mirror of
https://github.com/italicsjenga/usbd-midi.git
synced 2024-10-17 14:31:31 +11:00
Add ControlFunction struct and add constants to enable pattern matching on CC
This commit is contained in:
Patric Kanngießer
parent
9db505d659
commit
487a379633
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@ -2,8 +2,8 @@ use core::convert::TryFrom;
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use crate::data::byte::from_traits::{FromOverFlow,FromClamped};
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/// A primitive value that can be from 0-0x7F
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#[derive(Debug)]
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pub struct U7(u8);
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#[derive(Debug, Eq, PartialEq)]
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pub struct U7(pub(crate)u8);
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/// Error representing that this value is not a valid u7
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pub struct InvalidU7(u8);
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137
src/data/midi/message/control_function.rs
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137
src/data/midi/message/control_function.rs
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@ -0,0 +1,137 @@
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use crate::data::byte::u7::U7;
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#[derive(Debug, Eq, PartialEq)]
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pub struct ControlFunction(pub U7);
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/// Control Functions as defined in the MIDI 1.0 Specification
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/// Source: https://www.midi.org/specifications-old/item/table-3-control-change-messages-data-bytes-2
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impl ControlFunction {
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pub const BANK_SELECT_0: Self = ControlFunction(U7(0));
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pub const MOD_WHEEL_1: Self = ControlFunction(U7(1));
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pub const BREATH_CONTROLLER_2: Self = ControlFunction(U7(2));
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pub const UNDEFINED_3: Self = ControlFunction(U7(3));
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pub const FOOT_CONTROLLER_4: Self = ControlFunction(U7(4));
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pub const PORTAMENTO_TIME_5: Self = ControlFunction(U7(5));
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pub const DATA_ENTRY_MSB_6: Self = ControlFunction(U7(6));
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pub const CHANNEL_VOLUME_7: Self = ControlFunction(U7(7));
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pub const BALANCE_8: Self = ControlFunction(U7(8));
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pub const UNDEFINED_9: Self = ControlFunction(U7(9));
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pub const PAN_10: Self = ControlFunction(U7(10));
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pub const EXPRESSION_CONTROLLER_11: Self = ControlFunction(U7(11));
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pub const EFFECT_CONTROL_1_12: Self = ControlFunction(U7(12));
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pub const EFFECT_CONTROL_2_13: Self = ControlFunction(U7(13));
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pub const UNDEFINED_14: Self = ControlFunction(U7(14));
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pub const UNDEFINED_15: Self = ControlFunction(U7(15));
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pub const GENERAL_PURPOSE_CONTROLLER_1_16: Self = ControlFunction(U7(16));
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pub const GENERAL_PURPOSE_CONTROLLER_2_17: Self = ControlFunction(U7(17));
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pub const GENERAL_PURPOSE_CONTROLLER_3_18: Self = ControlFunction(U7(18));
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pub const GENERAL_PURPOSE_CONTROLLER_4_19: Self = ControlFunction(U7(19));
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pub const UNDEFINED_20: Self = ControlFunction(U7(20));
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pub const UNDEFINED_21: Self = ControlFunction(U7(21));
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pub const UNDEFINED_22: Self = ControlFunction(U7(22));
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pub const UNDEFINED_23: Self = ControlFunction(U7(23));
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pub const UNDEFINED_24: Self = ControlFunction(U7(24));
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pub const UNDEFINED_25: Self = ControlFunction(U7(25));
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pub const UNDEFINED_26: Self = ControlFunction(U7(26));
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pub const UNDEFINED_27: Self = ControlFunction(U7(27));
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pub const UNDEFINED_28: Self = ControlFunction(U7(28));
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pub const UNDEFINED_29: Self = ControlFunction(U7(29));
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pub const UNDEFINED_30: Self = ControlFunction(U7(30));
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pub const UNDEFINED_31: Self = ControlFunction(U7(31));
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pub const LSB_FOR_BANK_SELECT_32: Self = ControlFunction(U7(32));
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pub const LSB_FOR_MOD_WHEEL_33: Self = ControlFunction(U7(33));
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pub const LSB_FOR_BREATH_CONTROLLER_34: Self = ControlFunction(U7(34));
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pub const LSB_FOR_UNDEFINED_35: Self = ControlFunction(U7(35));
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pub const LSB_FOR_FOOT_CONTROLLER_36: Self = ControlFunction(U7(36));
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pub const LSB_FOR_PORTAMENTO_TIME_37: Self = ControlFunction(U7(37));
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pub const LSB_FOR_DATA_ENTRY_MSB_38: Self = ControlFunction(U7(38));
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pub const LSB_FOR_CHANNEL_VOLUME_39: Self = ControlFunction(U7(39));
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pub const LSB_FOR_BALANCE_40: Self = ControlFunction(U7(40));
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pub const LSB_FOR_UNDEFINED_41: Self = ControlFunction(U7(41));
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pub const LSB_FOR_PAN_42: Self = ControlFunction(U7(42));
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pub const LSB_FOR_EXPRESSION_CONTROLLER_43: Self = ControlFunction(U7(43));
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pub const LSB_FOR_EFFECT_CONTROL_1_44: Self = ControlFunction(U7(44));
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pub const LSB_FOR_EFFECT_CONTROL_2_45: Self = ControlFunction(U7(45));
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pub const LSB_FOR_UNDEFINED_14_46: Self = ControlFunction(U7(46));
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pub const LSB_FOR_UNDEFINED_15_47: Self = ControlFunction(U7(47));
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pub const LSB_FOR_GENERAL_PURPOSE_CONTROLLER_1_48: Self = ControlFunction(U7(48));
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pub const LSB_FOR_GENERAL_PURPOSE_CONTROLLER_2_49: Self = ControlFunction(U7(49));
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pub const LSB_FOR_GENERAL_PURPOSE_CONTROLLER_3_50: Self = ControlFunction(U7(50));
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pub const LSB_FOR_GENERAL_PURPOSE_CONTROLLER_4_51: Self = ControlFunction(U7(51));
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pub const LSB_FOR_UNDEFINED_20_52: Self = ControlFunction(U7(52));
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pub const LSB_FOR_UNDEFINED_21_53: Self = ControlFunction(U7(53));
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pub const LSB_FOR_UNDEFINED_22_54: Self = ControlFunction(U7(54));
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pub const LSB_FOR_UNDEFINED_23_55: Self = ControlFunction(U7(55));
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pub const LSB_FOR_UNDEFINED_24_56: Self = ControlFunction(U7(56));
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pub const LSB_FOR_UNDEFINED_25_57: Self = ControlFunction(U7(57));
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pub const LSB_FOR_UNDEFINED_26_58: Self = ControlFunction(U7(58));
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pub const LSB_FOR_UNDEFINED_27_59: Self = ControlFunction(U7(59));
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pub const LSB_FOR_UNDEFINED_28_60: Self = ControlFunction(U7(60));
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pub const LSB_FOR_UNDEFINED_29_61: Self = ControlFunction(U7(61));
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pub const LSB_FOR_UNDEFINED_30_62: Self = ControlFunction(U7(62));
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pub const LSB_FOR_UNDEFINED_31_63: Self = ControlFunction(U7(63));
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pub const DAMPER_PEDAL_ON_OFF_64: Self = ControlFunction(U7(64));
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pub const PORTAMENTO_ON_OFF_65: Self = ControlFunction(U7(65));
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pub const SOSTENUTO_ON_OFF_66: Self = ControlFunction(U7(66));
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pub const SOFT_PEDAL_ON_OFF_67: Self = ControlFunction(U7(67));
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pub const LEGATO_FOOTSWITCH_68: Self = ControlFunction(U7(68));
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pub const HOLD_2_69: Self = ControlFunction(U7(69));
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pub const SOUND_CONTROLLER_1_70: Self = ControlFunction(U7(70));
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pub const SOUND_CONTROLLER_2_71: Self = ControlFunction(U7(71));
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pub const SOUND_CONTROLLER_3_72: Self = ControlFunction(U7(72));
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pub const SOUND_CONTROLLER_4_73: Self = ControlFunction(U7(73));
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pub const SOUND_CONTROLLER_5_74: Self = ControlFunction(U7(74));
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pub const SOUND_CONTROLLER_6_75: Self = ControlFunction(U7(75));
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pub const SOUND_CONTROLLER_7_76: Self = ControlFunction(U7(76));
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pub const SOUND_CONTROLLER_8_77: Self = ControlFunction(U7(77));
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pub const SOUND_CONTROLLER_9_78: Self = ControlFunction(U7(78));
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pub const SOUND_CONTROLLER_10_79: Self = ControlFunction(U7(79));
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pub const GENERAL_PURPOSE_CONTROLLER_5_80: Self = ControlFunction(U7(80));
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pub const GENERAL_PURPOSE_CONTROLLER_6_81: Self = ControlFunction(U7(81));
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pub const GENERAL_PURPOSE_CONTROLLER_7_82: Self = ControlFunction(U7(82));
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pub const GENERAL_PURPOSE_CONTROLLER_8_83: Self = ControlFunction(U7(83));
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pub const PORTAMENTO_CONTROL_84: Self = ControlFunction(U7(84));
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pub const UNDEFINED_85: Self = ControlFunction(U7(85));
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pub const UNDEFINED_86: Self = ControlFunction(U7(86));
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pub const UNDEFINED_87: Self = ControlFunction(U7(87));
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pub const HIGH_RESOLUTION_VELOCITY_PREFIX_88: Self = ControlFunction(U7(88));
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pub const UNDEFINED_89: Self = ControlFunction(U7(89));
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pub const UNDEFINED_90: Self = ControlFunction(U7(90));
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pub const EFFECTS_1_DEPTH_91: Self = ControlFunction(U7(91));
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pub const EFFECTS_2_DEPTH_92: Self = ControlFunction(U7(92));
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pub const EFFECTS_3_DEPTH_93: Self = ControlFunction(U7(93));
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pub const EFFECTS_4_DEPTH_94: Self = ControlFunction(U7(94));
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pub const EFFECTS_5_DEPTH_95: Self = ControlFunction(U7(95));
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pub const DATA_INCREMENT_96: Self = ControlFunction(U7(96));
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pub const DATA_DECREMENT_97: Self = ControlFunction(U7(97));
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pub const NPRN_LSB_98: Self = ControlFunction(U7(98));
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pub const NPRN_MSB_99: Self = ControlFunction(U7(99));
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pub const RPN_LSB_100: Self = ControlFunction(U7(100));
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pub const UNDEFINED_101: Self = ControlFunction(U7(101));
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pub const UNDEFINED_102: Self = ControlFunction(U7(102));
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pub const UNDEFINED_103: Self = ControlFunction(U7(103));
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pub const UNDEFINED_104: Self = ControlFunction(U7(104));
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pub const UNDEFINED_105: Self = ControlFunction(U7(105));
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pub const UNDEFINED_106: Self = ControlFunction(U7(106));
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pub const UNDEFINED_107: Self = ControlFunction(U7(107));
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pub const UNDEFINED_108: Self = ControlFunction(U7(108));
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pub const UNDEFINED_109: Self = ControlFunction(U7(109));
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pub const UNDEFINED_110: Self = ControlFunction(U7(110));
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pub const UNDEFINED_111: Self = ControlFunction(U7(111));
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pub const UNDEFINED_112: Self = ControlFunction(U7(112));
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pub const UNDEFINED_113: Self = ControlFunction(U7(113));
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pub const UNDEFINED_114: Self = ControlFunction(U7(114));
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pub const UNDEFINED_115: Self = ControlFunction(U7(115));
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pub const UNDEFINED_116: Self = ControlFunction(U7(116));
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pub const UNDEFINED_117: Self = ControlFunction(U7(117));
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pub const UNDEFINED_118: Self = ControlFunction(U7(118));
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pub const UNDEFINED_119: Self = ControlFunction(U7(119));
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pub const ALL_SOUND_OFF_120: Self = ControlFunction(U7(120));
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pub const RESET_ALL_CONTROLLERS_121: Self = ControlFunction(U7(121));
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pub const LOCAL_CONTROL_OFF_122: Self = ControlFunction(U7(122));
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pub const ALL_NOTES_OFF_123: Self = ControlFunction(U7(123));
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pub const OMNI_MODE_OFF_124: Self = ControlFunction(U7(124));
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pub const OMNI_MODE_ON_125: Self = ControlFunction(U7(125));
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pub const MONO_MODE_ON_126: Self = ControlFunction(U7(126));
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pub const POLY_MODE_ON_127: Self = ControlFunction(U7(127));
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}
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@ -6,9 +6,9 @@ use crate::data::midi::message::raw::{Raw,Payload};
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use crate::data::byte::from_traits::FromClamped;
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use core::convert::TryFrom;
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use crate::data::usb_midi::usb_midi_event_packet::MidiPacketParsingError;
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use crate::data::midi::message::control_function::ControlFunction;
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type Velocity = U7;
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type ControllerNumber = U7;
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/// Represents midi messages
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/// Note: not current exhaustive and SysEx messages end up
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@ -22,7 +22,7 @@ pub enum Message {
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ProgramChange(Channel,U7),
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ChannelAftertouch(Channel,U7),
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PitchWheelChange(Channel,U7,U7),
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ControlChange(Channel, ControllerNumber, U7)
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ControlChange(Channel,ControlFunction,U7)
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}
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const NOTE_OFF_MASK :u8 = 0b1000_0000;
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@ -66,8 +66,8 @@ impl From<Message> for Raw {
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let status = PITCH_BEND_MASK | u8::from(chan);
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Raw {status , payload}
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},
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Message::ControlChange(chan, controller_number, value) => {
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let payload = Payload::DoubleByte(controller_number, value);
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Message::ControlChange(chan, control_function, value) => {
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let payload = Payload::DoubleByte(control_function.0, value);
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let status = CONTROL_CHANGE_MASK | u8::from(chan);
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Raw {status, payload}
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}
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@ -91,7 +91,7 @@ impl<'a> TryFrom<&'a [u8]> for Message {
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PROGRAM_MASK => Ok(Message::ProgramChange(channel, get_u7_at(data, 1)?)),
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CHANNEL_AFTERTOUCH_MASK => Ok(Message::ChannelAftertouch(channel, get_u7_at(data, 1)?)),
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PITCH_BEND_MASK => Ok(Message::PitchWheelChange(channel, get_u7_at(data, 1)?, get_u7_at(data, 2)?)),
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CONTROL_CHANGE_MASK => Ok(Message::ControlChange(channel, get_u7_at(data, 1)?, get_u7_at(data, 2)?)),
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CONTROL_CHANGE_MASK => Ok(Message::ControlChange(channel, ControlFunction(get_u7_at(data, 1)?), get_u7_at(data, 2)?)),
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_ => Err(MidiPacketParsingError::InvalidEventType(event_type))
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}
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}
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@ -1,3 +1,4 @@
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pub mod message;
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pub mod raw;
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pub use crate::data::midi::message::message::{Message};
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pub use crate::data::midi::message::message::{Message};
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pub mod control_function;
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@ -22,8 +22,8 @@ impl<'a> Iterator for MidiPacketBufferReader<'a> {
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type Item = Result<UsbMidiEventPacket, MidiPacketParsingError>;
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fn next(&mut self) -> Option<Self::Item> {
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if self.position <= MAX_PACKET_SIZE && self.position < self.raw_bytes_received {
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let packet = match self.buffer.get(self.position .. (self.position + 4)) {
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if self.position <= MAX_PACKET_SIZE && self.position < self.raw_bytes_received {
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let packet = match self.buffer.get(self.position .. (self.position + MIDI_PACKET_SIZE)) {
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Some(packet) => Some(UsbMidiEventPacket::try_from(packet)),
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None => None
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};
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