@ -29,11 +29,15 @@
# include <ArduinoJson.h>
# include <Audio.h>
# include "config.h"
# include "drums.h"
extern uint8_t num_drums ;
extern drum_config_t drum_config [ DRUM_MAX_INSTRUMENTS ] ;
void read_drum_config ( void )
{
File json ;
DynamicJsonDocument drums_json ( 4096 ) ;
AudioNoInterrupts ( ) ;
if ( SD . exists ( " /DRM/CFGDrums.json " ) )
@ -44,18 +48,210 @@ void read_drum_config(void)
json = SD . open ( " /DRM/CFGDrums.json " ) ;
if ( json )
{
DynamicJsonDocument drums_json ( 5000 ) ;
deserializeJson ( drums_json , json ) ;
json . close ( ) ;
num_drums = drums_json . size ( ) ;
# ifdef DEBUG
Serial . println ( " Drums: " ) ;
serializeJsonPretty ( drums_json , Serial ) ;
Serial . println ( ) ;
Serial . print ( F ( " Drum Objects: " ) ) ;
Serial . println ( drums_json [ " drums " ] . size ( ) ) ;
Serial . println ( num_drums ) ;
if ( num_drums > DRUM_MAX_INSTRUMENTS )
Serial . println ( F ( " *** Maximum number of drum samples exceeded! *** " ) ) ;
//Serial.println(F("Drum Configuration:"));
//serializeJsonPretty(drums_json, Serial);
//Serial.println();
# endif
json . close ( ) ;
num_drums = constrain ( num_drums , 0 , DRUM_MAX_INSTRUMENTS ) ;
}
}
AudioInterrupts ( ) ;
uint8_t drum = 0 ;
JsonObject root = drums_json [ " drums " ] . as < JsonObject > ( ) ;
for ( JsonPair kv : root )
{
sprintf ( drum_config [ drum ] . filename , " /drm/%s.wav " , kv . key ( ) . c_str ( ) ) ;
if ( ! SD . exists ( drum_config [ drum ] . filename ) )
{
# ifdef DEBUG
Serial . print ( F ( " Cannot find WAV file [ " ) ) ;
Serial . print ( drum_config [ drum ] . filename ) ;
Serial . println ( F ( " ] " ) ) ;
# endif
continue ;
}
JsonObject drum_root = drums_json [ " drums " ] [ kv . key ( ) . c_str ( ) ] . as < JsonObject > ( ) ;
for ( JsonPair drum_kv : drum_root )
{
if ( strcmp ( drum_kv . key ( ) . c_str ( ) , " drum_class " ) = = 0 )
{
if ( drum_kv . value ( ) . is < const char * > ( ) )
{
if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_NONE " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_NONE ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_BASS " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_BASS ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_SNARE " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_SNARE ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_HIHAT " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_HIHAT ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_HANDCLAP " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_HANDCLAP ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_RIDE " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_RIDE ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_CHRASH " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_CHRASH ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_LOWTOM " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_LOWTOM ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_MIDTOM " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_MIDTOM ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_HIGHTOM " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_HIGHTOM ;
else if ( strcmp ( drum_kv . value ( ) . as < const char * > ( ) , " DRUM_PERCUSSION " ) = = 0 )
drum_config [ drum ] . drum_class = DRUM_PERCUSSION ;
}
}
else if ( strcmp ( drum_kv . key ( ) . c_str ( ) , " midinote " ) = = 0 )
{
if ( drum_kv . value ( ) . is < const char * > ( ) )
{
uint8_t note_number = 0 ;
uint8_t oct = 0 ;
char midi_note [ 4 ] ;
strcpy ( midi_note , drum_kv . value ( ) . as < const char * > ( ) ) ;
switch ( midi_note [ 0 ] )
{
case ' A ' :
if ( midi_note [ 1 ] = = ' # ' )
{
note_number = 1 ;
oct = midi_note [ 2 ] - 48 ;
}
else
{
note_number = 0 ;
oct = midi_note [ 1 ] - 48 ;
}
break ;
case ' B ' :
note_number = 2 ;
oct = midi_note [ 1 ] - 48 ;
break ;
case ' C ' :
if ( midi_note [ 1 ] = = ' # ' )
{
note_number = 4 ;
oct = midi_note [ 2 ] - 48 ;
}
else
{
note_number = 3 ;
oct = midi_note [ 1 ] - 48 ;
}
break ;
case ' D ' :
if ( midi_note [ 1 ] = = ' # ' )
{
note_number = 6 ;
oct = midi_note [ 2 ] - 48 ;
}
else
{
note_number = 5 ;
oct = midi_note [ 1 ] - 48 ;
}
break ;
case ' E ' :
note_number = 7 ;
oct = midi_note [ 1 ] - 48 ;
break ;
case ' F ' :
if ( midi_note [ 1 ] = = ' # ' )
{
note_number = 9 ;
oct = midi_note [ 2 ] - 48 ;
}
else
{
note_number = 8 ;
oct = midi_note [ 1 ] - 48 ;
}
break ;
case ' G ' :
if ( midi_note [ 1 ] = = ' # ' )
{
note_number = 11 ;
oct = midi_note [ 2 ] - 48 ;
}
else
{
note_number = 10 ;
oct = midi_note [ 1 ] - 48 ;
}
break ;
}
drum_config [ drum ] . midinote = note_number + 9 + ( oct * 12 ) ;
}
}
else if ( strcmp ( drum_kv . key ( ) . c_str ( ) , " shortname " ) = = 0 )
{
memset ( drum_config [ drum ] . shortname , 0 , 2 ) ;
if ( drum_kv . value ( ) . is < const char * > ( ) )
drum_config [ drum ] . shortname [ 0 ] = drum_kv . value ( ) . as < const char * > ( ) [ 0 ] ;
}
else if ( strcmp ( drum_kv . key ( ) . c_str ( ) , " pan " ) = = 0 )
{
if ( drum_kv . value ( ) . is < float > ( ) )
drum_config [ drum ] . pan = drum_kv . value ( ) . as < float > ( ) ;
if ( drum_kv . value ( ) . is < int > ( ) )
drum_config [ drum ] . pan = float ( drum_kv . value ( ) . as < int > ( ) ) ;
}
else if ( strcmp ( drum_kv . key ( ) . c_str ( ) , " vol_max " ) = = 0 )
{
if ( drum_kv . value ( ) . is < float > ( ) )
drum_config [ drum ] . vol_max = drum_kv . value ( ) . as < float > ( ) ;
if ( drum_kv . value ( ) . is < int > ( ) )
drum_config [ drum ] . vol_max = float ( drum_kv . value ( ) . as < int > ( ) ) ;
}
else if ( strcmp ( drum_kv . key ( ) . c_str ( ) , " vol_min " ) = = 0 )
{
if ( drum_kv . value ( ) . is < float > ( ) )
drum_config [ drum ] . vol_min = drum_kv . value ( ) . as < float > ( ) ;
if ( drum_kv . value ( ) . is < int > ( ) )
drum_config [ drum ] . vol_min = float ( drum_kv . value ( ) . as < int > ( ) ) ;
}
else if ( strcmp ( drum_kv . key ( ) . c_str ( ) , " reverb_send " ) = = 0 )
{
if ( drum_kv . value ( ) . is < float > ( ) )
drum_config [ drum ] . reverb_send = drum_kv . value ( ) . as < float > ( ) ;
if ( drum_kv . value ( ) . is < int > ( ) )
drum_config [ drum ] . reverb_send = float ( drum_kv . value ( ) . as < int > ( ) ) ;
}
}
# ifdef DEBUG
Serial . print ( F ( " [Drum " ) ) ;
Serial . print ( drum , DEC ) ;
Serial . println ( F ( " ] " ) ) ;
Serial . print ( F ( " drum_class= " ) ) ;
Serial . println ( drum_config [ drum ] . drum_class , DEC ) ;
Serial . print ( F ( " midinote= " ) ) ;
Serial . println ( drum_config [ drum ] . midinote , DEC ) ;
Serial . print ( F ( " filename= " ) ) ;
Serial . println ( drum_config [ drum ] . filename ) ;
Serial . print ( F ( " shortname= " ) ) ;
Serial . println ( drum_config [ drum ] . shortname ) ;
Serial . print ( F ( " pan= " ) ) ;
Serial . println ( drum_config [ drum ] . pan ) ;
Serial . print ( F ( " vol_max= " ) ) ;
Serial . println ( drum_config [ drum ] . vol_max ) ;
Serial . print ( F ( " vol_min= " ) ) ;
Serial . println ( drum_config [ drum ] . vol_min ) ;
Serial . print ( F ( " reverb_send= " ) ) ;
Serial . println ( drum_config [ drum ] . reverb_send ) ;
# endif
drum + + ;
}
}
Holger Wirtz
4 years ago