implemented infrared-modules

project/modules/infrared_sensor_in_1/.infrared_sensor_in_1.ko.cmd

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+cmd_/home/sikienzl/git/resy-ss17-grp1/project/modules/infrared_sensor_in_1/infrared_sensor_in_1.ko := aarch64-linux-gnu-ld -EL -r  -T ./scripts/module-common.lds --build-id  -o /home/sikienzl/git/resy-ss17-grp1/project/modules/infrared_sensor_in_1/infrared_sensor_in_1.ko /home/sikienzl/git/resy-ss17-grp1/project/modules/infrared_sensor_in_1/infrared_sensor_in_1.o /home/sikienzl/git/resy-ss17-grp1/project/modules/infrared_sensor_in_1/infrared_sensor_in_1.mod.o ;  true

project/modules/infrared_sensor_in_1/Makefile

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+../Makefile

project/modules/infrared_sensor_in_1/infrared_sensor_in_1.c

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+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/cdev.h>
+#include <linux/gpio.h>
+#include <linux/kobject.h>
+#include <linux/device.h>
+#include <linux/uaccess.h>
+
+#define DEVICE_NAME "infrared_sensor_in_1"
+#define NUMBER_OF_MINOR_DEVICE (1)
+
+#include "../_common/infrared_sensor.def.h"
+
+static unsigned int infrared_sensor_in_1 = 2;
+static unsigned int count = 0;
+
+static int infrared_sensor_open(struct inode *devfile, struct file *instance) 
+{
+	int err;
+
+	err = gpio_request(infrared_sensor_in_1, "rpi-gpio-2");
+	if (err) {
+		printk("gpio_request for in_1 failed %d\n", err);
+		return -1;
+	}
+	err = gpio_direction_input(infrared_sensor_in_1);
+	if (err) {
+		printk("gpio_direction_input for in_1 failed %d\n", err);
+		gpio_free(infrared_sensor_in_1);
+		return -1;
+	}
+	printk("gpio 2 successfull configured\n");
+	return 0;
+
+
+}
+
+
+static ssize_t infrared_sensor_read( struct file *file, char __user *buffer, size_t length, loff_t *offset)
+{
+	unsigned long not_copied;
+	u32 value=0;
+
+
+
+    printk(KERN_DEBUG DEVICE_NAME ": read");
+
+    if (*offset > 0) {
+        return 0;
+    }
+
+    value = gpio_get_value(infrared_sensor_in_1);
+
+    not_copied = copy_to_user(buffer, &value, count);
+    *offset += count - not_copied;
+
+    return count - not_copied;
+}
+
+static int infrared_sensor_close( struct inode *devfile, struct file *instance)
+{
+	printk( "driver_close called\n" );
+	gpio_free( infrared_sensor_in_1 );
+	return 0;
+}
+
+
+static struct file_operations fops = {
+	.owner = THIS_MODULE,
+	.open = infrared_sensor_open,
+	.release = infrared_sensor_close,
+	.read = infrared_sensor_read,
+};
+
+#include "../_common/infrared_sensor.h";