From 398f396e0f94fb6009a3b27ffbae417becee566b Mon Sep 17 00:00:00 2001
From: markster <markster@5390a7c7-147a-4af0-8ec9-7488f05a26cb>
Date: Mon, 27 Oct 2003 17:00:04 +0000
Subject: Create echo "Pretraining" ioctl

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@260 5390a7c7-147a-4af0-8ec9-7488f05a26cb
---
 mec2.h | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'mec2.h')

diff --git a/mec2.h b/mec2.h
index 92cc011..a24b01a 100755
--- a/mec2.h
+++ b/mec2.h
@@ -391,6 +391,18 @@ static inline echo_can_state_t *echo_can_create(int len, 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_d = ec->N_d << 1;
+	if (pos >= ec->N_d)
+		return 1;
+	ec->a_i[pos] = val << 17;
+	ec->a_s[pos] = val << 1;
+	if (++pos >= ec->N_d)
+		return 1;
+	return 0;
+}
 
 #endif
-- 
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