A simple library for controlling an MCP4241 digital potentiometer
DigiPot.h
- Committer:
- ollie8
- Date:
- 2014-02-08
- Revision:
- 2:54e9d9ddc350
- Parent:
- 0:f547d674e543
File content as of revision 2:54e9d9ddc350:
#ifndef DIGIPOT_H #define DIGIPOT_H #include <mbed.h> enum Mode { LINEAR, LOGARITHMIC }; class DigiPot { public: DigiPot(PinName miso, PinName mosi, PinName clk, PinName cs, Mode mode); void increment(); void decrement(); void setLevel(unsigned char); void mute(); void unmute(); unsigned char getLevel(); private: SPI *spi; DigitalOut *chsel; unsigned char level; unsigned char percent; Mode mode; double scale; unsigned char round(double); }; #endif