diff spandsp-0.0.6pre17/src/spandsp/private/v8.h @ 4:26cd8f1ef0b1

import spandsp-0.0.6pre17
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 15:50:58 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.6pre17/src/spandsp/private/v8.h	Fri Jun 25 15:50:58 2010 +0200
@@ -0,0 +1,78 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * private/v8.h - V.8 modem negotiation processing.
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2004 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: v8.h,v 1.3.4.1 2009/12/28 12:20:47 steveu Exp $
+ */
+ 
+#if !defined(_SPANDSP_PRIVATE_V8_H_)
+#define _SPANDSP_PRIVATE_V8_H_
+
+struct v8_state_s
+{
+    /*! \brief TRUE if we are the calling modem */
+    int calling_party;
+
+    v8_result_handler_t *result_handler;
+    void *result_handler_user_data;
+
+    /*! \brief The current state of the V.8 protocol */
+    int state;
+    int fsk_tx_on;
+    int modem_connect_tone_tx_on;
+    int negotiation_timer;
+    int ci_timer;
+    int ci_count;
+    fsk_tx_state_t v21tx;
+    fsk_rx_state_t v21rx;
+    queue_state_t *tx_queue;
+    modem_connect_tones_tx_state_t ansam_tx;
+    modem_connect_tones_rx_state_t ansam_rx;
+
+    /*! \brief Modulation schemes available at this end. */
+    unsigned int far_end_modulations;
+
+    v8_parms_t parms;
+    v8_parms_t result;
+
+    /* V.8 data parsing */
+    uint32_t bit_stream;
+    int bit_cnt;
+    /* Indicates the type of message coming up */
+    int preamble_type;
+    uint8_t rx_data[64];
+    int rx_data_ptr;
+    
+    /*! \brief a reference copy of the last CM or JM message, used when
+               testing for matches. */
+    uint8_t cm_jm_data[64];
+    int cm_jm_len;
+    int got_cm_jm;
+    int got_cj;
+    int zero_byte_count;
+    /*! \brief Error and flow logging control */
+    logging_state_t logging;
+};
+
+#endif
+/*- End of file ------------------------------------------------------------*/

Repositories maintained by Peter Meerwald, pmeerw@pmeerw.net.