X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/rigol/blobdiff_plain/b131d433f9b984b50266298be6f0cf7f9a13b6fb..713be7a43ed11947c358fc67c11b9df7b0be204c:/scope.c

diff --git a/scope.c b/scope.c
new file mode 100644
index 0000000..3152243
--- /dev/null
+++ b/scope.c
@@ -0,0 +1,62 @@
+#include <usb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "usbtmc.h"
+#include "scope.h"
+
+/* Just USB for now... */
+int sendscpi(struct scope* sc, char* cmd, unsigned char *resp, int resplen)
+{
+	return usbtmc_sendscpi(sc->usbdev, cmd, resp, resplen);
+}
+
+void closescope(struct scope* sc)
+{
+	return usbtmc_close(sc->usbdev);
+}
+
+void claimscope(struct scope* sc)
+{
+	return usbtmc_claim(sc->usbdev);
+}
+
+void releasescope(struct scope* sc)
+{
+	//Disable keylock, so the user doesn't have to press the 'force'-button
+	sendscpi(sc, ":KEY:LOCK DISABLE",NULL,0); 
+	return usbtmc_release(sc->usbdev);
+}
+
+struct scope* initscope(void)
+{
+	struct usb_dev_handle *usbdev;
+	struct scope *sc;
+
+	usbdev = usbtmc_initscope();
+
+	if (!usbdev)
+		return NULL;
+
+	sc = calloc(1, sizeof(struct scope));
+	if (sc == NULL) {
+		perror("malloc");
+		exit(EXIT_FAILURE);
+	}
+
+	sc->usbdev = usbdev;
+
+	claimscope(sc);
+	sendscpi(sc, "*IDN?", (unsigned char*)sc->idn, sizeof(sc->idn)); 
+	releasescope(sc);
+
+	printf("Scope found (%s)\n", sc->idn);
+
+	return sc;
+}
+
+char *scope_idn(struct scope *sc)
+{
+	return sc->idn;
+}