Pcd driver with multiple devices lseek implementation     Now, let's test our lseek method. For that, just type man lseek( as shown in Figure 1) to understand how…

  Pcd driver with multiple devices testing contd     In this article, Please download and open the file from this link: https://drive.google.com/file/d/1toWCdzLVCDoyOGyhD17vVnMfAl-JDzNE/view?usp=sharing   I'm going to explain that program…

  Pcd driver with multiple devices testing     Let's test our driver. Now, let's first build the project; just run make host as shown in Figure 1.   Let's…

  Pcd driver with multiple devices code implementation part-7     In this article, let's include a check_permission functionality to our driver. First of all, whenever the user application tries…

  Pcd driver with multiple devices code implementation part-6     Let's implement the read method. I'm going to activate the code block, as shown in Figure 1.   First…

  Pcd driver with multiple devices code implementation part-5     In this article, let's implement the pcd_open method(Shown in Figure 1).   As you know, the open method of…