rename folder module
This commit is contained in:
Siegfried Kienzle
@@ -1,29 +0,0 @@
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# Makefile
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CC=gcc
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CFLAGS = -W -Wall -pedantic -g -std=gnu99 -c
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LDFLAGS = -static
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RM = rm -f
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TARGET = motor
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OBJECTS = gpio.o
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HEADERS = $(OBJECTS:.o=.h)
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SOURCES = $(TARGET).c $(OBJECTS:.o=.c)
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%.o: %.c
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$(CC) $(CFLAGS) $< -o $@
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.PHONY: all clean
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all: $(TARGET)
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clean:
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$(RM) $(TARGET) $(TARGET).o $(OBJECTS) depend
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depend: $(SOURCES) $(HEADERS)
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$(CC) $(CPPFLAGS) -MM $(SOURCES) > $@
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$(TARGET): $(TARGET).o $(OBJECTS)
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$(CC) $(LDFLAGS) $^ -o $@
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$(RM) depend $(TARGET).o $(OBJECTS)
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include depend
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@@ -1,4 +0,0 @@
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static dev_t devno;
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static struct cdev chardev;
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static struct class *chardev_class;
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static struct device *chardev_device[NUMBER_OF_MINOR_DEVICE];
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@@ -1,82 +0,0 @@
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MODULE_AUTHOR("Manuel Vögele, Siegfried Kienzle, Simon Wörner");
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MODULE_DESCRIPTION(DEVICE_NAME "driver");
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MODULE_LICENSE("GPL");
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static int __init ModInit(void)
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{
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unsigned int i = 0;
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printk(KERN_DEBUG DEVICE_NAME ": init");
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if (alloc_chrdev_region(&devno, 0, NUMBER_OF_MINOR_DEVICE, DEVICE_NAME) < 0)
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return -EIO;
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cdev_init(&chardev, &fops);
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chardev.owner = THIS_MODULE;
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chardev.ops = &fops;
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if (cdev_add(&chardev, devno, NUMBER_OF_MINOR_DEVICE)) {
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pr_err(DEVICE_NAME ": cdev_add failed.");
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goto free_device_number;
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}
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chardev_class = class_create(THIS_MODULE, DEVICE_NAME);
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if (IS_ERR(chardev_class)) {
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pr_err(DEVICE_NAME ": no udev support\n");
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goto free_cdev;
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}
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for (i = 0; i < NUMBER_OF_MINOR_DEVICE; ++i)
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{
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#if NUMBER_OF_MINOR_DEVICE == 1
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chardev_device[i] = device_create(chardev_class, NULL, devno + i, NULL, DEVICE_NAME);
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#else
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chardev_device[i] = device_create(chardev_class, NULL, devno + i, NULL, DEVICE_NAME "%d", i);
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#endif
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if (IS_ERR(chardev_device[i])) {
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pr_err(DEVICE_NAME ": device create failed\n");
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goto free_device;
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}
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}
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#ifdef CUSTOM_INIT
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CUSTOM_INIT
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#endif
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return 0;
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free_device:
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for (; i > 0; --i) {
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device_destroy(chardev_class, devno + i - 1);
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}
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class_destroy(chardev_class);
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free_cdev:
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cdev_del(&chardev);
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free_device_number:
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unregister_chrdev_region(devno, NUMBER_OF_MINOR_DEVICE);
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return -EIO;
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}
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static void __exit ModExit(void)
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{
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unsigned int i = 0;
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printk(KERN_DEBUG DEVICE_NAME ": exit");
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#ifdef CUSTOM_EXIT
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CUSTOM_EXIT
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#endif
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for (i = NUMBER_OF_MINOR_DEVICE; i > 0; --i) {
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device_destroy(chardev_class, devno + i - 1);
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}
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class_destroy(chardev_class);
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cdev_del(&chardev);
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unregister_chrdev_region(devno, NUMBER_OF_MINOR_DEVICE);
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}
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module_init( ModInit );
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module_exit( ModExit );
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@@ -1,62 +0,0 @@
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/fs.h>
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#include <linux/cdev.h>
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#include <linux/gpio.h>
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#include <linux/kobject.h>
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#include <linux/device.h>
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#include <linux/uaccess.h>
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#define DEVICE_NAME "infrared_sensor";
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#define NUMBER_OF_MINOR_DEVICE (1);
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#include "infrared_sensor.def.h"
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static unsigned int infrared_sensor_in_1 = 2;
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static unsigned int infrared_sensor_in_2 = 3;
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static unsigned int infrared_sensor_in_3 = 4;
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static unsigned int infrared_sensor_in_4 = 17;
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static int infrared_sensor_open(struct inode devfile, struct file *instance)
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{
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int err;
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err = gpio_request(infrared_sensor_in_1, "rpi-gpio-1");
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if (err) {
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printk("gpio_request failed %d\n", err);
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return -1;
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}
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err = gpio_direction_output(infrared_sensor_in_1);
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if (err) {
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printk("gpio_direction_input failed %d\n", err);
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gpio_free(infrared_sensor_in_1);
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return -1;
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}
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printk("gpio 2 successfull configured\n");
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}
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static ssize_t infrared_sensor_read( struct file *instance, char __user *buffer,
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size_t max_bytes_to_read, loff_t *offset)
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{
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}
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static int infrared_sensor_close( struct inode devfile, struct file *instance)
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{
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}
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static struct file_operations fops = {
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.owner = THIS_MODULE,
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.open = infrared_sensor_open,
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.release = infrared_sensor_close,
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.read = infrared_sensor_read,
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};
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#include "infrared_sensor.h";
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@@ -1,4 +0,0 @@
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static dev_t devno;
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static struct cdev chardev;
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static struct class *chardev_class;
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static struct device *chardev_device[NUMBER_OF_MINOR_DEVICE];
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@@ -1,82 +0,0 @@
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MODULE_AUTHOR("Manuel Vögele, Siegfried Kienzle, Simon Wörner");
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MODULE_DESCRIPTION(DEVICE_NAME "driver");
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MODULE_LICENSE("GPL");
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static int __init ModInit(void)
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{
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unsigned int i = 0;
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printk(KERN_DEBUG DEVICE_NAME ": init");
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if (alloc_chrdev_region(&devno, 0, NUMBER_OF_MINOR_DEVICE, DEVICE_NAME) < 0)
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return -EIO;
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cdev_init(&chardev, &fops);
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chardev.owner = THIS_MODULE;
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chardev.ops = &fops;
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if (cdev_add(&chardev, devno, NUMBER_OF_MINOR_DEVICE)) {
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pr_err(DEVICE_NAME ": cdev_add failed.");
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goto free_device_number;
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}
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chardev_class = class_create(THIS_MODULE, DEVICE_NAME);
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if (IS_ERR(chardev_class)) {
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pr_err(DEVICE_NAME ": no udev support\n");
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goto free_cdev;
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}
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for (i = 0; i < NUMBER_OF_MINOR_DEVICE; ++i)
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{
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#if NUMBER_OF_MINOR_DEVICE == 1
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chardev_device[i] = device_create(chardev_class, NULL, devno + i, NULL, DEVICE_NAME);
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#else
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chardev_device[i] = device_create(chardev_class, NULL, devno + i, NULL, DEVICE_NAME "%d", i);
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#endif
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if (IS_ERR(chardev_device[i])) {
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pr_err(DEVICE_NAME ": device create failed\n");
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goto free_device;
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}
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}
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#ifdef CUSTOM_INIT
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CUSTOM_INIT
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#endif
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return 0;
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free_device:
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for (; i > 0; --i) {
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device_destroy(chardev_class, devno + i - 1);
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}
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class_destroy(chardev_class);
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free_cdev:
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cdev_del(&chardev);
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free_device_number:
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unregister_chrdev_region(devno, NUMBER_OF_MINOR_DEVICE);
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return -EIO;
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}
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static void __exit ModExit(void)
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{
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unsigned int i = 0;
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printk(KERN_DEBUG DEVICE_NAME ": exit");
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#ifdef CUSTOM_EXIT
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CUSTOM_EXIT
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#endif
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for (i = NUMBER_OF_MINOR_DEVICE; i > 0; --i) {
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device_destroy(chardev_class, devno + i - 1);
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}
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class_destroy(chardev_class);
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cdev_del(&chardev);
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unregister_chrdev_region(devno, NUMBER_OF_MINOR_DEVICE);
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}
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module_init( ModInit );
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module_exit( ModExit );
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@@ -1,60 +0,0 @@
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/fs.h>
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#include <linux/cdev.h>
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#include <linux/gpio.h>
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#include <linux/kobject.h>
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#include <linux/device.h>
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#include <linux/uaccess.h>
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#define DEVICE_NAME "infrared_sensor";
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#define NUMBER_OF_MINOR_DEVICE (1);
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#include "../_common/infrared_sensor.def.h"
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static unsigned int infrared_sensor_in_1 = 2;
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static int infrared_sensor_open(struct inode devfile, struct file *instance)
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{
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int err;
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err = gpio_request(infrared_sensor_in_1, "rpi-gpio-2");
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if (err) {
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printk("gpio_request for in_1 failed %d\n", err);
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return -1;
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}
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err = gpio_direction_input(infrared_sensor_in_3);
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if (err) {
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printk("gpio_direction_input for in_1 failed %d\n", err);
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gpio_free(infrared_sensor_in_1);
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return -1;
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}
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printk("gpio 2 successfull configured\n");
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return 0;
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}
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static ssize_t infrared_sensor_read( struct file *instance, char __user *buffer,
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size_t max_bytes_to_read, loff_t *offset)
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{
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}
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static int infrared_sensor_close( struct inode devfile, struct file *instance)
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{
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printk( "driver_close called\n" );
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gpio_free( infrared_sensor_in_1 );
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return 0;
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}
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static struct file_operations fops = {
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.owner = THIS_MODULE,
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.open = infrared_sensor_open,
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.release = infrared_sensor_close,
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.read = infrared_sensor_read,
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};
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#include "../_common/infrared_sensor.h";
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@@ -1,61 +0,0 @@
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/fs.h>
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#include <linux/cdev.h>
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#include <linux/gpio.h>
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#include <linux/kobject.h>
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#include <linux/device.h>
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#include <linux/uaccess.h>
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#define DEVICE_NAME "infrared_sensor";
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#define NUMBER_OF_MINOR_DEVICE (1);
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#include "../_common/infrared_sensor.def.h"
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static unsigned int infrared_sensor_in_2 = 3;
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static int infrared_sensor_open(struct inode devfile, struct file *instance)
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{
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int err;
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err = gpio_request(infrared_sensor_in_2, "rpi-gpio-2");
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if (err) {
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printk("gpio_request for in_2 failed %d\n", err);
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return -1;
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}
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err = gpio_direction_input(infrared_sensor_in_2);
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if (err) {
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printk("gpio_direction_input for in_2 failed %d\n", err);
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gpio_free(infrared_sensor_in_2);
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return -1;
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}
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printk("gpio 3 successfull configured\n");
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return 0;
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}
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static ssize_t infrared_sensor_read( struct file *instance, char __user *buffer,
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size_t max_bytes_to_read, loff_t *offset)
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{
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}
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static int infrared_sensor_close( struct inode devfile, struct file *instance)
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{
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printk( "driver_close called\n" );
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gpio_free( infrared_sensor_in_2 );
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return 0;
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}
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static struct file_operations fops = {
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.owner = THIS_MODULE,
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.open = infrared_sensor_open,
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.release = infrared_sensor_close,
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.read = infrared_sensor_read,
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};
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#include "../_common/infrared_sensor.h";
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@@ -1,60 +0,0 @@
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/fs.h>
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#include <linux/cdev.h>
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#include <linux/gpio.h>
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#include <linux/kobject.h>
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#include <linux/device.h>
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#include <linux/uaccess.h>
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#define DEVICE_NAME "infrared_sensor";
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#define NUMBER_OF_MINOR_DEVICE (1);
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#include "../_common/infrared_sensor.def.h"
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static unsigned int infrared_sensor_in_3 = 4;
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static int infrared_sensor_open(struct inode devfile, struct file *instance)
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{
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int err;
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err = gpio_request(infrared_sensor_in_3, "rpi-gpio-2");
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if (err) {
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printk("gpio_request for in_3 failed %d\n", err);
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return -1;
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}
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err = gpio_direction_input(infrared_sensor_in_3);
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if (err) {
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printk("gpio_direction_input for in_3 failed %d\n", err);
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gpio_free(infrared_sensor_in_3);
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return -1;
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}
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printk("gpio 4 successfull configured\n");
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return 0;
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}
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static ssize_t infrared_sensor_read( struct file *instance, char __user *buffer,
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size_t max_bytes_to_read, loff_t *offset)
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{
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}
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static int infrared_sensor_close( struct inode devfile, struct file *instance)
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{
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printk( "driver_close called\n" );
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gpio_free( infrared_sensor_in_3 );
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return 0;
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}
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static struct file_operations fops = {
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.owner = THIS_MODULE,
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.open = infrared_sensor_open,
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.release = infrared_sensor_close,
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.read = infrared_sensor_read,
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};
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#include "../_common/infrared_sensor.h";
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@@ -1,60 +0,0 @@
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/fs.h>
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#include <linux/cdev.h>
|
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#include <linux/gpio.h>
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#include <linux/kobject.h>
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#include <linux/device.h>
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#include <linux/uaccess.h>
|
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#define DEVICE_NAME "infrared_sensor";
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#define NUMBER_OF_MINOR_DEVICE (1);
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#include "../_common/infrared_sensor.def.h"
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static unsigned int infrared_sensor_in_4 = 17;
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static int infrared_sensor_open(struct inode devfile, struct file *instance)
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{
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int err;
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err = gpio_request(infrared_sensor_in_4, "rpi-gpio-17");
|
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if (err) {
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printk("gpio_request for in_4 failed %d\n", err);
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return -1;
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}
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err = gpio_direction_input(infrared_sensor_in_3);
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if (err) {
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printk("gpio_direction_input for in_4 failed %d\n", err);
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gpio_free(infrared_sensor_in_4);
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return -1;
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}
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printk("gpio 17 successfull configured\n");
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return 0;
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}
|
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|
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static ssize_t infrared_sensor_read( struct file *instance, char __user *buffer,
|
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size_t max_bytes_to_read, loff_t *offset)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static int infrared_sensor_close( struct inode devfile, struct file *instance)
|
||||
{
|
||||
printk( "driver_close called\n" );
|
||||
gpio_free( infrared_sensor_in_4 );
|
||||
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";
|
||||
Reference in New Issue
Block a user