X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/rigol/blobdiff_plain/b74fea90bd5429ab527016eb89d98b4c6a246e68..7df76f49adf30ac260c99649678b084c9b6c282b:/usbtmc.h

diff --git a/usbtmc.h b/usbtmc.h
index 175511e..bae36da 100644
--- a/usbtmc.h
+++ b/usbtmc.h
@@ -1,3 +1,24 @@
-int usbtmc_sendscpi(usb_dev_handle *dev, char* cmd, unsigned char *resp, int resplen);
-usb_dev_handle* usbtmc_initscope(void);
-void usbtmc_close(usb_dev_handle *sc);
+struct usbtmc_header {
+	unsigned char MsgID;
+	unsigned char bTag;
+	unsigned char bTagInverse;
+	unsigned char Reserved3;
+	uint32_t TransferSize;
+	unsigned char bmTransferAttributes;
+	unsigned char TermChar; /* Only in REQUEST_DEV_DEP_MSG_IN */
+	unsigned char Reverved10;
+	unsigned char Reverved11;
+} __attribute__ ((__packed__));
+
+#define USBTMC_DEV_DEP_MSG_OUT		0x1
+#define USBTMC_REQUEST_DEV_DEP_MSG_IN	0x2
+#define USBTMC_DEV_DEP_MSG_IN		0x2
+
+#define USBTMC_TRANSFERATTRIB_EOM	(1<<0)
+#define USBTMC_TRANSFERATTRIB_TERMCHAR	(1<<1)
+
+int usbtmc_sendscpi(struct usb_dev_handle *dev, char* cmd, unsigned char *resp, int resplen);
+struct usb_dev_handle* usbtmc_initscope(void);
+void usbtmc_close(struct usb_dev_handle *sc);
+void usbtmc_claim(struct usb_dev_handle *sc);
+void usbtmc_release(struct usb_dev_handle *sc);