'Definitions used in the control messages of the E301 module
Module MessageDefinitions
    'General
    Public Const P_MAS As Byte = &H90              'Master Phone
    Public Const P_ESC As Byte = &H91              'Slave Phone

    'Sos Phone -> Central
    Public Const DEM_USE As Byte = &H21            'User Call
    Public Const DEM_SER As Byte = &H22            'Service Call
    Public Const ENV_ALA As Byte = &H23            'Alarm Sending
    Public Const ACK_FON_ON As Byte = &H84         'ACK to audio activation order
    Public Const ACK_FON_OFF As Byte = &H85        'ACK to audio deactivarion order
    Public Const ACK_TON_ON As Byte = &H86         'ACK to tone activation order
    Public Const ACK_TON_OFF As Byte = &H87        'ACK to tone deactivation order
    Public Const ACK_ESC_IO As Byte = &H8B         'ACK to auxilar port writting
    Public Const ACK_LEC_IO As Byte = &H8C         'ACK to auxilar port reading
    Public Const ACK_VOZ_ON As Byte = &H8D         'ACK to audio message activation
    Public Const ACK_VOZ_OFF As Byte = &H92        'ACK to audio message deactivation
    Public Const ACK_ADJ_VOL As Byte = &H8E        'ACK to audio output level adjustment order
    Public Const RES_TST_FON As Byte = &H88        'Result of audio test
    Public Const RES_TST_MAN As Byte = &H89        'Result of maintenance test
    Public Const TST_OK As Byte = &H57             'Used in RES_TST_FON to indicate test Ok
    Public Const TST_FAIL As Byte = &H58           'Used in RES_TST_FON to indicate fail

    'Central -> SOS Phone
    Public Const ACK_DEM_USE As Byte = &H81        'ACK to user call
    Public Const ACK_DEM_SER As Byte = &H82        'ACK to service call
    Public Const ACK_ENV_ALA As Byte = &H83        'ACK to alarm sending
    Public Const ORD_FON_ON As Byte = &H41         'Audio activation order
    Public Const ORD_FON_OFF As Byte = &H42        'Audio deactivation order
    Public Const ORD_TON_ON As Byte = &H43         'Tone activation order
    Public Const ORD_TON_OFF As Byte = &H44        'Tone deactivation order
    Public Const ORD_TST_FON As Byte = &H45        'Audio test order
    Public Const ORD_TST_MAN As Byte = &H46        'Maintenance test order
    Public Const ORD_ESC_IO As Byte = &H48         'Auxiliary port write
    Public Const ORD_LEC_IO As Byte = &H49         'Auxiliary port read
    Public Const ORD_VOZ_ON As Byte = &H4A         'Audio message activation
    Public Const ORD_VOZ_OFF As Byte = &H4B        'Audio message deactivation
    Public Const ORD_ADJ_VOL As Byte = &H4C        'Output volume adjustment

    Public Const L_ESP As Byte = &H51              'Used in ACK_DEM_USE y ACK_DEM_SER to indicate activate message "Waiting response"
    Public Const L_FON As Byte = &H52              'Used in ACK_DEM_USE y ACK_DEM_SER to indicate activate audio
    Public Const T_LLA As Byte = &H53              'Used in ORD_TON_ON to indicate call tone
    Public Const T_COM As Byte = &H54              'Used in ORD_TON_ON to indicate occupied tone
    Public Const MEN_FUE_SER As Byte = &H55        'Used in ORD_VOZ_ON to indicate messaje "Out of service"
    Public Const MEN_LLA_ESP As Byte = &H56        'Used in ORD_VOZ_ON to indicate messaje "Waiting response"
    Public Const FON_OFF_OK As Byte = &H1          'Used in ACK_FON_OFF to indicate success
    Public Const FON_OFF_FAIL As Byte = 0           'Used in ACK_FON_OFF to indicate fail

    'For testing
    Public Const ORD_ECO_ON As Byte = &H1           'Echo canceller ON
    Public Const ACK_ECO_ON As Byte = &H2           'ACK to canceller ON order 
    Public Const ORD_ECO_OFF As Byte = &H3          'Echo canceller OFF
    Public Const ACK_ECO_OFF As Byte = &H4          'ACK to canceller OFF order
    Public Const ORD_ADJ_MIC As Byte = &H7          'Microphone volume adjust
    Public Const ACK_ADJ_MIC As Byte = &H8          'ACK to ...
End Module