Collision: Added C Src and Example

This module was initially known as GroveCollision. It has been
now changed to Collision. C source and examples added.

Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>

examples/c/CMakeLists.txt

@@ -113,6 +113,7 @@ add_example (gp2y0a)
 add_example (ttp223)
 add_example (loudness)
 add_example (tsl2561)
+add_example (collision)
 
 # Custom examples
 add_custom_example (nmea_gps_i2c-example-c nmea_gps_i2c.c nmea_gps)

examples/c/collision.c

@@ -0,0 +1,22 @@
+//Modified: Abhishek Malik <abhishek.malik@intel.com>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "collision.h"
+
+int main()
+{
+	collision_context dev = collision_init(2);
+	bool abc = 0;
+	while(1){
+		if(collision_is_colliding(dev, &abc) != UPM_SUCCESS){
+			printf("an error has occured\n");
+		}
+		upm_delay(1);
+		printf("value retrieved: %d\n", abc);
+	}
+	collision_close(dev);
+}

examples/c/main_mvs0608.c

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2012-2014 Wind River Systems, Inc.
+ *
+ * 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 <mvs0608.h>
+#include <malloc.h>
+#include <gpio.h>
+#include <sys_clock.h>
+
+#define SLEEPTICKS	MSEC(200)
+#if defined(CONFIG_STDOUT_CONSOLE)
+#include <stdio.h>
+#define PRINT           printf
+#else
+#include <misc/printk.h>
+#define PRINT           printk
+#endif
+
+/*
+ * @file
+ * @brief Hello World demo
+ * Nanokernel version of hello world demo
+ */
+
+
+void main(void)
+{
+	mraa_init();
+	struct nano_timer timer;
+	void *timer_data[1];
+	nano_timer_init(&timer, timer_data);
+	mvs0608_context dev = mvs0608_init(2);
+	bool abc = 0;
+	while(1){
+		if(mvs0608_is_colliding(dev, &abc) != UPM_SUCCESS){
+			printf("an error has occured\n");
+		}
+		nano_timer_start(&timer, SLEEPTICKS);
+		nano_timer_test(&timer, TICKS_UNLIMITED);
+		printf("value retrieved: %d\n", abc);
+	}
+	mvs0608_close(dev);
+}