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Outline:Copy data from the kernel space to the user space and vice versa read() and write() functions About uaccess.h file Add the protocols of read() and write() functions About copy_from_user() function About copy_to_user() function User program to write and read data from a device Executing the user program Compile the driver and the user program Display the output of data transfer
Copy data from the kernel space to the user space and vice versa read() and write() functions About uaccess.h file Add the protocols of read() and write() functions About copy_from_user() function About copy_to_user() function User program to write and read data from a device Executing the user program Compile the driver and the user program Display the output of data transfer
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