Knight KE / Mbed OS Game_Master

游戏王对战板，目前code还是空的

mbed-os/drivers/BusIn.h@0:9b3d4731edbb, 2018-06-21 (annotated)

Committer:
WFKnight
Date:
Thu Jun 21 13:51:43 2018 +0000
Revision:
0:9b3d4731edbb
UART, RTOS, LED

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WFKnight 0:9b3d4731edbb 1 /* mbed Microcontroller Library
WFKnight 0:9b3d4731edbb 2 * Copyright (c) 2006-2013 ARM Limited
WFKnight 0:9b3d4731edbb 3 *
WFKnight 0:9b3d4731edbb 4 * Licensed under the Apache License, Version 2.0 (the "License");
WFKnight 0:9b3d4731edbb 5 * you may not use this file except in compliance with the License.
WFKnight 0:9b3d4731edbb 6 * You may obtain a copy of the License at
WFKnight 0:9b3d4731edbb 7 *
WFKnight 0:9b3d4731edbb 8 * http://www.apache.org/licenses/LICENSE-2.0
WFKnight 0:9b3d4731edbb 9 *
WFKnight 0:9b3d4731edbb 10 * Unless required by applicable law or agreed to in writing, software
WFKnight 0:9b3d4731edbb 11 * distributed under the License is distributed on an "AS IS" BASIS,
WFKnight 0:9b3d4731edbb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
WFKnight 0:9b3d4731edbb 13 * See the License for the specific language governing permissions and
WFKnight 0:9b3d4731edbb 14 * limitations under the License.
WFKnight 0:9b3d4731edbb 15 */
WFKnight 0:9b3d4731edbb 16 #ifndef MBED_BUSIN_H
WFKnight 0:9b3d4731edbb 17 #define MBED_BUSIN_H
WFKnight 0:9b3d4731edbb 18
WFKnight 0:9b3d4731edbb 19 #include "platform/platform.h"
WFKnight 0:9b3d4731edbb 20 #include "drivers/DigitalIn.h"
WFKnight 0:9b3d4731edbb 21 #include "platform/PlatformMutex.h"
WFKnight 0:9b3d4731edbb 22 #include "platform/NonCopyable.h"
WFKnight 0:9b3d4731edbb 23
WFKnight 0:9b3d4731edbb 24 namespace mbed {
WFKnight 0:9b3d4731edbb 25 /** \addtogroup drivers */
WFKnight 0:9b3d4731edbb 26
WFKnight 0:9b3d4731edbb 27 /** A digital input bus, used for reading the state of a collection of pins
WFKnight 0:9b3d4731edbb 28 *
WFKnight 0:9b3d4731edbb 29 * @note Synchronization level: Thread safe
WFKnight 0:9b3d4731edbb 30 * @ingroup drivers
WFKnight 0:9b3d4731edbb 31 */
WFKnight 0:9b3d4731edbb 32 class BusIn : private NonCopyable<BusIn> {
WFKnight 0:9b3d4731edbb 33
WFKnight 0:9b3d4731edbb 34 public:
WFKnight 0:9b3d4731edbb 35 /* Group: Configuration Methods */
WFKnight 0:9b3d4731edbb 36
WFKnight 0:9b3d4731edbb 37 /** Create an BusIn, connected to the specified pins
WFKnight 0:9b3d4731edbb 38 *
WFKnight 0:9b3d4731edbb 39 * @param p0 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 40 * @param p1 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 41 * @param p2 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 42 * @param p3 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 43 * @param p4 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 44 * @param p5 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 45 * @param p6 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 46 * @param p7 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 47 * @param p8 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 48 * @param p9 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 49 * @param p10 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 50 * @param p11 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 51 * @param p12 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 52 * @param p13 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 53 * @param p14 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 54 * @param p15 DigitalIn pin to connect to bus bit
WFKnight 0:9b3d4731edbb 55 *
WFKnight 0:9b3d4731edbb 56 * @note
WFKnight 0:9b3d4731edbb 57 * It is only required to specify as many pin variables as is required
WFKnight 0:9b3d4731edbb 58 * for the bus; the rest will default to NC (not connected)
WFKnight 0:9b3d4731edbb 59 */
WFKnight 0:9b3d4731edbb 60 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
WFKnight 0:9b3d4731edbb 61 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
WFKnight 0:9b3d4731edbb 62 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
WFKnight 0:9b3d4731edbb 63 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
WFKnight 0:9b3d4731edbb 64
WFKnight 0:9b3d4731edbb 65
WFKnight 0:9b3d4731edbb 66 /** Create an BusIn, connected to the specified pins
WFKnight 0:9b3d4731edbb 67 *
WFKnight 0:9b3d4731edbb 68 * @param pins An array of pins to connect to bus bit
WFKnight 0:9b3d4731edbb 69 */
WFKnight 0:9b3d4731edbb 70 BusIn(PinName pins[16]);
WFKnight 0:9b3d4731edbb 71
WFKnight 0:9b3d4731edbb 72 virtual ~BusIn();
WFKnight 0:9b3d4731edbb 73
WFKnight 0:9b3d4731edbb 74 /** Read the value of the input bus
WFKnight 0:9b3d4731edbb 75 *
WFKnight 0:9b3d4731edbb 76 * @returns
WFKnight 0:9b3d4731edbb 77 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
WFKnight 0:9b3d4731edbb 78 */
WFKnight 0:9b3d4731edbb 79 int read();
WFKnight 0:9b3d4731edbb 80
WFKnight 0:9b3d4731edbb 81 /** Set the input pin mode
WFKnight 0:9b3d4731edbb 82 *
WFKnight 0:9b3d4731edbb 83 * @param pull PullUp, PullDown, PullNone
WFKnight 0:9b3d4731edbb 84 */
WFKnight 0:9b3d4731edbb 85 void mode(PinMode pull);
WFKnight 0:9b3d4731edbb 86
WFKnight 0:9b3d4731edbb 87 /** Binary mask of bus pins connected to actual pins (not NC pins)
WFKnight 0:9b3d4731edbb 88 * If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1
WFKnight 0:9b3d4731edbb 89 *
WFKnight 0:9b3d4731edbb 90 * @returns
WFKnight 0:9b3d4731edbb 91 * Binary mask of connected pins
WFKnight 0:9b3d4731edbb 92 */
WFKnight 0:9b3d4731edbb 93 int mask() {
WFKnight 0:9b3d4731edbb 94 // No lock needed since _nc_mask is not modified outside the constructor
WFKnight 0:9b3d4731edbb 95 return _nc_mask;
WFKnight 0:9b3d4731edbb 96 }
WFKnight 0:9b3d4731edbb 97
WFKnight 0:9b3d4731edbb 98 /** A shorthand for read()
WFKnight 0:9b3d4731edbb 99 * \sa DigitalIn::read()
WFKnight 0:9b3d4731edbb 100 */
WFKnight 0:9b3d4731edbb 101 operator int();
WFKnight 0:9b3d4731edbb 102
WFKnight 0:9b3d4731edbb 103 /** Access to particular bit in random-iterator fashion
WFKnight 0:9b3d4731edbb 104 * @param index Position of bit
WFKnight 0:9b3d4731edbb 105 */
WFKnight 0:9b3d4731edbb 106 DigitalIn & operator[] (int index);
WFKnight 0:9b3d4731edbb 107
WFKnight 0:9b3d4731edbb 108 protected:
WFKnight 0:9b3d4731edbb 109 DigitalIn* _pin[16];
WFKnight 0:9b3d4731edbb 110
WFKnight 0:9b3d4731edbb 111 /* Mask of bus's NC pins
WFKnight 0:9b3d4731edbb 112 * If bit[n] is set to 1 - pin is connected
WFKnight 0:9b3d4731edbb 113 * if bit[n] is cleared - pin is not connected (NC)
WFKnight 0:9b3d4731edbb 114 */
WFKnight 0:9b3d4731edbb 115 int _nc_mask;
WFKnight 0:9b3d4731edbb 116
WFKnight 0:9b3d4731edbb 117 PlatformMutex _mutex;
WFKnight 0:9b3d4731edbb 118
WFKnight 0:9b3d4731edbb 119 private:
WFKnight 0:9b3d4731edbb 120 virtual void lock();
WFKnight 0:9b3d4731edbb 121 virtual void unlock();
WFKnight 0:9b3d4731edbb 122 };
WFKnight 0:9b3d4731edbb 123
WFKnight 0:9b3d4731edbb 124 } // namespace mbed
WFKnight 0:9b3d4731edbb 125
WFKnight 0:9b3d4731edbb 126 #endif
WFKnight 0:9b3d4731edbb 127