Create echo "Pretraining" ioctl

git-svn-id: http://svn.digium.com/svn/zaptel/trunk@260 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 20 insertions, 4 deletions

diff --git a/zaptel.h b/zaptel.h
index ebe4bea..936d213 100755
--- a/zaptel.h
+++ b/zaptel.h
@@ -539,11 +539,21 @@ char dialstr[ZT_MAX_DTMF_BUF];
 #define ZT_TIMERACK _IOW (ZT_CODE, 48, int)
 
 /*
- * Set Conference to mute mode
+ * Get Conference to mute mode
  */
 #define	ZT_GETCONFMUTE		_IOR (ZT_CODE, 49, int)
 
 /*
+ * Request echo training in some number of ms (with muting in the mean time)
+ */
+#define	ZT_ECHOTRAIN		_IOW (ZT_CODE, 50, int)
+
+/*
+ * Set on hook transfer for n number of ms -- implemnted by low level driver
+ */
+#define	ZT_ONHOOKTRANSFER		_IOW (ZT_CODE, 51, int)
+
+/*
  *  60-80 are reserved for private drivers
  *  80-85 are reserved for dynamic span stuff
  */
@@ -805,6 +815,8 @@ struct zt_tone_def {		/* Structure for zone programming */
 #define	ZT_KEWLTIME 500		/* 500ms for kewl pulse */
 #define	ZT_AFTERKEWLTIME 300    /* 300ms after kewl pulse */
 
+#define ZT_MAX_PRETRAINING   1000	/* 1000ms max pretraining time */
+
 #define ZT_MAX_SPANS		128		/* Max, 128 spans */
 #define ZT_MAX_CHANNELS		1024	/* Max, 1024 channels */
 #define ZT_MAX_CONF			1024	/* Max, 1024 conferences */
@@ -982,12 +994,12 @@ struct zt_chan {
 	struct confq confin;
 	struct confq confout;
 
-	short	getlin[ZT_MAX_CHUNKSIZE];		/* Last transmitted samples */
+	short	getlin[ZT_MAX_CHUNKSIZE];			/* Last transmitted samples */
 	unsigned char getraw[ZT_MAX_CHUNKSIZE];		/* Last received raw data */
 	short	getlin_lastchunk[ZT_MAX_CHUNKSIZE];	/* Last transmitted samples from last chunk */
-	short	putlin[ZT_MAX_CHUNKSIZE];		/* Last received samples */
+	short	putlin[ZT_MAX_CHUNKSIZE];			/* Last received samples */
 	unsigned char putraw[ZT_MAX_CHUNKSIZE];		/* Last received raw data */
-	short	conflast[ZT_MAX_CHUNKSIZE];		/* Last conference sample -- base part of channel */
+	short	conflast[ZT_MAX_CHUNKSIZE];			/* Last conference sample -- base part of channel */
 	short	conflast1[ZT_MAX_CHUNKSIZE];		/* Last conference sample  -- pseudo part of channel */
 	short	conflast2[ZT_MAX_CHUNKSIZE];		/* Previous last conference sample -- pseudo part of channel */
 	
@@ -997,6 +1009,10 @@ struct zt_chan {
 	echo_can_state_t	*ec;
 	echo_can_disable_detector_state_t txecdis;
 	echo_can_disable_detector_state_t rxecdis;
+	
+	int 	echostate;		/* State of echo canceller */
+	int		echolastupdate;	/* Last echo can update pos */
+	int		echotimer;		/* Timer for echo update */
 
 	/* RBS timings  */
 	int		prewinktime;  /* pre-wink time (ms) */