nuttx-apps/include/audioutils/mml_parser.h

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/****************************************************************************
* apps/include/audioutils/mml_parser.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __APPS_INCLUDE_AUDIOUTILS_MML_PARSER_MML_PARSER_H
#define __APPS_INCLUDE_AUDIOUTILS_MML_PARSER_MML_PARSER_H
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define MML_TYPE_EOF (0)
#define MML_TYPE_NOTE (1)
#define MML_TYPE_REST (2)
#define MML_TYPE_TEMPO (3)
#define MML_TYPE_LENGTH (4)
#define MML_TYPE_OCTAVE (5)
#define MML_TYPE_TUPLETSTART (6)
#define MML_TYPE_TUPLETDONE (7)
#define MML_TYPE_VOLUME (8)
#define MML_TYPE_TONE (9)
#define MML_TYPE_CHORD (10)
#define MML_TYPE_NOTE_ERROR (-MML_TYPE_NOTE)
#define MML_TYPE_REST_ERROR (-MML_TYPE_REST)
#define MML_TYPE_TEMPO_ERROR (-MML_TYPE_TEMPO)
#define MML_TYPE_LENGTH_ERROR (-MML_TYPE_LENGTH)
#define MML_TYPE_OCTAVE_ERROR (-MML_TYPE_OCTAVE)
#define MML_TYPE_VOLUME_ERROR (-MML_TYPE_VOLUME)
#define MML_TYPE_TUPLET_ERROR (-MML_TYPE_TUPLETSTART)
#define MML_TYPE_TONE_ERROR (-MML_TYPE_TONE)
#define MML_TYPE_CHORD_ERROR (-MML_TYPE_CHORD)
#define MML_TYPE_ILLIGAL_COMPOSITION (-100)
#define MML_TYPE_ILLIGAL_TOOMANY_NOTES (-101)
#define MML_TYPE_ILLIGAL_TOOFEW_NOTES (-102)
#define MML_TYPE_ILLIGAL_DOUBLE_TUPLET (-103)
#define MML_STATE_NORMAL (0)
#define MML_STATE_TUPLET (1)
#define MAX_CHORD_NOTES (5)
/****************************************************************************
* Public Types
****************************************************************************/
struct music_macro_lang_s
{
int cur_tempo;
int cur_octave;
int def_length;
int fs;
int state;
int cur_tuplet;
int tuplet_notes;
int tuplet_length;
};
struct mml_result_s
{
int note_idx[MAX_CHORD_NOTES];
int length;
int chord_notes;
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
extern "C"
{
#endif
int init_mml(FAR struct music_macro_lang_s *mml,
int fs, int tempo, int octave, int length);
int parse_mml(FAR struct music_macro_lang_s *mml,
FAR char **score, FAR struct mml_result_s *result);
#ifdef __cplusplus
}
#endif
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#endif /* __APPS_INCLUDE_AUDIOUTILS_MML_PARSER_MML_PARSER_H */