Source code for jdxi_editor.midi.data.address.sysex

"""
Collected SysEx constants
"""

from enum import IntEnum, unique

"""Miscellaneous"""


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START_OF_SYSEX = 0xF0




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END_OF_SYSEX = 0xF7




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ID_NUMBER = 0x7E




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DEVICE_ID = 0x7F




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SUB_ID_1_GENERAL_INFORMATION = 0x06




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SUB_ID_2_IDENTITY_REQUEST = 0x01




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SUB_ID_2_IDENTITY_REPLY = 0x02




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ZERO_BYTE = 0x00




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VALUE_ON = 0x01




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VALUE_OFF = 0x00




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NOTE_ON = 0x90




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NOTE_OFF = 0x80





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LOW_1_BIT_MASK = 0x01  # Mask for only the lowest (1st) bit




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LOW_2_BITS_MASK = 0x03  # Mask for lowest 2 bits (0b00000011)




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LOW_4_BITS_MASK = 0x0F  # Mask for lowest 4 bits (a nibble)




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LOW_7_BITS_MASK = 0x7F  # MIDI data byte mask (7-bit, valid for MIDI)




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FULL_BYTE_MASK = 0xFF  # Full 8 bits — masks a whole byte




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HIGH_4_BITS_MASK = 0xF0  # High nibble mask




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WORD_MASK = 0xFFFF  # Word mask (16 bits, 2 bytes)




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MAX_EIGHT_BIT_VALUE = 255  # maximum values held by eight bits




@unique


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class RolandID(IntEnum):
    """Roland IDs"""



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    ROLAND_ID = 0x41




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    DEVICE_ID = 0x10






@unique


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class ResponseID(IntEnum):
    """Midi responses"""



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    ACK = 0x4F  # Acknowledge




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    ERR = 0x4E  # Error