nuttx-apps/examples/lvgldemo/lvgldemo.c
Matthew Koch f09bc1a01b Squashed commit of the following:
Add note to file header of MIT-licensed code
    Compat for older kconfig
    Fixup OOB build experience
    Apply coding standards to imported code
    Upgrade littlevgl to 5.3 - demo
    Upgrade littlevgl to 5.3
2019-04-08 06:57:42 -06:00

250 lines
7.0 KiB
C

/****************************************************************************
* examples/lvgdemo/lvgldemo.c
*
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/boardctl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include <time.h>
#include <graphics/lvgl.h>
#include "fbdev.h"
#include "tp.h"
#include "tp_cal.h"
#include "demo.h"
#include "lv_test_theme_1.h"
#include "lv_test_theme_2.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Should we perform board-specific driver initialization? There are two
* ways that board initialization can occur: 1) automatically via
* board_late_initialize() during bootup if CONFIG_BOARD_LATE_INITIALIZE, or 2)
* via a call to boardctl() if the interface is enabled (CONFIG_LIB_BOARDCTL=y).
* If this task is running as an NSH built-in application, then that
* initialization has probably already been performed otherwise we do it
* here.
*/
#undef NEED_BOARDINIT
#if defined(CONFIG_LIB_BOARDCTL) && !defined(CONFIG_BOARD_LATE_INITIALIZE) && \
(!defined(CONFIG_NSH_BUILTIN_APPS) || !defined(CONFIG_NSH_ARCHINIT))
# define NEED_BOARDINIT 1
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: tick_func
*
* Description:
* Calls lv_tick_inc(...) every 5ms.
*
* Input Parameters:
* data
*
* Returned Value:
* NULL
*
****************************************************************************/
static FAR void *tick_func(void *data)
{
static long last_ms;
long ms;
struct timespec spec;
while (1)
{
long diff;
/* Calculate how much time elapsed */
clock_gettime(CLOCK_REALTIME, &spec);
ms = (long)spec.tv_nsec / 1000000;
diff = ms - last_ms;
/* Handle overflow */
if (diff < 0)
{
diff = 1000 + diff;
}
lv_tick_inc(diff);
usleep(5000);
last_ms = ms;
}
/* Never will reach here */
return NULL;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: main or lvgldemo_main
*
* Description:
*
* Input Parameters:
* Standard argc and argv
*
* Returned Value:
* Zero on success; a positive, non-zero value on failure.
*
****************************************************************************/
#ifdef BUILD_MODULE
int main(int argc, FAR char *argv[])
#else
int lvgldemo_main(int argc, char *argv[])
#endif
{
lv_disp_drv_t disp_drv;
pthread_t tick_thread;
#ifdef NEED_BOARDINIT
/* Perform board-specific driver initialization */
(void)boardctl(BOARDIOC_INIT, 0);
#ifdef CONFIG_BOARDCTL_FINALINIT
/* Perform architecture-specific final-initialization (if configured) */
(void)boardctl(BOARDIOC_FINALINIT, 0);
#endif
#endif
/* LittlevGL initialization */
lv_init();
/* Display interface initialization */
fbdev_init();
/* Basic LittlevGL display driver initialization */
lv_disp_drv_init(&disp_drv);
disp_drv.disp_flush = fbdev_flush;
lv_disp_drv_register(&disp_drv);
/* Tick interface initialization */
pthread_create(&tick_thread, NULL, tick_func, NULL);
/* Touchpad Initialization */
tp_init();
lv_indev_drv_t indev_drv;
lv_indev_drv_init(&indev_drv);
indev_drv.type = LV_INDEV_TYPE_POINTER;
/* This function will be called periodically (by the library) to get the
* mouse position and state.
*/
indev_drv.read = tp_read;
lv_indev_drv_register(&indev_drv);
/* Demo initialization */
#if defined(CONFIG_EXAMPLES_LVGLDEMO_SIMPLE)
demo_create();
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1)
lv_theme_t *theme = NULL;
#if defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1_DEFAULT)
theme = lv_theme_default_init(EXAMPLES_LVGLDEMO_THEME_1_HUE, NULL);
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1_ALIEN)
theme = lv_theme_alien_init(EXAMPLES_LVGLDEMO_THEME_1_HUE, NULL);
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1_NIGHT)
theme = lv_theme_night_init(EXAMPLES_LVGLDEMO_THEME_1_HUE, NULL);
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1_MONO)
theme = lv_theme_mono_init(EXAMPLES_LVGLDEMO_THEME_1_HUE, NULL);
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1_MATERIAL)
theme = lv_theme_material_init(EXAMPLES_LVGLDEMO_THEME_1_HUE, NULL);
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1_ZEN)
theme = lv_theme_zen_init(EXAMPLES_LVGLDEMO_THEME_1_HUE, NULL);
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_1_NEMO)
theme = lv_theme_nemo_init(EXAMPLES_LVGLDEMO_THEME_1_HUE, NULL);
#else
# error "No theme selected for this application"
#endif
lv_test_theme_1(theme);
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_THEME_2)
lv_test_theme_2();
#else
# error "No LVGL demo selected"
#endif
/* Start TP calibration */
tp_cal_create();
/* Handle LittlevGL tasks */
while (1)
{
lv_task_handler();
usleep(10000);
}
return EXIT_SUCCESS;
}