mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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/PortOut.h@10:3bc89ef62ce7, 2013-06-14 (annotated)

Committer:
emilmont
Date:
Fri Jun 14 17:49:17 2013 +0100
Revision:
10:3bc89ef62ce7
Parent:
9:0ce32e54c9a7
Child:
13:0645d8841f51
Unify mbed library sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #ifndef MBED_PORTOUT_H
emilmont 10:3bc89ef62ce7 17 #define MBED_PORTOUT_H
emilmont 10:3bc89ef62ce7 18
emilmont 10:3bc89ef62ce7 19 #include "platform.h"
emilmont 10:3bc89ef62ce7 20
emilmont 10:3bc89ef62ce7 21 #if DEVICE_PORTOUT
emilmont 10:3bc89ef62ce7 22
emilmont 10:3bc89ef62ce7 23 #include "port_api.h"
emilmont 10:3bc89ef62ce7 24
emilmont 10:3bc89ef62ce7 25 namespace mbed {
emilmont 10:3bc89ef62ce7 26 /** A multiple pin digital out
emilmont 10:3bc89ef62ce7 27 *
emilmont 10:3bc89ef62ce7 28 * Example:
emilmont 10:3bc89ef62ce7 29 * @code
emilmont 10:3bc89ef62ce7 30 * // Toggle all four LEDs
emilmont 10:3bc89ef62ce7 31 *
emilmont 10:3bc89ef62ce7 32 * #include "mbed.h"
emilmont 10:3bc89ef62ce7 33 *
emilmont 10:3bc89ef62ce7 34 * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23
emilmont 10:3bc89ef62ce7 35 * #define LED_MASK 0x00B40000
emilmont 10:3bc89ef62ce7 36 *
emilmont 10:3bc89ef62ce7 37 * PortOut ledport(Port1, LED_MASK);
emilmont 10:3bc89ef62ce7 38 *
emilmont 10:3bc89ef62ce7 39 * int main() {
emilmont 10:3bc89ef62ce7 40 * while(1) {
emilmont 10:3bc89ef62ce7 41 * ledport = LED_MASK;
emilmont 10:3bc89ef62ce7 42 * wait(1);
emilmont 10:3bc89ef62ce7 43 * ledport = 0;
emilmont 10:3bc89ef62ce7 44 * wait(1);
emilmont 10:3bc89ef62ce7 45 * }
emilmont 10:3bc89ef62ce7 46 * }
emilmont 10:3bc89ef62ce7 47 * @endcode
emilmont 10:3bc89ef62ce7 48 */
emilmont 10:3bc89ef62ce7 49 class PortOut {
emilmont 10:3bc89ef62ce7 50 public:
emilmont 10:3bc89ef62ce7 51
emilmont 10:3bc89ef62ce7 52 /** Create an PortOut, connected to the specified port
emilmont 10:3bc89ef62ce7 53 *
emilmont 10:3bc89ef62ce7 54 * @param port Port to connect to (Port0-Port5)
emilmont 10:3bc89ef62ce7 55 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
emilmont 10:3bc89ef62ce7 56 */
emilmont 10:3bc89ef62ce7 57 PortOut(PortName port, int mask = 0xFFFFFFFF) {
emilmont 10:3bc89ef62ce7 58 port_init(&_port, port, mask, PIN_OUTPUT);
emilmont 10:3bc89ef62ce7 59 }
emilmont 10:3bc89ef62ce7 60
emilmont 10:3bc89ef62ce7 61 /** Write the value to the output port
emilmont 10:3bc89ef62ce7 62 *
emilmont 10:3bc89ef62ce7 63 * @param value An integer specifying a bit to write for every corresponding PortOut pin
emilmont 10:3bc89ef62ce7 64 */
emilmont 10:3bc89ef62ce7 65 void write(int value) {
emilmont 10:3bc89ef62ce7 66 port_write(&_port, value);
emilmont 10:3bc89ef62ce7 67 }
emilmont 10:3bc89ef62ce7 68
emilmont 10:3bc89ef62ce7 69 /** Read the value currently output on the port
emilmont 10:3bc89ef62ce7 70 *
emilmont 10:3bc89ef62ce7 71 * @returns
emilmont 10:3bc89ef62ce7 72 * An integer with each bit corresponding to associated PortOut pin setting
emilmont 10:3bc89ef62ce7 73 */
emilmont 10:3bc89ef62ce7 74 int read() {
emilmont 10:3bc89ef62ce7 75 return port_read(&_port);
emilmont 10:3bc89ef62ce7 76 }
emilmont 10:3bc89ef62ce7 77
emilmont 10:3bc89ef62ce7 78 /** A shorthand for write()
emilmont 10:3bc89ef62ce7 79 */
emilmont 10:3bc89ef62ce7 80 PortOut& operator= (int value) {
emilmont 10:3bc89ef62ce7 81 write(value);
emilmont 10:3bc89ef62ce7 82 return *this;
emilmont 10:3bc89ef62ce7 83 }
emilmont 10:3bc89ef62ce7 84
emilmont 10:3bc89ef62ce7 85 PortOut& operator= (PortOut& rhs) {
emilmont 10:3bc89ef62ce7 86 write(rhs.read());
emilmont 10:3bc89ef62ce7 87 return *this;
emilmont 10:3bc89ef62ce7 88 }
emilmont 10:3bc89ef62ce7 89
emilmont 10:3bc89ef62ce7 90 /** A shorthand for read()
emilmont 10:3bc89ef62ce7 91 */
emilmont 10:3bc89ef62ce7 92 operator int() {
emilmont 10:3bc89ef62ce7 93 return read();
emilmont 10:3bc89ef62ce7 94 }
emilmont 10:3bc89ef62ce7 95
emilmont 10:3bc89ef62ce7 96 private:
emilmont 10:3bc89ef62ce7 97 port_t _port;
emilmont 10:3bc89ef62ce7 98 };
emilmont 10:3bc89ef62ce7 99
emilmont 10:3bc89ef62ce7 100 } // namespace mbed
emilmont 10:3bc89ef62ce7 101
emilmont 10:3bc89ef62ce7 102 #endif
emilmont 10:3bc89ef62ce7 103
emilmont 10:3bc89ef62ce7 104 #endif