--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.6pre17/tests/v42_tests.c	Fri Jun 25 15:50:58 2010 +0200
@@ -0,0 +1,124 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * v42_tests.c
+ *
+ * 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 General Public License version 2, 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: v42_tests.c,v 1.28 2008/11/30 10:17:31 steveu Exp $
+ */
+
+/* THIS IS A WORK IN PROGRESS. IT IS NOT FINISHED. */
+
+/*! \page v42_tests_page V.42 tests
+\section v42_tests_page_sec_1 What does it do?
+These tests connect two instances of V.42 back to back. V.42 frames are
+then exchanged between them.
+*/
+
+#if defined(HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+
+//#if defined(WITH_SPANDSP_INTERNALS)
+#define SPANDSP_EXPOSE_INTERNAL_STRUCTURES
+//#endif
+
+#include "spandsp.h"
+
+v42_state_t caller;
+v42_state_t answerer;
+
+int rx_next[3] = {0};
+int tx_next[3] = {0};
+
+static void v42_status(void *user_data, int status)
+{
+    int x;
+    
+    x = (intptr_t) user_data;
+    printf("%d: Status is '%s' (%d)\n", x, lapm_status_to_str(status), status);
+    //if (status == LAPM_DATA)
+    //    lapm_tx_iframe((x == 1)  ?  &caller.lapm  :  &answerer.lapm, "ABCDEFGHIJ", 10, 1);
+}
+
+static void v42_frames(void *user_data, const uint8_t *msg, int len)
+{
+    int i;
+    int x;
+    
+    x = (intptr_t) user_data;
+    for (i = 0;  i < len;  i++)
+    {
+        if (msg[i] != (rx_next[x] & 0xFF))
+            printf("%d: Mismatch 0x%02X 0x%02X\n", x, msg[i], rx_next[x] & 0xFF);
+        rx_next[x]++;
+    }
+    printf("%d: Got frame len %d\n", x, len);
+}
+
+int main(int argc, char *argv[])
+{
+    int i;
+    int bit;
+    uint8_t buf[1024];
+
+    v42_init(&caller, TRUE, TRUE, v42_frames, (void *) 1);
+    v42_init(&answerer, FALSE, TRUE, v42_frames, (void *) 2);
+    v42_set_status_callback(&caller, v42_status, (void *) 1);
+    v42_set_status_callback(&answerer, v42_status, (void *) 2);
+    span_log_set_level(&caller.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_DEBUG);
+    span_log_set_tag(&caller.logging, "caller");
+    span_log_set_level(&caller.lapm.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_DEBUG);
+    span_log_set_tag(&caller.lapm.logging, "caller");
+    span_log_set_level(&caller.lapm.sched.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_DEBUG);
+    span_log_set_tag(&caller.lapm.sched.logging, "caller");
+    span_log_set_level(&answerer.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_DEBUG);
+    span_log_set_tag(&answerer.logging, "answerer");
+    span_log_set_level(&answerer.lapm.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_DEBUG);
+    span_log_set_tag(&answerer.lapm.logging, "answerer");
+    span_log_set_level(&answerer.lapm.sched.logging, SPAN_LOG_SHOW_SEVERITY | SPAN_LOG_SHOW_PROTOCOL | SPAN_LOG_DEBUG);
+    span_log_set_tag(&answerer.lapm.sched.logging, "answerer");
+    for (i = 0;  i < 100000;  i++)
+    {
+        bit = v42_tx_bit(&caller);
+        v42_rx_bit(&answerer, bit);
+        bit = v42_tx_bit(&answerer);
+        //if (i%10000 == 0)
+        //    bit ^= 1;
+        v42_rx_bit(&caller, bit);
+        span_schedule_update(&caller.lapm.sched, 4);
+        span_schedule_update(&answerer.lapm.sched, 4);
+        buf[0] = tx_next[1];
+        if (lapm_tx(&caller.lapm, buf, 1) == 1)
+            tx_next[1]++;
+        buf[0] = tx_next[2];
+        if (lapm_tx(&answerer.lapm, buf, 1) == 1)
+            tx_next[2]++;
+    }
+    return  0;
+}
+/*- End of function --------------------------------------------------------*/
+/*- End of file ------------------------------------------------------------*/