From a56b36043d84af3094b8ddcd07cfd35cb8983549 Mon Sep 17 00:00:00 2001 From: martinp Date: Sat, 8 Nov 2003 00:55:26 +0000 Subject: Add training routine to other EC git-svn-id: http://svn.digium.com/svn/zaptel/trunk@269 5390a7c7-147a-4af0-8ec9-7488f05a26cb --- sec.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'sec.h') 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 -- cgit v1.2.3