samples: add basic blinky application

The mandatory blinky sample at your service.

Change-Id: I999215fbda338effd6f7b65a2a165acf9b850a9a
Signed-off-by: Anas Nashif <anas.nashif@intel.com>

5 files changed, 61 insertions, 0 deletions

diff --git a/samples/basic/blinky/Makefile b/samples/basic/blinky/Makefile
new file mode 100644
index 000000000..6377eb866
--- /dev/null
+++ b/samples/basic/blinky/Makefile
@@ -0,0 +1,5 @@
+KERNEL_TYPE = nano
+BOARD ?= quark_d2000_crb
+CONF_FILE = prj.conf
+
+include ${ZEPHYR_BASE}/Makefile.inc
diff --git a/samples/basic/blinky/README.rst b/samples/basic/blinky/README.rst
new file mode 100644
index 000000000..040715116
--- /dev/null
+++ b/samples/basic/blinky/README.rst
@@ -0,0 +1,9 @@
+Blinky Application
+##################
+
+Overview
+========
+
+The Blinky example shows how to configure GPIO pins as outputs which can also be
+used to drive LEDs on the hardware usually delivered as "User LEDs" on many of
+the supported boards in Zephyr.
diff --git a/samples/basic/blinky/prj.conf b/samples/basic/blinky/prj.conf
new file mode 100644
index 000000000..21db6cbcd
--- /dev/null
+++ b/samples/basic/blinky/prj.conf
@@ -0,0 +1,3 @@
+CONFIG_GPIO=y
+CONFIG_NANO_TIMEOUTS=y
+CONFIG_SERIAL=n
diff --git a/samples/basic/blinky/src/Makefile b/samples/basic/blinky/src/Makefile
new file mode 100644
index 000000000..00066e156
--- /dev/null
+++ b/samples/basic/blinky/src/Makefile
@@ -0,0 +1 @@
+obj-y = main.o
diff --git a/samples/basic/blinky/src/main.c b/samples/basic/blinky/src/main.c
new file mode 100644
index 000000000..a0fbb0e43
--- /dev/null
+++ b/samples/basic/blinky/src/main.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2016 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <zephyr.h>
+#include <board.h>
+#include <device.h>
+#include <gpio.h>
+
+/* Change this if you have an LED connected to a custom port */
+#define PORT	LED0_GPIO_PORT
+
+/* Change this if you have an LED connected to a custom pin */
+#define LED	LED0_GPIO_PIN
+
+void main(void)
+{
+	int cnt = 0;
+	struct device *dev;
+
+	dev = device_get_binding(PORT);
+	/* Set LED pin as output */
+	gpio_pin_configure(dev, LED, GPIO_DIR_OUT);
+
+	while (1) {
+		/* Set pin to HIGH/LOW every 1 second */
+		gpio_pin_write(dev, LED, cnt % 2);
+		cnt++;
+		task_sleep(SECONDS(1));
+	}
+}