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Diff: AnalogOut.h
- Revision:
- 11:1c1ebd0324fa
- Parent:
- 5:62573be585e9
- Child:
- 27:7110ebee3484
--- a/AnalogOut.h Thu May 14 14:44:00 2009 +0000
+++ b/AnalogOut.h Fri Aug 28 12:10:11 2009 +0000
@@ -6,12 +6,31 @@
#ifndef MBED_ANALOGOUT_H
#define MBED_ANALOGOUT_H
+#include "platform.h"
+#include "PinNames.h"
+#include "PeripheralNames.h"
#include "Base.h"
namespace mbed {
/* Class: AnalogOut
* An analog output, used for setting the voltage on a pin
+ *
+ * Example:
+ * > // Make a sawtooth output
+ * >
+ * > #include "mbed.h"
+ * >
+ * > AnalogOut tri(p18);
+ * > int main() {
+ * > while(1) {
+ * > tri = tri + 0.01;
+ * > wait_us(1);
+ * > if(tri == 1) {
+ * > tri = 0;
+ * > }
+ * > }
+ * > }
*/
class AnalogOut : public Base {
@@ -23,18 +42,18 @@
* Variables:
* pin - AnalogOut pin to connect to (18)
*/
- AnalogOut(int pin, const char *name = NULL);
+ AnalogOut(PinName pin, const char *name = NULL);
- /* 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
+ * 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 value);
/* Function: write_u16
* Set the output voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
@@ -45,22 +64,21 @@
*/
void write_u16(unsigned short value);
- void write_v(float v);
- void write_mv(int mv);
-
/* Function: read
- * Return the current output voltage setting, measured as a percentage (float)
+ * 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>.
- */
+ * 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();
+
+#ifdef MBED_OPERATORS
/* Function: operator=
* An operator shorthand for <write()>
*/
@@ -68,16 +86,23 @@
AnalogOut& operator= (AnalogOut& rhs);
/* Function: operator float()
- * An operator shorthand for <read()>
- */
+ * An operator shorthand for <read()>
+ */
operator float();
+#endif
+#ifdef MBED_RPC
virtual const struct rpc_method *get_rpc_methods();
static struct rpc_class *get_rpc_class();
+#endif
+
+protected:
+
+ DACName _dac;
};
-}
+} // namespace mbed
#endif
