Diff: MAX7314.hpp

Revision:

0:7e32b01354d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAX7314.hpp	Wed Apr 13 23:17:22 2011 +0000
@@ -0,0 +1,100 @@
+/*
+
+    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;
+};