The MCP4922 is a 12 bit DAC. This library should provide easy access to its basic functionality.
History
separated SPI_DAC into outside library
2013-07-16, by JimmyTheHack [Tue, 16 Jul 2013 06:10:10 +0000] rev 1
separated SPI_DAC into outside library
updated SPI_DAC library
2012-07-04, by JimmyTheHack [Wed, 04 Jul 2012 01:29:05 +0000] rev 0
updated SPI_DAC library