262 lines
6.8 KiB
C
262 lines
6.8 KiB
C
/****************************************************************************
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* examples/lvgdemo/lvgldemo.c
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*
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* Copyright (C) 2019 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/boardctl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <pthread.h>
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#include <time.h>
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#include <lvgl/lvgl.h>
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#include "fbdev.h"
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#include "tp.h"
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#include "tp_cal.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Should we perform board-specific driver initialization? There are two
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* ways that board initialization can occur: 1) automatically via
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* board_late_initialize() during bootupif CONFIG_BOARD_LATE_INITIALIZE
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* or 2).
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* via a call to boardctl() if the interface is enabled
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* (CONFIG_LIB_BOARDCTL=y).
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* If this task is running as an NSH built-in application, then that
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* initialization has probably already been performed otherwise we do it
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* here.
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*/
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#undef NEED_BOARDINIT
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#if defined(CONFIG_LIB_BOARDCTL) && !defined(CONFIG_NSH_ARCHINIT)
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# define NEED_BOARDINIT 1
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#endif
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#define DISPLAY_BUFFER_SIZE (CONFIG_LV_HOR_RES * \
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CONFIG_EXAMPLES_LVGLDEMO_BUFF_SIZE)
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/****************************************************************************
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* Public Functions Prototypes
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****************************************************************************/
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void lv_demo_benchmark(void);
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void lv_demo_printer(void);
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void lv_demo_stress(void);
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void lv_demo_widgets(void);
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: tick_func
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*
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* Description:
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* Calls lv_tick_inc(...) every 5ms.
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*
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* Input Parameters:
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* data
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*
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* Returned Value:
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* NULL
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*
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****************************************************************************/
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static FAR void *tick_func(void *data)
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{
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static long last_ms;
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long ms;
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struct timespec spec;
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while (1)
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{
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long diff;
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/* Calculate how much time elapsed */
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clock_gettime(CLOCK_REALTIME, &spec);
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ms = (long)spec.tv_nsec / 1000000;
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diff = ms - last_ms;
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/* Handle overflow */
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if (diff < 0)
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{
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diff = 1000 + diff;
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}
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lv_tick_inc(diff);
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usleep(5000);
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last_ms = ms;
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}
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/* Never will reach here */
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return NULL;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: main or lvgldemo_main
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*
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* Description:
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*
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* Input Parameters:
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* Standard argc and argv
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*
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* Returned Value:
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* Zero on success; a positive, non-zero value on failure.
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*
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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lv_disp_drv_t disp_drv;
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pthread_t tick_thread;
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lv_disp_buf_t disp_buf;
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static lv_color_t buf[DISPLAY_BUFFER_SIZE];
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#ifndef CONFIG_EXAMPLES_LVGLDEMO_CALIBRATE
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lv_point_t p[4];
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/* top left */
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p[0].x = 0;
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p[0].y = 0;
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/* top right */
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p[1].x = LV_HOR_RES;
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p[1].y = 0;
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/* bottom left */
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p[2].x = 0;
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p[2].y = LV_VER_RES;
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/* bottom right */
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p[3].x = LV_HOR_RES;
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p[3].y = LV_VER_RES;
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#endif
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#ifdef NEED_BOARDINIT
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/* Perform board-specific driver initialization */
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boardctl(BOARDIOC_INIT, 0);
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#ifdef CONFIG_BOARDCTL_FINALINIT
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/* Perform architecture-specific final-initialization (if configured) */
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boardctl(BOARDIOC_FINALINIT, 0);
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#endif
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#endif
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/* LittlevGL initialization */
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lv_init();
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/* Display interface initialization */
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fbdev_init();
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/* Basic LittlevGL display driver initialization */
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lv_disp_buf_init(&disp_buf, buf, NULL, DISPLAY_BUFFER_SIZE);
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lv_disp_drv_init(&disp_drv);
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disp_drv.flush_cb = fbdev_flush;
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disp_drv.buffer = &disp_buf;
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lv_disp_drv_register(&disp_drv);
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/* Tick interface initialization */
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pthread_create(&tick_thread, NULL, tick_func, NULL);
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/* Touchpad Initialization */
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tp_init();
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lv_indev_drv_t indev_drv;
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lv_indev_drv_init(&indev_drv);
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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/* This function will be called periodically (by the library) to get the
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* mouse position and state.
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*/
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indev_drv.read_cb = tp_read;
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lv_indev_drv_register(&indev_drv);
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#if defined(CONFIG_EXAMPLES_LVGLDEMO_BENCHMARK)
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lv_demo_benchmark();
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#elif defined(CONFIG_EXAMPLES_LVGLDEMO_PRINTER)
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lv_demo_printer();
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#elif defined(CONFIG_EXAMPLES_LVGLDEMO_STRESS)
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lv_demo_stress();
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#elif defined(CONFIG_EXAMPLES_LVGLDEMO_WIDGETS)
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lv_demo_widgets();
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#endif
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/* Start TP calibration */
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#ifdef CONFIG_EXAMPLES_LVGLDEMO_CALIBRATE
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tp_cal_create();
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#else
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tp_set_cal_values(p, p + 1, p + 2, p + 3);
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#endif
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/* Handle LVGL tasks */
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while (1)
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{
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lv_task_handler();
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usleep(10000);
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}
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return EXIT_SUCCESS;
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}
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