From 7a33fb12b531ed45dd1b34923a24ea459f80b964 Mon Sep 17 00:00:00 2001
From: hadaq <hadaq>
Date: Fri, 19 Apr 2002 19:11:01 +0000
Subject: [PATCH] DTU busy is set during buffer request and during readout.
 Does not really help to fix the noise problems. W. Koenig

---
 hadaq/hwrich.c | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/hadaq/hwrich.c b/hadaq/hwrich.c
index 8b79e09..bd14014 100644
--- a/hadaq/hwrich.c
+++ b/hadaq/hwrich.c
@@ -1,4 +1,4 @@
-static char *rcsId = "$Header: /misc/hadesprojects/daq/cvsroot/eventbuilder/hadaq/Attic/hwrich.c,v 6.21 2001-11-18 13:10:35 hadaq Exp $";
+static char *rcsId = "$Header: /misc/hadesprojects/daq/cvsroot/eventbuilder/hadaq/Attic/hwrich.c,v 6.22 2002-04-19 19:11:01 hadaq Exp $";
 
 
 #define _POSIX_C_SOURCE 199309L
@@ -22,6 +22,7 @@ struct HardwareS {
 	size_t maxSubEvtSize;
 	HwRace *race[NRACES];
 	LInt *lInt[NRACES];
+	LVme *dtu;
 };
 
 #include "hardware.h"
@@ -61,6 +62,12 @@ Hardware *newHardware(void)
 		}
 		my->lInt[i] = malloc(sizeof(LInt));
 		conLInt(my->lInt[i], 100 + i);
+
+	}
+	my->dtu = malloc(sizeof(LVme));
+	if(0 > conLVme(my->dtu, 0x44100000, 0x10000, 0x09, 0x3c, 1)) {
+		syslog(LOG_DEBUG,"Rich DTU not found");
+		return -1;
 	}
 
 	desParam(param);
@@ -77,6 +84,9 @@ void deleteHardware(Hardware *my)
 		desHwRace(my->race[i]);
 		free(my->race[i]);
 	}
+	desLVme(my->dtu);
+	free(my->dtu);
+
 	free(my);
 }
 
@@ -84,12 +94,18 @@ void Hardware_waitForTrigger(Hardware *my, void *subEvt)
 {
 	int i;
 
+	LVme_setL(my->dtu,0x00 ,0x22); /* dtu busy on */
 	for (i = 0; i < NRACES; i++) {
 		if (HwRace_isEmpty(my->race[i])) {
 			HwRace_requestBuffer(my->race[i]);
 #ifndef NDEBUG
 			syslog(LOG_DEBUG, "%d buffer requested", i);
 #endif
+		}
+	}
+	LVme_setL(my->dtu,0x00 ,0x02); /* dtu busy off */
+	for (i = 0; i < NRACES; i++) {
+		if(HwRace_BufIsRequested(my->race[i])) {
 			LInt_wait(my->lInt[i]);
 #ifndef NDEBUG
 			syslog(LOG_DEBUG, "%d irq received", i);
@@ -110,6 +126,7 @@ void Hardware_readout(Hardware *my, void *partEvt)
 	SubEvt_setId(partEvt, 0);
 
 	/* read all races, check for common trigger tag */
+	LVme_setL(my->dtu,0x00 ,0x22); /* dtu busy on */
 	for (i = 0; i < NRACES; i++) {
 		HwRace_readSubEvt(my->race[i], subEvt);
 		if (i == 0) {
@@ -124,8 +141,9 @@ void Hardware_readout(Hardware *my, void *partEvt)
 		}
 		subEvt = SubEvt_next(partEvt, subEvt);
 	}
+    LVme_setL(my->dtu,0x00 ,0x02); /* dtu busy off */
 
-    SubEvt_setTrigNr(partEvt, trigNr << 8 | trigTag);
+	SubEvt_setTrigNr(partEvt, trigNr << 8 | trigTag);
 	SubEvt_setSize(partEvt, (char *)subEvt - (char *)partEvt);
     trigNr++;
 
-- 
2.43.0