Giles Barton-Owen / WavPlayer

A library which allows the playing of Wav files using the TLV320

Dependents:   RSALB_hbridge_helloworld RSALB_lobster WavPlayer_test AudioCODEC_HelloWorld

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TLV320 Class Reference
Public Member Functions

TLV320 Class Reference

A class to control the I2C part of the TLV320. More...

#include <TLV320.h>

Public Member Functions

 TLV320 (PinName i2c_sda, PinName i2c_scl)
 Create an instance of the TLV320 class.
 TLV320 (PinName i2c_sda, PinName i2c_scl, bool cs_level)
 Create an instance of the TLV320 class.
void power (bool on_off)
 Control the power of the device.
void input_select (int input)
 Control the input source of the device.
void headphone_volume (float h_volume)
 Set the headphone volume.
void linein_volume (float li_volume)
 Set the line in pre-amp volume.
void microphone_boost (bool mic_boost)
 Turn on/off the microphone pre-amp boost.
void input_mute (bool mute)
 Mute the input.
void output_mute (bool mute)
 Mute the output.
void input_power (bool on_off)
 Turn on/off the input stage.
void output_power (bool on_off)
 Turn on/off the output stage.
void wordsize (int words)
 Select the word size.
void master (bool master)
 Select interface mode: Master or Slave.
void frequency (int freq)
 Select the sample rate.
void input_highpass (bool enabled)
 Enable the input highpass filter.
void output_softmute (bool enabled)
 Enable the output soft mute.
void interface_switch (bool on_off)
 Turn on and off the I2S.
void reset ()
 Reset the device and settings.
void sidetone (float sidetone_vol)
 Set the microphone sidetone volume.
void bypass (bool bypass_en)
 Set the analog bypass.
void deemphasis (char code)
 Set the deemphasis frequency.
void adc_highpass (bool enable)
 Enable the input highpass filter.
void start ()
 Start the device sending/recieving etc.
void stop ()
 Stop the device sending/recieving etc.

Detailed Description

A class to control the I2C part of the TLV320.

Definition at line 60 of file TLV320.h.

Constructor & Destructor Documentation

TLV320 ( PinName  i2c_sda,
PinName  i2c_scl 
)

Create an instance of the TLV320 class.

Parameters:
i2c_sdaThe SDA pin of the I2C
i2c_sclThe SCL pin of the I2C

Definition at line 15 of file TLV320.cpp.

TLV320 ( PinName  i2c_sda,
PinName  i2c_scl,
bool  cs_level 
)

Create an instance of the TLV320 class.

Parameters:
i2c_sdaThe SDA pin of the I2C
i2c_sclThe SCL pin of the I2C
cs_levelThe level of the CS pin on the TLV320

Definition at line 21 of file TLV320.cpp.

Member Function Documentation

void adc_highpass ( bool  enable )

Enable the input highpass filter.

Parameters:
enableEnable the input highpass filter enabled(true)
void bypass ( bool  bypass_en )

Set the analog bypass.

Parameters:
bypass_enEnable the bypass: enabled(true)

Definition at line 182 of file TLV320.cpp.

void deemphasis ( char  code )

Set the deemphasis frequency.

Parameters:
codeThe deemphasis code: TLV320_DE_EMPH_DISABLED, TLV320_DE_EMPH_32KHZ, TLV320_DE_EMPH_44KHZ, TLV320_DE_EMPH_48KHZ

Definition at line 169 of file TLV320.cpp.

void frequency ( int  freq )

Select the sample rate.

Parameters:
freqFrequency: 96/48/32/8 kHz

Definition at line 143 of file TLV320.cpp.

void headphone_volume ( float  h_volume )

Set the headphone volume.

Parameters:
h_volumeThe desired headphone volume: 0->1

Definition at line 70 of file TLV320.cpp.

void input_highpass ( bool  enabled )

Enable the input highpass filter.

Parameters:
enabledInput highpass filter enabled

Definition at line 149 of file TLV320.cpp.

void input_mute ( bool  mute )

Mute the input.

Parameters:
muteMute on/off

Definition at line 88 of file TLV320.cpp.

void input_power ( bool  on_off )

Turn on/off the input stage.

Parameters:
on_offInput stage on(true)/off(false)

Definition at line 108 of file TLV320.cpp.

void input_select ( int  input )

Control the input source of the device.

Parameters:
inputSelect the source of the input of the device: TLV320_LINE, TLV320_MIC, TLV320_NO_IN

Definition at line 32 of file TLV320.cpp.

void interface_switch ( bool  on_off )

Turn on and off the I2S.

Parameters:
on_offSwitch the I2S interface on(true)/off(false)

Definition at line 159 of file TLV320.cpp.

void linein_volume ( float  li_volume )

Set the line in pre-amp volume.

Parameters:
li_volumeThe desired line in volume: 0->1

Definition at line 77 of file TLV320.cpp.

void master ( bool  master )

Select interface mode: Master or Slave.

Parameters:
masterInterface mode: master(true)/slave

Definition at line 138 of file TLV320.cpp.

void microphone_boost ( bool  mic_boost )

Turn on/off the microphone pre-amp boost.

Parameters:
mic_boostBoost on or off

Definition at line 84 of file TLV320.cpp.

void output_mute ( bool  mute )

Mute the output.

Parameters:
muteMute on/off

Definition at line 103 of file TLV320.cpp.

void output_power ( bool  on_off )

Turn on/off the output stage.

Parameters:
on_offOutput stage on(true)/off(false)

Definition at line 126 of file TLV320.cpp.

void output_softmute ( bool  enabled )

Enable the output soft mute.

Parameters:
enabledOutput soft mute enabled

Definition at line 154 of file TLV320.cpp.

void power ( bool  on_off )

Control the power of the device.

Parameters:
on_offThe power state

Definition at line 27 of file TLV320.cpp.

void reset (  )

Reset the device and settings.

Definition at line 174 of file TLV320.cpp.

void sidetone ( float  sidetone_vol )

Set the microphone sidetone volume.

Parameters:
sidetone_volumeThe volume of the sidetone: 0->1

Definition at line 164 of file TLV320.cpp.

void start (  )

Start the device sending/recieving etc.

Definition at line 178 of file TLV320.cpp.

void stop (  )

Stop the device sending/recieving etc.

Definition at line 187 of file TLV320.cpp.

void wordsize ( int  words )

Select the word size.

Parameters:
words16/20/24/32 bits

Definition at line 133 of file TLV320.cpp.

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