文件列表:

ad1835.h (5324, 2003-10-15)
ADSP-21262-EZKIT.LDF (3839, 2003-10-29)
Debug (0, 2004-01-15)
Debug\Stereo_SIMD_FIR.dxe (15212, 2004-01-15)
decent_layout.vdw (25349, 2004-01-15)
def21262.h (92569, 2004-01-05)
FIR_coeffs.dat (126, 2004-01-15)
init1835viaSPI.asm (3070, 2003-10-15)
initDAI.asm (7839, 2004-01-05)
initSPORT.asm (1394, 2003-10-15)
isr.asm (1633, 2004-01-15)
ivt21262.asm (5978, 2004-01-05)
main.asm (862, 2004-01-15)
SRU.h (676023, 2003-12-31)
Stereo_SIMD_FIR.dpj (6659, 2004-01-15)
Stereo_SIMD_FIR.mak (3792, 2004-01-15)
_algorithm.asm (3138, 2004-01-15)
_initAlgorithm.asm (2318, 2004-01-15)

------------------------------------------------------------------------------- Example: Stereo_SIMD_FIR Target: ADSP-21262 Date: January 15, 2004 Tools: VisualDSP++ 3.0 SP1 Hardware: ADSP-21262 EZ-KIT LITE ------------------------------------------------------------------------------- Demonstrates SIMD Stereo FIR Filtering This example accepts analog stereo audio and passes it through to the four analog stereo pairs in parallel. Each of the channels of audio is filtered with an FIR filter. SIMD is utilized to compute the left channel in PEx and the right channel in PEy simultaneously. Note that all of the code specific to the filter is in "_initAlgorithm.asm" and "_Algorithm.asm". ------------------------------------------------------------------------------- Instructions: Download the executable to the EZ-KIT. There are no user controls or visual outputs. The four stereo output pairs are identical. ------------------------------------------------------------------------------- Source Files contained in this directory: _Algorithm.asm The filter function called from the sample Rx ISR _initAlgorithm.asm Initialization specific to the filtering init1835viaSPI.asm Initializes the codec initDAI.asm Initializes the SRU & DAI pins initSPORT.asm Initializes the transmit and receive serial ports isr.asm The SPORT0 (ADC) interrupt service routine IIR_2nd_Order.dpj VisualDSP Project File ivt21262.asm Interrupt vector table code main.asm Calls init routines then waits for interrupts ad1835.h Header with constants for controlling the audio codec def21262.h Header with constants for the SHARC SRU.h Macro to simplify programming the SRU & DAI pins ADSP-21262-EZKIT.ldf Linker description file ******************************************************************************* Analog Devices, Inc. DSP Division One Technology Way Norwood, MA 02062 (c) 2004 Analog Devices, Inc. All rights reserved. *******************************************************************************

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