source: svn/trunk/newcon3bcm2_21bu/magnum/portinginterface/thd/7552/bthd_coef.h

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 * $brcm_Workfile: bthd_coef.h $
 * $brcm_Revision: 11 $
 * $brcm_Date: 10/13/11 7:33p $
 *
 * [File Description:]
 *
 * Revision History:
 * 
 *
 ***************************************************************************/
#ifndef _BTHD_COEF_H_
#define _BTHD_COEF_H_

#define THD_Qam_N           3
#define THD_GuardInterval_N 4
#define THD_CodeRate_N      5
#define THD_FrequencyInterpolatorCoefLength   396

/***************************************************************************
  Transmission mode (FFT size) lookup table  (indexing must match enumerated BTHD_TransmissionMode_t)
****************************************************************************/
extern const uint32_t bthd_transmission_mode[];

#ifdef BTHD_ISDBT_SUPPORT
extern const uint32_t bthd_transmission_mode_isdbt[]; 
#endif

/***************************************************************************
  Guard interval (fraction) lookup table  (indexing must match enumerated BTHD_GuardInterval_t)
****************************************************************************/
extern const uint8_t bthd_guard_interval[]; 

/***************************************************************************
  Bandwidth lookup table (indexing must match enumerated BTHD_Bandwidth_t)
****************************************************************************/
extern const uint8_t bthd_bandwidth[]; 

/***************************************************************************
  Output interface control word lookup table
****************************************************************************/
extern const uint8_t bthd_rate_denominator_table[]; 

#ifdef BTHD_ISDBT_SUPPORT 
extern const uint32_t bthd_freq_coef_table[5*THD_FrequencyInterpolatorCoefLength];
#else
extern const uint32_t bthd_freq_coef_table[2*THD_FrequencyInterpolatorCoefLength];
#endif


/***************************************************************************
 * Output interface control word lookup table
 ***************************************************************************/
typedef struct bthd_oi_cw_s
{
  uint32_t  n;
  uint32_t  d;
} bthd_oi_cw_t;

/* freq_interp_polyphase_3_24, y = ce_freq_h(:,12); y = y.*exp(j*2*pi*[0:71]'*1/72); */
extern const int16_t interpI[72];
extern const int16_t interpQ[72];

extern const bthd_oi_cw_t bthd_oi_table[THD_GuardInterval_N][THD_Qam_N][THD_CodeRate_N];

/* Exponential exp(-j*2*pi*[0:255]/256) for channel span dft */
extern const int16_t dft_table[256][2];


/* #define BTHD_POWER_MANAGEMENT */



#endif /* _BTHD_COEF_H_ */