From 670e21811e2a118dca194da01ff5187907d6ed44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Sat, 20 Dec 2014 08:58:05 +0100
Subject: Adding initial version of the argparser.

---
 src/sw/trng_extract.py | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/src/sw/trng_extract.py b/src/sw/trng_extract.py
index a47fb54..9492f53 100755
--- a/src/sw/trng_extract.py
+++ b/src/sw/trng_extract.py
@@ -318,22 +318,40 @@ def looptest(dev):
 # main
 #----------------------------------------------------------------
 def main():
-    if VERBOSE:
-        print("Starting trng data extraction.")
-
-    my_commdev = Comm()
+    # my_commdev = Comm()
 
     # looptest(my_commdev)
 
 #    get_avalanche_entropy()
 #    get_avalanche_delta()
 
-    get_rosc_entropy(my_commdev)
+    # get_rosc_entropy(my_commdev)
 #    get_rosc_raw()
 
 #    get_rng_data()
 
 
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument('-d', '--debug', dest='debug', action='store_true',
+                        help='Pring debug information.')
+
+    parser.add_argument('-v', '--verbose', dest='verbose', action='store_true',
+                        help='Increase verbosity.')
+
+    parser.add_argument('-i', dest='device', default=I2C_DEVICE,
+                        help='I2C device name (default ' + I2C_DEVICE + ')')
+
+    parser.add_argument('-n', dest='num_words', default=NUM_WORDS,
+                        help='Number of 32-bit words to extract (default ' +
+                        str(NUM_WORDS) + ')')
+
+
+    args = parser.parse_args()
+    DEBUG = args.debug
+    VERBOSE = args.verbose
+
+
 #-------------------------------------------------------------------
 # __name__
 # Python thingy which allows the file to be run standalone as
-- 
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