From ef083f3740516570e64112ed0aa6bb8220a88604 Mon Sep 17 00:00:00 2001
From: Anthony Wang <a@exozy.me>
Date: Mon, 3 Oct 2022 17:54:32 -0400
Subject: [PATCH] Use pysinewave (terrible library :(((()))))

---
 beepemu | 30 ++++++++++++++++++++++++++++++
 mic.py  | 14 +++++++-------
 2 files changed, 37 insertions(+), 7 deletions(-)
 create mode 100755 beepemu

diff --git a/beepemu b/beepemu
new file mode 100755
index 0000000..b74d197
--- /dev/null
+++ b/beepemu
@@ -0,0 +1,30 @@
+#!/usr/bin/python
+
+import math
+import sys
+import time
+from pysinewave import SineWave
+
+i = 1
+f = 0
+l = 0
+while i < len(sys.argv):
+    if sys.argv[i] == '-f':
+        i += 1
+        f = float(sys.argv[i])
+    elif sys.argv[i] == '-l':
+        i += 1
+        l = float(sys.argv[i])/1000
+    elif sys.argv[i] == '-D':
+        i += 1
+        time.sleep(float(sys.argv[i])/1000)
+    if f != 0 and l != 0:
+        print(f, l)
+        s = SineWave(pitch_per_second=1000)
+        s.set_frequency(f)
+        s.play()
+        time.sleep(l)
+        s.stop()
+        f = 0
+        l = 0
+    i += 1
diff --git a/mic.py b/mic.py
index 9b518f3..18b73e8 100644
--- a/mic.py
+++ b/mic.py
@@ -6,7 +6,7 @@ audio = pyaudio.PyAudio()
 stream = audio.open(
     format = pyaudio.paInt16,
     channels = 1,
-    rate=44100,
+    rate=88200,
     input=True
 )
 
@@ -16,21 +16,21 @@ curfreq = 0
 stop = False
 
 while True:
-    chunk = stream.read(2048)
-    w = np.fft.fft(list(chunk))[10:100]
-    f = np.fft.fftfreq(4196)
+    chunk = stream.read(4096)
+    w = np.fft.fft(list(chunk))[10:200]
+    f = np.fft.fftfreq(8192)
     i = 10+np.argmax(np.abs(w))
     mag = abs(w[i-10])
-    freq = abs(2 * f[i] * 44100)
+    freq = abs(2 * f[i] * 88200)
 
-    if mag > 50000 and curfreq == 0:
+    if mag > 100000 and curfreq == 0:
         # Detected mic input
         # Start new freq
         stop = False
         curfreq = freq
         print('Starting', curfreq)
         get('http://10.242.6.228:5000/startfreq/' + str(curfreq))
-    elif mag <= 50000 or abs(curfreq-freq) > 20:
+    elif mag <= 100000 or abs(curfreq-freq) > 20:
         if stop and curfreq != 0:
             print('Stopping', curfreq)
             get('http://10.242.6.228:5000/stopfreq/' + str(curfreq))