Jing Qiu / mbed

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Fork of mbed by gokmen ascioglu

BusIn.h@1:27d81db81dd7, 2015-03-03 (annotated)

Committer:
Jing_Qiu
Date:
Tue Mar 03 00:55:57 2015 +0000
Revision:
1:27d81db81dd7
Parent:
0:a8fa94490a0a 
revise

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gokmenascioglu 0:a8fa94490a0a 1 /* mbed Microcontroller Library - DigitalIn
gokmenascioglu 0:a8fa94490a0a 2 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
gokmenascioglu 0:a8fa94490a0a 3 */
gokmenascioglu 0:a8fa94490a0a 4
gokmenascioglu 0:a8fa94490a0a 5 #ifndef MBED_BUSIN_H
gokmenascioglu 0:a8fa94490a0a 6 #define MBED_BUSIN_H
gokmenascioglu 0:a8fa94490a0a 7
gokmenascioglu 0:a8fa94490a0a 8 #include "platform.h"
gokmenascioglu 0:a8fa94490a0a 9 #include "PinNames.h"
gokmenascioglu 0:a8fa94490a0a 10 #include "PeripheralNames.h"
gokmenascioglu 0:a8fa94490a0a 11 #include "Base.h"
gokmenascioglu 0:a8fa94490a0a 12 #include "DigitalIn.h"
gokmenascioglu 0:a8fa94490a0a 13
gokmenascioglu 0:a8fa94490a0a 14 namespace mbed {
gokmenascioglu 0:a8fa94490a0a 15
gokmenascioglu 0:a8fa94490a0a 16 /* Class: BusIn
gokmenascioglu 0:a8fa94490a0a 17 * A digital input bus, used for reading the state of a collection of pins
gokmenascioglu 0:a8fa94490a0a 18 */
gokmenascioglu 0:a8fa94490a0a 19 class BusIn : public Base {
gokmenascioglu 0:a8fa94490a0a 20
gokmenascioglu 0:a8fa94490a0a 21 public:
gokmenascioglu 0:a8fa94490a0a 22
gokmenascioglu 0:a8fa94490a0a 23 /* Group: Configuration Methods */
gokmenascioglu 0:a8fa94490a0a 24
gokmenascioglu 0:a8fa94490a0a 25 /* Constructor: BusIn
gokmenascioglu 0:a8fa94490a0a 26 * Create an BusIn, connected to the specified pins
gokmenascioglu 0:a8fa94490a0a 27 *
gokmenascioglu 0:a8fa94490a0a 28 * Variables:
gokmenascioglu 0:a8fa94490a0a 29 * p<n> - DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
gokmenascioglu 0:a8fa94490a0a 30 *
gokmenascioglu 0:a8fa94490a0a 31 * Note:
gokmenascioglu 0:a8fa94490a0a 32 * It is only required to specify as many pin variables as is required
gokmenascioglu 0:a8fa94490a0a 33 * for the bus; the rest will default to NC (not connected)
gokmenascioglu 0:a8fa94490a0a 34 */
gokmenascioglu 0:a8fa94490a0a 35 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
gokmenascioglu 0:a8fa94490a0a 36 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
gokmenascioglu 0:a8fa94490a0a 37 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
gokmenascioglu 0:a8fa94490a0a 38 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC,
gokmenascioglu 0:a8fa94490a0a 39 const char *name = NULL);
gokmenascioglu 0:a8fa94490a0a 40
gokmenascioglu 0:a8fa94490a0a 41 BusIn(PinName pins[16], const char *name = NULL);
gokmenascioglu 0:a8fa94490a0a 42
gokmenascioglu 0:a8fa94490a0a 43 virtual ~BusIn();
gokmenascioglu 0:a8fa94490a0a 44
gokmenascioglu 0:a8fa94490a0a 45 /* Group: Access Methods */
gokmenascioglu 0:a8fa94490a0a 46
gokmenascioglu 0:a8fa94490a0a 47 /* Function: read
gokmenascioglu 0:a8fa94490a0a 48 * Read the value of the input bus
gokmenascioglu 0:a8fa94490a0a 49 *
gokmenascioglu 0:a8fa94490a0a 50 * Variables:
gokmenascioglu 0:a8fa94490a0a 51 * returns - An integer with each bit corresponding to the value read from the associated DigitalIn pin
gokmenascioglu 0:a8fa94490a0a 52 */
gokmenascioglu 0:a8fa94490a0a 53 int read();
gokmenascioglu 0:a8fa94490a0a 54
gokmenascioglu 0:a8fa94490a0a 55 #ifdef MBED_OPERATORS
gokmenascioglu 0:a8fa94490a0a 56 /* Group: Access Method Shorthand */
gokmenascioglu 0:a8fa94490a0a 57
gokmenascioglu 0:a8fa94490a0a 58 /* Function: operator int()
gokmenascioglu 0:a8fa94490a0a 59 * A shorthand for <read>
gokmenascioglu 0:a8fa94490a0a 60 */
gokmenascioglu 0:a8fa94490a0a 61 operator int();
gokmenascioglu 0:a8fa94490a0a 62 #endif
gokmenascioglu 0:a8fa94490a0a 63
gokmenascioglu 0:a8fa94490a0a 64 #ifdef MBED_RPC
gokmenascioglu 0:a8fa94490a0a 65 virtual const struct rpc_method *get_rpc_methods();
gokmenascioglu 0:a8fa94490a0a 66 static struct rpc_class *get_rpc_class();
gokmenascioglu 0:a8fa94490a0a 67 #endif
gokmenascioglu 0:a8fa94490a0a 68
gokmenascioglu 0:a8fa94490a0a 69 protected:
gokmenascioglu 0:a8fa94490a0a 70
gokmenascioglu 0:a8fa94490a0a 71 DigitalIn* _pin[16];
gokmenascioglu 0:a8fa94490a0a 72
gokmenascioglu 0:a8fa94490a0a 73 #ifdef MBED_RPC
gokmenascioglu 0:a8fa94490a0a 74 static void construct(const char *arguments, char *res);
gokmenascioglu 0:a8fa94490a0a 75 #endif
gokmenascioglu 0:a8fa94490a0a 76
gokmenascioglu 0:a8fa94490a0a 77 };
gokmenascioglu 0:a8fa94490a0a 78
gokmenascioglu 0:a8fa94490a0a 79 } // namespace mbed
gokmenascioglu 0:a8fa94490a0a 80
gokmenascioglu 0:a8fa94490a0a 81 #endif
gokmenascioglu 0:a8fa94490a0a 82