Micah B / mbed

mbed

Dependents:   DHTSensor_Test K64F_eCompass_OneNET_JW

BusIn.h@0:2cc6bb4d7fea, 2015-02-25 (annotated)

Committer:
mbotkinl
Date:
Wed Feb 25 20:22:22 2015 +0000
Revision:
0:2cc6bb4d7fea
Working code to read Temperature and Humidity readings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbotkinl 0:2cc6bb4d7fea 1 /* mbed Microcontroller Library
mbotkinl 0:2cc6bb4d7fea 2 * Copyright (c) 2006-2013 ARM Limited
mbotkinl 0:2cc6bb4d7fea 3 *
mbotkinl 0:2cc6bb4d7fea 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbotkinl 0:2cc6bb4d7fea 5 * you may not use this file except in compliance with the License.
mbotkinl 0:2cc6bb4d7fea 6 * You may obtain a copy of the License at
mbotkinl 0:2cc6bb4d7fea 7 *
mbotkinl 0:2cc6bb4d7fea 8 * http://www.apache.org/licenses/LICENSE-2.0
mbotkinl 0:2cc6bb4d7fea 9 *
mbotkinl 0:2cc6bb4d7fea 10 * Unless required by applicable law or agreed to in writing, software
mbotkinl 0:2cc6bb4d7fea 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbotkinl 0:2cc6bb4d7fea 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbotkinl 0:2cc6bb4d7fea 13 * See the License for the specific language governing permissions and
mbotkinl 0:2cc6bb4d7fea 14 * limitations under the License.
mbotkinl 0:2cc6bb4d7fea 15 */
mbotkinl 0:2cc6bb4d7fea 16 #ifndef MBED_BUSIN_H
mbotkinl 0:2cc6bb4d7fea 17 #define MBED_BUSIN_H
mbotkinl 0:2cc6bb4d7fea 18
mbotkinl 0:2cc6bb4d7fea 19 #include "platform.h"
mbotkinl 0:2cc6bb4d7fea 20 #include "DigitalIn.h"
mbotkinl 0:2cc6bb4d7fea 21
mbotkinl 0:2cc6bb4d7fea 22 namespace mbed {
mbotkinl 0:2cc6bb4d7fea 23
mbotkinl 0:2cc6bb4d7fea 24 /** A digital input bus, used for reading the state of a collection of pins
mbotkinl 0:2cc6bb4d7fea 25 */
mbotkinl 0:2cc6bb4d7fea 26 class BusIn {
mbotkinl 0:2cc6bb4d7fea 27
mbotkinl 0:2cc6bb4d7fea 28 public:
mbotkinl 0:2cc6bb4d7fea 29 /* Group: Configuration Methods */
mbotkinl 0:2cc6bb4d7fea 30
mbotkinl 0:2cc6bb4d7fea 31 /** Create an BusIn, connected to the specified pins
mbotkinl 0:2cc6bb4d7fea 32 *
mbotkinl 0:2cc6bb4d7fea 33 * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
mbotkinl 0:2cc6bb4d7fea 34 *
mbotkinl 0:2cc6bb4d7fea 35 * @note
mbotkinl 0:2cc6bb4d7fea 36 * It is only required to specify as many pin variables as is required
mbotkinl 0:2cc6bb4d7fea 37 * for the bus; the rest will default to NC (not connected)
mbotkinl 0:2cc6bb4d7fea 38 */
mbotkinl 0:2cc6bb4d7fea 39 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
mbotkinl 0:2cc6bb4d7fea 40 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
mbotkinl 0:2cc6bb4d7fea 41 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
mbotkinl 0:2cc6bb4d7fea 42 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
mbotkinl 0:2cc6bb4d7fea 43
mbotkinl 0:2cc6bb4d7fea 44 BusIn(PinName pins[16]);
mbotkinl 0:2cc6bb4d7fea 45
mbotkinl 0:2cc6bb4d7fea 46 virtual ~BusIn();
mbotkinl 0:2cc6bb4d7fea 47
mbotkinl 0:2cc6bb4d7fea 48 /** Read the value of the input bus
mbotkinl 0:2cc6bb4d7fea 49 *
mbotkinl 0:2cc6bb4d7fea 50 * @returns
mbotkinl 0:2cc6bb4d7fea 51 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
mbotkinl 0:2cc6bb4d7fea 52 */
mbotkinl 0:2cc6bb4d7fea 53 int read();
mbotkinl 0:2cc6bb4d7fea 54
mbotkinl 0:2cc6bb4d7fea 55 /** Set the input pin mode
mbotkinl 0:2cc6bb4d7fea 56 *
mbotkinl 0:2cc6bb4d7fea 57 * @param mode PullUp, PullDown, PullNone
mbotkinl 0:2cc6bb4d7fea 58 */
mbotkinl 0:2cc6bb4d7fea 59 void mode(PinMode pull);
mbotkinl 0:2cc6bb4d7fea 60
mbotkinl 0:2cc6bb4d7fea 61 #ifdef MBED_OPERATORS
mbotkinl 0:2cc6bb4d7fea 62 /** A shorthand for read()
mbotkinl 0:2cc6bb4d7fea 63 */
mbotkinl 0:2cc6bb4d7fea 64 operator int();
mbotkinl 0:2cc6bb4d7fea 65 #endif
mbotkinl 0:2cc6bb4d7fea 66
mbotkinl 0:2cc6bb4d7fea 67 protected:
mbotkinl 0:2cc6bb4d7fea 68 DigitalIn* _pin[16];
mbotkinl 0:2cc6bb4d7fea 69
mbotkinl 0:2cc6bb4d7fea 70 /* disallow copy constructor and assignment operators */
mbotkinl 0:2cc6bb4d7fea 71 private:
mbotkinl 0:2cc6bb4d7fea 72 BusIn(const BusIn&);
mbotkinl 0:2cc6bb4d7fea 73 BusIn & operator = (const BusIn&);
mbotkinl 0:2cc6bb4d7fea 74 };
mbotkinl 0:2cc6bb4d7fea 75
mbotkinl 0:2cc6bb4d7fea 76 } // namespace mbed
mbotkinl 0:2cc6bb4d7fea 77
mbotkinl 0:2cc6bb4d7fea 78 #endif