Minor bug fixes and tweaks

python/config.py

@@ -3,14 +3,13 @@ from __future__ import print_function
 from __future__ import division
 import os
 
-N_PIXELS = 60
+N_PIXELS = 240
 """Number of pixels in the LED strip (must match ESP8266 firmware)"""
 
 GAMMA_TABLE_PATH = os.path.join(os.path.dirname(__file__), 'gamma_table.npy')
 """Location of the gamma correction table"""
 
-UDP_IP = '192.168.0.101'
-#UDP_IP = '192.168.137.28'
+UDP_IP = '192.168.1.150'
 """IP address of the ESP8266"""
 
 UDP_PORT = 7777
@@ -19,7 +18,7 @@ UDP_PORT = 7777
 MIC_RATE = 44100
 """Sampling frequency of the microphone in Hz"""
 
-FPS = 50
+FPS = 45
 """Desired LED strip update rate in frames (updates) per second
 
 This is the desired update rate of the LED strip. The actual refresh rate of
@@ -57,7 +56,7 @@ One downside to using a variance threshold is that it is an absolute threshold
 which is affected by the current volume.
 """
 
-N_SUBBANDS = 40  # 240 #48
+N_SUBBANDS = 80  # 240 #48
 """Number of frequency bins to use for beat detection
 
 More subbands improve beat detection sensitivity but it may become more

python/led.py

@@ -5,7 +5,7 @@ import config
 
 _sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
 _gamma = np.load('gamma_table.npy')
-_prev_pixels = np.tile(0, (config.N_PIXELS, 3))
+_prev_pixels = np.tile(255, (config.N_PIXELS, 3))
 
 pixels = np.tile(1, (config.N_PIXELS, 3))
 """Array containing the pixel values for the LED strip"""
@@ -28,6 +28,5 @@ def update():
 
 
 if __name__ == '__main__':
-
-    pixels += 0.0
+    pixels = pixels * 0
     update()

python/sandbox.py

@@ -10,7 +10,6 @@ import dsp
 import led
 
 
-
 def rainbow(length, speed=1.0 / 5.0):
     """Returns a rainbow colored array with desired length
         
@@ -164,7 +163,6 @@ def update_leds_6(y):
         Array containing the onset energies that should be visualized.
         The 
     """
-    
     # Scale y to emphasize large spikes and attenuate small changes
     # Exponents < 1.0 emphasize small changes and penalize large spikes
     # Exponents > 1.0 emphasize large spikes and penalize small changes
@@ -394,11 +392,13 @@ def microphone_update(stream):
     plot_y = [onsets.value**i for i in np.linspace(1, 0.25, config.N_CURVES)]
     update_plot_1(plot_x, plot_y)
     app.processEvents()
-    print('{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}'.format(SF_peak.value,
-                                                          NWPD_peak.value,
-                                                          RCD_peak.value,
-                                                          onset_peak.value,
-                                                          frames_per_second()))
+    print('FPS {:.2f} / {:.2f}'.format(frames_per_second(), config.FPS))
+
+    # print('{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}'.format(SF_peak.value,
+    #                                                       NWPD_peak.value,
+    #                                                       RCD_peak.value,
+    #                                                       onset_peak.value,
+    #                                                       frames_per_second()))
 
 
 # Create plot and window
@@ -450,7 +450,7 @@ y_roll = np.random.rand(config.N_ROLLING_HISTORY, samples_per_frame) / 100.0
 # update_leds_4 = brightness modulation effect (GAMMA = True)
 # update_leds_5 = energy flux normalized per-bin spectrum (GAMMA = True)
 # update_leds_6 = energy average normalized per-bin spectrum (GAMMA = True)
-led_visualization = update_leds_6
+led_visualization = update_leds_1
 
 if __name__ == '__main__':
     led.update()