From bd6511dd0a22836accb608f97272a449c2c7f477 Mon Sep 17 00:00:00 2001
From: Randy Mackay <rmackay9@yahoo.com>
Date: Sun, 24 Nov 2013 14:53:08 +0900
Subject: [PATCH] GPS: add GPS_UBLOX_passthrough sketch

This sketch allows the user to configure the Ublox GPS using U-Center
without the need for an FTDI cable.
---
 .../GPS_UBLOX_passthrough.pde                 | 44 +++++++++++++++++++
 .../examples/GPS_UBLOX_passthrough/Makefile   |  2 +
 .../GPS_UBLOX_passthrough/nocore.inoflag      |  0
 3 files changed, 46 insertions(+)
 create mode 100644 libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde
 create mode 100644 libraries/AP_GPS/examples/GPS_UBLOX_passthrough/Makefile
 create mode 100644 libraries/AP_GPS/examples/GPS_UBLOX_passthrough/nocore.inoflag

diff --git a/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde b/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde
new file mode 100644
index 0000000000..d824bb5b9f
--- /dev/null
+++ b/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/GPS_UBLOX_passthrough.pde
@@ -0,0 +1,44 @@
+// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
+/*
+ *       GPS UBlox passthrough sketch
+ *       Code by DIYDrones.com
+ *
+ *       Works with APM2.x
+ */
+
+#include <stdlib.h>
+#include <AP_Common.h>
+#include <AP_Progmem.h>
+#include <AP_Param.h>
+#include <AP_HAL.h>
+#include <AP_HAL_AVR.h>
+#include <AP_HAL_Empty.h>
+#include <AP_HAL_PX4.h>
+#include <AP_GPS.h>
+#include <AP_Math.h>
+#include <AP_Notify.h>
+
+const AP_HAL::HAL& hal = AP_HAL_BOARD_DRIVER;
+
+void setup()
+{
+    // initialise console uart to 38400 baud
+    hal.console->begin(38400);
+
+    // initialise gps uart to 38400 baud
+    hal.uartB->begin(38400);
+}
+
+void loop()
+{
+    // send characters received from the console to the GPS
+    while (hal.console->available()) {
+        hal.uartB->write(hal.console->read());
+    }
+    // send GPS characters to the console
+    while (hal.uartB->available()) {
+        hal.console->write(hal.uartB->read());
+    }
+}
+
+AP_HAL_MAIN();
diff --git a/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/Makefile b/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/Makefile
new file mode 100644
index 0000000000..87e4482ca3
--- /dev/null
+++ b/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/Makefile
@@ -0,0 +1,2 @@
+BOARD	=	mega
+include ../../../../mk/apm.mk
diff --git a/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/nocore.inoflag b/libraries/AP_GPS/examples/GPS_UBLOX_passthrough/nocore.inoflag
new file mode 100644
index 0000000000..e69de29bb2