docs: Add initial draft documentation for the WiPy.

This makes all common files "port-aware" using the .. only directive.

1 files changed, 17 insertions, 3 deletions

diff --git a/docs/library/time.rst b/docs/library/time.rst
index 1ffce7c247..8595daa888 100644
--- a/docs/library/time.rst
+++ b/docs/library/time.rst
@@ -31,10 +31,24 @@ Functions
    which expresses a time as per localtime. It returns an integer which is
    the number of seconds since Jan 1, 2000.
 
-.. function:: sleep(seconds)
+.. only:: port_pyboard
 
-   Sleep for the given number of seconds.  Seconds can be a floating-point number to
-   sleep for a fractional number of seconds.
+    .. function:: sleep(seconds)
+    
+       Sleep for the given number of seconds.  Seconds can be a floating-point number to
+       sleep for a fractional number of seconds.
+
+.. only:: port_esp8266
+
+    .. function:: sleep(seconds)
+    
+       Sleep for the given number of seconds.
+
+.. only:: port_wipy
+
+    .. function:: sleep(milliseconds)
+    
+       Sleep for the given number of milliseconds.
 
 .. function:: time()