minor bugfix

micropython/ports/esp32/badge23_mp_synth.c

@@ -32,7 +32,7 @@ STATIC mp_obj_t tinysynth_make_new(const mp_obj_type_t *type, size_t n_args, siz
     self->osc.attack_steps = 3;
     self->osc.vol = 1.;
     self->osc.gate = 0.01;
-    self->osc.freq = mp_obj_get_int(args[0]);
+    self->osc.freq = mp_obj_get_float(args[0]);
     self->osc.counter = 0;
     self->osc.bend = 1;
     self->osc.noise_reg = 1;

python_payload/cap_touch_demo.py

@@ -6,19 +6,16 @@ synths = []
 for i in range(5):
     synths += [tinysynth(440,1)]
 
-chords = [[0,3,7,10,12],[-2,2,5,8,10],[i-2,3,7,10,14],[-4,0,3,8,12],[-1,2,5,7,11]]
+chords = [[0,3,7,10,12],[-2,2,5,8,10],[-2,3,7,10,14],[-4,0,3,8,12],[-1,2,5,7,11]]
 
-def tune_guitar_to_chord(chord):
-    for j in range(5):
-        frq = 440 * (2**(chord[j]/12))
-        synths[j].freq(int(frq))
-
-tune_guitar_to_chord(chords[2])
+chord = chords[3]
 
 while True:
     for i in range(10):
         if(get_captouch(i)):
             if(i%2):
-                tune_guitar_to_chord(chords[int((i-1)/2)])
+                chord = chords[int((i-1)/2)]
             else:
-                synths[int(i/2)].start()
+                i = int(i/2)
+                synths[i].freq(440*(2**(chord[i]/12)))
+                synths[i].start()