Adafruit TinyLiquidCrystal Library
Classes | Macros
TinyAdafruit_MCP23008.h File Reference

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Classes

class  Adafruit_MCP23008
 Class that stores state and functions for interacting with MCP23008 chip. More...
 

Macros

#define MCP23008_ADDRESS   0x20
 MCP23008 serial address.
 
#define MCP23008_IODIR   0x00
 I/O direction register.
 
#define MCP23008_IPOL   0x01
 Input polarity register.
 
#define MCP23008_GPINTEN   0x02
 Interrupt-on-change control register.
 
#define MCP23008_DEFVAL   0x03
 Default compare register for interrupt-on-change.
 
#define MCP23008_INTCON   0x04
 Interrupt control register.
 
#define MCP23008_IOCON   0x05
 Configuration register.
 
#define MCP23008_GPPU   0x06
 Pull-up resistor configuration register.
 
#define MCP23008_INTF   0x07
 Interrupt flag register.
 
#define MCP23008_INTCAP   0x08
 Interrupt capture register.
 
#define MCP23008_GPIO   0x09
 Port register.
 
#define MCP23008_OLAT   0x0A
 Output latch register.