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mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

cpp/PortInOut.h@2:143cac498751, 2013-02-18 (annotated)

Committer:
emilmont
Date:
Mon Feb 18 11:44:18 2013 +0000
Revision:
2:143cac498751
Parent:
0:fd0d7bdfcdc2 
Update mbed sources to Rev 59

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #ifndef MBED_PORTINOUT_H
mbed_official 0:fd0d7bdfcdc2 17 #define MBED_PORTINOUT_H
mbed_official 0:fd0d7bdfcdc2 18
mbed_official 0:fd0d7bdfcdc2 19 #include "platform.h"
mbed_official 0:fd0d7bdfcdc2 20
mbed_official 0:fd0d7bdfcdc2 21 #if DEVICE_PORTINOUT
mbed_official 0:fd0d7bdfcdc2 22
mbed_official 0:fd0d7bdfcdc2 23 #include "port_api.h"
mbed_official 0:fd0d7bdfcdc2 24
mbed_official 0:fd0d7bdfcdc2 25 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 26
mbed_official 0:fd0d7bdfcdc2 27 /** A multiple pin digital in/out used to set/read multiple bi-directional pins
mbed_official 0:fd0d7bdfcdc2 28 */
mbed_official 0:fd0d7bdfcdc2 29 class PortInOut {
mbed_official 0:fd0d7bdfcdc2 30 public:
mbed_official 0:fd0d7bdfcdc2 31
mbed_official 0:fd0d7bdfcdc2 32 /** Create an PortInOut, connected to the specified port
mbed_official 0:fd0d7bdfcdc2 33 *
mbed_official 0:fd0d7bdfcdc2 34 * @param port Port to connect to (Port0-Port5)
mbed_official 0:fd0d7bdfcdc2 35 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
emilmont 2:143cac498751 36 */
mbed_official 0:fd0d7bdfcdc2 37 PortInOut(PortName port, int mask = 0xFFFFFFFF) {
mbed_official 0:fd0d7bdfcdc2 38 port_init(&_port, port, mask, PIN_INPUT);
mbed_official 0:fd0d7bdfcdc2 39 }
emilmont 2:143cac498751 40
mbed_official 0:fd0d7bdfcdc2 41 /** Write the value to the output port
mbed_official 0:fd0d7bdfcdc2 42 *
mbed_official 0:fd0d7bdfcdc2 43 * @param value An integer specifying a bit to write for every corresponding port pin
emilmont 2:143cac498751 44 */
mbed_official 0:fd0d7bdfcdc2 45 void write(int value) {
mbed_official 0:fd0d7bdfcdc2 46 port_write(&_port, value);
mbed_official 0:fd0d7bdfcdc2 47 }
emilmont 2:143cac498751 48
mbed_official 0:fd0d7bdfcdc2 49 /** Read the value currently output on the port
mbed_official 0:fd0d7bdfcdc2 50 *
mbed_official 0:fd0d7bdfcdc2 51 * @returns
mbed_official 0:fd0d7bdfcdc2 52 * An integer with each bit corresponding to associated port pin setting
mbed_official 0:fd0d7bdfcdc2 53 */
mbed_official 0:fd0d7bdfcdc2 54 int read() {
mbed_official 0:fd0d7bdfcdc2 55 return port_read(&_port);
mbed_official 0:fd0d7bdfcdc2 56 }
emilmont 2:143cac498751 57
mbed_official 0:fd0d7bdfcdc2 58 /** Set as an output
mbed_official 0:fd0d7bdfcdc2 59 */
mbed_official 0:fd0d7bdfcdc2 60 void output() {
mbed_official 0:fd0d7bdfcdc2 61 port_dir(&_port, PIN_OUTPUT);
mbed_official 0:fd0d7bdfcdc2 62 }
emilmont 2:143cac498751 63
mbed_official 0:fd0d7bdfcdc2 64 /** Set as an input
mbed_official 0:fd0d7bdfcdc2 65 */
mbed_official 0:fd0d7bdfcdc2 66 void input() {
mbed_official 0:fd0d7bdfcdc2 67 port_dir(&_port, PIN_INPUT);
mbed_official 0:fd0d7bdfcdc2 68 }
emilmont 2:143cac498751 69
mbed_official 0:fd0d7bdfcdc2 70 /** Set the input pin mode
mbed_official 0:fd0d7bdfcdc2 71 *
mbed_official 0:fd0d7bdfcdc2 72 * @param mode PullUp, PullDown, PullNone, OpenDrain
mbed_official 0:fd0d7bdfcdc2 73 */
mbed_official 0:fd0d7bdfcdc2 74 void mode(PinMode mode) {
mbed_official 0:fd0d7bdfcdc2 75 port_mode(&_port, mode);
mbed_official 0:fd0d7bdfcdc2 76 }
emilmont 2:143cac498751 77
mbed_official 0:fd0d7bdfcdc2 78 /** A shorthand for write()
emilmont 2:143cac498751 79 */
mbed_official 0:fd0d7bdfcdc2 80 PortInOut& operator= (int value) {
mbed_official 0:fd0d7bdfcdc2 81 write(value);
mbed_official 0:fd0d7bdfcdc2 82 return *this;
mbed_official 0:fd0d7bdfcdc2 83 }
emilmont 2:143cac498751 84
mbed_official 0:fd0d7bdfcdc2 85 PortInOut& operator= (PortInOut& rhs) {
mbed_official 0:fd0d7bdfcdc2 86 write(rhs.read());
mbed_official 0:fd0d7bdfcdc2 87 return *this;
mbed_official 0:fd0d7bdfcdc2 88 }
emilmont 2:143cac498751 89
mbed_official 0:fd0d7bdfcdc2 90 /** A shorthand for read()
mbed_official 0:fd0d7bdfcdc2 91 */
emilmont 2:143cac498751 92 operator int() {
mbed_official 0:fd0d7bdfcdc2 93 return read();
mbed_official 0:fd0d7bdfcdc2 94 }
mbed_official 0:fd0d7bdfcdc2 95
mbed_official 0:fd0d7bdfcdc2 96 private:
mbed_official 0:fd0d7bdfcdc2 97 port_t _port;
mbed_official 0:fd0d7bdfcdc2 98 };
mbed_official 0:fd0d7bdfcdc2 99
mbed_official 0:fd0d7bdfcdc2 100 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 101
mbed_official 0:fd0d7bdfcdc2 102 #endif
mbed_official 0:fd0d7bdfcdc2 103
mbed_official 0:fd0d7bdfcdc2 104 #endif