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, 15 insertions, 0 deletions

diff --git a/sec.h b/sec.h
index 95a7551..d4e98ce 100755
--- a/sec.h
+++ b/sec.h
@@ -267,5 +267,20 @@ static inline int16_t echo_can_update(echo_can_state_t *ec, int16_t tx, int16_t
     return clean_rx;
 }
 /*- End of function --------------------------------------------------------*/
+
+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->nonupdate_dwell = ec->taps << 1;
+	if (pos >= ec->taps)
+		return 1;
+	ec->fir_taps[pos] = val << 17;
+	ec->fir_taps_short[pos] = val << 1;
+	if (++pos >= ec->taps)
+		return 1;
+	return 0;
+}
+
 /*- End of file ------------------------------------------------------------*/
 #endif