842aa5a842
Aligns *.h and *.c to underscore naming convention. These were kept (with warnings) for backwards compatibility with external boards/shields: - kscan-mock.h - matrix-transform.h They should be removed in the future. PR: #523
88 lines
2.6 KiB
C
88 lines
2.6 KiB
C
/*
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* Copyright (c) 2020 The ZMK Contributors
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <bluetooth/services/bas.h>
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#include <logging/log.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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#include <zmk/display/widgets/battery_status.h>
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#include <zmk/usb.h>
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#include <zmk/events/usb_conn_state_changed.h>
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#include <zmk/event_manager.h>
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#include <zmk/events/battery_state_changed.h>
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static sys_slist_t widgets = SYS_SLIST_STATIC_INIT(&widgets);
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static lv_style_t label_style;
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static bool style_initialized = false;
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void battery_status_init() {
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if (style_initialized) {
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return;
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}
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style_initialized = true;
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lv_style_init(&label_style);
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lv_style_set_text_color(&label_style, LV_STATE_DEFAULT, LV_COLOR_BLACK);
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lv_style_set_text_font(&label_style, LV_STATE_DEFAULT, &lv_font_montserrat_16);
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lv_style_set_text_letter_space(&label_style, LV_STATE_DEFAULT, 1);
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lv_style_set_text_line_space(&label_style, LV_STATE_DEFAULT, 1);
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}
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void set_battery_symbol(lv_obj_t *label) {
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char text[2] = " ";
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uint8_t level = bt_bas_get_battery_level();
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#if IS_ENABLED(CONFIG_USB)
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if (zmk_usb_is_powered()) {
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strcpy(text, LV_SYMBOL_CHARGE);
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}
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#endif /* IS_ENABLED(CONFIG_USB) */
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if (level > 95) {
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strcat(text, LV_SYMBOL_BATTERY_FULL);
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} else if (level > 65) {
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strcat(text, LV_SYMBOL_BATTERY_3);
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} else if (level > 35) {
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strcat(text, LV_SYMBOL_BATTERY_2);
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} else if (level > 5) {
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strcat(text, LV_SYMBOL_BATTERY_1);
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} else {
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strcat(text, LV_SYMBOL_BATTERY_EMPTY);
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}
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lv_label_set_text(label, text);
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}
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int zmk_widget_battery_status_init(struct zmk_widget_battery_status *widget, lv_obj_t *parent) {
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battery_status_init();
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widget->obj = lv_label_create(parent, NULL);
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lv_obj_add_style(widget->obj, LV_LABEL_PART_MAIN, &label_style);
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lv_obj_set_size(widget->obj, 40, 15);
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set_battery_symbol(widget->obj);
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sys_slist_append(&widgets, &widget->node);
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return 0;
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}
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lv_obj_t *zmk_widget_battery_status_obj(struct zmk_widget_battery_status *widget) {
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LOG_DBG("Label: %p", widget->obj);
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return widget->obj;
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}
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int battery_status_listener(const struct zmk_event_header *eh) {
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struct zmk_widget_battery_status *widget;
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SYS_SLIST_FOR_EACH_CONTAINER(&widgets, widget, node) { set_battery_symbol(widget->obj); }
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return 0;
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}
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ZMK_LISTENER(widget_battery_status, battery_status_listener)
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ZMK_SUBSCRIPTION(widget_battery_status, battery_state_changed);
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#if IS_ENABLED(CONFIG_USB)
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ZMK_SUBSCRIPTION(widget_battery_status, usb_conn_state_changed);
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#endif /* IS_ENABLED(CONFIG_USB) */
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