nuttx-apps/examples/lvgldemo/lvgldemo.c

239 lines
6.4 KiB
C
Raw Normal View History

/****************************************************************************
* apps/examples/lvgldemo/lvgldemo.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/boardctl.h>
#include <unistd.h>
#include <stddef.h>
#include <stdlib.h>
#include <time.h>
#include <debug.h>
#include <lvgl/lvgl.h>
#include "fbdev.h"
#include "lcddev.h"
#if defined(CONFIG_INPUT_TOUCHSCREEN) || defined(CONFIG_INPUT_MOUSE)
#include "tp.h"
#include "tp_cal.h"
#endif
/****************************************************************************
* 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 bootupif CONFIG_BOARD_LATE_INITIALIZE
* or 2).
* via a call to boardctl() if the interface is enabled
* (CONFIG_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_BOARDCTL) && !defined(CONFIG_NSH_ARCHINIT)
# define NEED_BOARDINIT 1
#endif
#define DISPLAY_BUFFER_SIZE (CONFIG_LV_HOR_RES * \
CONFIG_EXAMPLES_LVGLDEMO_BUFF_SIZE)
/****************************************************************************
* Public Functions Prototypes
****************************************************************************/
void lv_demo_benchmark(void);
void lv_demo_printer(void);
void lv_demo_stress(void);
void lv_demo_widgets(void);
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: monitor_cb
*
* Description:
* Monitoring callback from lvgl every time the screen is flushed.
*
****************************************************************************/
static void monitor_cb(lv_disp_drv_t * disp_drv, uint32_t time, uint32_t px)
{
ginfo("%" PRIu32 " px refreshed in %" PRIu32 " ms\n", px, time);
}
/****************************************************************************
* Private Data
****************************************************************************/
static lv_color_t buffer1[DISPLAY_BUFFER_SIZE];
#ifdef CONFIG_EXAMPLES_LVGLDEMO_DOUBLE_BUFFERING
static lv_color_t buffer2[DISPLAY_BUFFER_SIZE];
#else
# define buffer2 NULL
#endif
/****************************************************************************
* 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.
*
****************************************************************************/
int main(int argc, FAR char *argv[])
{
lv_disp_drv_t disp_drv;
lv_disp_buf_t disp_buf;
#if defined(CONFIG_INPUT_TOUCHSCREEN) || defined(CONFIG_INPUT_MOUSE)
#ifndef CONFIG_EXAMPLES_LVGLDEMO_CALIBRATE
lv_point_t p[4];
/* top left */
p[0].x = 0;
p[0].y = 0;
/* top right */
p[1].x = LV_HOR_RES;
p[1].y = 0;
/* bottom left */
p[2].x = 0;
p[2].y = LV_VER_RES;
/* bottom right */
p[3].x = LV_HOR_RES;
p[3].y = LV_VER_RES;
#endif
#endif
#ifdef NEED_BOARDINIT
/* Perform board-specific driver initialization */
boardctl(BOARDIOC_INIT, 0);
#ifdef CONFIG_BOARDCTL_FINALINIT
/* Perform architecture-specific final-initialization (if configured) */
boardctl(BOARDIOC_FINALINIT, 0);
#endif
#endif
/* LVGL initialization */
lv_init();
/* Basic LVGL display driver initialization */
lv_disp_buf_init(&disp_buf, buffer1, buffer2, DISPLAY_BUFFER_SIZE);
lv_disp_drv_init(&disp_drv);
disp_drv.buffer = &disp_buf;
disp_drv.monitor_cb = monitor_cb;
/* Display interface initialization */
if (fbdev_init(&disp_drv) != EXIT_SUCCESS)
{
/* Failed to use framebuffer falling back to lcd driver */
if (lcddev_init(&disp_drv) != EXIT_SUCCESS)
{
/* No possible drivers left, fail */
return EXIT_FAILURE;
}
}
lv_disp_drv_register(&disp_drv);
#if defined(CONFIG_INPUT_TOUCHSCREEN) || defined(CONFIG_INPUT_MOUSE)
/* 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_cb = tp_read;
lv_indev_drv_register(&indev_drv);
#endif
#if defined(CONFIG_EXAMPLES_LVGLDEMO_BENCHMARK)
lv_demo_benchmark();
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_PRINTER)
lv_demo_printer();
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_STRESS)
lv_demo_stress();
#elif defined(CONFIG_EXAMPLES_LVGLDEMO_WIDGETS)
lv_demo_widgets();
#endif
#if defined(CONFIG_INPUT_TOUCHSCREEN) || defined(CONFIG_INPUT_MOUSE)
/* Start TP calibration */
#ifdef CONFIG_EXAMPLES_LVGLDEMO_CALIBRATE
tp_cal_create();
#else
tp_set_cal_values(p, p + 1, p + 2, p + 3);
#endif
#endif
/* Handle LVGL tasks */
while (1)
{
lv_task_handler();
usleep(10000);
}
return EXIT_SUCCESS;
}