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Diffstat (limited to 'docs/library/pyb.USB_VCP.rst')
| -rw-r--r-- | docs/library/pyb.USB_VCP.rst | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/docs/library/pyb.USB_VCP.rst b/docs/library/pyb.USB_VCP.rst index 4e34af2586..4c4fe45168 100644 --- a/docs/library/pyb.USB_VCP.rst +++ b/docs/library/pyb.USB_VCP.rst @@ -44,16 +44,12 @@ Methods .. method:: USB_VCP.read([nbytes]) Read at most ``nbytes`` from the serial device and return them as a - bytes object. If ``nbytes`` is not specified then the method acts as - ``readall()``. USB_VCP stream implicitly works in non-blocking mode, + bytes object. If ``nbytes`` is not specified then the method reads + all available bytes from the serial device. + USB_VCP stream implicitly works in non-blocking mode, so if no pending data available, this method will return immediately with ``None`` value. -.. method:: USB_VCP.readall() - - Read all available bytes from the serial device and return them as - a bytes object, or ``None`` if no pending data available. - .. method:: USB_VCP.readinto(buf, [maxlen]) Read bytes from the serial device and store them into ``buf``, which |