From 5481f7cd6fca55a54c4c386204e0971cd1b6c036 Mon Sep 17 00:00:00 2001
From: sara <sara.halter@gmx.ch>
Date: Mon, 29 Nov 2021 16:56:27 +0100
Subject: FIR Block verbessert

---
 src/gr-fadingui/grc/fadingui_multipath_fading.block.yml |  6 ++++--
 src/gr-fadingui/python/multipath_fading.py              | 15 ++++++---------
 2 files changed, 10 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/gr-fadingui/grc/fadingui_multipath_fading.block.yml b/src/gr-fadingui/grc/fadingui_multipath_fading.block.yml
index 1d374ac..b10826f 100644
--- a/src/gr-fadingui/grc/fadingui_multipath_fading.block.yml
+++ b/src/gr-fadingui/grc/fadingui_multipath_fading.block.yml
@@ -4,7 +4,9 @@ category: '[fadingui]'
 
 templates:
   imports: import fadingui
-  make: fadingui.multipath_fading(amplitudes=${amplitudes}, delays=${delays})
+  make: fadingui.multipath_fading(amplitudes=${amplitudes}, delays=${delays}, los =${los})
+
+
 
 #  Make one 'parameters' list entry for every parameter you want settable from the GUI.
 #     Keys include:
@@ -20,7 +22,7 @@ parameters:
   dtype: raw
 - id: los
   label: LOS/NLOS
-  options: ['True', 'False']
+  options: [True, False]
   option_labels: ['LOS', 'NLOS']
   #default: 'False'
   dtype: bool
diff --git a/src/gr-fadingui/python/multipath_fading.py b/src/gr-fadingui/python/multipath_fading.py
index 02b3bb4..3c34a79 100644
--- a/src/gr-fadingui/python/multipath_fading.py
+++ b/src/gr-fadingui/python/multipath_fading.py
@@ -31,7 +31,7 @@ class multipath_fading(gr.sync_block):
     """
     docstring for block multipath_fading
     """
-    def __init__(self, amplitudes=[], delays=[], los=True):  # only default arguments here
+    def __init__(self, amplitudes, delays, los):  # only default arguments here
         """arguments to this function show up as parameters in GRC"""
         gr.sync_block.__init__(
             self,
@@ -61,22 +61,20 @@ class multipath_fading(gr.sync_block):
         inp = input_items[0]
         oup = output_items[0]
         
+
         if len(self.amplitudes) != len(self.delays):    # Test: Es muss gleich viele Werte für Delays und Amplituden haben.
             raise Exception("Amplitudes and Delay length dont match")
-
-
-        #TO DO negativ check 
+        if np.min(self.delays)<0:   #Negativ Check
+            raise Exception("Delay can't be negativ")
 
         
-
         #    raise Exception("Delay length can't be one")
         #if np.min(self.delays)<=1:
         #    raise Exception("Delay length can't be one")
 
-        #max_len = np.max(self.delays) #Max Werte herausfinden für länge 
-        #sum_x = np.zeros(max_len)
 
-        max_order = 2 * np.floor(np.max(self.delays)) + 1
+
+        max_order = 2 * np.floor(np.max(self.delays)) + 1 #Max Werte herausfinden für länge 
         max_samples = np.arange(0, max_order +1) 
         max_len = len(max_samples) #Für Filter
 
@@ -110,7 +108,6 @@ class multipath_fading(gr.sync_block):
         # signal_shifted = np.convolve(h, inp, mode='full')
         # y = signal_shifted
 
-        #y+=np.concatenate([self.temp,np.zeros(len(y)-len(self.temp))])
         y+=np.concatenate([self.temp,np.zeros(len(y)-len(self.temp))])
 
         oup[:] = y[:len(inp)]
-- 
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