copy-paste from examples

morse.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+
+import sys
+import time
+
+import blinkt
+
+blinkt.set_clear_on_exit()
+
+
+def usage():
+    print("Usage: {} <word or phrase>".format(sys.argv[0]))
+    print(sys.argv[1])
+    sys.exit(1)
+
+
+if len(sys.argv) != 4:
+    usage()
+
+# Exit if non integer value. int() will raise a ValueError
+try:
+    r, g, b = [int(x) for x in sys.argv[1:]]
+except ValueError:
+    usage()
+
+# Exit if any of r, g, b are greater than 255
+if max(r, g, b) > 255:
+    usage()
+
+
+def show_all(state):
+    for i in range(blinkt.NUM_PIXELS):
+        val = state * 255
+        blinkt.set_pixel(i, val, val, val)
+    blinkt.show()
+
+
+def dot():
+    show_all(1)
+    time.sleep(0.05)
+    show_all(0)
+    time.sleep(0.2)
+
+
+def dash():
+    show_all(1)
+    time.sleep(0.2)
+    show_all(0)
+    time.sleep(0.2)
+
+
+def space():
+    time.sleep(0.2)
+
+
+print("Setting Blinkt to {r},{g},{b}".format(r=r, g=g, b=b))
+
+blinkt.set_clear_on_exit(False)
+
+blinkt.set_all(r, g, b)
+
+blinkt.show()