From the course: Linux Device Drivers: Reading, Writing, and Debugging

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Challenge: Modify and test a user space driver

Challenge: Modify and test a user space driver - Linux Tutorial

From the course: Linux Device Drivers: Reading, Writing, and Debugging

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Challenge: Modify and test a user space driver

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(bouncy electronic music) - [Instructor] Let's look at a couple challenges related to user space drivers. We have two of them, one of them for the e1000e network device, getting the Mac address like we showed in the example. So we have in the exercise directory there a file, get_mac-challenge.c and in comments, all in caps, you'll see the word challenge with the changes that you need to make. The second one is a Python program to read that bmp180 temperature sensor. So there's a challenge file for that. Again, look for challenge in caps to see what you need to change. Let's take a look. So there's the two files. Let's look in the get_mac-challenge and we search for challenge. And there we see you need to do an open with a uio device. You have to figure out what that's called, it's up above in a define. And then we have another challenge where you do the mmap. So you get a little bit of practice of opening up the device and doing an mmap. The other challenge is the Python program. And…

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