tiny bugfixes in demo application

python_payload/main.py

@@ -42,7 +42,7 @@ def draw_text_big(text, x, y):
 def highlight_bottom_petal(num, r, g, b):
     start = 4 + 8*num
     for i in range(7):
-        set_led_rgb((i+start%40), r, g, b)
+        set_led_rgb(((i+start)%40), r, g, b)
     update_leds()
     
 def long_bottom_petal_captouch_blocking(num, ms):
@@ -96,7 +96,7 @@ def run_menu():
         cap_touch_demo.foreground()
     if long_bottom_petal_captouch_blocking(1,20):
         clear_all_leds()
-        highlight_bottom_petal(0,255,0,0)
+        highlight_bottom_petal(1,255,0,0)
         display_fill(background)
         display_update()
         foreground = melodic_demo.run

python_payload/melodic_demo.py

 from synth import tinysynth
 from hardware import *
 
-
 octave = 0
 synths = []
 scale = [0,2,4,5,7,9,11]
 
-def set_chord(i):
-    global chord_index
-    global chord
-    if(i != chord_index):
-        chord_index = i
-        for j in range(40):
-            hue = int(72*(i+0.5)) % 360
-            set_led_hsv(j, hue, 1, 0.5)
-        chord = chords[i]
-        print("set chord " +str(i))
+def highlight_bottom_petal(num, r, g, b):
+    start = 4 + 8*num
+    for i in range(7):
+        set_led_rgb(((i+start)%40), r, g, b)
+
+def change_playing_field_color(r,g,b):
+    highlight_bottom_petal(0, r, g, b)
+    highlight_bottom_petal(1, r, g, b)
+    highlight_bottom_petal(3, r, g, b)
+    highlight_bottom_petal(4, r, g, b)
+    highlight_bottom_petal(2, 255, 0, 255)
+    set_led_rgb(18, 255, 0, 255)
+    set_led_rgb(19, 255, 0, 255)
+    set_led_rgb(27, 255, 0, 255)
+    set_led_rgb(28, 255, 0, 255)
     update_leds()
 
+def adjust_playing_field_to_octave():
+    global octave
+    if(octave == -1):
+        change_playing_field_color(0,0,255)
+    elif(octave == 0):
+        change_playing_field_color(0,127,127)
+    elif(octave == 1):
+        change_playing_field_color(0,255,0)
+
 def run():
     global scale
     global octave
@@ -26,10 +39,13 @@ def run():
         if(get_captouch(i)):
             if(i == 4):
                 octave = -1
+                adjust_playing_field_to_octave()
             elif(i == 5):
                 octave = 0
+                adjust_playing_field_to_octave()
             elif(i == 6):
                 octave = 1
+                adjust_playing_field_to_octave()
             else:
                 k = i
                 if(k>3):
@@ -41,27 +57,11 @@ def run():
 
 def init():
     global synths
-
     for i in range(1):
         synths += [tinysynth(440,1)]
-
     for synth in synths:
         synth.decay(100)
         synth.waveform(1)
 
-def highlight_bottom_petal(num, r, g, b):
-    start = 4 + 8*num
-    for i in range(7):
-        set_led_rgb((i+start%40), r, g, b)
-    update_leds()
-
 def foreground():
-    highlight_bottom_petal(0, 0, 0, 255)
-    highlight_bottom_petal(1, 0, 0, 255)
-    highlight_bottom_petal(4, 0, 0, 255)
-    highlight_bottom_petal(3, 0, 0, 255)
-    set_led_rgb(18, 255, 0, 255)
-    set_led_rgb(19, 255, 0, 255)
-    set_led_rgb(27, 255, 0, 255)
-    set_led_rgb(28, 255, 0, 255)
-    highlight_bottom_petal(2, 255, 0, 255)
+    adjust_playing_field_to_octave()