From 37b3091eced58f399bd95782bb69eee29333f0eb Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 25 Aug 2017 17:26:08 +0200
Subject: DPD CE: Add options for interations and load coefs

---
 dpd/main.py   | 15 ++++++++++++---
 dpd/poly.coef | 20 ++++++++++----------
 2 files changed, 22 insertions(+), 13 deletions(-)

diff --git a/dpd/main.py b/dpd/main.py
index ea570d3..1682a59 100755
--- a/dpd/main.py
+++ b/dpd/main.py
@@ -44,6 +44,12 @@ parser.add_argument('--coefs', default='poly.coef',
 parser.add_argument('--samps', default='10240',
         help='Number of samples to request from ODR-DabMod',
         required=False)
+parser.add_argument('-i', '--iterations', default='1',
+        help='Number of iterations to run',
+        required=False)
+parser.add_argument('-l', '--load-poly',
+        help='Load existing polynomial',
+        action="store_true")
 
 cli_args = parser.parse_args()
 
@@ -52,13 +58,16 @@ port_rc = int(cli_args.rc_port)
 coef_path = cli_args.coefs
 num_req = int(cli_args.samps)
 samplerate = int(cli_args.samplerate)
+num_iter = int(cli_args.iterations)
 
 meas = Measure.Measure(samplerate, port, num_req)
 
 adapt = Adapt.Adapt(port_rc, coef_path)
 coefs_am, coefs_pm = adapt.get_coefs()
-#model = Model.Model(coefs)
-model = Model.Model([1, 0, 0, 0, 0], [0, 0, 0, 0, 0])
+if cli_args.load_poly:
+    model = Model.Model(coefs_am, coefs_pm)
+else:
+    model = Model.Model([1, 0, 0, 0, 0], [0, 0, 0, 0, 0])
 adapt.set_txgain(70)
 adapt.set_rxgain(30)
 
@@ -71,7 +80,7 @@ logging.info(
     )
 )
 
-for i in range(1):
+for i in range(num_iter):
     txframe_aligned, tx_ts, rxframe_aligned, rx_ts = meas.get_samples()
     logging.debug("tx_ts {}, rx_ts {}".format(tx_ts, rx_ts))
     coefs_am, coefs_pm = model.get_next_coefs(txframe_aligned, rxframe_aligned)
diff --git a/dpd/poly.coef b/dpd/poly.coef
index d1e9967..f65e369 100644
--- a/dpd/poly.coef
+++ b/dpd/poly.coef
@@ -1,11 +1,11 @@
 5
-0.9999999999999999
-0.013989416705029524
--0.17875129566117912
-1.189037605717911
--1.7871717414839607
--0.005118865951385803
-0.06831365867284998
--0.32196849299538066
-0.6598790120324084
--0.5099783166759195
+1
+0
+0
+0
+0
+0
+0
+0
+0
+0
-- 
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