Basic fading in and out of leds with light sensor.

Dependencies:   mbed

Committer:
mturner5
Date:
Mon Sep 19 03:24:58 2016 +0000
Revision:
0:cf7af2656659
Basic v1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mturner5 0:cf7af2656659 1 /* mbed Microcontroller Library
mturner5 0:cf7af2656659 2 * Copyright (c) 2006-2013 ARM Limited
mturner5 0:cf7af2656659 3 *
mturner5 0:cf7af2656659 4 * Licensed under the Apache License, Version 2.0 (the "License");
mturner5 0:cf7af2656659 5 * you may not use this file except in compliance with the License.
mturner5 0:cf7af2656659 6 * You may obtain a copy of the License at
mturner5 0:cf7af2656659 7 *
mturner5 0:cf7af2656659 8 * http://www.apache.org/licenses/LICENSE-2.0
mturner5 0:cf7af2656659 9 *
mturner5 0:cf7af2656659 10 * Unless required by applicable law or agreed to in writing, software
mturner5 0:cf7af2656659 11 * distributed under the License is distributed on an "AS IS" BASIS,
mturner5 0:cf7af2656659 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mturner5 0:cf7af2656659 13 * See the License for the specific language governing permissions and
mturner5 0:cf7af2656659 14 * limitations under the License.
mturner5 0:cf7af2656659 15 */
mturner5 0:cf7af2656659 16 #ifndef MBED_BUSOUT_H
mturner5 0:cf7af2656659 17 #define MBED_BUSOUT_H
mturner5 0:cf7af2656659 18
mturner5 0:cf7af2656659 19 #include "DigitalOut.h"
mturner5 0:cf7af2656659 20
mturner5 0:cf7af2656659 21 namespace mbed {
mturner5 0:cf7af2656659 22
mturner5 0:cf7af2656659 23 /** A digital output bus, used for setting the state of a collection of pins
mturner5 0:cf7af2656659 24 */
mturner5 0:cf7af2656659 25 class BusOut {
mturner5 0:cf7af2656659 26
mturner5 0:cf7af2656659 27 public:
mturner5 0:cf7af2656659 28
mturner5 0:cf7af2656659 29 /** Create an BusOut, connected to the specified pins
mturner5 0:cf7af2656659 30 *
mturner5 0:cf7af2656659 31 * @param p<n> DigitalOut pin to connect to bus bit <n> (p5-p30, NC)
mturner5 0:cf7af2656659 32 *
mturner5 0:cf7af2656659 33 * @note
mturner5 0:cf7af2656659 34 * It is only required to specify as many pin variables as is required
mturner5 0:cf7af2656659 35 * for the bus; the rest will default to NC (not connected)
mturner5 0:cf7af2656659 36 */
mturner5 0:cf7af2656659 37 BusOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
mturner5 0:cf7af2656659 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
mturner5 0:cf7af2656659 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
mturner5 0:cf7af2656659 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
mturner5 0:cf7af2656659 41
mturner5 0:cf7af2656659 42 BusOut(PinName pins[16]);
mturner5 0:cf7af2656659 43
mturner5 0:cf7af2656659 44 virtual ~BusOut();
mturner5 0:cf7af2656659 45
mturner5 0:cf7af2656659 46 /** Write the value to the output bus
mturner5 0:cf7af2656659 47 *
mturner5 0:cf7af2656659 48 * @param value An integer specifying a bit to write for every corresponding DigitalOut pin
mturner5 0:cf7af2656659 49 */
mturner5 0:cf7af2656659 50 void write(int value);
mturner5 0:cf7af2656659 51
mturner5 0:cf7af2656659 52 /** Read the value currently output on the bus
mturner5 0:cf7af2656659 53 *
mturner5 0:cf7af2656659 54 * @returns
mturner5 0:cf7af2656659 55 * An integer with each bit corresponding to associated DigitalOut pin setting
mturner5 0:cf7af2656659 56 */
mturner5 0:cf7af2656659 57 int read();
mturner5 0:cf7af2656659 58
mturner5 0:cf7af2656659 59 #ifdef MBED_OPERATORS
mturner5 0:cf7af2656659 60 /** A shorthand for write()
mturner5 0:cf7af2656659 61 */
mturner5 0:cf7af2656659 62 BusOut& operator= (int v);
mturner5 0:cf7af2656659 63 BusOut& operator= (BusOut& rhs);
mturner5 0:cf7af2656659 64
mturner5 0:cf7af2656659 65 /** A shorthand for read()
mturner5 0:cf7af2656659 66 */
mturner5 0:cf7af2656659 67 operator int();
mturner5 0:cf7af2656659 68 #endif
mturner5 0:cf7af2656659 69
mturner5 0:cf7af2656659 70 protected:
mturner5 0:cf7af2656659 71 DigitalOut* _pin[16];
mturner5 0:cf7af2656659 72
mturner5 0:cf7af2656659 73 /* disallow copy constructor and assignment operators */
mturner5 0:cf7af2656659 74 private:
mturner5 0:cf7af2656659 75 BusOut(const BusOut&);
mturner5 0:cf7af2656659 76 BusOut & operator = (const BusOut&);
mturner5 0:cf7af2656659 77 };
mturner5 0:cf7af2656659 78
mturner5 0:cf7af2656659 79 } // namespace mbed
mturner5 0:cf7af2656659 80
mturner5 0:cf7af2656659 81 #endif