46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
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/***************************************************************************
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*
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* Copyright 2015-2019 BES.
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* All rights reserved. All unpublished rights reserved.
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*
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* No part of this work may be used or reproduced in any form or by any
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* means, or stored in a database or retrieval system, without prior written
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* permission of BES.
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*
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* Use of this work is governed by a license granted by BES.
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* This work contains confidential and proprietary information of
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* BES. which is protected by copyright, trade secret,
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* trademark and other intellectual property rights.
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*
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****************************************************************************/
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/********************************************************
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SBC Example PLC ANSI-C Source Code
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File: sbcplc.h
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*****************************************************************************/
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#ifndef SBCPLC_H
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#define SBCPLC_H
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#define FS 120 /* Frame Size */
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#define N 256 /* 16ms - Window Length for pattern matching */
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#define M 64 /* 4ms - Template for matching */
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#define LHIST (N+FS-1) /* Length of history buffer required */
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#define SBCRT 60 /* SBC Reconvergence Time (samples) */
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#define OLAL 60 /* OverLap-Add Length (samples) */
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//SBCRT + OLAL must be <=FS
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/* PLC State Information */
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struct PLC_State
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{
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short hist[LHIST + OLAL + FS + SBCRT + OLAL];
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short bestlag;
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int nbf;
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};
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extern unsigned char indices0[57];
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/* Prototypes */
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void InitPLC(struct PLC_State *plc_state);
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void PLC_bad_frame(struct PLC_State *plc_state, short *ZIRbuf, short *out);
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void PLC_good_frame(struct PLC_State *plc_state, short *in, short *out);
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#endif /* SBCPLC_H */
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