Developing Library for the MAX7314 I2C 16-bit I/O Expander w/ PWM
Dependencies: mbed PCA9538_Expander
MAX7314.hpp@0:7e32b01354d3, 2011-04-13 (annotated)
- Committer:
- uasenden
- Date:
- Wed Apr 13 23:17:22 2011 +0000
- Revision:
- 0:7e32b01354d3
Rev 0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
uasenden | 0:7e32b01354d3 | 1 | /* |
uasenden | 0:7e32b01354d3 | 2 | |
uasenden | 0:7e32b01354d3 | 3 | MAX7314.hpp |
uasenden | 0:7e32b01354d3 | 4 | |
uasenden | 0:7e32b01354d3 | 5 | Library include file for the MAX7314 16-bit I/O Expander with PWM |
uasenden | 0:7e32b01354d3 | 6 | |
uasenden | 0:7e32b01354d3 | 7 | Tom Gambone |
uasenden | 0:7e32b01354d3 | 8 | Chad Joppeck |
uasenden | 0:7e32b01354d3 | 9 | |
uasenden | 0:7e32b01354d3 | 10 | Based on code by mBed user: "Ale C.-" / Suky (PCA9538_Expander Library) |
uasenden | 0:7e32b01354d3 | 11 | |
uasenden | 0:7e32b01354d3 | 12 | 4/13/2011 - Initial porting |
uasenden | 0:7e32b01354d3 | 13 | |
uasenden | 0:7e32b01354d3 | 14 | */ |
uasenden | 0:7e32b01354d3 | 15 | |
uasenden | 0:7e32b01354d3 | 16 | #include "mbed.h" |
uasenden | 0:7e32b01354d3 | 17 | |
uasenden | 0:7e32b01354d3 | 18 | enum ExpPinName { |
uasenden | 0:7e32b01354d3 | 19 | exp_p0=0, |
uasenden | 0:7e32b01354d3 | 20 | exp_p1, |
uasenden | 0:7e32b01354d3 | 21 | exp_p2, |
uasenden | 0:7e32b01354d3 | 22 | exp_p3, |
uasenden | 0:7e32b01354d3 | 23 | exp_p4, |
uasenden | 0:7e32b01354d3 | 24 | exp_p5, |
uasenden | 0:7e32b01354d3 | 25 | exp_p6, |
uasenden | 0:7e32b01354d3 | 26 | exp_p7, |
uasenden | 0:7e32b01354d3 | 27 | exp_p8, |
uasenden | 0:7e32b01354d3 | 28 | exp_p9, |
uasenden | 0:7e32b01354d3 | 29 | exp_p10, |
uasenden | 0:7e32b01354d3 | 30 | exp_p11, |
uasenden | 0:7e32b01354d3 | 31 | exp_p12, |
uasenden | 0:7e32b01354d3 | 32 | exp_p13, |
uasenden | 0:7e32b01354d3 | 33 | exp_p14, |
uasenden | 0:7e32b01354d3 | 34 | exp_p15, |
uasenden | 0:7e32b01354d3 | 35 | }; |
uasenden | 0:7e32b01354d3 | 36 | |
uasenden | 0:7e32b01354d3 | 37 | |
uasenden | 0:7e32b01354d3 | 38 | //***************************************************************************** |
uasenden | 0:7e32b01354d3 | 39 | |
uasenden | 0:7e32b01354d3 | 40 | |
uasenden | 0:7e32b01354d3 | 41 | class MAX7314_OutputPin { |
uasenden | 0:7e32b01354d3 | 42 | |
uasenden | 0:7e32b01354d3 | 43 | public: |
uasenden | 0:7e32b01354d3 | 44 | MAX7314_OutputPin(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address); |
uasenden | 0:7e32b01354d3 | 45 | void vWrite(int value); |
uasenden | 0:7e32b01354d3 | 46 | int read(); |
uasenden | 0:7e32b01354d3 | 47 | #ifdef MBED_OPERATORS |
uasenden | 0:7e32b01354d3 | 48 | MAX7314_OutputPin& operator= (int value); |
uasenden | 0:7e32b01354d3 | 49 | operator int(); |
uasenden | 0:7e32b01354d3 | 50 | #endif |
uasenden | 0:7e32b01354d3 | 51 | protected: |
uasenden | 0:7e32b01354d3 | 52 | ExpPinName _Pin; |
uasenden | 0:7e32b01354d3 | 53 | unsigned char _Address; |
uasenden | 0:7e32b01354d3 | 54 | I2C Bus; |
uasenden | 0:7e32b01354d3 | 55 | }; |
uasenden | 0:7e32b01354d3 | 56 | |
uasenden | 0:7e32b01354d3 | 57 | |
uasenden | 0:7e32b01354d3 | 58 | |
uasenden | 0:7e32b01354d3 | 59 | //***************************************************************************** |
uasenden | 0:7e32b01354d3 | 60 | |
uasenden | 0:7e32b01354d3 | 61 | |
uasenden | 0:7e32b01354d3 | 62 | |
uasenden | 0:7e32b01354d3 | 63 | class MAX7314_InputPin { |
uasenden | 0:7e32b01354d3 | 64 | |
uasenden | 0:7e32b01354d3 | 65 | public: |
uasenden | 0:7e32b01354d3 | 66 | MAX7314_InputPin(ExpPinName Pin,PinName PIN_SDA,PinName PIN_SCL,unsigned char Address); |
uasenden | 0:7e32b01354d3 | 67 | int read(); |
uasenden | 0:7e32b01354d3 | 68 | #ifdef MBED_OPERATORS |
uasenden | 0:7e32b01354d3 | 69 | operator int(); |
uasenden | 0:7e32b01354d3 | 70 | #endif |
uasenden | 0:7e32b01354d3 | 71 | protected: |
uasenden | 0:7e32b01354d3 | 72 | ExpPinName _Pin; |
uasenden | 0:7e32b01354d3 | 73 | unsigned char _Address; |
uasenden | 0:7e32b01354d3 | 74 | I2C Bus; |
uasenden | 0:7e32b01354d3 | 75 | }; |
uasenden | 0:7e32b01354d3 | 76 | |
uasenden | 0:7e32b01354d3 | 77 | |
uasenden | 0:7e32b01354d3 | 78 | |
uasenden | 0:7e32b01354d3 | 79 | //***************************************************************************** |
uasenden | 0:7e32b01354d3 | 80 | |
uasenden | 0:7e32b01354d3 | 81 | |
uasenden | 0:7e32b01354d3 | 82 | |
uasenden | 0:7e32b01354d3 | 83 | class MAX7314 { |
uasenden | 0:7e32b01354d3 | 84 | |
uasenden | 0:7e32b01354d3 | 85 | public: |
uasenden | 0:7e32b01354d3 | 86 | MAX7314(PinName PIN_SDA,PinName PIN_SCL,unsigned char Address,PinName PIN_INT=NC); |
uasenden | 0:7e32b01354d3 | 87 | void vInit(unsigned char Dir,void (*fptr)(void)); |
uasenden | 0:7e32b01354d3 | 88 | void vSetConfiguration(unsigned char Dir); |
uasenden | 0:7e32b01354d3 | 89 | void vSetPolarity(unsigned char Pol); |
uasenden | 0:7e32b01354d3 | 90 | unsigned char cRead(void); |
uasenden | 0:7e32b01354d3 | 91 | void vWrite(unsigned char Data); |
uasenden | 0:7e32b01354d3 | 92 | void vEnableSetInterrupt(void (*fptr)(void)); |
uasenden | 0:7e32b01354d3 | 93 | void vDisableInterrupt(void); |
uasenden | 0:7e32b01354d3 | 94 | bool bReadPinINT(void); |
uasenden | 0:7e32b01354d3 | 95 | protected: |
uasenden | 0:7e32b01354d3 | 96 | I2C Bus; |
uasenden | 0:7e32b01354d3 | 97 | InterruptIn MAX7314_Event; |
uasenden | 0:7e32b01354d3 | 98 | DigitalIn _PIN_INT; |
uasenden | 0:7e32b01354d3 | 99 | unsigned char _Address; |
uasenden | 0:7e32b01354d3 | 100 | }; |