Emilio Monti / mbed-KL25Z

mbed libraries for KL25Z

Dependents:   FRDM_RGBLED

BusIn.h@8:c14af7958ef5, 2012-11-09 (annotated)

Committer:
emilmont
Date:
Fri Nov 09 11:33:53 2012 +0000
Revision:
8:c14af7958ef5
Parent:
0:8024c367e29f
Child:
9:663789d7729f
SPI driver; ADC driver; DAC driver; microlib support; general bugfixing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 0:8024c367e29f 1 /* mbed Microcontroller Library - DigitalIn
emilmont 0:8024c367e29f 2 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
emilmont 0:8024c367e29f 3 */
emilmont 0:8024c367e29f 4 #ifndef MBED_BUSIN_H
emilmont 0:8024c367e29f 5 #define MBED_BUSIN_H
emilmont 0:8024c367e29f 6
emilmont 0:8024c367e29f 7 #include "platform.h"
emilmont 0:8024c367e29f 8 #include "DigitalIn.h"
emilmont 0:8024c367e29f 9
emilmont 0:8024c367e29f 10 namespace mbed {
emilmont 0:8024c367e29f 11
emilmont 8:c14af7958ef5 12 /** A digital input bus, used for reading the state of a collection of pins
emilmont 0:8024c367e29f 13 */
emilmont 8:c14af7958ef5 14 class BusIn {
emilmont 0:8024c367e29f 15
emilmont 0:8024c367e29f 16 public:
emilmont 0:8024c367e29f 17 /* Group: Configuration Methods */
emilmont 0:8024c367e29f 18
emilmont 8:c14af7958ef5 19 /** Create an BusIn, connected to the specified pins
emilmont 0:8024c367e29f 20 *
emilmont 8:c14af7958ef5 21 * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
emilmont 0:8024c367e29f 22 *
emilmont 8:c14af7958ef5 23 * @note
emilmont 0:8024c367e29f 24 * It is only required to specify as many pin variables as is required
emilmont 0:8024c367e29f 25 * for the bus; the rest will default to NC (not connected)
emilmont 0:8024c367e29f 26 */
emilmont 0:8024c367e29f 27 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
emilmont 0:8024c367e29f 28 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
emilmont 0:8024c367e29f 29 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
emilmont 8:c14af7958ef5 30 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
emilmont 0:8024c367e29f 31
emilmont 8:c14af7958ef5 32 BusIn(PinName pins[16]);
emilmont 8:c14af7958ef5 33
emilmont 0:8024c367e29f 34 virtual ~BusIn();
emilmont 0:8024c367e29f 35
emilmont 8:c14af7958ef5 36 /** Read the value of the input bus
emilmont 0:8024c367e29f 37 *
emilmont 8:c14af7958ef5 38 * @returns
emilmont 8:c14af7958ef5 39 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
emilmont 0:8024c367e29f 40 */
emilmont 0:8024c367e29f 41 int read();
emilmont 0:8024c367e29f 42
emilmont 0:8024c367e29f 43 #ifdef MBED_OPERATORS
emilmont 8:c14af7958ef5 44 /** A shorthand for read()
emilmont 0:8024c367e29f 45 */
emilmont 0:8024c367e29f 46 operator int();
emilmont 0:8024c367e29f 47 #endif
emilmont 0:8024c367e29f 48
emilmont 0:8024c367e29f 49 protected:
emilmont 0:8024c367e29f 50 DigitalIn* _pin[16];
emilmont 0:8024c367e29f 51 };
emilmont 0:8024c367e29f 52
emilmont 0:8024c367e29f 53 } // namespace mbed
emilmont 0:8024c367e29f 54
emilmont 0:8024c367e29f 55 #endif