First Project – SPI connected LED display board
I built an 8 digit 7 segment led display board based on a Maxim 7221 with SPI serial interface to a host processor and got it running rather nicely on an Olimex LPC-2138 (ARM7) based development board....
View ArticleExcellent Linux Device Driver Textbook
I haven’t written any Linux device drivers, only a few simple user space routines to access memory mapped hardware. Realizing that writing kernel device drivers is a complicated task I decided to find...
View ArticleProgress! SPI is working on the BeagleBoard-xM
As a first step to writing a Linux SPI device driver for the Maxim 7221 LED display driver chip I decided to at least prove that I can get SPI working on the BeagleBoard-xM with the BeagleBoard-xM...
View ArticleEasy Wireless and Bluetooth for BeagleBoard-xM
Interested in adding wireless and Bluetooth capabilities to your BeagleBoard and BeagleBoard-xM? Well I found this BEAGLE WLAN ADAPTER at Board Zoo. I haven’t tried this product but it appears to be...
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