Add training routine to other EC

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@269 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 13 insertions, 0 deletions

diff --git a/mec.h b/mec.h
index 2307c37..f399e1b 100755
--- a/mec.h
+++ b/mec.h
@@ -292,4 +292,17 @@ static INLINE int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t
 	return suppr;
 }
 
+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->hangt = NUM_TAPS << 1;
+	if (pos >= NUM_TAPS)
+		return 1;
+	ec->a[pos] = val << 17;
+	if (++pos >= NUM_TAPS)
+		return 1;
+	return 0;
+}
+
 #endif