implemented infrared-modules

project/modules/infrared_sensor_in_3/Makefile

@@ -0,0 +1 @@
+../Makefile

project/modules/infrared_sensor_in_3/infrared_sensor_in_3.c

@@ -0,0 +1,89 @@
+#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_3"
+#define NUMBER_OF_MINOR_DEVICE (1)
+
+#include "../_common/infrared_sensor.def.h"
+
+static unsigned int infrared_sensor_in_3 = 4;
+static unsigned int count = 0;
+
+static int infrared_sensor_open(struct inode *devfile, struct file *instance) 
+{
+	int err;
+
+	err = gpio_request(infrared_sensor_in_3, "rpi-gpio-2");
+	if (err) {
+		printk("gpio_request for in_1 failed %d\n", err);
+		return -1;
+	}
+	err = gpio_direction_input(infrared_sensor_in_3);
+	if (err) {
+		printk("gpio_direction_input for in_1 failed %d\n", err);
+		gpio_free(infrared_sensor_in_3);
+		return -1;
+	}
+	printk("gpio 2 successfull configured\n");
+	return 0;
+
+
+}
+
+<<<<<<< HEAD:project/module/infrared_sensor/infrared_sensor_in_3.c
+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_3);
+
+    not_copied = copy_to_user(buffer, &value, count);
+    *offset += count - not_copied;
+
+    return count - not_copied;
+=======
+static ssize_t infrared_sensor_read( struct file *instance, char __user *user,
+							size_t max_bytes_to_read, loff_t *offset)
+{
+	unsigned long not_copied, to_copy;
+	u32 value = gpio_get_value;
+
+	to_copy = min( max_bytes_to_read, sizeof(value) );
+	not_copied=copy_to_user( user, &value, to_copy);
+
+	return to_copy - not_copied;
+>>>>>>> 8ad08b638d0490724f49b13692420465d9c65658:project/modules/infrared_sensor_in_3/infrared_sensor_in_3.c
+}
+
+static int infrared_sensor_close( struct inode *devfile, struct file *instance)
+{
+	printk( "driver_close called\n" );
+	gpio_free( infrared_sensor_in_3 );
+	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";