70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
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#include "HardwareSimulator.hpp"
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#include <unistd.h>
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#include "SDL2/SDL.h"
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#include "display/monitor.h"
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#include "indev/mouse.h"
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#include "indev/mousewheel.h"
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#include "indev/keyboard.h"
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#include "sdl/sdl.h"
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/**
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* A task to measure the elapsed time for LittlevGL
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* @param data unused
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* @return never return
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*/
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static int tick_thread(void * data)
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{
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(void)data;
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while(1) {
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SDL_Delay(5); /*Sleep for 5 millisecond*/
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lv_tick_inc(5); /*Tell LittelvGL that 5 milliseconds were elapsed*/
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}
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return 0;
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}
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void HardwareSimulator::init() {
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lv_init();
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// Workaround for sdl2 `-m32` crash
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// https://bugs.launchpad.net/ubuntu/+source/libsdl2/+bug/1775067/comments/7
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#ifndef WIN32
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setenv("DBUS_FATAL_WARNINGS", "0", 1);
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#endif
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/* Add a display
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* Use the 'monitor' driver which creates window on PC's monitor to simulate a display*/
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static lv_disp_draw_buf_t disp_buf;
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static lv_color_t buf[SDL_HOR_RES * 10]; /*Declare a buffer for 10 lines*/
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lv_disp_draw_buf_init(&disp_buf, buf, NULL, SDL_HOR_RES * 10); /*Initialize the display buffer*/
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static lv_disp_drv_t disp_drv;
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lv_disp_drv_init(&disp_drv); /*Basic initialization*/
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disp_drv.flush_cb = sdl_display_flush; /*Used when `LV_VDB_SIZE != 0` in lv_conf.h (buffered drawing)*/
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disp_drv.draw_buf = &disp_buf;
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disp_drv.hor_res = SDL_HOR_RES;
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disp_drv.ver_res = SDL_VER_RES;
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//disp_drv.disp_fill = monitor_fill; /*Used when `LV_VDB_SIZE == 0` in lv_conf.h (unbuffered drawing)*/
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//disp_drv.disp_map = monitor_map; /*Used when `LV_VDB_SIZE == 0` in lv_conf.h (unbuffered drawing)*/
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lv_disp_drv_register(&disp_drv);
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/* Add the mouse as input device
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* Use the 'mouse' driver which reads the PC's mouse*/
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static lv_indev_drv_t indev_drv;
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lv_indev_drv_init(&indev_drv); /*Basic initialization*/
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indev_drv.type = LV_INDEV_TYPE_POINTER;
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indev_drv.read_cb = sdl_mouse_read; /*This function will be called periodically (by the library) to get the mouse position and state*/
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lv_indev_drv_register(&indev_drv);
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sdl_init();
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/* Tick init.
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* You have to call 'lv_tick_inc()' in periodically to inform LittelvGL about how much time were elapsed
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* Create an SDL thread to do this*/
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SDL_CreateThread(tick_thread, "tick", NULL);
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}
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