From 11167eff189b0d23d8f88ada09f975dc7f2d80fc Mon Sep 17 00:00:00 2001
From: sotech117 <michael_foiani@brown.edu>
Date: Fri, 15 Dec 2023 00:10:48 -0500
Subject: remove print statement

---
 Recv.py   | 5 ++---
 Sender.py | 3 +--
 utils.py  | 8 +++-----
 3 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/Recv.py b/Recv.py
index 9c4ee6a..b5cfcfd 100644
--- a/Recv.py
+++ b/Recv.py
@@ -71,8 +71,7 @@ class Recv:
 
         while True:
             data = self.read_audio_stream()
-            recv_freq_range = self.freq_range / 2
-            bits = wave_to_bits(data, self.start_freq, recv_freq_range, self.bytes_per_transmit)
+            bits = wave_to_bits(data, self.start_freq, self.freq_range, self.bytes_per_transmit)
 
             # handle the data flags
             is_data_flag = bits[-1]
@@ -100,7 +99,7 @@ class Recv:
                 # FIXME: what to do with buffer?
                 # for now print buffer as string
                 buffer_as_string = ''.join([utils.receive_string(byte) for byte in recv_buffer])
-                print("recv_buffer: ", buffer_as_string)
+                print("received data: ", buffer_as_string)
 
                 # clear data structure & buffer
                 continue
diff --git a/Sender.py b/Sender.py
index 1d6fd0c..dcbbf56 100644
--- a/Sender.py
+++ b/Sender.py
@@ -143,8 +143,7 @@ class LinkLayer:
 
     def transmit_string(self, data):
         data_list = string_to_binary(data)
-        send_freq_range = self.freq_range / 2
-        play_data(data_list, self.start_freq, send_freq_range, self.bytes_per_transmit, self.stream)
+        play_data(data_list, self.start_freq, self.freq_range, self.bytes_per_transmit, self.stream)
 
     def send_data(self):
         while True:
diff --git a/utils.py b/utils.py
index fcbb278..9706e35 100644
--- a/utils.py
+++ b/utils.py
@@ -68,11 +68,9 @@ def play_data(data, start_freq, freq_step, bytes_per_transmit, stream):
     flip_flag = 0  # TODO: make this global between plays
     for byte in data:
         byte = byte + str(flip_flag) + '1'
-        print(byte)
         samples = None
         for i, bit in enumerate(byte):
             if bit == '1':
-                print(freq_list[i])
                 s = .125 * np.sin(2 * np.pi * np.arange(44100 * send_duration) * freq_list[i] / 44100)
                 if samples is None:
                     samples = s
@@ -86,8 +84,8 @@ def play_data(data, start_freq, freq_step, bytes_per_transmit, stream):
 def receive_string(binary):
     binary_string = ''.join(binary)
     try:
-        print(chr(int(binary_string, 2)))
+        # print(chr(int(binary_string, 2)))
         return chr(int(binary_string, 2))
     except ValueError:
-        print("Warn: Invalid binary data: ", binary_string)
-        return 'X'
+        # print("Warn: Invalid binary data: ", binary_string)
+        return ''
-- 
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