Change midi timestamps and playing/saving timestamps to time.perf_cou…

…nter()

lib/functions.py

@@ -59,7 +59,7 @@ def shift(lst, num_shifts):
 
 
 def play_midi(song_path, midiports, saving, menu, ledsettings, ledstrip):
-    midiports.midifile_queue.append((mido.Message('note_on'), time.time()))
+    midiports.midifile_queue.append((mido.Message('note_on'), time.perf_counter()))
 
     if song_path in saving.is_playing_midi.keys():
         menu.render_message(song_path, "Already playing", 2000)
@@ -81,10 +81,10 @@ def play_midi(song_path, midiports, saving, menu, ledsettings, ledstrip):
         for message in mid:
             if song_path in saving.is_playing_midi.keys():
                 if not t0:
-                    t0 = time.time()
+                    t0 = time.perf_counter()
 
                 total_delay += message.time
-                current_time = (time.time() - t0) + message.time
+                current_time = (time.perf_counter() - t0) + message.time
                 drift = total_delay - current_time
 
                 if drift < 0:
@@ -94,7 +94,7 @@ def play_midi(song_path, midiports, saving, menu, ledsettings, ledstrip):
                 if delay < 0:
                     delay = 0
 
-                msg_timestamp = time.time() + delay
+                msg_timestamp = time.perf_counter() + delay
                 if delay > 0:
                     time.sleep(delay)
                 if not message.is_meta:
@@ -202,14 +202,14 @@ def screensaver(menu, midiports, saving, ledstrip, ledsettings):
     while True:
         manage_idle_animation(ledstrip, ledsettings, menu)
 
-        if (time.time() - saving.start_time) > 3600 and delay < 0.5 and menu.screensaver_is_running is False:
+        if (time.perf_counter() - saving.start_time) > 3600 and delay < 0.5 and menu.screensaver_is_running is False:
             delay = 0.9
             interval = 5 / float(delay)
             cpu_history = [None] * int(interval)
             cpu_average = 0
             i = 0
 
-        if int(menu.screen_off_delay) > 0 and ((time.time() - saving.start_time) > (int(menu.screen_off_delay) * 60)):
+        if int(menu.screen_off_delay) > 0 and ((time.perf_counter() - saving.start_time) > (int(menu.screen_off_delay) * 60)):
             menu.screen_status = 0
             GPIO.output(24, 0)
 
@@ -277,7 +277,7 @@ def screensaver(menu, midiports, saving, ledstrip, ledsettings):
         try:
             if str(midiports.inport.poll()) != "None":
                 menu.screensaver_is_running = False
-                saving.start_time = time.time()
+                saving.start_time = time.perf_counter()
                 menu.screen_status = 1
                 GPIO.output(24, 1)
                 midiports.reconnect_ports()
@@ -288,7 +288,7 @@ def screensaver(menu, midiports, saving, ledstrip, ledsettings):
             pass
         if GPIO.input(KEY2) == 0:
             menu.screensaver_is_running = False
-            saving.start_time = time.time()
+            saving.start_time = time.perf_counter()
             menu.screen_status = 1
             GPIO.output(24, 1)
             midiports.reconnect_ports()

lib/midiports.py

@@ -104,4 +104,4 @@ def reconnect_ports(self):
             print("Can't reconnect play port: " + port)
 
     def msg_callback(self, msg):
-        self.midi_queue.append((msg, time.time()))
+        self.midi_queue.append((msg, time.perf_counter()))

lib/savemidi.py

@@ -13,7 +13,7 @@ def __init__(self):
         self.menu = None
         self.is_recording = False
         self.is_playing_midi = {}
-        self.start_time = time.time()
+        self.start_time = time.perf_counter()
 
     def add_instance(self, menu):
         self.menu = menu
@@ -75,4 +75,4 @@ def save(self, filename):
         self.menu.render_message("File saved", filename + ".mid", 1500)
 
     def restart_time(self):
-        self.start_time = time.time()
+        self.start_time = time.perf_counter()

visualizer.py

@@ -192,9 +192,9 @@ def start_webserver():
 manage_hotspot(hotspot, usersettings, midiports, True)
 
 # Frame rate counters
-event_loop_stamp = time.time()
+event_loop_stamp = time.perf_counter()
 frame_count = 0
-frame_avg_stamp = time.time()
+frame_avg_stamp = time.perf_counter()
 
 # Main event loop
 
@@ -204,7 +204,7 @@ def start_webserver():
         if (time.time() - midiports.last_activity) > (int(menu.screensaver_delay) * 60):
             screensaver(menu, midiports, saving, ledstrip, ledsettings)
     try:
-        elapsed_time = time.time() - saving.start_time
+        elapsed_time = time.perf_counter() - saving.start_time
     except Exception as e:
         # Handle any other unexpected exceptions here
         print(f"Unexpected exception occurred: {e}")
@@ -501,19 +501,18 @@ def start_webserver():
 
     # Frame time calculations
 
-    # time taken for the last interation of the main event loop
-    event_loop_time = time.time() - event_loop_stamp
+    # time taken for the last iteration of the main event loop
+    event_loop_time = time.perf_counter() - event_loop_stamp
+    event_loop_stamp = time.perf_counter()
 
     frame_count += 1
-    frame_seconds = time.time() - frame_avg_stamp
+    frame_seconds = time.perf_counter() - frame_avg_stamp
 
     # calculate fps average over 2 seconds
     if frame_seconds >= 2:
         fps = frame_count / frame_seconds
         ledstrip.current_fps = fps
 
         # reset counters
-        frame_avg_stamp = time.time()
+        frame_avg_stamp = time.perf_counter()
         frame_count = 0
-
-    event_loop_stamp = time.time()