Yihui Xiong / BLE_NODE_TEST

Test code for Grove Node BLE

Dependencies:   BLE_API nRF51822

Fork of BLE_LoopbackUART by Bluetooth Low Energy

mbed-src/api/BusOut.h@9:05f0b5a3a70a, 2014-10-29 (annotated)

Committer:
yihui
Date:
Wed Oct 29 06:23:47 2014 +0000
Revision:
9:05f0b5a3a70a
initial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yihui 9:05f0b5a3a70a 1 /* mbed Microcontroller Library
yihui 9:05f0b5a3a70a 2 * Copyright (c) 2006-2013 ARM Limited
yihui 9:05f0b5a3a70a 3 *
yihui 9:05f0b5a3a70a 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 9:05f0b5a3a70a 5 * you may not use this file except in compliance with the License.
yihui 9:05f0b5a3a70a 6 * You may obtain a copy of the License at
yihui 9:05f0b5a3a70a 7 *
yihui 9:05f0b5a3a70a 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 9:05f0b5a3a70a 9 *
yihui 9:05f0b5a3a70a 10 * Unless required by applicable law or agreed to in writing, software
yihui 9:05f0b5a3a70a 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 9:05f0b5a3a70a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 9:05f0b5a3a70a 13 * See the License for the specific language governing permissions and
yihui 9:05f0b5a3a70a 14 * limitations under the License.
yihui 9:05f0b5a3a70a 15 */
yihui 9:05f0b5a3a70a 16 #ifndef MBED_BUSOUT_H
yihui 9:05f0b5a3a70a 17 #define MBED_BUSOUT_H
yihui 9:05f0b5a3a70a 18
yihui 9:05f0b5a3a70a 19 #include "DigitalOut.h"
yihui 9:05f0b5a3a70a 20
yihui 9:05f0b5a3a70a 21 namespace mbed {
yihui 9:05f0b5a3a70a 22
yihui 9:05f0b5a3a70a 23 /** A digital output bus, used for setting the state of a collection of pins
yihui 9:05f0b5a3a70a 24 */
yihui 9:05f0b5a3a70a 25 class BusOut {
yihui 9:05f0b5a3a70a 26
yihui 9:05f0b5a3a70a 27 public:
yihui 9:05f0b5a3a70a 28
yihui 9:05f0b5a3a70a 29 /** Create an BusOut, connected to the specified pins
yihui 9:05f0b5a3a70a 30 *
yihui 9:05f0b5a3a70a 31 * @param p<n> DigitalOut pin to connect to bus bit <n> (p5-p30, NC)
yihui 9:05f0b5a3a70a 32 *
yihui 9:05f0b5a3a70a 33 * @note
yihui 9:05f0b5a3a70a 34 * It is only required to specify as many pin variables as is required
yihui 9:05f0b5a3a70a 35 * for the bus; the rest will default to NC (not connected)
yihui 9:05f0b5a3a70a 36 */
yihui 9:05f0b5a3a70a 37 BusOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
yihui 9:05f0b5a3a70a 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
yihui 9:05f0b5a3a70a 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
yihui 9:05f0b5a3a70a 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
yihui 9:05f0b5a3a70a 41
yihui 9:05f0b5a3a70a 42 BusOut(PinName pins[16]);
yihui 9:05f0b5a3a70a 43
yihui 9:05f0b5a3a70a 44 virtual ~BusOut();
yihui 9:05f0b5a3a70a 45
yihui 9:05f0b5a3a70a 46 /** Write the value to the output bus
yihui 9:05f0b5a3a70a 47 *
yihui 9:05f0b5a3a70a 48 * @param value An integer specifying a bit to write for every corresponding DigitalOut pin
yihui 9:05f0b5a3a70a 49 */
yihui 9:05f0b5a3a70a 50 void write(int value);
yihui 9:05f0b5a3a70a 51
yihui 9:05f0b5a3a70a 52 /** Read the value currently output on the bus
yihui 9:05f0b5a3a70a 53 *
yihui 9:05f0b5a3a70a 54 * @returns
yihui 9:05f0b5a3a70a 55 * An integer with each bit corresponding to associated DigitalOut pin setting
yihui 9:05f0b5a3a70a 56 */
yihui 9:05f0b5a3a70a 57 int read();
yihui 9:05f0b5a3a70a 58
yihui 9:05f0b5a3a70a 59 #ifdef MBED_OPERATORS
yihui 9:05f0b5a3a70a 60 /** A shorthand for write()
yihui 9:05f0b5a3a70a 61 */
yihui 9:05f0b5a3a70a 62 BusOut& operator= (int v);
yihui 9:05f0b5a3a70a 63 BusOut& operator= (BusOut& rhs);
yihui 9:05f0b5a3a70a 64
yihui 9:05f0b5a3a70a 65 /** A shorthand for read()
yihui 9:05f0b5a3a70a 66 */
yihui 9:05f0b5a3a70a 67 operator int();
yihui 9:05f0b5a3a70a 68 #endif
yihui 9:05f0b5a3a70a 69
yihui 9:05f0b5a3a70a 70 protected:
yihui 9:05f0b5a3a70a 71 DigitalOut* _pin[16];
yihui 9:05f0b5a3a70a 72
yihui 9:05f0b5a3a70a 73 /* disallow copy constructor and assignment operators */
yihui 9:05f0b5a3a70a 74 private:
yihui 9:05f0b5a3a70a 75 BusOut(const BusOut&);
yihui 9:05f0b5a3a70a 76 BusOut & operator = (const BusOut&);
yihui 9:05f0b5a3a70a 77 };
yihui 9:05f0b5a3a70a 78
yihui 9:05f0b5a3a70a 79 } // namespace mbed
yihui 9:05f0b5a3a70a 80
yihui 9:05f0b5a3a70a 81 #endif