From c8716f4d576bc50b3aab3cbb938bc11cb8d77910 Mon Sep 17 00:00:00 2001
From: Jim Paris <jim@jtan.com>
Date: Wed, 25 Jun 2014 20:16:09 -0400
Subject: [PATCH] Add platform LED driver

---
 .../Makefile.ev-aducrf101mkxz                 |  1 +
 platform/ev-aducrf101mkxz/contiki-main.c      |  2 +
 platform/ev-aducrf101mkxz/leds-arch.c         | 79 +++++++++++++++++++
 platform/ev-aducrf101mkxz/platform-conf.h     |  8 +-
 4 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 platform/ev-aducrf101mkxz/leds-arch.c

diff --git a/platform/ev-aducrf101mkxz/Makefile.ev-aducrf101mkxz b/platform/ev-aducrf101mkxz/Makefile.ev-aducrf101mkxz
index f713573e5..261f5fe51 100644
--- a/platform/ev-aducrf101mkxz/Makefile.ev-aducrf101mkxz
+++ b/platform/ev-aducrf101mkxz/Makefile.ev-aducrf101mkxz
@@ -42,6 +42,7 @@ CONTIKI_TARGET_SOURCEFILES += $(ARCH)
 CONTIKI_TARGET_SOURCEFILES += contiki-main.c
 CONTIKI_TARGET_SOURCEFILES += slip.c
 CONTIKI_TARGET_SOURCEFILES += button-sensor.c
+CONTIKI_TARGET_SOURCEFILES += leds-arch.c
 
 CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)
 
diff --git a/platform/ev-aducrf101mkxz/contiki-main.c b/platform/ev-aducrf101mkxz/contiki-main.c
index 18571826c..944e2d278 100644
--- a/platform/ev-aducrf101mkxz/contiki-main.c
+++ b/platform/ev-aducrf101mkxz/contiki-main.c
@@ -48,6 +48,7 @@
 #include "net/ip/uip.h"
 
 #include "dev/button-sensor.h"
+#include "dev/leds.h"
 
 #if WITH_UIP6
 #include "net/ipv6/uip-ds6.h"
@@ -111,6 +112,7 @@ int
 main(int argc, char **argv)
 {
   watchdog_init();
+  leds_init();
   uart_init(115200);
   clock_init();
 
diff --git a/platform/ev-aducrf101mkxz/leds-arch.c b/platform/ev-aducrf101mkxz/leds-arch.c
new file mode 100644
index 000000000..2a3f5a9c4
--- /dev/null
+++ b/platform/ev-aducrf101mkxz/leds-arch.c
@@ -0,0 +1,79 @@
+/**
+ * Copyright (c) 2014, Analog Devices, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted (subject to the limitations in the
+ * disclaimer below) provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of Analog Devices, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
+ * GRANTED BY THIS LICENSE.  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.
+ */
+/**
+ * \author Jim Paris <jim.paris@rigado.com>
+ */
+
+#include "contiki.h"
+#include "dev/leds.h"
+#include "platform-conf.h"
+#include "aducrf101-contiki.h"
+
+/* e.g. pADI_GP4 */
+#define GPIO CC_CONCAT(pADI_GP, LED_GPIO)
+
+/*---------------------------------------------------------------------------*/
+void
+leds_arch_init(void)
+{
+  /* Set LED pin as a GPIO output */
+  GPIO->GPOEN |= (1UL << LED_PIN);
+  leds_arch_set(0);
+}
+/*---------------------------------------------------------------------------*/
+unsigned char
+leds_arch_get(void)
+{
+  if(GPIO->GPOUT & (1UL << LED_PIN)) {
+    return 0;
+  } else {
+    return 1;
+  }
+}
+/*---------------------------------------------------------------------------*/
+void
+leds_arch_set(unsigned char leds)
+{
+  if(leds & 1) {
+    GPIO->GPCLR = (1UL << LED_PIN);
+  } else {
+    GPIO->GPSET = (1UL << LED_PIN);
+  }
+}
+/*---------------------------------------------------------------------------*/
+
+/**
+ * @}
+ * @}
+ */
diff --git a/platform/ev-aducrf101mkxz/platform-conf.h b/platform/ev-aducrf101mkxz/platform-conf.h
index ca5164878..6842aaa5a 100644
--- a/platform/ev-aducrf101mkxz/platform-conf.h
+++ b/platform/ev-aducrf101mkxz/platform-conf.h
@@ -35,8 +35,14 @@
  * \author Jim Paris <jim.paris@rigado.com>
  */
 
-#define LED1    pADI_GP4, BIT2
+#ifndef __ADUCRF101_PLATFORM_CONF_H__
+#define __ADUCRF101_PLATFORM_CONF_H__
+
+#define LED_GPIO    4
+#define LED_PIN     2
 
 #define BUTTON_GPIO 0
 #define BUTTON_PIN  6
 #define BUTTON_INT  2
+
+#endif