NXEXIT_SUCCESS;
static struct nxeg_state_s g_wstate[2];
#ifdef CONFIG_NX_KBD
static const uint8_t g_kbdmsg1[] = "NuttX is cool!";
static const uint8_t g_kbdmsg2[] = "NuttX is fun!";
#endif
/* The font handle */
NXHANDLE g_fonthandle;
/****************************************************************************
* Public Data
****************************************************************************/
/* The connection handler */
NXHANDLE g_hnx = NULL;
/* The screen resolution */
nxgl_coord_t g_xres;
nxgl_coord_t g_yres;
bool b_haveresolution = false;
bool g_connected = false;
sem_t g_semevent = {0};
/* Colors used to fill window 1 & 2 */
nxgl_mxpixel_t g_color1[CONFIG_NX_NPLANES];
nxgl_mxpixel_t g_color2[CONFIG_NX_NPLANES];
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
nxgl_mxpixel_t g_tbcolor[CONFIG_NX_NPLANES];
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: nxeg_drivemouse
****************************************************************************/
#ifdef CONFIG_NX_XYINPUT
static void nxeg_drivemouse(void)
{
nxgl_coord_t x;
nxgl_coord_t y;
nxgl_coord_t xstep = g_xres / 8;
nxgl_coord_t ystep = g_yres / 8;
for (x = 0; x < g_xres; x += xstep)
{
for (y = 0; y < g_yres; y += ystep)
{
printf("nxeg_drivemouse: Mouse left button at (%d,%d)\n", x, y);
nx_mousein(g_hnx, x, y, NX_MOUSE_LEFTBUTTON);
}
}
}
#endif
/****************************************************************************
* Name: nxeg_initstate
****************************************************************************/
static void nxeg_initstate(FAR struct nxeg_state_s *st, int wnum,
nxgl_mxpixel_t color)
{
#ifdef CONFIG_NX_KBD
FAR const struct nx_font_s *fontset;
#endif
/* Initialize the window number (used for debug output only) and color
* (used for redrawing the window)
*/
st->wnum = wnum;
st->color[0] = color;
/* Get information about the font set being used and save this in the
* state structure
*/
#ifdef CONFIG_NX_KBD
fontset = nxf_getfontset(g_fonthandle);
st->nchars = 0;
st->nglyphs = 0;
st->height = fontset->mxheight;
st->width = fontset->mxwidth;
st->spwidth = fontset->spwidth;
#endif
}
/****************************************************************************
* Name: nxeg_freestate
****************************************************************************/
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
static void nxeg_freestate(FAR struct nxeg_state_s *st)
{
#ifdef CONFIG_NX_KBD
int i;
if (st)
{
for (i = 0; i < st->nglyphs; i++)
{
if (st->glyph[i].bitmap)
{
free(st->glyph[i].bitmap);
}
st->glyph[i].bitmap = NULL;
}
st->nchars = 0;
}
#endif
}
#endif
/****************************************************************************
* Name: nxeg_openwindow
****************************************************************************/
#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
static inline NXEGWINDOW nxeg_openwindow(FAR const struct nx_callback_s *cb,
FAR struct nxeg_state_s *state)
{
NXEGWINDOW hwnd;
hwnd = nx_openwindow(g_hnx, 0, cb, (FAR void *)state);
if (!hwnd)
{
printf("nxeg_openwindow: nx_openwindow failed: %d\n", errno);
g_exitcode = NXEXIT_NXOPENWINDOW;
}
return hwnd;
}
#else
static inline NXEGWINDOW nxeg_openwindow(FAR const struct nx_callback_s *cb,
FAR struct nxeg_state_s *state)
{
NXEGWINDOW hwnd;
hwnd = nxtk_openwindow(g_hnx, 0, cb, (FAR void *)state);
if (!hwnd)
{
printf("nxeg_openwindow: nxtk_openwindow failed: %d\n", errno);
g_exitcode = NXEXIT_NXOPENWINDOW;
}
return hwnd;
}
#endif
/****************************************************************************
* Name: nxeg_closewindow
****************************************************************************/
#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
static inline int nxeg_closewindow(NXEGWINDOW hwnd, FAR struct nxeg_state_s *state)
{
int ret = nx_closewindow(hwnd);
if (ret < 0)
{
printf("nxeg_closewindow: nx_closewindow failed: %d\n", errno);
g_exitcode = NXEXIT_NXCLOSEWINDOW;
}
return ret;
}
#else
static inline int nxeg_closewindow(NXEGWINDOW hwnd, FAR struct nxeg_state_s *state)
{
int ret = nxtk_closewindow(hwnd);
if (ret < 0)
{
printf("nxeg_closewindow: nxtk_closewindow failed: %d\n", errno);
g_exitcode = NXEXIT_NXCLOSEWINDOW;
}
nxeg_freestate(state);
return ret;
}
#endif
/****************************************************************************
* Name: nxeg_setsize
****************************************************************************/
#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
static inline int nxeg_setsize(NXEGWINDOW hwnd, FAR struct nxgl_size_s *size)
{
int ret = nx_setsize(hwnd, size);
if (ret < 0)
{
printf("nxeg_setsize: nx_setsize failed: %d\n", errno);
g_exitcode = NXEXIT_NXSETSIZE;
}
return ret;
}
#else
static inline int nxeg_setsize(NXEGWINDOW hwnd, FAR struct nxgl_size_s *size)
{
int ret = nxtk_setsize(hwnd, size);
if (ret < 0)
{
printf("nxeg_setsize: nxtk_setsize failed: %d\n", errno);
g_exitcode = NXEXIT_NXSETSIZE;
}
return ret;
}
#endif
/****************************************************************************
* Name: nxeg_setposition
****************************************************************************/
#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
static inline int nxeg_setposition(NXEGWINDOW hwnd, FAR struct nxgl_point_s *pos)
{
int ret = nx_setposition(hwnd, pos);
if (ret < 0)
{
printf("nxeg_setposition: nx_setposition failed: %d\n", errno);
g_exitcode = NXEXIT_NXSETPOSITION;
}
return ret;
}
#else
static inline int nxeg_setposition(NXEGWINDOW hwnd, FAR struct nxgl_point_s *pos)
{
int ret = nxtk_setposition(hwnd, pos);
if (ret < 0)
{
printf("nxeg_setposition: nxtk_setposition failed: %d\n", errno);
g_exitcode = NXEXIT_NXSETPOSITION;
}
return ret;
}
#endif
/****************************************************************************
* Name: nxeq_opentoolbar
****************************************************************************/
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
static inline int nxeq_opentoolbar(NXEGWINDOW hwnd, nxgl_coord_t height,
FAR const struct nx_callback_s *cb,
FAR struct nxeg_state_s *state)
{
int ret;
ret = nxtk_opentoolbar(hwnd, height, cb, (FAR void *)state);
if (ret < 0)
{
printf("nxeq_opentoolbar: nxtk_opentoolbar failed: %d\n", errno);
g_exitcode = NXEXIT_NXOPENTOOLBAR;
}
return ret;
}
#endif
/****************************************************************************
* Name: nxeg_lower
****************************************************************************/
#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
static inline int nxeg_lower(NXEGWINDOW hwnd)
{
int ret = nx_lower(hwnd);
if (ret < 0)
{
printf("nxeg_lower: nx_lower failed: %d\n", errno);
g_exitcode = NXEXIT_NXLOWER;
}
return ret;
}
#else
static inline int nxeg_lower(NXEGWINDOW hwnd)
{
int ret = nxtk_lower(hwnd);
if (ret < 0)
{
printf("nxeg_lower: nxtk_lower failed: %d\n", errno);
g_exitcode = NXEXIT_NXLOWER;
}
return ret;
}
#endif
/****************************************************************************
* Name: nxeg_raise
****************************************************************************/
#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
static inline int nxeg_raise(NXEGWINDOW hwnd)
{
int ret = nx_raise(hwnd);
if (ret < 0)
{
printf("nxeg_raise: nx_raise failed: %d\n", errno);
g_exitcode = NXEXIT_NXRAISE;
}
return ret;
}
#else
static inline int nxeg_raise(NXEGWINDOW hwnd)
{
int ret = nxtk_raise(hwnd);
if (ret < 0)
{
printf("nxeg_raise: nxtk_raise failed: %d\n", errno);
g_exitcode = NXEXIT_NXRAISE;
}
return ret;
}
#endif
/****************************************************************************
* Name: nxeg_initialize
****************************************************************************/
static int nxeg_initialize(void)
{
struct sched_param param;
pthread_t thread;
int ret;
int i;
/* Initialize window colors */
for (i = 0; i < CONFIG_NX_NPLANES; i++)
{
g_color1[i] = CONFIG_EXAMPLES_NX_COLOR1;
g_color2[i] = CONFIG_EXAMPLES_NX_COLOR2;
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
g_tbcolor[i] = CONFIG_EXAMPLES_NX_TBCOLOR;
#endif
}
/* Set the client task priority */
param.sched_priority = CONFIG_EXAMPLES_NX_CLIENTPRIO;
ret = sched_setparam(0, ¶m);
if (ret < 0)
{
printf("nxeg_initialize: sched_setparam failed: %d\n" , ret);
g_exitcode = NXEXIT_SCHEDSETPARAM;
return ERROR;
}
/* Start the NX server kernel thread */
ret = boardctl(BOARDIOC_NX_START, 0);
if (ret < 0)
{
printf("nxeg_initialize: Failed to start the NX server: %d\n", errno);
g_exitcode = NXEXIT_TASKCREATE;
return ERROR;
}
/* Connect to the server */
g_hnx = nx_connect();
if (g_hnx)
{
pthread_attr_t attr;
#ifdef CONFIG_VNCSERVER
/* Setup the VNC server to support keyboard/mouse inputs */
struct boardioc_vncstart_s vnc =
{
0, g_hnx
};
ret = boardctl(BOARDIOC_VNC_START, (uintptr_t)&vnc);
if (ret < 0)
{
printf("boardctl(BOARDIOC_VNC_START) failed: %d\n", ret);
nx_disconnect(g_hnx);
g_exitcode = NXEXIT_FBINITIALIZE;
return ERROR;
}
#endif
/* 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.
*/
pthread_attr_init(&attr);
param.sched_priority = CONFIG_EXAMPLES_NX_LISTENERPRIO;
pthread_attr_setschedparam(&attr, ¶m);
pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_NX_STACKSIZE);
ret = pthread_create(&thread, &attr, nx_listenerthread, NULL);
if (ret != 0)
{
printf("nxeg_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.
*/
sem_wait(&g_semevent);
}
}
else
{
printf("nxeg_initialize: nx_connect failed: %d\n", errno);
g_exitcode = NXEXIT_NXCONNECT;
return ERROR;
}
return OK;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nx_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
NXEGWINDOW hwnd1;
NXEGWINDOW hwnd2;
struct nxgl_size_s size;
struct nxgl_point_s pt;
nxgl_mxpixel_t color;
int ret;
/* Initialize */
ret = nxeg_initialize();
printf("nx_main: NX handle=%p\n", g_hnx);
if (!g_hnx || ret < 0)
{
printf("nx_main: Failed to get NX handle: %d\n", errno);
g_exitcode = NXEXIT_NXOPEN;
goto errout;
}
/* Get the default font handle */
g_fonthandle = nxf_getfonthandle(CONFIG_EXAMPLES_NX_FONTID);
if (!g_fonthandle)
{
printf("nx_main: Failed to get font handle: %d\n", errno);
g_exitcode = NXEXIT_FONTOPEN;
goto errout;
}
/* Set the background to the configured background color */
printf("nx_main: Set background color=%d\n", CONFIG_EXAMPLES_NX_BGCOLOR);
color = CONFIG_EXAMPLES_NX_BGCOLOR;
ret = nx_setbgcolor(g_hnx, &color);
if (ret < 0)
{
printf("nx_main: nx_setbgcolor failed: %d\n", errno);
g_exitcode = NXEXIT_NXSETBGCOLOR;
goto errout_with_nx;
}
/* Create window #1 */
printf("nx_main: Create window #1\n");
nxeg_initstate(&g_wstate[0], 1, CONFIG_EXAMPLES_NX_COLOR1);
hwnd1 = nxeg_openwindow(&g_nxcb, &g_wstate[0]);
printf("nx_main: hwnd1=%p\n", hwnd1);
if (!hwnd1)
{
goto errout_with_nx;
}
/* Wait until we have the screen resolution */
while (!b_haveresolution)
{
sem_wait(&g_semevent);
}
printf("nx_main: Screen resolution (%d,%d)\n", g_xres, g_yres);
/* Set the size of the window 1 */
size.w = g_xres / 2;
size.h = g_yres / 2;
printf("nx_main: Set window #1 size to (%d,%d)\n", size.w, size.h);
ret = nxeg_setsize(hwnd1, &size);
if (ret < 0)
{
goto errout_with_hwnd1;
}
/* Sleep a bit -- both so that we can see the result of the above operations
* but also, in the multi-user case, so that the server can get a chance to
* actually do them!
*/
printf("nx_main: Sleeping\n\n");
sleep(1);
/* Set the position of window #1 */
pt.x = g_xres / 8;
pt.y = g_yres / 8;
printf("nx_main: Set window #1 position to (%d,%d)\n", pt.x, pt.y);
ret = nxeg_setposition(hwnd1, &pt);
if (ret < 0)
{
goto errout_with_hwnd1;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
/* Open the toolbar */
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
printf("nx_main: Add toolbar to window #1\n");
ret = nxeq_opentoolbar(hwnd1, CONFIG_EXAMPLES_NX_TOOLBAR_HEIGHT, &g_tbcb, &g_wstate[0]);
if (ret < 0)
{
goto errout_with_hwnd1;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
#endif
/* Create window #2 */
printf("nx_main: Create window #2\n");
nxeg_initstate(&g_wstate[1], 2, CONFIG_EXAMPLES_NX_COLOR2);
hwnd2 = nxeg_openwindow(&g_nxcb, &g_wstate[1]);
printf("nx_main: hwnd2=%p\n", hwnd2);
if (!hwnd2)
{
goto errout_with_hwnd1;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
/* Set the size of the window 2 == size of window 1*/
printf("nx_main: Set hwnd2 size to (%d,%d)\n", size.w, size.h);
ret = nxeg_setsize(hwnd2, &size);
if (ret < 0)
{
goto errout_with_hwnd2;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
/* Set the position of window #2 */
pt.x = g_xres - size.w - pt.x;
pt.y = g_yres - size.h - pt.y;
printf("nx_main: Set hwnd2 position to (%d,%d)\n", pt.x, pt.y);
ret = nxeg_setposition(hwnd2, &pt);
if (ret < 0)
{
goto errout_with_hwnd2;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
printf("nx_main: Add toolbar to window #2\n");
ret = nxeq_opentoolbar(hwnd2, CONFIG_EXAMPLES_NX_TOOLBAR_HEIGHT, &g_tbcb, &g_wstate[1]);
if (ret < 0)
{
goto errout_with_hwnd2;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
#endif
/* Give keyboard input to the top window -- should be window #2 */
#ifdef CONFIG_NX_KBD
printf("nx_main: Send keyboard input: %s\n", g_kbdmsg1);
ret = nx_kbdin(g_hnx, strlen((FAR const char *)g_kbdmsg1), g_kbdmsg1);
if (ret < 0)
{
printf("nx_main: nx_kbdin failed: %d\n", errno);
goto errout_with_hwnd2;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
#endif
/* Lower window 2 */
printf("nx_main: Lower window #2\n");
ret = nxeg_lower(hwnd2);
if (ret < 0)
{
goto errout_with_hwnd2;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
/* Put mouse left-button clicks all over the screen and see who responds */
#ifdef CONFIG_NX_XYINPUT
nxeg_drivemouse();
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
#endif
/* Give keyboard input to the top window -- should be window #1 */
#ifdef CONFIG_NX_KBD
printf("nx_main: Send keyboard input: %s\n", g_kbdmsg2);
ret = nx_kbdin(g_hnx, strlen((FAR const char *)g_kbdmsg2), g_kbdmsg2);
if (ret < 0)
{
printf("nx_main: nx_kbdin failed: %d\n", errno);
goto errout_with_hwnd2;
}
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(1);
#endif
/* Raise window 2 */
printf("nx_main: Raise window #2\n");
ret = nxeg_raise(hwnd2);
if (ret < 0)
{
goto errout_with_hwnd2;
}
/* Put mouse left-button clicks all over the screen and see who responds */
#ifdef CONFIG_NX_XYINPUT
nxeg_drivemouse();
#endif
/* Sleep a bit */
printf("nx_main: Sleeping\n\n");
sleep(2);
/* Close the window 2 */
errout_with_hwnd2:
printf("nx_main: Close window #2\n");
nxeg_closewindow(hwnd2, &g_wstate[1]);
/* Close the window1 */
errout_with_hwnd1:
printf("nx_main: Close window #1\n");
nxeg_closewindow(hwnd1, &g_wstate[0]);
errout_with_nx:
/* Disconnect from the server */
printf("nx_main: Disconnect from the server\n");
nx_disconnect(g_hnx);
errout:
return g_exitcode;
}