ksynth 0.18.0

Patch manipulation for Kawai digital synths
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159

//! Data model for the LFO.
//!

use std::fmt;
use std::convert::TryFrom;

use num_enum::TryFromPrimitive;

use crate::{
    SystemExclusiveData,
    ParseError
};
use crate::k5000::{
    LFOSpeed,
    Depth,
    KeyScaling
};

/// LFO waveform type.
#[derive(Debug, Eq, PartialEq, Copy, Clone, TryFromPrimitive, Default)]
#[repr(u8)]
pub enum Waveform {
    #[default]
    Triangle,

    Square,
    Sawtooth,
    Sine,
    Random,
}

impl fmt::Display for Waveform {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", match self {
            Waveform::Triangle => String::from("TRI"),
            Waveform::Square => String::from("SQR"),
            Waveform::Sawtooth => String::from("SAW"),
            Waveform::Sine => String::from("SIN"),
            Waveform::Random => String::from("RND"),
        })
    }
}

/// LFO control settings.
#[derive(Debug)]
pub struct Control {
    pub depth: Depth,
    pub key_scaling: KeyScaling,
}

impl Default for Control {
    fn default() -> Self {
        Control {
            depth: Depth::new(0),
            key_scaling: KeyScaling::new(0),
        }
    }
}

impl fmt::Display for Control {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Depth={} KS={}", self.depth, self.key_scaling)
    }
}

impl SystemExclusiveData for Control {
    fn from_bytes(data: &[u8]) -> Result<Self, ParseError> {
        Ok(Control {
            depth: Depth::from(data[0]),
            key_scaling: KeyScaling::from(data[1]),
        })
    }

    fn to_bytes(&self) -> Vec<u8> {
        vec![self.depth.into(), self.key_scaling.into()]
    }

    fn data_size() -> usize { 2 }
}

/// LFO settings.
#[derive(Debug)]
pub struct Lfo {
    pub waveform: Waveform,
    pub speed: LFOSpeed,
    pub fade_in_time: LFOSpeed,
    pub fade_in_to_speed: Depth,
    pub delay_onset: LFOSpeed,
    pub vibrato: Control,
    pub growl: Control,
    pub tremolo: Control,
}

impl Default for Lfo {
    fn default() -> Self {
        Lfo {
            waveform: Default::default(),
            speed: LFOSpeed::new(0),
            fade_in_time: LFOSpeed::new(0),
            fade_in_to_speed: Depth::new(0),
            delay_onset: LFOSpeed::new(0),
            vibrato: Default::default(),
            growl: Default::default(),
            tremolo: Default::default(),
        }
    }
}

impl fmt::Display for Lfo {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "Waveform={} Speed={} Fade in Time={} Fade in to Speed={}\nDelay Onset={}\nVibrato: {}\nGrowl: {}\nTremolo: {}\n",
            self.waveform, self.speed, self.fade_in_time, self.fade_in_to_speed,
            self.delay_onset, self.vibrato, self.growl, self.tremolo
        )
    }
}

impl SystemExclusiveData for Lfo {
    fn from_bytes(data: &[u8]) -> Result<Self, ParseError> {
        Ok(Lfo {
            waveform: Waveform::try_from(data[0]).unwrap(),
            speed: LFOSpeed::from(data[1]),
            fade_in_time: LFOSpeed::from(data[2]),
            fade_in_to_speed: Depth::from(data[3]),
            delay_onset: LFOSpeed::from(data[4]),
            vibrato: Control {
                depth: Depth::from(data[5]),
                key_scaling: KeyScaling::from(data[6]),
            },
            growl: Control {
                depth: Depth::from(data[7]),
                key_scaling: KeyScaling::from(data[8]),
            },
            tremolo: Control {
                depth: Depth::from(data[9]),
                key_scaling: KeyScaling::from(data[10]),
            },
        })
    }

    fn to_bytes(&self) -> Vec<u8> {
        let mut result: Vec<u8> = Vec::new();

        result.extend(vec![
            self.waveform as u8,
            self.speed.into(),
            self.delay_onset.into(),
            self.fade_in_time.into(),
            self.fade_in_to_speed.into()
        ]);
        result.extend(self.vibrato.to_bytes());
        result.extend(self.growl.to_bytes());
        result.extend(self.tremolo.to_bytes());

        result
    }

    fn data_size() -> usize { 11 }
}