__init__.py

@@ -15,11 +15,8 @@ class EndlessSequencer(Application):
         self.DEBUG = False
         self.is_loading = True
         self.loading_text = 'Loading'
-        self.blm = bl00mbox.Channel("Endless Sequencer")
-        self.blm.volume = 8000
         self.kick = None
         self.notes = []
-        self.samples = []
         self.leds_ids = list(range(40))
         self.sample_names = [
                 'kick.wav',
@@ -42,6 +39,35 @@ class EndlessSequencer(Application):
         self.time_signature_txt = ['1/16', '1/8', '1/4']
         self.current_time_signature = 1 # 1/8
 
+    def get_help(self):
+        ret = ( "Hold petal 0 and press petals 2-8 to record a sequence in order.\n\n"
+                "Press petal 1 to add silence, press petal 9 to reset the sequence.\n\n"
+                "Use the app button l/r to adjust bpm.\n\n"
+                "Plays in background unless the sequence is empty when exiting.\n\n"
+                )
+        return ret
+
+
+    def on_enter(self, vm):
+        super().on_enter(vm)
+        try:
+            self.blm.foreground = True
+        except:
+            self.blm = bl00mbox.Channel("Endless Sequencer")
+            self.mixer = self.blm.new(bl00mbox.plugins.mixer, len(self.sample_names))
+            self.mixer.signals.output >> self.blm.signals.line_out
+            self.mixer.signals.gain.mult = 1
+            self.samples = []
+            self.is_loading = True
+
+    def on_exit(self):
+        super().on_exit()
+        if len(self.notes) > 0:
+            self.blm.callback = self.play_seq
+            self.blm.background_mute_override = True
+        else:
+            self.blm.delete()
+
     def draw(self, ctx: Context) -> None:
         ctx.rgb(*colours.BLACK)
         ctx.rectangle(
@@ -146,15 +172,16 @@ class EndlessSequencer(Application):
             if self.DEBUG: 
                 print("Loading {}".format(spl))
 
-            sample = self.blm.new(bl00mbox.patches.sampler, self.app_path + spl)
-            sample.signals.output = self.blm.mixer
+            sample = self.blm.new(bl00mbox.plugins.sampler, self.app_path + spl)
+            sample.signals.playback_output >> self.mixer.signals.input[next]
             self.samples.append(sample)
         else:
             #if self.DEBUG:
             #    print("Loading finished.")
             self.is_loading = False
 
-        ct = captouch.read()
+        edge = self.input.captouch.petals
+        hold = ins.captouch.petals
 
         # Input command
         btn = self.input.buttons.app
@@ -163,14 +190,14 @@ class EndlessSequencer(Application):
         if btn.right.repeated or btn.right.pressed:
             self.bpm += 1
 
-        if ct.petals[9].pressed: #reset
+        if edge[9].whole.pressed: #reset
             if self.DEBUG:
                 print("CLEAR SEQ")
             self.notes = []
             self.current_note = 0
             self.current_sample = 0
 
-        if ct.petals[0].pressed: #record
+        if hold[0].pressed: #record
             if self.DEBUG:
                 print("REC SEQ")
 
@@ -179,24 +206,23 @@ class EndlessSequencer(Application):
             # Get sequence
             for i in range(2, 9):
                 sample_id = i-2
-                if ct.petals[i].pressed and sample_id < len(self.sample_names):
+                if edge[i].whole.pressed and sample_id < len(self.sample_names):
                     if self.DEBUG:
                         print('  seq {}'.format(self.sample_names[sample_id]))
                     self.notes.append(sample_id)
                     self.play_sample(sample_id)
                     time.sleep(0.15)
-            if ct.petals[1].pressed:
+            if edge[1].whole.pressed:
                 self.notes.append(self.SILENCE)
                 time.sleep(0.15)
 
         # Light petal
+        leds.set_all_rgb(0, 0, 0)
         for i in range(10):
-
-            if ct.petals[i].pressed or \
+            if hold[i].pressed or \
                     (self.current_sample == i-2
-                     and not ct.petals[0].pressed
+                     and not hold[0].pressed
                      and len(self.notes) > 0):
-                leds.set_all_rgb(0, 0, 0)
 
                 # Select led range
                 led_id = i*4
@@ -225,8 +251,10 @@ class EndlessSequencer(Application):
         leds.update()
 
         # Play sequence if nothing is pressed
-        if len(self.notes) > 0 and not ct.petals[0].pressed:
-            self.play_seq()
+        if len(self.notes) > 0 and not hold[0].pressed:
+            self.blm.callback = self.play_seq
+        else:
+            self.blm.callback = None
 
     def next_bpm(self):
         # taken from binarybrain code
@@ -239,9 +267,9 @@ class EndlessSequencer(Application):
         if i < len(self.samples):
             if self.DEBUG and i in self.sample_names:
                 print (self.sample_names[i])
-            self.samples[i].signals.trigger.start()
+            self.samples[i].signals.playback_trigger.start()
 
-    def play_seq(self):
+    def play_seq(self, ins, delta_ms):
         if self.DEBUG:
             print("PLAY SEQ")
 
@@ -262,5 +290,4 @@ class EndlessSequencer(Application):
 
 if __name__ == "__main__":
     import st3m.run
-    st3m.run.run_view(EndlessSequencer(ApplicationContext()))
-
+    st3m.run.run_app(EndlessSequencer, "/sd/apps/rorist-endless-sequencer")

flow3r.toml

@@ -10,4 +10,4 @@ author = "Rorist"
 license = "MIT"
 url = "https://git.flow3r.garden/rorist/endless-sequencer"
 description = "Sequencer mimicic the OP-1, hold REC to add a step to the sequence, press NXT to add a silence and press RST to reset the sequence."
-version = 13
+version = 14