Diff: AnalogOut.h

Revision:

0:82220227f4fa

Child:

1:6b7f447ca868

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AnalogOut.h	Tue Apr 08 14:12:21 2008 +0000
@@ -0,0 +1,94 @@
+/* mbed Microcontroller Library - AnalogOut
+ * Copyright (c) 2007-2008, sford
+ */
+ 
+#ifndef MBED_ANALOGOUT_H
+#define MBED_ANALOGOUT_H
+
+#include "Base.h"
+
+namespace mbed {
+
+/* Class: AnalogOut
+ *  An analog output, used for setting the voltage on a pin
+ */
+class AnalogOut : public Base {
+
+public:
+
+	/* Group: Configuration Methods */
+	
+	/* Constructor: AnalogOut
+	 *  Create an AnalogOut connected to the specified pin
+	 * 
+	 * Variables:
+	 *  pin - AnalogOut pin to connect to (18)
+	 */
+	AnalogOut(int pin);
+	
+	/* Group: Access Methods */
+		
+	/* Function: write
+	 *  Set the output voltage, specified as a percentage (float)
+	 *
+	 * Variables:
+	 *  percent - A floating-point value representing the output voltage, 
+	 *    specified as a percentage. The value should lie between
+	 *    0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
+	 *    Values outside this range will be saturated to 0.0f or 1.0f.	 
+	 */
+    void write(float percent);
+    
+	/* Function: write_v
+	 *  Set the output voltage, specified in volts (float)
+	 *
+	 * Variables:
+	 *  v - A floating-point value representing the output voltage, 
+	 *    specified in volts. The value should lie between
+	 *    0.0f (representing 0v / 0%) and 3.3f (representing 3.3v / 100%).
+	 *    Values outside this range will be saturated to 0.0f or 3.3f.	 
+	 */	
+    void write_v(float v);
+
+	/* Function: write_mv
+	 *  Set the output voltage, specified in mili-volts (int)
+	 *
+	 * Variables:
+	 *  mv - An integer value representing the output voltage, 
+	 *    specified in milli-volts. The value should lie between
+	 *    0 (representing 0v / 0%) and 3300 (representing 3.3v / 100%).
+	 *    Values outside this range will be saturated to 0 or 3300.	 
+	 */	
+    void write_mv(int mv);
+    
+    /* Function: read
+	 *  Return the current output voltage setting, measured as a percentage (float)
+     *
+     * Variables:
+	 *  returns - A floating-point value representing the current voltage being output on the pin, 
+	 *    measured as a percentage. The returned value will lie between
+	 *    0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
+	 *
+	 * Note:
+	 *  This value may not match exactly the value set by a previous <write>.
+	 */	
+    float read();
+
+   	/* Group: Access Method Shorthand */ 
+
+    /* Function: operator=
+     *  A shorthand for <write>
+     */
+	AnalogOut& operator= (float percent);
+	AnalogOut& operator= (AnalogOut& rhs);
+
+    /* Function: operator float()
+	 *  A shorthand for <read>
+	 */	
+	operator float();
+		
+};
+
+}
+
+#endif
\ No newline at end of file