--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python/stlink.py	Sat Jan 05 00:06:27 2013 +0100
@@ -0,0 +1,44 @@
+from usb import UsbContext
+
+class STLinkException(Exception):
+   pass
+
+def checkDevice(device):
+   ST_VID=0x0483
+   STLINK2_PID=0x3748
+   return device.VendorId == ST_VID and device.ProductId == STLINK2_PID
+
+XFER_TO_DEV=0
+XFER_FROM_DEV=0x80
+
+class STLink(object):
+   DFU_MODE = 222
+   def __init__(self):
+      self.context = UsbContext()
+   def open(self):
+      context = UsbContext()
+      stlink2s = list(filter(checkDevice, context.DeviceList))
+      if not stlink2s:
+         raise STLinkException('Could not find an ST link')
+      if len(stlink2s) > 1:
+         print('More then one stlink2 found, picking first one')
+      stlink2 = stlink2s[0]
+      dev = stlink2.open()
+      if dev.Configuration != 1:
+         dev.Configuration = 1
+      dev.claimInterface(0)
+   def getCurrentMode(self):
+      print('get cur mode')
+      rep_len = 2
+      self.fillCommand(self, XFER_FROM_DEV, rep_len)
+      size = self.send_recv(1, cmd, data)
+      return self.q_buf[0]
+   CurrentMode = property(getCurrentMode)
+   def fillCommand(self, di, rl):
+      bytes(b'USBC')
+      pass
+   def reset(self):
+      pass
+   def send_recv(self, txbuf, rxbuf):
+      pass
+