todbot · October 15, 2024 22:37 · Oct 15, 2024
diff --git a/touchio_debug_code.py b/touchio_debug_code.py
@@ -0,0 +1,33 @@
+# touchio_debug_code.py -- debug raw touchio values
+# 15 Oct 2024 - @todbot / Tod Kurt
+# This sketch shows the raw_value and threshold value for each
+# touchio TouchIn input, as well as the normal ".value" boolean
+# Hopefully this will help to debug touchio circuits.
+
+import time
+import board
+import touchio
+
+# these pins are for the first 8 picotouch midi board pads,
+# your board will likely use different pins
+touch_pins = (
+    board.GP0, board.GP1, board.GP2, board.GP3,
+    board.GP4, board.GP5, board.GP6, board.GP7,
+)
+
+touch_ins = []   # holder of all the touchio objects
+for pin in touch_pins:
+    print("creating TouchIn for pin", pin)
+    touch_in = touchio.TouchIn(pin)
+    touch_ins.append(touch_in)
+
+while True:
+    # print out threshold and raw value for each pin
+    for i, touch_in in enumerate(touch_ins):
+        raw_value = touch_in.raw_value
+        threshold = touch_in.threshold
+        touched = touch_in.value  # same as "if raw_value > threshold"
+        touched_str = "*" if touched else " "
+        print("%4d/%4d%s " % (raw_value, threshold, touched_str), end='')
+    print()
+    time.sleep(0.1)