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