dsk5402_dma_ad50.h

一个ccs开发环境下的滤波器程序

/*
 *  Copyright 2002 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *  
 */
/* 
 *  ======== dsk5402_dma_ad50.h ========
 * 
 *  This file declares an implementation of the LIO interface for
 *  performaing streaming I/O with the TI AD50 audio codec on the TI
 *  5402 DSP Starter Kit (DSK) using DMA and McBSP.  The codec is
 *  configured by default for 8khz sample rate, 16 bit data.
 */

#ifndef DSK5402_DMA_AD50_
#define DSK5402_DMA_AD50_

#include "ad50.h"



/* Setup structure for the driver (contains only codec registers) */
typedef struct DSK5402_DMA_AD50_Setup {
    AD50_Params ad50;            /* codec parameters (registers) */
} DSK5402_DMA_AD50_Setup;

/* Name of the default setup data object, defined in the driver module */
extern DSK5402_DMA_AD50_Setup DSK5402_DMA_AD50_SETUP;

/* Controller init function -- initializes driver variables, if any */
extern Void DSK5402_DMA_AD50_init( Void );

/*
 *  Driver setup() function, called by the user after the init() function
 *  above. Either the address of a driver setup object is passed, or NULL,
 *  in which case the function will use the default setup object, declared
 *  above.
 */
extern Void DSK5402_DMA_AD50_setup( DSK5402_DMA_AD50_Setup *setup );

Void startDma(Ptr, Ptr, Uns);

#endif