Refactor, insert install and remove in makefile and update readme

Makefile

@@ -7,3 +7,12 @@ all:
 clean:
 	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
 	rm device_usage_example
+	sudo rmmod my_device
+	sudo rm /dev/my_device
+test:
+	sudo dmesg -C
+	sudo insmod my_device.ko
+	sudo mknod /dev/my_device c 42 0
+	sudo chmod 666 /dev/my_device
+	./device_usage_example
+	dmesg

README.md

@@ -1,26 +1,32 @@
 # my_device
-This is an example of a kernel device which works as a parrallel port. When writing or reading from the device, it will write in a buffer and print in the KERN_DEBUG.
+This is an example of a kernel device which works as a parallel port. When writing or reading from the device, it will write in a buffer and print in the KERN_DEBUG.
 
 ## Install
 
 ```
 git clone [email protected]:brunoproduit/my_device.git
 cd my_device
-./install.sh
+make
 ```
 
 Note: needs sudo for insmod, mknod & chmod.
 
-if you just want to compile a simple `make` is enough.
-
 The device driver is created in the nodefile `/dev/my_device` as a character device with major number *42*.
 
-## Remove 
+## Test
+
+The device will write in KERN_DEBUG, which can be read with `dmesg`.
+In order to test you can use:
 
 ```
-./remove.sh
+make test
 ```
 
-Note: needs sudo for rmmod & rm.
+This will insert the modue in the kernel, clean dmesg, run device_usage_example.c and print dmesg.
+## Remove
 
-The device will write in KERN_DEBUG, which can be read with `dmesg`.
+```
+make clean
+```
+
+Note: needs sudo for rmmod & rm.