gw seek: Seek to specified cylinder.

scripts/greaseweazle/tools/seek.py

@@ -0,0 +1,49 @@
+# greaseweazle/tools/seek.py
+#
+# Greaseweazle control script: Seek to specified cylinder.
+#
+# Written & released by Keir Fraser <keir.xen@gmail.com>
+#
+# This is free and unencumbered software released into the public domain.
+# See the file COPYING for more details, or visit <http://unlicense.org>.
+
+description = "Seek to the specified cylinder."
+
+import sys
+
+from greaseweazle.tools import util
+from greaseweazle import error
+from greaseweazle import usb as USB
+from greaseweazle.flux import Flux
+
+
+def seek(usb, args, **_kwargs):
+    """Seeks to the cylinder specified in args.
+    """
+    usb.seek(args.cylinder, 0)
+
+
+def main(argv):
+
+    parser = util.ArgumentParser(usage='%(prog)s [options] cylinder')
+    parser.add_argument("--device", help="greaseweazle device name")
+    parser.add_argument("--drive", type=util.drive_letter, default='A',
+                        help="drive to read (A,B,0,1,2)")
+    parser.add_argument("cylinder", type=int, help="cylinder to seek")
+    parser.description = description
+    parser.prog += ' ' + argv[1]
+    args = parser.parse_args(argv[2:])
+
+    try:
+        usb = util.usb_open(args.device)
+        util.with_drive_selected(seek, usb, args, motor=False)
+    except USB.CmdError as error:
+        print("Command Failed: %s" % error)
+
+
+if __name__ == "__main__":
+    main(sys.argv)
+
+# Local variables:
+# python-indent: 4
+# End:

scripts/greaseweazle/tools/util.py

@@ -76,7 +76,7 @@ def with_drive_selected(fn, usb, args, *_args, **_kwargs):
     usb.set_bus_type(args.drive[0])
     try:
         usb.drive_select(args.drive[1])
-        usb.drive_motor(args.drive[1], True)
+        usb.drive_motor(args.drive[1], _kwargs.pop('motor', True))
         fn(usb, args, *_args, **_kwargs)
     except KeyboardInterrupt:
         print()

scripts/gw.py

@@ -41,6 +41,7 @@ actions = [ 'info',
             'read',
             'write',
             'erase',
+            'seek',
             'delays',
             'update',
             'pin',