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| -rw-r--r-- | docs/library/machine.UART.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/library/machine.UART.rst b/docs/library/machine.UART.rst index 8fb42cfe8..e23952573 100644 --- a/docs/library/machine.UART.rst +++ b/docs/library/machine.UART.rst @@ -63,6 +63,12 @@ Methods - *timeout* specifies the time to wait for the first character (in ms). - *timeout_char* specifies the time to wait between characters (in ms). - *invert* specifies which lines to invert. + + - ``0`` will not invert lines (idle state of both lines is logic high). + - ``UART.INV_TX`` will invert TX line (idle state of TX line now logic low). + - ``UART.INV_RX`` will invert RX line (idle state of RX line now logic low). + - ``UART.INV_TX | UART.INV_RX`` will invert both lines (idle state at logic low). + - *flow* specifies which hardware flow control signals to use. The value is a bitmask. |