Nick Ryder / MCP4822lib

MCP4822 dual 12-bit Digital to Analog Converter (DAC) chip.

Dependents:   ADC2DAC

The MCP4822 is a dual 12-bit Digital to Analog Converter that is controlled via an SPI interface. It is available in PDIP, SOIC or MSOP packages. The documentation for the chip is available at Microchip's MC4822 page.

The range also includes 8 or 10-bit DACs, which this library could easily be converted to.

Diff: MCP4822.h

Revision:
3:7484c0fe6f4d
Parent:
2:e60995ceccbd
--- a/MCP4822.h	Fri Feb 15 16:28:57 2013 +0000
+++ b/MCP4822.h	Mon Mar 04 17:06:01 2013 +0000
@@ -51,6 +51,8 @@
         void shutdownA();
         //! shut down output form channel B
         void shutdownB();
+        //! Toggle chip select pin
+        void chipSel();
     private:
         DigitalOut cs, latchpin;
         SPI spi;