finally check in captouch-only hwtest

Author: todbot

circuitpython/hwtest/hwtest_captouch.py

@@ -0,0 +1,23 @@
+# pico_test_synth_hwtest_captouch.py -- test pico_test_synth captouch pads
+# 15 Feb 2024 - @todbot / Tod Kurt
+# Note: requires a wide terminal (110chars)
+import time
+import board
+import touchio
+
+touch_pins = (
+    board.GP0, board.GP1, board.GP2, board.GP3, board.GP4, board.GP5,
+    board.GP6, board.GP7 ,board.GP8, board.GP9, board.GP10, board.GP11,
+    board.GP12, board.GP13, board.GP14, board.GP15 )
+
+touchins = []
+for pin in touch_pins:
+    print("touch pin:", pin)   # print here let's us diagnose if a pin is bad
+    touchin = touchio.TouchIn(pin)
+    touchin.threshold = int(touchin.threshold * 1.05)
+    touchins.append(touchin)
+
+while True:
+    print("touch:","".join(['1' if t.value else '0' for t in touchins]), 
+          "".join(["%4d " % t.raw_value for t in touchins]))
+    time.sleep(0.05)