InfiniTime/src/DisplayApp/LittleVgl.cpp
2020-02-10 21:05:33 +01:00

60 lines
1.7 KiB
C++

#include <FreeRTOS.h>
#include <projdefs.h>
#include <task.h>
#include <libs/lvgl/src/lv_core/lv_obj.h>
#include <hal/nrf_rtc.h>
#include <libraries/log/nrf_log.h>
#include <libs/lvgl/src/lv_themes/lv_theme.h>
#include <libs/lvgl/src/lv_themes/lv_theme_night.h>
#include "LittleVgl.h"
using namespace Pinetime::Components;
static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p) {
auto* lvgl = static_cast<LittleVgl*>(disp_drv->user_data);
lvgl->FlushDisplay(area, color_p);
}
LittleVgl::LittleVgl(Pinetime::Drivers::St7789& lcd) : lcd{lcd} {
lv_init();
lv_theme_t* theme = lv_theme_night_init(10, NULL);
lv_theme_set_current(theme);
lv_disp_buf_init(&disp_buf_2, buf2_1, buf2_2, LV_HOR_RES_MAX * 2); /*Initialize the display buffer*/
lv_disp_drv_init(&disp_drv); /*Basic initialization*/
/*Set up the functions to access to your display*/
/*Set the resolution of the display*/
disp_drv.hor_res = 240;
disp_drv.ver_res = 240;
/*Used to copy the buffer's content to the display*/
disp_drv.flush_cb = disp_flush;
/*Set a display buffer*/
disp_drv.buffer = &disp_buf_2;
disp_drv.user_data = this;
/*Finally register the driver*/
lv_disp_drv_register(&disp_drv);
}
void LittleVgl::FlushDisplay(const lv_area_t *area, lv_color_t *color_p) {
auto x = area->x1;
auto y = area->y1;
auto width = (area->x2-area->x1)+1;
auto height = (area->y2-area->y1)+1;
lcd.BeginDrawBuffer(x, y, width, height);
lcd.NextDrawBuffer(reinterpret_cast<const uint8_t *>(color_p), width * height*2) ;
ulTaskNotifyTake(pdTRUE, 500);
/* IMPORTANT!!!
* Inform the graphics library that you are ready with the flushing*/
lv_disp_flush_ready(&disp_drv);
}