Category Archives: Usb

Performance

I continue testing the performance. I made a SD card with 100MB partition and changed config.txt to boot directly kernel. And WOW! It looks like the whole OS is loaded up to wm/wm in just 1 sec! ps. for some reason mice does not work, probably need some adjustments for usb mice driver…
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Lab 25, network, part 2

After the Lab 24 when we prepared the layout I took serious study of the ways to implement the ethernet driver. And I found that there is actual convergence of 2 ways of implementation that I saw in previous lab. Comparing to implementation of ethernet driver in C (ether.c, smsc.c) it is enough to have […]
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Lab 22, Usb keyboard

In previous lab we approached very close to get working Usb devices. In this lab we will try to get Usb keyboard working:
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Lab 21, porting usbd, fixed in allocb, see usb in actions

From previous lab 20 we got /dev/usb connected in our system, but what to do with it? Different systems handling usb in different ways, but Inferno and Plan9 has /dev/usb just as communication filesystem which should managed not by kernel but user-space process usbd which by communication with the file server manages the connectivity and […]
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Lab 20, devusb, usbdwc and firq, first step to usb

To have our Inferno to communicate with external world we need to have the USB supported as most important parts including ethernet controller and keyboard are behind the USB subsystem. I had a look what parts the Inferno already had for usb support and what was implemented in 9pi. So I decided just to compile-in […]
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Clef two-factor authentication