hwdetect

README.md

@@ -4,4 +4,8 @@ GlobalLogic Kharkiv, 2020
 
 This repository is aimed for sharing our exercises and your solutions in scope of the course.
 
+Homeworks:
+- hwdetect - detect attached hardware using user level script file
+
+
 Please refer to wiki for details.

device_tree/Makefile

@@ -0,0 +1,9 @@
+obj-m += i2c_dev.o
+
+KERN_DIR ?= /lib/modules/$(shell uname -r)/build
+
+all:
+	$(MAKE) -C $(KERN_DIR) M=$(PWD) modules
+
+clean:
+	$(MAKE) -C $(KERN_DIR) M=$(PWD) clean

device_tree/i2c_dev.c

@@ -0,0 +1,18 @@
+#include <linux/init.h>
+#include <linux/module.h>
+//#include <linux/i2c.h>
+#include <linux/kernel.h>
+
+static int __init i2c_device_init(void)
+{
+    printk(KERN_INFO "hello form i2d device\n");
+    return 0;
+}
+
+static void __exit i2c_device_exit(void)
+{
+    printk(KERN_INFO "i2c device exit\n");
+}
+
+module_init(i2c_device_init);
+module_exit(i2c_device_exit);

hwdetect/README.md

@@ -0,0 +1,10 @@
+# Home work hot plugged hardware detector
+
+Create the script 'hwdetect.sh' which detects connected hardware.
+For monitor hardware from user level please use /dev folder,
+output from lsusb and i2detect (optional).
+Most interesting devices are:
+ - USB to TTL convertors,
+ - flash drives,
+ - SD cards,
+ - i2c devices.

hwdetect/hwdetect.sh

@@ -6,5 +6,5 @@ while true; do
     cur_log=$(ls /dev)
     diff --new-line-format=$'--> %l\n' --old-line-format=$'<-- %l\n' --unchanged-group-format='' <(echo "$start_log") <(echo "$cur_log") 
     start_log=$cur_log
+    sleep 1
 done
-