micropython: add micropython component

components/language/micropython/examples/hwapi/button_reaction.py

@@ -0,0 +1,21 @@
+import utime
+import machine
+from hwconfig import LED, BUTTON
+
+# machine.time_pulse_us() function demo
+
+print(
+    """\
+Let's play an interesting game:
+You click button as fast as you can, and I tell you how slow you are.
+Ready? Cliiiiick!
+"""
+)
+
+while 1:
+    delay = machine.time_pulse_us(BUTTON, 1, 10 * 1000 * 1000)
+    if delay < 0:
+        print("Well, you're *really* slow")
+    else:
+        print("You are as slow as %d microseconds!" % delay)
+    utime.sleep_ms(10)