qmk_firmware

keymap.c (1396B)

// Copyright 2022 Jose Pablo Ramirez (@jpe230)
// SPDX-License-Identifier: GPL-2.0-or-later
#include QMK_KEYBOARD_H
#include "qp.h"
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    LAYOUT_ortho_1x1(JS_0)
};
painter_device_t lcd;
void lv_example_arc_2(void);
void keyboard_post_init_user(void) {
    lcd = qp_gc9a01_make_spi_device(240, 240, LCD_CS_PIN, LCD_DC_PIN, LCD_RST_PIN, 4, 0);
    qp_init(lcd, QP_ROTATION_0);
    qp_rect(lcd, 0, 0, 239, 319, 0, 255, 255, true);
    if (qp_lvgl_attach(lcd)) {
        lv_example_arc_2();
    }
}
static void set_angle(void* obj, int32_t v) {
    lv_arc_set_value(obj, v);
}
/**
 * Create an arc which acts as a loader.
 */
void lv_example_arc_2(void) {
    /*Create an Arc*/
    lv_obj_t* arc = lv_arc_create(lv_scr_act());
    lv_arc_set_rotation(arc, 270);
    lv_arc_set_bg_angles(arc, 0, 360);
    lv_obj_remove_style(arc, NULL, LV_PART_KNOB);  /*Be sure the knob is not displayed*/
    lv_obj_clear_flag(arc, LV_OBJ_FLAG_CLICKABLE); /*To not allow adjusting by click*/
    lv_obj_center(arc);
    static lv_anim_t a;
    lv_anim_init(&a);
    lv_anim_set_var(&a, arc);
    lv_anim_set_exec_cb(&a, set_angle);
    lv_anim_set_time(&a, 1000);
    lv_anim_set_repeat_count(&a, LV_ANIM_REPEAT_INFINITE); /*Just for the demo*/
    lv_anim_set_repeat_delay(&a, 500);
    lv_anim_set_values(&a, 0, 100);
    lv_anim_start(&a);
}