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//! Documents referred to in this module: //! * [MIDI 1.0]: The Complete MIDI 1.0 Detailed Specification, Third Edition (1996) //! * [GM1]: General MIDI System Level 1 //! * [GM2]: General MIDI 2, version 1.2a //! * [RP-015]: Recommended Practice (RP-015): Response to Reset All Controllers //! * [RP-018]: Recommended Practice (RP-018): Response to Data Inc/Dec Controllers //! * [RP-021]: Recommended Practice (RP-021): Sound Controller Defaults (Revised) //! * [RP-023]: Recommended Practice (RP-023): Renaming of CC91 and CC93 //! * [CA-026]: CC #88 High Resolution Velocity Prefix (CA-031) //! * [CA-031]: RPN05 Modulation Depth Range use crate::byte::U7; /// A Control Change signal. The names of each variant of the constants /// are from the 1997 MIDI 1.0 specification. The names and description /// reflect the standard assignment and behavior for each CC number, /// though manufacturers may ignore some controllers or use non-standard /// mappings. MIDI devices should provide a controller allocation table /// as part of their user manual. /// /// * 0 - 31: Continuous Controller Data (MSB) /// * 32 - 63: Continuous Controller Data (LSB) /// * 64 - 119: Single-byte controllers /// * 120 - 127: Channel mode messages /// /// Setting the MSB on a continous controller resets the LSB to zero. /// The LSB can be omitted afterwards if the finer resolution is not needed. /// /// Channel mode messages affect the entire instrument and /// are only valid when sent over the instrument's "basic channel". #[derive(Copy, Clone, Debug, Hash, Eq, PartialEq, PartialOrd, Ord)] pub struct ControlFunction(pub U7); impl ControlFunction { pub const MIN: ControlFunction = ControlFunction(U7::MIN); pub const MAX: ControlFunction = ControlFunction(U7::MAX); /// [MIDI 1.0] Specifies which program bank to use when changing program. /// The MSB and LSB are always sent as a pair, immediately followed /// by a program change. pub const BANK_SELECT: ControlFunction = ControlFunction(U7(0)); /// Either known as Modulation Wheel (MIDI 1.0 and GM1) or Modulation Depth (GM2) /// /// [GM1] "For all instruments, the Modulation Wheel will change the nature of the sound /// in the most natural (expected) way. i.e. depth of LFO; change of timbre; /// add more tine sound; etc.)" /// /// [GM2] Specifies the vibrato (LFO pitch modulation) depth to use for that channel. /// The depth response ranges from 0 cents (no modulation) to the value of /// RPN 05.00 "Modulation Depth Range", following a curve that is linear in cents. pub const MODULATION_WHEEL: ControlFunction = ControlFunction(U7(1)); /// *Effect was never standardized* pub const BREATH_CONTROLLER: ControlFunction = ControlFunction(U7(2)); pub const UNDEFINED_3: ControlFunction = ControlFunction(U7(3)); /// *Effect was never standardized* pub const FOOT_CONTROLLER: ControlFunction = ControlFunction(U7(4)); /// [MIDI 1.0] Specifies the pitch increment speed for the portamento effect. /// The relation between the parameter value and the speed in cents per ms /// is outside the MIDI specification. pub const PORTAMENTO_TIME: ControlFunction = ControlFunction(U7(5)); /// [MIDI 1.0] Sets the value of the last selected RPN/NRPN. pub const DATA_ENTRY_MSB: ControlFunction = ControlFunction(U7(6)); /// [MIDI 1.0] Specifies the mixing volume for that channel. /// /// [GM1] The gain in dB should be equivalent to `L = 40 * log10(cc7/127)`. pub const CHANNEL_VOLUME: ControlFunction = ControlFunction(U7(7)); /// [MIDI 1.0] Specifies the volume balance for that channel. /// Center is 64, left/bottom is 0 and right/top is 127. pub const BALANCE: ControlFunction = ControlFunction(U7(8)); pub const UNDEFINED_9: ControlFunction = ControlFunction(U7(9)); /// [MIDI 1.0] Specifies the sound location (in stereo) balance for that channel. /// Center is 64, left is 0 and right is 127. pub const PAN: ControlFunction = ControlFunction(U7(10)); /// [MIDI 1.0] Specifies the volume accent for that channel. /// Unlike ChannelVolume (7), this one is meant to change during performance /// to create diminuendos and crescendos. /// /// [GM1] The gain in dB should be equivalent to /// `L = 40 * log10(cc7/127) + 40 * log10(cc11/127)`. pub const EXPRESSION_CONTROLLER: ControlFunction = ControlFunction(U7(11)); pub const EFFECT_CONTROL_1: ControlFunction = ControlFunction(U7(12)); pub const EFFECT_CONTROL_2: ControlFunction = ControlFunction(U7(13)); pub const UNDEFINED_14: ControlFunction = ControlFunction(U7(14)); pub const UNDEFINED_15: ControlFunction = ControlFunction(U7(15)); /// [MIDI 1.0] 2 bytes general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_1: ControlFunction = ControlFunction(U7(16)); /// [MIDI 1.0] 2 bytes general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_2: ControlFunction = ControlFunction(U7(17)); /// [MIDI 1.0] 2 bytes general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_3: ControlFunction = ControlFunction(U7(18)); /// [MIDI 1.0] 2 bytes general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_4: ControlFunction = ControlFunction(U7(19)); pub const UNDEFINED_20: ControlFunction = ControlFunction(U7(20)); pub const UNDEFINED_21: ControlFunction = ControlFunction(U7(21)); pub const UNDEFINED_22: ControlFunction = ControlFunction(U7(22)); pub const UNDEFINED_23: ControlFunction = ControlFunction(U7(23)); pub const UNDEFINED_24: ControlFunction = ControlFunction(U7(24)); pub const UNDEFINED_25: ControlFunction = ControlFunction(U7(25)); pub const UNDEFINED_26: ControlFunction = ControlFunction(U7(26)); pub const UNDEFINED_27: ControlFunction = ControlFunction(U7(27)); pub const UNDEFINED_28: ControlFunction = ControlFunction(U7(28)); pub const UNDEFINED_29: ControlFunction = ControlFunction(U7(29)); pub const UNDEFINED_30: ControlFunction = ControlFunction(U7(30)); pub const UNDEFINED_31: ControlFunction = ControlFunction(U7(31)); pub const BANK_SELECT_LSB: ControlFunction = ControlFunction(U7(32)); pub const MODULATION_WHEEL_LSB: ControlFunction = ControlFunction(U7(33)); pub const BREATH_CONTROLLER_LSB: ControlFunction = ControlFunction(U7(34)); pub const UNDEFINED_3_LSB: ControlFunction = ControlFunction(U7(35)); pub const FOOT_CONTROLLER_LSB: ControlFunction = ControlFunction(U7(36)); pub const PORTAMENTO_TIME_LSB: ControlFunction = ControlFunction(U7(37)); /// [MIDI 1.0] Sets the value of the last selected RPN/NRPN pub const DATA_ENTRY_LSB: ControlFunction = ControlFunction(U7(38)); pub const CHANNEL_VOLUME_LSB: ControlFunction = ControlFunction(U7(39)); pub const BALANCE_LSB: ControlFunction = ControlFunction(U7(40)); pub const UNDEFINED_9_LSB: ControlFunction = ControlFunction(U7(41)); pub const PAN_LSB: ControlFunction = ControlFunction(U7(42)); pub const EXPRESSION_CONTROLLER_LSB: ControlFunction = ControlFunction(U7(43)); pub const EFFECT_CONTROL_1_LSB: ControlFunction = ControlFunction(U7(44)); pub const EFFECT_CONTROL_2_LSB: ControlFunction = ControlFunction(U7(45)); pub const UNDEFINED_14_LSB: ControlFunction = ControlFunction(U7(46)); pub const UNDEFINED_15_LSB: ControlFunction = ControlFunction(U7(47)); pub const GENERAL_PURPOSE_CONTROLLER_1_LSB: ControlFunction = ControlFunction(U7(48)); pub const GENERAL_PURPOSE_CONTROLLER_2_LSB: ControlFunction = ControlFunction(U7(49)); pub const GENERAL_PURPOSE_CONTROLLER_3_LSB: ControlFunction = ControlFunction(U7(50)); pub const GENERAL_PURPOSE_CONTROLLER_4_LSB: ControlFunction = ControlFunction(U7(51)); pub const UNDEFINED_20_LSB: ControlFunction = ControlFunction(U7(52)); pub const UNDEFINED_21_LSB: ControlFunction = ControlFunction(U7(53)); pub const UNDEFINED_22_LSB: ControlFunction = ControlFunction(U7(54)); pub const UNDEFINED_23_LSB: ControlFunction = ControlFunction(U7(55)); pub const UNDEFINED_24_LSB: ControlFunction = ControlFunction(U7(56)); pub const UNDEFINED_25_LSB: ControlFunction = ControlFunction(U7(57)); pub const UNDEFINED_26_LSB: ControlFunction = ControlFunction(U7(58)); pub const UNDEFINED_27_LSB: ControlFunction = ControlFunction(U7(59)); pub const UNDEFINED_28_LSB: ControlFunction = ControlFunction(U7(60)); pub const UNDEFINED_29_LSB: ControlFunction = ControlFunction(U7(61)); pub const UNDEFINED_30_LSB: ControlFunction = ControlFunction(U7(62)); pub const UNDEFINED_31_LSB: ControlFunction = ControlFunction(U7(63)); /// Either known as the Hold, Sustain or Damper pedal. /// /// [MIDI 1.0] Response to NoteOff and AllNotesOff should be delayed while /// this switch is on (value >= 64) until it transitions to off. /// /// [GM2] May be treated as a continuous controller instead of a switch /// for the "Half Damper" and "re-damper" effects. pub const DAMPER_PEDAL: ControlFunction = ControlFunction(U7(64)); /// [MIDI 1.0] Turns the Portamento effect on (value >= 64) or off. pub const PORTAMENTO_ON_OFF: ControlFunction = ControlFunction(U7(65)); /// [MIDI 1.0] Same as DamperPedal (64), but only affects the notes being held /// **while** the switch transitions to on (value >= 64). Any note played /// while the switch is already on behaves as normal. pub const SOSTENUTO: ControlFunction = ControlFunction(U7(66)); /// [GM2] Notes played while this switch is on (value >= 64) should be /// played at a reduced volume. pub const SOFT_PEDAL: ControlFunction = ControlFunction(U7(67)); /// [MIDI 1.0] This switch turns on (value >= 64) the monophonic legato response /// mode for that channel, where recieving a NoteOn while a note is already /// playing will change the pitch of the current note accordingly (without /// replaying the attack or re-attacking the enveloppes). pub const LEGATO_FOOTSWITCH: ControlFunction = ControlFunction(U7(68)); /// [MIDI 1.0] Additionnal controller for hold functions that don't match /// the specified definition of DamperPedal (64). pub const HOLD_2: ControlFunction = ControlFunction(U7(69)); /// [MIDI 1.0] Remappable Sound Controller, Default Name: "Sound Variation" pub const SOUND_CONTROLLER_1: ControlFunction = ControlFunction(U7(70)); /// [MIDI 1.0] Remappable Sound Controller, Default Name: "Timbre/Harmonic Intensity" /// /// [GM2] Sets the strength of the resonance effect for filter(s) for the specified Channel. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_2: ControlFunction = ControlFunction(U7(71)); /// [MIDI 1.0] Remappable Sound Controller, Default Name: "Release Time" /// /// [GM2] Controls the release time of the envelope for the specified Channel. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_3: ControlFunction = ControlFunction(U7(72)); /// [MIDI 1.0] Remappable Sound Controller, Default Name: "Attack Time" /// /// [GM2] Controls the attack time of the envelope for the specified Channel. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_4: ControlFunction = ControlFunction(U7(73)); /// [MIDI 1.0] Remappable Sound Controller, Default Name: "Brightness" /// /// [GM2] Controls the preset cut-off frequency of the filter. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_5: ControlFunction = ControlFunction(U7(74)); /// [RP-021] Remappable Sound Controller, Default Name: "Decay Time" /// /// [GM2] Controls the decay time of the envelope for the specified Channel. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_6: ControlFunction = ControlFunction(U7(75)); /// [RP-021] Remappable Sound Controller, Default Name: "Vibrato Rate" /// /// [GM2] Controls the vibrato rate on the specified Channel relative to the sound's preset rate. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_7: ControlFunction = ControlFunction(U7(76)); /// [RP-021] Remappable Sound Controller, Default Name: "Vibrato Depth" /// /// [GM2] Controls the vibrato depth for the specified Channel. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_8: ControlFunction = ControlFunction(U7(77)); /// [RP-021] Remappable Sound Controller, Default Name: "Vibrato Delay" /// /// [GM2] Controls the vibrato delay on the specified Channel. /// Exact behavior is left to the manufacturer's discretion. pub const SOUND_CONTROLLER_9: ControlFunction = ControlFunction(U7(78)); /// [MIDI 1.0] Remappable Sound Controller, no default pub const SOUND_CONTROLLER_10: ControlFunction = ControlFunction(U7(79)); /// [MIDI 1.0] 1 byte general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_5: ControlFunction = ControlFunction(U7(80)); /// [MIDI 1.0] 1 byte general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_6: ControlFunction = ControlFunction(U7(81)); /// [MIDI 1.0] 1 byte general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_7: ControlFunction = ControlFunction(U7(82)); /// [MIDI 1.0] 1 byte general-purpose controller for device-specific features. pub const GENERAL_PURPOSE_CONTROLLER_8: ControlFunction = ControlFunction(U7(83)); /// [MIDI 1.0] Specifies the starting MIDI note from which the next NoteOn will slide. pub const PORTAMENTO_CONTROL: ControlFunction = ControlFunction(U7(84)); pub const UNDEFINED_85: ControlFunction = ControlFunction(U7(85)); pub const UNDEFINED_86: ControlFunction = ControlFunction(U7(86)); pub const UNDEFINED_87: ControlFunction = ControlFunction(U7(87)); /// [CA-031] High Resolution Velocity Prefix /// /// If sent before a NoteOn message, the value of this controller /// acts as an LSB for the velocity of that note. pub const UNDEFINED_88: ControlFunction = ControlFunction(U7(88)); pub const UNDEFINED_89: ControlFunction = ControlFunction(U7(89)); pub const UNDEFINED_90: ControlFunction = ControlFunction(U7(90)); /// [MIDI 1.0] General-purpose effect depth Controller (default: "External Effects Depth") /// /// [RP-023] No-longer general-purpose, renamed to "Reverb Send Level" /// /// [GM2] Specifies the Reverb Send Level for that channel, linearly from 0% to 100% of amplitude. pub const EFFECTS_1_DEPTH: ControlFunction = ControlFunction(U7(91)); /// [MIDI 1.0] General-purpose effect depth Controller (default: "Tremolo Depth") pub const EFFECTS_2_DEPTH: ControlFunction = ControlFunction(U7(92)); /// [MIDI 1.0] General-purpose effect depth Controller (default: "Chorus Depth") /// /// [RP-023] No-longer general-purpose, renamed to "Chorus Send Level" /// /// [GM2] Specifies the Chorus Send Level for that channel, linearly from 0% to 100% of amplitude. pub const EFFECTS_3_DEPTH: ControlFunction = ControlFunction(U7(93)); /// [MIDI 1.0] General-purpose effect depth Controller (default: "Celeste (Detune) Depth") pub const EFFECTS_4_DEPTH: ControlFunction = ControlFunction(U7(94)); /// [MIDI 1.0] General-purpose effect depth Controller (default: "Phaser Depth") pub const EFFECTS_5_DEPTH: ControlFunction = ControlFunction(U7(95)); /// [RP-018] Increments the value of a RPN/NRPN by 1, regardless of the value byte. /// The actual behavior depends on the parameter. pub const DATA_INCREMENT: ControlFunction = ControlFunction(U7(96)); /// [RP-018] Decrements the value of a RPN/NRPN by 1, regardless of the value byte. /// The actual behavior depends on the parameter. pub const DATA_DECREMENT: ControlFunction = ControlFunction(U7(97)); /// [MIDI 1.0] Selects a parameter to be modified by DataIncrement (96), /// DataDecrement (97) and DataEntry (6 & 38). Unlike RPNs, NRPNs are /// manufacturer-specific. pub const NON_REGISTERED_PARAMETER_NUMBER_LSB: ControlFunction = ControlFunction(U7(98)); pub const NON_REGISTERED_PARAMETER_NUMBER_MSB: ControlFunction = ControlFunction(U7(99)); /// [MIDI 1.0] Selects a parameter to be modified by DataIncrement (96), /// DataDecrement (97) and DataEntry (6 & 38). /// /// ###### [MIDI 1.0] `MSB=00` `LSB=00`: Pitch Bend Sensitivity /// Specifies the range of the pitch bender (both up and down), /// with the MSB value being in semitones and the LSB in cents. /// /// [RP-018] Incrementing/decrementing this parameter changes the LSB, /// which wraps into the MSB at 100 cents to change it by one semitone. /// /// ###### [MIDI 1.0] `MSB=00` `LSB=01`: (Channel) Fine Tuning /// Specifies the note displacement from A440 in 8192ths of 100 cents, /// with `0x40 0x00` acting as zero, `0x00 0x00` as -8192 (-100 cents) /// and `0x7F 0x7F` as +8191 (almost +100 cents). /// /// [RP-018] Incrementing/decrementing this parameter changes the LSB by 1. /// /// ###### [MIDI 1.0] `MSB=00` `LSB=02`: (Channel) Coarse Tuning /// Specifies the note displacement from A440 in increments of 100 cents /// for the MSB, (the LSB is ignored), with `0x40` acting as zero, /// `0x00` as -64 (-64 semitones) and `0x7F` as +63 (+63 semitones). /// /// [RP-018] Incrementing/decrementing this parameter changes the MSB by 1. /// /// ###### [CA-026] `MSB=00` `LSB=05`: Modulation Depth Range /// [GM2] Specifies the peak value of ModulationWheel (1), with the MSB /// value being in semitones and the LSB being in 128ths of 100 cents. /// /// [CA-026] Incrementing/decrementing this parameter changes the LSB by 1. /// /// ###### [GM2] `MSB=7F` `LSB=7F`: RPN NULL /// This RPN is invalid, data entry will be ignored while this parameter /// is selected. pub const REGISTERED_PARAMETER_NUMBER_LSB: ControlFunction = ControlFunction(U7(100)); pub const REGISTERED_PARAMETER_NUMBER_MSB: ControlFunction = ControlFunction(U7(101)); pub const UNDEFINED_102: ControlFunction = ControlFunction(U7(102)); pub const UNDEFINED_103: ControlFunction = ControlFunction(U7(103)); pub const UNDEFINED_104: ControlFunction = ControlFunction(U7(104)); pub const UNDEFINED_105: ControlFunction = ControlFunction(U7(105)); pub const UNDEFINED_106: ControlFunction = ControlFunction(U7(106)); pub const UNDEFINED_107: ControlFunction = ControlFunction(U7(107)); pub const UNDEFINED_108: ControlFunction = ControlFunction(U7(108)); pub const UNDEFINED_109: ControlFunction = ControlFunction(U7(109)); pub const UNDEFINED_110: ControlFunction = ControlFunction(U7(110)); pub const UNDEFINED_111: ControlFunction = ControlFunction(U7(111)); pub const UNDEFINED_112: ControlFunction = ControlFunction(U7(112)); pub const UNDEFINED_113: ControlFunction = ControlFunction(U7(113)); pub const UNDEFINED_114: ControlFunction = ControlFunction(U7(114)); pub const UNDEFINED_115: ControlFunction = ControlFunction(U7(115)); pub const UNDEFINED_116: ControlFunction = ControlFunction(U7(116)); pub const UNDEFINED_117: ControlFunction = ControlFunction(U7(117)); pub const UNDEFINED_118: ControlFunction = ControlFunction(U7(118)); pub const UNDEFINED_119: ControlFunction = ControlFunction(U7(119)); /// [MIDI 1.0] Indicates that the reciever should immediately silence (without /// going through the release phase and ignoring sustain) all notes currently /// sounding on that channel. May also be used to turn off lights. pub const ALL_SOUND_OFF: ControlFunction = ControlFunction(U7(120)); /// [MIDI 1.0] Indicates that all controllers (including pitch bend and /// pressure) should be reset to an ideal initial state. This message /// is ignored if the device is in Omni mode (mode 1 or 2). /// /// [RP-015] Indicates that the following controllers should be reset as such: /// specified channel: /// * Modulation (cc1): Set to 0 /// * Expression (cc11): Set to 127 /// * DamperPedal (cc64): Set to 0 /// * PortamentoOnOff (cc65): Set to 0 /// * Sostenuto (cc66): Set to 0 /// * SoftPedal (cc67): Set to 0 /// * NRPN (cc98 & cc99): Set to NULL NRPN (`0x7F 0x7F`) /// * RPN (cc100 & cc101): Set to NULL RPN (`0x7F 0x7F`) /// /// Also reset the following for the specified channel: /// * Reset pitch-bend to center (`0x40 0x00`) /// * Reset channel pressure to 0 /// * Reset polyphonic pressure of all notes to 0 pub const RESET_ALL_CONTROLLERS: ControlFunction = ControlFunction(U7(121)); /// [MIDI 1.0] Specifies whether the instrument should react to notes being /// physically played on it (0: ControlFunction = off, 127 = on), as opposed to notes /// sent via MIDI-in. pub const LOCAL_CONTROL: ControlFunction = ControlFunction(U7(122)); /// [MIDI 1.0] Ignored in Omni mode (mode 1 & 2). In Poly operation (mode 3), /// acts as a NoteOff for all notes playing on the instrument's basic channel /// (it is ignored for all other channels). In Mono operation (mode 4), /// acts as a NoteOff for all notes playing on the specified channel. In all cases, /// notes being played on the instrument itself should remain unaffected. /// /// [GM2] Turns off all Notes sounding on the specified Channel. pub const ALL_NOTES_OFF: ControlFunction = ControlFunction(U7(123)); /// [MIDI 1.0] Same as AllNotesOff (123), then set reciever to mode 1 (omni-on, poly) /// or 2 (omni-on, mono) based on the current mode. /// /// [GM2] Same as AllNotesOff (123), since GM2 does not support Omni mode. pub const OMNI_MODE_ON: ControlFunction = ControlFunction(U7(124)); /// [MIDI 1.0] Same as AllNotesOff (123), then set reciever to mode 3 (omni-off, poly) /// or 4 (omni-off, mono) based on the current mode. /// /// [GM2] Same as AllNotesOff (123), since GM2 does not support Omni mode. pub const OMNI_MODE_OFF: ControlFunction = ControlFunction(U7(125)); /// [MIDI 1.0] Same as AllNotesOff (123), then set reciever to mode 2 (omni-on, mono) /// or 4 (omni-off, mono) based on the current mode. The value byte indicates how many /// channels to use, with 0 being "auto". /// /// [GM2] Same as AllNotesOff (123), then set the **channel** to mode 4. Will be /// ignored if the value byte is not equal to 1 of if the channel is a rhythm channel. pub const MONO_OPERATION: ControlFunction = ControlFunction(U7(126)); /// [MIDI 1.0] Same as AllNotesOff (123), then set reciever to mode 1 (omni-on, poly) /// or 3 (omni-off, poly) based on the current mode. /// /// [GM2] Same as AllNotesOff (123), then set the **channel** to mode 3. pub const POLY_OPERATION: ControlFunction = ControlFunction(U7(127)); } impl From<U7> for ControlFunction { fn from(data: U7) -> ControlFunction { ControlFunction(data) } } impl From<ControlFunction> for U7 { fn from(control_function: ControlFunction) -> U7 { control_function.0 } } impl From<ControlFunction> for u8 { fn from(control_function: ControlFunction) -> u8 { control_function.0.into() } } #[cfg(test)] mod test { use super::*; use crate::U7; use std::convert::TryFrom; #[test] fn from_u7() { for value in 0..128 { let data = U7::try_from(value).unwrap(); let cc = ControlFunction::from(data); assert_eq!(value, cc.into()); } } }