AP_HAL: added HalfDuplex UART option

6 years ago · 58ed5a123c
1 changed files with 3 additions and 2 deletions
--- a/libraries/AP_HAL/UARTDriver.h
+++ b/libraries/AP_HAL/UARTDriver.h
@ -49,8 +49,9 @@ public:
				@@ -49,8 +49,9 @@ public:
    virtual bool set_options(uint8_t options) { return options==0; }

    enum {
-        OPTION_RXINV=(1U<<0), // invert RX line
-        OPTION_TXINV=(1U<<1), // invert TX line
+        OPTION_RXINV=(1U<<0),  // invert RX line
+        OPTION_TXINV=(1U<<1),  // invert TX line
+        OPTION_HDPLEX=(1U<<2), // half-duplex (one-wire) mode
    };

    enum flow_control {