Freeman Oldman / NUCLEO_STM32F401RE_CC3000_ILI9341

The code from https://github.com/vpcola/Nucleo

mbed-src/api/BusOut.h@0:5464d5e415e5, 2014-10-08 (annotated)

Committer:
sinrab
Date:
Wed Oct 08 11:00:24 2014 +0000
Revision:
0:5464d5e415e5
The code from https://github.com/vpcola/Nucleo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sinrab 0:5464d5e415e5 1 /* mbed Microcontroller Library
sinrab 0:5464d5e415e5 2 * Copyright (c) 2006-2013 ARM Limited
sinrab 0:5464d5e415e5 3 *
sinrab 0:5464d5e415e5 4 * Licensed under the Apache License, Version 2.0 (the "License");
sinrab 0:5464d5e415e5 5 * you may not use this file except in compliance with the License.
sinrab 0:5464d5e415e5 6 * You may obtain a copy of the License at
sinrab 0:5464d5e415e5 7 *
sinrab 0:5464d5e415e5 8 * http://www.apache.org/licenses/LICENSE-2.0
sinrab 0:5464d5e415e5 9 *
sinrab 0:5464d5e415e5 10 * Unless required by applicable law or agreed to in writing, software
sinrab 0:5464d5e415e5 11 * distributed under the License is distributed on an "AS IS" BASIS,
sinrab 0:5464d5e415e5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sinrab 0:5464d5e415e5 13 * See the License for the specific language governing permissions and
sinrab 0:5464d5e415e5 14 * limitations under the License.
sinrab 0:5464d5e415e5 15 */
sinrab 0:5464d5e415e5 16 #ifndef MBED_BUSOUT_H
sinrab 0:5464d5e415e5 17 #define MBED_BUSOUT_H
sinrab 0:5464d5e415e5 18
sinrab 0:5464d5e415e5 19 #include "DigitalOut.h"
sinrab 0:5464d5e415e5 20
sinrab 0:5464d5e415e5 21 namespace mbed {
sinrab 0:5464d5e415e5 22
sinrab 0:5464d5e415e5 23 /** A digital output bus, used for setting the state of a collection of pins
sinrab 0:5464d5e415e5 24 */
sinrab 0:5464d5e415e5 25 class BusOut {
sinrab 0:5464d5e415e5 26
sinrab 0:5464d5e415e5 27 public:
sinrab 0:5464d5e415e5 28
sinrab 0:5464d5e415e5 29 /** Create an BusOut, connected to the specified pins
sinrab 0:5464d5e415e5 30 *
sinrab 0:5464d5e415e5 31 * @param p<n> DigitalOut pin to connect to bus bit <n> (p5-p30, NC)
sinrab 0:5464d5e415e5 32 *
sinrab 0:5464d5e415e5 33 * @note
sinrab 0:5464d5e415e5 34 * It is only required to specify as many pin variables as is required
sinrab 0:5464d5e415e5 35 * for the bus; the rest will default to NC (not connected)
sinrab 0:5464d5e415e5 36 */
sinrab 0:5464d5e415e5 37 BusOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
sinrab 0:5464d5e415e5 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
sinrab 0:5464d5e415e5 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
sinrab 0:5464d5e415e5 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
sinrab 0:5464d5e415e5 41
sinrab 0:5464d5e415e5 42 BusOut(PinName pins[16]);
sinrab 0:5464d5e415e5 43
sinrab 0:5464d5e415e5 44 virtual ~BusOut();
sinrab 0:5464d5e415e5 45
sinrab 0:5464d5e415e5 46 /** Write the value to the output bus
sinrab 0:5464d5e415e5 47 *
sinrab 0:5464d5e415e5 48 * @param value An integer specifying a bit to write for every corresponding DigitalOut pin
sinrab 0:5464d5e415e5 49 */
sinrab 0:5464d5e415e5 50 void write(int value);
sinrab 0:5464d5e415e5 51
sinrab 0:5464d5e415e5 52 /** Read the value currently output on the bus
sinrab 0:5464d5e415e5 53 *
sinrab 0:5464d5e415e5 54 * @returns
sinrab 0:5464d5e415e5 55 * An integer with each bit corresponding to associated DigitalOut pin setting
sinrab 0:5464d5e415e5 56 */
sinrab 0:5464d5e415e5 57 int read();
sinrab 0:5464d5e415e5 58
sinrab 0:5464d5e415e5 59 #ifdef MBED_OPERATORS
sinrab 0:5464d5e415e5 60 /** A shorthand for write()
sinrab 0:5464d5e415e5 61 */
sinrab 0:5464d5e415e5 62 BusOut& operator= (int v);
sinrab 0:5464d5e415e5 63 BusOut& operator= (BusOut& rhs);
sinrab 0:5464d5e415e5 64
sinrab 0:5464d5e415e5 65 /** A shorthand for read()
sinrab 0:5464d5e415e5 66 */
sinrab 0:5464d5e415e5 67 operator int();
sinrab 0:5464d5e415e5 68 #endif
sinrab 0:5464d5e415e5 69
sinrab 0:5464d5e415e5 70 protected:
sinrab 0:5464d5e415e5 71 DigitalOut* _pin[16];
sinrab 0:5464d5e415e5 72
sinrab 0:5464d5e415e5 73 /* disallow copy constructor and assignment operators */
sinrab 0:5464d5e415e5 74 private:
sinrab 0:5464d5e415e5 75 BusOut(const BusOut&);
sinrab 0:5464d5e415e5 76 BusOut & operator = (const BusOut&);
sinrab 0:5464d5e415e5 77 };
sinrab 0:5464d5e415e5 78
sinrab 0:5464d5e415e5 79 } // namespace mbed
sinrab 0:5464d5e415e5 80
sinrab 0:5464d5e415e5 81 #endif
sinrab 0:5464d5e415e5 82