Resolves #56 by moving kmk.common.* up a level to kmk.*

kmk/kmktime.py

@@ -0,0 +1,33 @@
+import math
+
+try:
+    import utime as time
+    USE_UTIME = True
+except ImportError:
+    import time
+    USE_UTIME = False
+
+
+def sleep_ms(ms):
+    '''
+    Tries to sleep for a number of milliseconds in a cross-implementation
+    way. Will raise an ImportError if time is not available on the platform.
+    '''
+    if USE_UTIME:
+        return time.sleep_ms(ms)
+    else:
+        return time.sleep(ms / 1000)
+
+
+def ticks_ms():
+    if USE_UTIME:
+        return time.ticks_ms()
+    else:
+        return math.floor(time.monotonic() * 1000)
+
+
+def ticks_diff(new, old):
+    if USE_UTIME:
+        return time.ticks_diff(new, old)
+    else:
+        return new - old