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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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

api/PortIn.h@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
cpp/PortIn.h@2:143cac498751
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

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_PORTIN_H
mbed_official 0:fd0d7bdfcdc2 17 #define MBED_PORTIN_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_PORTIN
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 input
mbed_official 0:fd0d7bdfcdc2 28 *
mbed_official 0:fd0d7bdfcdc2 29 * Example:
mbed_official 0:fd0d7bdfcdc2 30 * @code
mbed_official 0:fd0d7bdfcdc2 31 * // Switch on an LED if any of mbed pins 21-26 is high
mbed_official 0:fd0d7bdfcdc2 32 *
mbed_official 0:fd0d7bdfcdc2 33 * #include "mbed.h"
mbed_official 0:fd0d7bdfcdc2 34 *
mbed_official 0:fd0d7bdfcdc2 35 * PortIn p(Port2, 0x0000003F); // p21-p26
mbed_official 0:fd0d7bdfcdc2 36 * DigitalOut ind(LED4);
mbed_official 0:fd0d7bdfcdc2 37 *
mbed_official 0:fd0d7bdfcdc2 38 * int main() {
mbed_official 0:fd0d7bdfcdc2 39 * while(1) {
mbed_official 0:fd0d7bdfcdc2 40 * int pins = p.read();
mbed_official 0:fd0d7bdfcdc2 41 * if(pins) {
mbed_official 0:fd0d7bdfcdc2 42 * ind = 1;
mbed_official 0:fd0d7bdfcdc2 43 * } else {
mbed_official 0:fd0d7bdfcdc2 44 * ind = 0;
mbed_official 0:fd0d7bdfcdc2 45 * }
mbed_official 0:fd0d7bdfcdc2 46 * }
mbed_official 0:fd0d7bdfcdc2 47 * }
mbed_official 0:fd0d7bdfcdc2 48 * @endcode
mbed_official 0:fd0d7bdfcdc2 49 */
mbed_official 0:fd0d7bdfcdc2 50 class PortIn {
mbed_official 0:fd0d7bdfcdc2 51 public:
mbed_official 0:fd0d7bdfcdc2 52
mbed_official 0:fd0d7bdfcdc2 53 /** Create an PortIn, connected to the specified port
mbed_official 0:fd0d7bdfcdc2 54 *
mbed_official 0:fd0d7bdfcdc2 55 * @param port Port to connect to (Port0-Port5)
mbed_official 0:fd0d7bdfcdc2 56 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
emilmont 2:143cac498751 57 */
mbed_official 0:fd0d7bdfcdc2 58 PortIn(PortName port, int mask = 0xFFFFFFFF) {
mbed_official 0:fd0d7bdfcdc2 59 port_init(&_port, port, mask, PIN_INPUT);
mbed_official 0:fd0d7bdfcdc2 60 }
emilmont 2:143cac498751 61
mbed_official 0:fd0d7bdfcdc2 62 /** Read the value currently output on the port
mbed_official 0:fd0d7bdfcdc2 63 *
mbed_official 0:fd0d7bdfcdc2 64 * @returns
mbed_official 0:fd0d7bdfcdc2 65 * An integer with each bit corresponding to associated port pin setting
mbed_official 0:fd0d7bdfcdc2 66 */
mbed_official 0:fd0d7bdfcdc2 67 int read() {
mbed_official 0:fd0d7bdfcdc2 68 return port_read(&_port);
mbed_official 0:fd0d7bdfcdc2 69 }
emilmont 2:143cac498751 70
mbed_official 0:fd0d7bdfcdc2 71 /** Set the input pin mode
mbed_official 0:fd0d7bdfcdc2 72 *
mbed_official 0:fd0d7bdfcdc2 73 * @param mode PullUp, PullDown, PullNone, OpenDrain
mbed_official 0:fd0d7bdfcdc2 74 */
mbed_official 0:fd0d7bdfcdc2 75 void mode(PinMode mode) {
mbed_official 0:fd0d7bdfcdc2 76 port_mode(&_port, mode);
mbed_official 0:fd0d7bdfcdc2 77 }
emilmont 2:143cac498751 78
mbed_official 0:fd0d7bdfcdc2 79 /** A shorthand for read()
mbed_official 0:fd0d7bdfcdc2 80 */
emilmont 2:143cac498751 81 operator int() {
mbed_official 0:fd0d7bdfcdc2 82 return read();
mbed_official 0:fd0d7bdfcdc2 83 }
mbed_official 0:fd0d7bdfcdc2 84
mbed_official 0:fd0d7bdfcdc2 85 private:
mbed_official 0:fd0d7bdfcdc2 86 port_t _port;
mbed_official 0:fd0d7bdfcdc2 87 };
mbed_official 0:fd0d7bdfcdc2 88
mbed_official 0:fd0d7bdfcdc2 89 } // namespace mbed
mbed_official 0:fd0d7bdfcdc2 90
mbed_official 0:fd0d7bdfcdc2 91 #endif
mbed_official 0:fd0d7bdfcdc2 92
mbed_official 0:fd0d7bdfcdc2 93 #endif