From 10ca7ea8e832f80e144a7a4f67ff2bda310f3bb2 Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Wed, 9 Jun 2010 09:43:05 +0200
Subject: [PATCH] export reset functionality

---
 scope.c  | 7 ++++++-
 scope.h  | 1 +
 usbtmc.c | 9 +++++++--
 usbtmc.h | 1 +
 4 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/scope.c b/scope.c
index d2bae13..d6aff93 100644
--- a/scope.c
+++ b/scope.c
@@ -25,11 +25,16 @@ void claimscope(struct scope* sc)
 
 void releasescope(struct scope* sc)
 {
-	//Disable keylock, so the user doesn't have to press the 'force'-button
+	/* Disable keylock, so the user doesn't have to press the 'force'-button */
 	sendscpi(sc, ":KEY:LOCK DISABLE",NULL,0); 
 	return usbtmc_release(sc);
 }
 
+void resetscope(struct scope* sc)
+{
+	return usbtmc_reset(sc);
+}
+
 struct scope* initscope(void)
 {
 	struct scope *sc;
diff --git a/scope.h b/scope.h
index 9eafd91..2f3a61a 100644
--- a/scope.h
+++ b/scope.h
@@ -16,4 +16,5 @@ struct scope* initscope(void);
 void closescope(struct scope* sc);
 void claimscope(struct scope* sc);
 void releasescope(struct scope* sc);
+void resetscope(struct scope* sc);
 char *scope_idn(struct scope *sc);
diff --git a/usbtmc.c b/usbtmc.c
index 84df109..b29f4e7 100644
--- a/usbtmc.c
+++ b/usbtmc.c
@@ -134,6 +134,12 @@ static struct usbtmc_capabilities* usbtmc_get_capabilities(struct scope *sc)
 	return &res;
 }
 
+void usbtmc_reset(struct scope *sc)
+{
+	usb_reset(sc->usb.dev);
+	usbtmc_claim(sc);
+}
+
 static void usbtmc_clear(struct scope *sc)
 {
 	int r;
@@ -147,8 +153,7 @@ static void usbtmc_clear(struct scope *sc)
 	
 	if ((r != 1) || status[0] != USBTMC_STATUS_SUCCESS) {
 		printf("INITIATE_CLEAR failed (0x%x): %s\n", status[0], usb_strerror());
-		usb_reset(sc->usb.dev);
-		usbtmc_claim(sc);
+		usbtmc_reset(sc);
 		return;
 	}
 
diff --git a/usbtmc.h b/usbtmc.h
index 3734ff5..97e7d12 100644
--- a/usbtmc.h
+++ b/usbtmc.h
@@ -72,3 +72,4 @@ struct scope * usbtmc_initscope(void);
 void usbtmc_close(struct scope *sc);
 void usbtmc_claim(struct scope *sc);
 void usbtmc_release(struct scope *sc);
+void usbtmc_reset(struct scope *sc);
-- 
2.39.5