1 files changed, 114 insertions, 0 deletions
diff --git a/firmware/fx2/utils/edit-gpif.py b/firmware/fx2/utils/edit-gpif.py
new file mode 100755
index 000000000..5367b75a5
--- /dev/null
+++ b/firmware/fx2/utils/edit-gpif.py
@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+# -*- Python -*-
+#
+# Copyright 2003 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+# 
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+# 
+
+
+# Edit the gpif.c file generated by the Cypress GPIF Designer Tool and
+# produce usrp_gpif.c, and usrp_gpif_inline.h, files suitable for our
+# uses.
+
+import re
+import string
+import sys
+
+def check_flow_state (line, flow_state_dict):
+    mo = re.match (r'/\* Wave (\d) FlowStates \*/ (.*),', line)
+    if mo:
+        wave = int (mo.group (1))
+        data = mo.group (2)
+        split = data.split (',', 8)
+        v = map (lambda x : int (x, 16), split)
+        # print "%s, %s" % (wave, data)
+        # print "split: ", split
+        # print "v    : ", v
+        flow_state_dict[wave] = v
+
+
+def delta (xseq, yseq):
+    # set subtraction
+    z = []
+    for x in xseq:
+        if x not in yseq:
+            z.append (x)
+    return z
+    
+
+def write_define (output, name, pairs):
+    output.write ('#define %s()\t\\\n' % name)
+    output.write ('do {\t\t\t\t\t\\\n')
+    for reg, val in pairs:
+        output.write ('%14s = 0x%02x;\t\t\t\\\n' % (reg, val))
+    output.write ('} while (0)\n\n')
+    
+def write_inlines (output, dict):
+    regs = ['FLOWSTATE', 'FLOWLOGIC', 'FLOWEQ0CTL', 'FLOWEQ1CTL', 'FLOWHOLDOFF',
+            'FLOWSTB', 'FLOWSTBEDGE', 'FLOWSTBHPERIOD', 'GPIFHOLDAMOUNT']
+
+    READ_FLOW_STATE = 2
+    WRITE_FLOW_STATE = 3
+
+    read_info = zip (regs, dict[READ_FLOW_STATE])
+    write_info = zip (regs, dict[WRITE_FLOW_STATE])
+    
+    output.write ('''/*
+ * Machine generated by "edit-gpif".  Do not edit by hand.
+ */
+
+''')
+    write_define (output, 'setup_flowstate_common', read_info)
+    write_define (output, 'setup_flowstate_read', delta (read_info, write_info))
+    write_define (output, 'setup_flowstate_write', delta (write_info, read_info))
+    
+
+def edit_gpif (input_name, output_name, inline_name):
+    input = open (input_name, 'r')
+    output = open (output_name, 'w')
+    inline = open (inline_name, 'w')
+    flow_state_dict = {}
+
+    output.write ('''/*
+ * Machine generated by "edit-gpif".  Do not edit by hand.
+ */
+
+''')
+    
+    while 1:
+        line = input.readline ()
+        line = string.replace (line, '\r','')
+        line = re.sub (r' *$', r'', line)
+
+        check_flow_state (line, flow_state_dict)
+
+        line = re.sub (r'#include', r'// #include', line)
+        line = re.sub (r'xdata ', r'', line)
+        if re.search (r'GpifInit', line):
+            break
+        
+        output.write (line)
+
+    output.close ()
+    write_inlines (inline, flow_state_dict)
+    inline.close ()
+
+
+# gpif.c usrp_gpif.c usrp_gpif_inline.h
+edit_gpif (sys.argv[1], sys.argv[2], sys.argv[3])