1 files changed, 115 insertions, 0 deletions
diff --git a/src/drivers/led/led.cpp b/src/drivers/led/led.cpp
new file mode 100644
index 000000000..c7c45525e
--- /dev/null
+++ b/src/drivers/led/led.cpp
@@ -0,0 +1,115 @@
+/****************************************************************************
+ *
+ *   Copyright (C) 2012 PX4 Development Team. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name PX4 nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file led.cpp
+ *
+ * LED driver.
+ */
+
+#include <nuttx/config.h>
+#include <drivers/device/device.h>
+#include <drivers/drv_led.h>
+
+/* Ideally we'd be able to get these from up_internal.h */
+//#include <up_internal.h>
+__BEGIN_DECLS
+extern void up_ledinit();
+extern void up_ledon(int led);
+extern void up_ledoff(int led);
+__END_DECLS
+
+class LED : device::CDev
+{
+public:
+	LED();
+	virtual ~LED();
+
+	virtual int		init();
+	virtual int		ioctl(struct file *filp, int cmd, unsigned long arg);
+};
+
+LED::LED() :
+	CDev("led", LED_DEVICE_PATH)
+{
+	// force immediate init/device registration
+	init();
+}
+
+LED::~LED()
+{
+}
+
+int
+LED::init()
+{
+	CDev::init();
+	up_ledinit();
+
+	return 0;
+}
+
+int
+LED::ioctl(struct file *filp, int cmd, unsigned long arg)
+{
+	int result = OK;
+
+	switch (cmd) {
+	case LED_ON:
+		up_ledon(arg);
+		break;
+
+	case LED_OFF:
+		up_ledoff(arg);
+		break;
+
+	default:
+		result = CDev::ioctl(filp, cmd, arg);
+	}
+	return result;
+}
+
+namespace
+{
+LED	*gLED;
+}
+
+void
+drv_led_start()
+{
+	if (gLED == nullptr) {
+		gLED = new LED;
+		if (gLED != nullptr)
+			gLED->init();
+	}
+}
+\ No newline at end of file