From 66c4b7d986d0aac1d2b30d13770cc68327724934 Mon Sep 17 00:00:00 2001
From: Mark Whitehorn <kd0aij@gmail.com>
Date: Wed, 22 Nov 2017 10:38:34 -0700
Subject: [PATCH] AP_HAL: support SBusOut

rename enable_sbus_out to enable_px4io_sbus_out
---
 libraries/AP_HAL/RCOutput.h     | 5 +++--
 libraries/AP_HAL/UARTDriver.cpp | 2 +-
 libraries/AP_HAL/UARTDriver.h   | 8 ++++++++
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/libraries/AP_HAL/RCOutput.h b/libraries/AP_HAL/RCOutput.h
index 5a5b188fd2..eb3f2bd14b 100644
--- a/libraries/AP_HAL/RCOutput.h
+++ b/libraries/AP_HAL/RCOutput.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "AP_HAL_Namespace.h"
+#include <stdint.h>
 
 #define RC_OUTPUT_MIN_PULSEWIDTH 400
 #define RC_OUTPUT_MAX_PULSEWIDTH 2100
@@ -114,9 +115,9 @@ public:
     virtual float    scale_esc_to_unity(uint16_t pwm) { return 0; }
 
     /*
-      enable SBUS out at the given rate
+      enable PX4IO SBUS out at the given rate
      */
-    virtual bool     enable_sbus_out(uint16_t rate_hz) { return false; }
+    virtual bool enable_px4io_sbus_out(uint16_t rate_hz) { return false; }
 
     /*
      * Optional method to control the update of the motors. Derived classes
diff --git a/libraries/AP_HAL/UARTDriver.cpp b/libraries/AP_HAL/UARTDriver.cpp
index 0ad15746aa..8795efc60b 100644
--- a/libraries/AP_HAL/UARTDriver.cpp
+++ b/libraries/AP_HAL/UARTDriver.cpp
@@ -18,7 +18,7 @@
 #include "utility/print_vprintf.h"
 #include "UARTDriver.h"
 
-/* 
+/*
    BetterStream method implementations
    These are implemented in AP_HAL to ensure consistent behaviour on
    all boards, although they can be overridden by a port
diff --git a/libraries/AP_HAL/UARTDriver.h b/libraries/AP_HAL/UARTDriver.h
index 1005fbcda1..a25e77e8f0 100644
--- a/libraries/AP_HAL/UARTDriver.h
+++ b/libraries/AP_HAL/UARTDriver.h
@@ -45,6 +45,14 @@ public:
     virtual void set_flow_control(enum flow_control flow_control_setting) {};
     virtual enum flow_control get_flow_control(void) { return FLOW_CONTROL_DISABLE; }
 
+    virtual void configure_parity(uint8_t v){};
+    virtual void set_stop_bits(int n){};
+
+    /* unbuffered writes bypass the ringbuffer and go straight to the
+     * file descriptor
+     */
+    virtual bool set_unbuffered_writes(bool on){ return false; };
+
     /* Implementations of BetterStream virtual methods. These are
      * provided by AP_HAL to ensure consistency between ports to
      * different boards