Maxim Integrated 73M1866B/73M1966B Reference Driver - Manual (Page 80)

73M1866B/73M1966B Reference Driver User Guide UG_1x66B_015
80 Rev. 2.7
7.11 Call Progress Monitor Data Type and Structure
7.11.1 M1966_CPROG_MON_VOLT_REF
Description
This contains the list of supported voltage reference at the call progress monitor audio output. This is
used in the M1966_CPROG_MONITOR IOCTL to select the voltage reference.
Prototype
typedef enum
{
M1966_CPROG_MON_VOLT_REG_1_5 = 0, /* 1.5 Vdc */
M1966_CPROG_MON_VOLT_REF_VCC_DIV_2 = 1 /* VCC/2 Vdc */
}
M1966_CPROG_MON_VOLT_REF;
Parameters
Name Value Description
M1966_CPROG_MON_VOLT_REG_1_5 0 1.5 Vdc reference selection.
M1966_CPROG_MON_VOLT_REF_VCC_DIV 1 VCC/2 Vdc reference selection.
7.11.2 M1966_CPROG_MON_GAIN
Description
This contains the list of supported gain settings of the audio path. It is used by the
M1966_CPROG_MONITOR
IOCTL to set transmit and receive gain of the call progress monitor auto path.
Prototype
typedef enum
{
M1966_CPROG_MON_GAIN_0DB = 0, /* Gain setting of 0dB */
M1966_CPROG_MON_GAIN_MINUS_6DB = 1, /* Gain setting of -6dB */
M1966_CPROG_MON_GAIN_MINUS_12DB = 2, /* Gain setting of -12dB */
M1966_CPROG_MON_GAIN_MUTE = 3 /* Mute */
}
M1966_CPROG_MON_GAIN;
Parameters
Name Value Description
M1966_CPROG_MON_GAIN_0DB 0 Gain setting of 0dB.
M1966_CPROG_MON_GAIN_MINUS_6DB 1 Gain setting of -6dB.
M1966_CPROG_MON_GAIN_MINUS_12DB 2 Gain setting of -12dB.
M1966_CPROG_MON_GAIN_MUTE 3 Mute.