80 lines
3 KiB
C
80 lines
3 KiB
C
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/********************
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* multi_language.h *
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********************/
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/****************************************************************************
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* Written By Marcio Teixeira 2019 - Aleph Objects, Inc. *
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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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* To view a copy of the GNU General Public License, go to the following *
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* location: <http://www.gnu.org/licenses/>. *
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****************************************************************************/
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#pragma once
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typedef const char Language_Str[];
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#if defined(LCD_LANGUAGE_5)
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#define NUM_LANGUAGES 5
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#elif defined(LCD_LANGUAGE_4)
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#define NUM_LANGUAGES 4
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#elif defined(LCD_LANGUAGE_3)
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#define NUM_LANGUAGES 3
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#elif defined(LCD_LANGUAGE_2)
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#define NUM_LANGUAGES 2
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#else
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#define NUM_LANGUAGES 1
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#endif
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// Setting the unused languages equal to each other allows
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// the compiler to optimize away the conditionals
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#ifndef LCD_LANGUAGE_2
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#define LCD_LANGUAGE_2 LCD_LANGUAGE
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#endif
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#ifndef LCD_LANGUAGE_3
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#define LCD_LANGUAGE_3 LCD_LANGUAGE_2
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#endif
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#ifndef LCD_LANGUAGE_4
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#define LCD_LANGUAGE_4 LCD_LANGUAGE_3
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#endif
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#ifndef LCD_LANGUAGE_5
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#define LCD_LANGUAGE_5 LCD_LANGUAGE_4
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#endif
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#define _GET_LANG(LANG) Language_##LANG
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#define GET_LANG(LANG) _GET_LANG(LANG)
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#if NUM_LANGUAGES > 1
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extern uint8_t lang;
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#define GET_TEXT(MSG) ( \
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lang == 0 ? GET_LANG(LCD_LANGUAGE)::MSG : \
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lang == 1 ? GET_LANG(LCD_LANGUAGE_2)::MSG : \
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lang == 2 ? GET_LANG(LCD_LANGUAGE_3)::MSG : \
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lang == 3 ? GET_LANG(LCD_LANGUAGE_4)::MSG : \
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GET_LANG(LCD_LANGUAGE_5)::MSG \
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)
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#define MAX_LANG_CHARSIZE max(GET_LANG(LCD_LANGUAGE)::CHARSIZE, \
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GET_LANG(LCD_LANGUAGE_2)::CHARSIZE, \
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GET_LANG(LCD_LANGUAGE_3)::CHARSIZE, \
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GET_LANG(LCD_LANGUAGE_4)::CHARSIZE, \
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GET_LANG(LCD_LANGUAGE_5)::CHARSIZE)
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#else
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#define GET_TEXT(MSG) GET_LANG(LCD_LANGUAGE)::MSG
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#define MAX_LANG_CHARSIZE GET_LANG(LCD_LANGUAGE)::CHARSIZE
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#endif
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#define GET_TEXT_F(MSG) (const __FlashStringHelper*)GET_TEXT(MSG)
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#define MSG_CONCAT(A,B) pgm_p_pair_t(GET_TEXT(A),GET_TEXT(B))
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