AN1836-AN21161 Analog Devices, AN1836-AN21161 Datasheet - Page 40

• Manufacturer Part Number: AN1836-AN21161
• Description: Interfacing the ADSP-21161 SIMD SHARC DSP to the AD1836 (24-bit/96 kHz) Multichannel Codec
• Manufacturer: Analog Devices

C-Style Variable Declarations
C-Callable Assembly Variable Declarations in ADDS_21161_EZKIT.ASM
/* AD1836 stereo-channel data holders - used for DSP processing of audio data received from codec */
// input channels
.var
.var
.var
.var
.var
.var
//output channels
.var
.var
.var
.var
.var
.var
.var
.var
Equivalent External C Definitions in ADDS_21161_EZKIT.H
// input channels
extern int
extern int
extern int
extern int
extern int
extern int
//output channels
extern int
extern int
extern int
extern int
extern int
extern int
extern int
extern int
_Left_Channel_In0;
_Left_Channel_In1;
_Right_Channel_In0;
_Right_Channel_In1;
_Left_Channel_SPDIF_rx;
_Right_Channel_SPDIF_rx;
_Left_Channel_Out0;
_Left_Channel_Out1;
_Left_Channel_Out2;
_Right_Channel_Out0;
_Right_Channel_Out1;
_Right_Channel_Out2;
_Left_Channel_AD1852;
_Right_Channel_AD1852;
Left_Channel_In0;
Left_Channel_In1;
Right_Channel_In0;
Right_Channel_In1;
Left_Channel_SPDIF_rx; /* Input values from the DAR CS8414 */
Right_Channel_SPDIF_rx;
Left_Channel_Out0;
Left_Channel_Out1;
Left_Channel_Out2;
Right_Channel_Out0;
Right_Channel_Out1;
Right_Channel_Out2;
Left_Channel_AD1852;
Right_Channel_AD1852;
/* Input values from the 2 AD1836 internal stereo ADCs */
/* 1/8th inch stereo jack connected to internal stereo ADC1 */
/* Input values from the DAR CS8414 */
/* Output values for the 3 AD1836 internal stereo DACs */
/* Left and Right Channel 0 DACs go to headphone jack */
/* Output values for AD1852 stereo DAC */
/* Input values from the 2 AD1836 internal stereo ADCs */
/* 1/8th inch stereo jack connected to internal stereo ADC1 */
/* Output values for the 3 AD1836 internal stereo DACs */
/* Left and Right Channel 0 DACs go to headphone jack */
/* Output values for AD1852 stereo DAC */