Maxim-integrated 73M1822/73M1922 Modem API Manual de usuario descargar pdf (Pagina 15)

UG_1x22_055 73M1822/73M1922 Modem API User Guide

Rev. 1.0 15

2.14 M1X22_SetPhoneVolume

Description

Set the speaker phone and microphone volume. This API sets transmit and receive dB gain of the

channel.

Prototype

M1X22_RET M1X22_SetPhoneVolume (

M1X22_HANDLE chanHandle,

int txVolumedB,

int rxVolumedB );

Parameters

Data Type Name Description

M1X22_HANDLE

chanHandle

Channel handle obtains from open channel.

int

txVolumedB

Transmit direction in dB.

int

rxVolumedB

Receive direction in dB.

Return Values

Data Type Description

M1X22_RET

M1X22_SUCCESS – Successfully set phone volume.

M1X22_FAILED – Failure.

2.15 M1X22_CallProgressMonitor

Description

For the purpose of monitoring activities on the line, a Call Progress Monitor is provided in the 73M1x22.

This audio output contains both transmit and receive data with configurable levels.

Prototype

M1X22_RET M1X22_CallProgressMonitor (

M1X22_HANDLE chanHandle,

M1X22_CM_VOLTAGE_REF voltRef,

M1X22_CM_GAIN txGain,

M1X22_CM_GAIN rxGain);

Parameters

Data Type Name Description

M1X22_HANDLE

chanHandle

Channel handle obtains from open channel.

M1X22_CM_VOLTAGE_REF

voltRef

Voltage Reference selection

M1X22_CM_GAIN

txGain

Transmit path gain setting

M1X22_CM_GAIN

rxGain

Receive path gain setting

Return Values

Data Type Description

M1X22_RET

M1X22_SUCCESS – Successful.

M1X22_FAILED – Failure.

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