Diff: mcp3202.h

Revision:

1:4e6619093761

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mcp3202.h	Sun Dec 15 02:42:30 2013 +0000
@@ -0,0 +1,71 @@
+#include "mbed.h"
+#include "bit.h"
+#ifndef MCP3202_H
+#define MCP3202_H
+
+#define MCP482X_VREF 2048
+
+#define STARTBIT    BIT(0)
+#define SGL_DIFF    BIT(7)
+#define ODD_SIGN    BIT(6)
+#define MSBF        BIT(5)
+
+#define SELECTSTART(VALUE)       SETBITS(VALUE,STARTBIT)
+#define SELECTDACB(VALUE)        SETBITS(VALUE,DACSELBIT)
+#define SELECT1XGAIN(VALUE)      SETBITS(VALUE,GAINBIT)
+#define SELECT2XGAIN(VALUE)      CLEARBITS(VALUE,GAINBIT)
+#define SELECTPWRON(VALUE)       SETBITS(VALUE, SHDNBIT)
+#define SELECTPWROFF(VALUE)      CLEARBITS(VALUE, SHDNBIT)
+
+// BITS 0-11 set the output voltage!!!
+
+class MCP3202 {
+public:
+
+/*
+* Constructor
+*/
+MCP3202(SPI &spi, void(*sel)(void), void(*usel)(void));
+
+/*
+* Destructor
+*/
+~MCP3202();
+
+/*
+* Write to DAC A
+*/
+int readA();
+
+
+/*
+* Write to DAC B
+*/
+int readB();
+
+/*
+* Shutdown DAC
+*/
+void disable();
+
+/*
+* Power On DAC
+*/
+void enable();
+
+void select();
+
+void deselect();
+
+private:
+
+void(*selectfxn)(void);
+void(*unselectfxn)(void);
+bool bshutdown;
+SPI &_spi;
+
+void configspi();
+void sendValue(int value);
+}; // end class MCP3202
+
+#endif //MCP3202_H
\ No newline at end of file