![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Developing Library for the MAX7314 I2C 16-bit I/O Expander w/ PWM
Dependencies: mbed PCA9538_Expander
MAX7314.hpp
- Committer:
- uasenden
- Date:
- 2011-04-13
- Revision:
- 0:7e32b01354d3
File content as of revision 0:7e32b01354d3:
/* MAX7314.hpp Library include file for the MAX7314 16-bit I/O Expander with PWM Tom Gambone Chad Joppeck Based on code by mBed user: "Ale C.-" / Suky (PCA9538_Expander Library) 4/13/2011 - Initial porting */ #include "mbed.h" enum ExpPinName { exp_p0=0, exp_p1, exp_p2, exp_p3, exp_p4, exp_p5, exp_p6, exp_p7, exp_p8, exp_p9, exp_p10, exp_p11, exp_p12, exp_p13, exp_p14, exp_p15, }; //***************************************************************************** class MAX7314_OutputPin { public: MAX7314_OutputPin(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address); void vWrite(int value); int read(); #ifdef MBED_OPERATORS MAX7314_OutputPin& operator= (int value); operator int(); #endif protected: ExpPinName _Pin; unsigned char _Address; I2C Bus; }; //***************************************************************************** class MAX7314_InputPin { public: MAX7314_InputPin(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address); int read(); #ifdef MBED_OPERATORS operator int(); #endif protected: ExpPinName _Pin; unsigned char _Address; I2C Bus; }; //***************************************************************************** class MAX7314 { public: MAX7314(PinName PIN_SDA,PinName PIN_SCL,unsigned char Address,PinName PIN_INT=NC); void vInit(unsigned char Dir,void (*fptr)(void)); void vSetConfiguration(unsigned char Dir); void vSetPolarity(unsigned char Pol); unsigned char cRead(void); void vWrite(unsigned char Data); void vEnableSetInterrupt(void (*fptr)(void)); void vDisableInterrupt(void); bool bReadPinINT(void); protected: I2C Bus; InterruptIn MAX7314_Event; DigitalIn _PIN_INT; unsigned char _Address; };