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https://github.com/sle118/squeezelite-esp32.git
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58 lines
2.5 KiB
C
58 lines
2.5 KiB
C
/*
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* (c) Philippe G. 2019, philippe_44@outlook.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#define DISPLAY_CLEAR 0x01
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#define DISPLAY_ONLY_EOL 0x02
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#define DISPLAY_UPDATE 0x04
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#define DISPLAY_MONOSPACE 0x08
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// these ones are for 'x' parameter of line() function
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#define DISPLAY_LEFT 0
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#define DISPLAY_RIGHT 0xff00
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#define DISPLAY_CENTER 0xff01
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enum display_pos_e { DISPLAY_TOP_LEFT, DISPLAY_MIDDLE_LEFT, DISPLAY_BOTTOM_LEFT, DISPLAY_CENTERED };
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enum display_font_e { DISPLAY_FONT_DEFAULT,
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DISPLAY_FONT_LINE_1, DISPLAY_FONT_LINE_2, DISPLAY_FONT_SEGMENT,
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DISPLAY_FONT_TINY, DISPLAY_FONT_SMALL, DISPLAY_FONT_MEDIUM, DISPLAY_FONT_LARGE, DISPLAY_FONT_HUGE };
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enum displayer_cmd_e { DISPLAYER_SHUTDOWN, DISPLAYER_ACTIVATE, DISPLAYER_DISABLE, DISPLAYER_TIMER_PAUSE, DISPLAYER_TIMER_RESUME };
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enum displayer_time_e { DISPLAYER_ELAPSED, DISPLAYER_REMAINING };
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// don't change anything there w/o changing all drivers init code
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extern struct display_s {
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int width, height;
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bool (*init)(char *config, char *welcome);
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void (*clear)(void);
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bool (*set_font)(int num, enum display_font_e font, int space);
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void (*on)(bool state);
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void (*brightness)(uint8_t level);
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void (*text)(enum display_font_e font, enum display_pos_e pos, int attribute, char *msg, ...);
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bool (*line)(int num, int x, int attribute, char *text);
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int (*stretch)(int num, char *string, int max);
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void (*update)(void);
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void (*draw)(int x1, int y1, int x2, int y2, bool by_column, uint8_t *data);
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void (*draw_cbr)(uint8_t *data, int height); // height is the # of columns in data, as oppoosed to display height (0 = display height)
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} *display;
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void displayer_scroll(char *string, int speed);
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void displayer_control(enum displayer_cmd_e cmd, ...);
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void displayer_metadata(char *artist, char *album, char *title);
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void displayer_timer(enum displayer_time_e mode, int elapsed, int duration); |