Texas Instruments TMS320C6000 사용자 설명서
AD535_inGain
2-10
Sets AD535’s input gain
AD535_inGain
Function
void AD535_inGain(
AD535_Handle hAD535,
float inGain
);
AD535_Handle hAD535,
float inGain
);
Arguments
hAD535
Handle to codec channel, see
AD535_open()
inGain
ADC input gain.
Return Value
none
Description
Sets the AD535’s input gain.
6711 DSK
-
AD535_GAIN_MUTE
-
AD535_GAIN_0DB
-
–36 dB <= inGain <= 12 dB (in 1.5 dB steps)
Example
AD535_inGain (hAD535,6.0);
Sets microphone preamplifier gain
AD535_micGain
Function
void AD535_micGain(
AD535_Handle hAD535,
AD535_MicGain micGain
);
AD535_Handle hAD535,
AD535_MicGain micGain
);
Arguments
hAD535
Handle to codec channel, see
AD535_open()
micGain
Microphone preamplifier gain enumeration.
Return Value
none
Description
Sets the microphone preamplifier gain.
6711 DSK
-
AD535_MICGAIN_OFF = off, 0 dB
-
AD535_MICGAIN_ON = on, 20 dB
Example
AD535_micGain(hAD535,AD535_MICGAIN_OFF);