diff options
Diffstat (limited to 'docs/library')
| -rw-r--r-- | docs/library/machine.UART.rst | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/library/machine.UART.rst b/docs/library/machine.UART.rst index e23952573..1d54174c9 100644 --- a/docs/library/machine.UART.rst +++ b/docs/library/machine.UART.rst @@ -87,10 +87,22 @@ Methods When no pins are given, then the default set of TX and RX pins is taken, and hardware flow control will be disabled. If *pins* is ``None``, no pin assignment will be made. + .. note:: + It is possible to call ``init()`` multiple times on the same object in + order to reconfigure UART on the fly. That allows using single UART + peripheral to serve different devices attached to different GPIO pins. + Only one device can be served at a time in that case. + Also do not call ``deinit()`` as it will prevent calling ``init()`` + again. + .. method:: UART.deinit() Turn off the UART bus. + .. note:: + You will not be able to call ``init()`` on the object after ``deinit()``. + A new instance needs to be created in that case. + .. method:: UART.any() Returns an integer counting the number of characters that can be read without |