From e2fb6ee2a17f307a8822d7087430df241e81ae45 Mon Sep 17 00:00:00 2001
From: markster <markster@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Wed, 5 Nov 2003 06:24:13 +0000
Subject: Implement training for mec3

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@265 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 mec3.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/mec3.h b/mec3.h
index 9f0256b..3df3f50 100755
--- a/mec3.h
+++ b/mec3.h
@@ -225,4 +225,19 @@ static inline echo_can_state_t *echo_can_create(int taps, int adaption_mode)
 	return ec;
 }
 
+static inline int echo_can_traintap(echo_can_state_t *ec, int pos, short val)
+{
+	/* Reset hang counter to avoid adjustments after
+	   initial forced training */
+	ec->hcntr = ec->taps << 1;
+	if (pos >= ec->taps)
+		return 1;
+	ec->a_i[pos] = val << 17;
+	ec->a_s[pos] = val << 1;
+	if (++pos >= ec->taps)
+		return 1;
+	return 0;
+}
+
+
 #endif
-- 
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