CVS: python msp430-jtag.py,1.25,1.26

Update of /cvsroot/mspgcc/python
In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv24028/python

Modified Files:
	msp430-jtag.py 
Log Message:
add command line option to use new HIL_Slowdown function (tested on windows only)

Index: msp430-jtag.py
===================================================================
RCS file: /cvsroot/mspgcc/python/msp430-jtag.py,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -w -d -r1.25 -r1.26
--- msp430-jtag.py	23 Apr 2006 23:38:18 -0000	1.25
+++ msp430-jtag.py	3 Sep 2006 15:36:21 -0000	1.26
@@ -49,12 +49,22 @@
                         autodetect).
 
 Connection:
-  -l, --lpt=name        Specify an other parallel port.
+  -l, --lpt=name        Specify an other parallel port or serial port for the
+                        USBFET (the later requires MSP430.dll instead of
+                        MSP430mspgcc.dll).
                         (defaults to "LPT1" ("/dev/parport0" on Linux))
+  --slowdown=microsecs  Artificially slow down the communication. Can help
+                        with long lines, try values between 1 and 50 (parallel
+                        port interface with mspgcc's HIL library only).
+                        (experts only)
 
 Note: On Windows, use "TIUSB" or "COM5" etc if using MSP430.dll from TI.
       If a MSP430.dll is found it is prefered, otherwise MSP430mspgcc.dll
       is used.
+Note: --slowdown > 50 can result in failrures for the ramsize autodetection
+      (use --ramsize option to fix this). Use the --debug option and watch
+      the outputs. The DCO clock adjustment and thus the Flash timing may be
+      inacurate for large values.
 
 Funclets:
   -f, --funclet         The given file is a funclet (a small program to
@@ -185,7 +195,7 @@
              "upload=", "download=", "size=", "hex", "bin", "ihex",
              "intelhex", "titext", "elf", "funclet", "ramsize=", "progress",
              "no-close", "parameter=", "result=", "timeout=", "secure",
-             "quiet", "backend="]
+             "quiet", "backend=", "slowdown="]
         )
     except getopt.GetoptError, e:
         # print help information and exit:
@@ -345,6 +355,19 @@
         elif o in ("-q", "--quiet", ):
             quiet = 1
             jtagobj.verbose = 0
+        elif o == "--slowdown":
+            slowdown = long(a)
+            import ctypes
+            if sys.platform == 'win32':
+                HIL_SetSlowdown = ctypes.windll.HIL.HIL_SetSlowdown
+            else:
+                # XXX and posix platforms?!
+                HIL_SetSlowdown = ctypes.cdll.HIL.HIL_SetSlowdown
+            HIL_SetSlowdown = ctypes.windll.HIL.HIL_SetSlowdown
+            HIL_SetSlowdown.argtypes  = [ctypes.c_ulong]
+            HIL_SetSlowdown.restype   = ctypes.c_int #actually void
+            # set slowdown
+            HIL_SetSlowdown(slowdown)
 
     if DEBUG:
         if quiet:


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