From 75edb689e503769dcb1ab228e4a59ea2e0cf8d9e Mon Sep 17 00:00:00 2001
From: sara <sara.halter@gmx.ch>
Date: Tue, 14 Dec 2021 18:57:29 +0100
Subject: BER block angepasst

---
 src/gr-fadingui/python/ber.py | 34 ++++++++++++++++++++++++++++------
 1 file changed, 28 insertions(+), 6 deletions(-)

(limited to 'src/gr-fadingui/python/ber.py')

diff --git a/src/gr-fadingui/python/ber.py b/src/gr-fadingui/python/ber.py
index 205dcd4..1c5debf 100644
--- a/src/gr-fadingui/python/ber.py
+++ b/src/gr-fadingui/python/ber.py
@@ -23,6 +23,7 @@ import socket
 from urllib.parse import urlparse
 
 import numpy as np
+from numpy_ringbuffer import RingBuffer
 from gnuradio import gr
 
 from fadingui.logger import get_logger
@@ -42,6 +43,9 @@ class ber(gr.sync_block):
         self.vgl=vgl
         self.vlen=vlen
 
+        self.ber_samples = RingBuffer(capacity=2000, dtype=int)
+        self.ber_samples.extend(np.zeros(self.ber_samples.maxlen))
+
         # Create a socket and parse remote machine url
         self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
         self.url = urlparse(address)
@@ -65,14 +69,23 @@ class ber(gr.sync_block):
         # FIXME: this could be (very) slow, is there a faster way with numpy?
         # Maybe numpy.array2string
         return bytes(str(data) + "\n", "ascii")
-    
+
+    def ber_stats(self):
+        ber_max = np.max(self.ber_samples)
+        ber_min = np.min(self.ber_samples)
+        ber_avg = np.sum(self.ber_samples) / self.ber_samples.maxlen
+
+        return ber_max, ber_min, ber_avg    
+
 
     def work(self, input_items, output_items):
         inp = input_items[0]
 
         log.debug(f"Length: {len(inp)}")
-        log.debug(f"Inp_vector:{inp}")
+        # log.debug(f"Inp_vector:{inp}")
+
         
+
         for i in inp:
             i = np.array(i, dtype=np.uint8)
             v = np.array(self.vgl, dtype=np.uint8) ^ i
@@ -81,11 +94,20 @@ class ber(gr.sync_block):
             trueber = ber - 32
             if trueber < 0:
                 trueber = 0
-            log.debug(f"BER {trueber} in Paket {i}")
-        
-            self.send(self.encode(trueber))
+            # log.debug(f"BER {trueber} in Paket {i}")
+
+            self.ber_samples.appendleft(trueber)
 
-        return len(inp)
 
+        ber_max, ber_min, ber_avg = self.ber_stats()
+        log.debug(f"Statistics: {ber_max}, {ber_min}, {ber_avg}")
+
+        #self.send(self.encode(ber_max, ber_min, ber_avg))
+        self.send(self.encode(trueber))
+        self.send(self.encode(ber_max))
+        self.send(self.encode(ber_min))
+        self.send(self.encode(ber_avg))
+
+        return len(inp)
         #return len(input_items[0])
 
-- 
cgit v1.2.1