Soundharrajan
Fork of mbed by
BusInOut.h
- Committer:
- mrsoundhar
- Date:
- 2016-06-12
- Revision:
- 92:f7fcbaa5f1b5
- Parent:
- 27:7110ebee3484
- Child:
- 43:e2ed12d17f06
File content as of revision 92:f7fcbaa5f1b5:
/* mbed Microcontroller Library - BusInOut
* Copyright (c) 2009 ARM Limited. All rights reserved.
*/
#ifndef MBED_BUSINOUT_H
#define MBED_BUSINOUT_H
#include "platform.h"
#include "PinNames.h"
#include "PeripheralNames.h"
#include "Base.h"
#include "DigitalInOut.h"
namespace mbed {
/* Class: BusInOut
* A digital input output bus, used for setting the state of a collection of pins
*/
class BusInOut : public Base {
public:
/* Group: Configuration Methods */
/* Constructor: BusInOut
* Create an BusInOut, connected to the specified pins
*
* Variables:
* p<n> - DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
*
* Note:
* It is only required to specify as many pin variables as is required
* for the bus; the rest will default to NC (not connected)
*/
BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC,
const char *name = NULL);
BusInOut(PinName pins[16], const char *name = NULL);
virtual ~BusInOut();
/* Group: Access Methods */
/* Function: write
* Write the value to the output bus
*
* Variables:
* value - An integer specifying a bit to write for every corresponding DigitalInOut pin
*/
void write(int value);
/* Function: read
* Read the value currently output on the bus
*
* Variables:
* returns - An integer with each bit corresponding to associated DigitalInOut pin setting
*/
int read();
/* Function: output
* Set as an output
*/
void output();
/* Function: input
* Set as an input
*/
void input();
/* Function: mode
* Set the input pin mode
*
* Variables:
* mode - PullUp, PullDown, PullNone
*/
void mode(PinMode pull);
#ifdef MBED_OPERATORS
/* Group: Access Method Shorthand */
/* Function: operator=
* A shorthand for <write>
*/
BusInOut& operator= (int v);
BusInOut& operator= (BusInOut& rhs);
/* Function: operator int()
* A shorthand for <read>
*/
operator int();
#endif
#ifdef MBED_RPC
virtual const struct rpc_method *get_rpc_methods();
static struct rpc_class *get_rpc_class();
#endif
protected:
DigitalInOut* _pin[16];
#ifdef MBED_RPC
static void construct(const char *arguments, char *res);
#endif
};
} // namespace mbed
#endif
