Emir Sokic / mbedPAI Featured

mbed.h verzija za koristenje na predmetu PAI

PortInOut.h@0:05aad811ea07, 2015-03-10 (annotated)

Committer:
esokic
Date:
Tue Mar 10 09:51:52 2015 +0000
Revision:
0:05aad811ea07
mbed.h verzija od marta 2014, za koristenje na predmetu PAI

Who changed what in which revision?

UserRevisionLine numberNew contents of line
esokic 0:05aad811ea07 1 /* mbed Microcontroller Library
esokic 0:05aad811ea07 2 * Copyright (c) 2006-2013 ARM Limited
esokic 0:05aad811ea07 3 *
esokic 0:05aad811ea07 4 * Licensed under the Apache License, Version 2.0 (the "License");
esokic 0:05aad811ea07 5 * you may not use this file except in compliance with the License.
esokic 0:05aad811ea07 6 * You may obtain a copy of the License at
esokic 0:05aad811ea07 7 *
esokic 0:05aad811ea07 8 * http://www.apache.org/licenses/LICENSE-2.0
esokic 0:05aad811ea07 9 *
esokic 0:05aad811ea07 10 * Unless required by applicable law or agreed to in writing, software
esokic 0:05aad811ea07 11 * distributed under the License is distributed on an "AS IS" BASIS,
esokic 0:05aad811ea07 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
esokic 0:05aad811ea07 13 * See the License for the specific language governing permissions and
esokic 0:05aad811ea07 14 * limitations under the License.
esokic 0:05aad811ea07 15 */
esokic 0:05aad811ea07 16 #ifndef MBED_PORTINOUT_H
esokic 0:05aad811ea07 17 #define MBED_PORTINOUT_H
esokic 0:05aad811ea07 18
esokic 0:05aad811ea07 19 #include "platform.h"
esokic 0:05aad811ea07 20
esokic 0:05aad811ea07 21 #if DEVICE_PORTINOUT
esokic 0:05aad811ea07 22
esokic 0:05aad811ea07 23 #include "port_api.h"
esokic 0:05aad811ea07 24
esokic 0:05aad811ea07 25 namespace mbed {
esokic 0:05aad811ea07 26
esokic 0:05aad811ea07 27 /** A multiple pin digital in/out used to set/read multiple bi-directional pins
esokic 0:05aad811ea07 28 */
esokic 0:05aad811ea07 29 class PortInOut {
esokic 0:05aad811ea07 30 public:
esokic 0:05aad811ea07 31
esokic 0:05aad811ea07 32 /** Create an PortInOut, connected to the specified port
esokic 0:05aad811ea07 33 *
esokic 0:05aad811ea07 34 * @param port Port to connect to (Port0-Port5)
esokic 0:05aad811ea07 35 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
esokic 0:05aad811ea07 36 */
esokic 0:05aad811ea07 37 PortInOut(PortName port, int mask = 0xFFFFFFFF) {
esokic 0:05aad811ea07 38 port_init(&_port, port, mask, PIN_INPUT);
esokic 0:05aad811ea07 39 }
esokic 0:05aad811ea07 40
esokic 0:05aad811ea07 41 /** Write the value to the output port
esokic 0:05aad811ea07 42 *
esokic 0:05aad811ea07 43 * @param value An integer specifying a bit to write for every corresponding port pin
esokic 0:05aad811ea07 44 */
esokic 0:05aad811ea07 45 void write(int value) {
esokic 0:05aad811ea07 46 port_write(&_port, value);
esokic 0:05aad811ea07 47 }
esokic 0:05aad811ea07 48
esokic 0:05aad811ea07 49 /** Read the value currently output on the port
esokic 0:05aad811ea07 50 *
esokic 0:05aad811ea07 51 * @returns
esokic 0:05aad811ea07 52 * An integer with each bit corresponding to associated port pin setting
esokic 0:05aad811ea07 53 */
esokic 0:05aad811ea07 54 int read() {
esokic 0:05aad811ea07 55 return port_read(&_port);
esokic 0:05aad811ea07 56 }
esokic 0:05aad811ea07 57
esokic 0:05aad811ea07 58 /** Set as an output
esokic 0:05aad811ea07 59 */
esokic 0:05aad811ea07 60 void output() {
esokic 0:05aad811ea07 61 port_dir(&_port, PIN_OUTPUT);
esokic 0:05aad811ea07 62 }
esokic 0:05aad811ea07 63
esokic 0:05aad811ea07 64 /** Set as an input
esokic 0:05aad811ea07 65 */
esokic 0:05aad811ea07 66 void input() {
esokic 0:05aad811ea07 67 port_dir(&_port, PIN_INPUT);
esokic 0:05aad811ea07 68 }
esokic 0:05aad811ea07 69
esokic 0:05aad811ea07 70 /** Set the input pin mode
esokic 0:05aad811ea07 71 *
esokic 0:05aad811ea07 72 * @param mode PullUp, PullDown, PullNone, OpenDrain
esokic 0:05aad811ea07 73 */
esokic 0:05aad811ea07 74 void mode(PinMode mode) {
esokic 0:05aad811ea07 75 port_mode(&_port, mode);
esokic 0:05aad811ea07 76 }
esokic 0:05aad811ea07 77
esokic 0:05aad811ea07 78 /** A shorthand for write()
esokic 0:05aad811ea07 79 */
esokic 0:05aad811ea07 80 PortInOut& operator= (int value) {
esokic 0:05aad811ea07 81 write(value);
esokic 0:05aad811ea07 82 return *this;
esokic 0:05aad811ea07 83 }
esokic 0:05aad811ea07 84
esokic 0:05aad811ea07 85 PortInOut& operator= (PortInOut& rhs) {
esokic 0:05aad811ea07 86 write(rhs.read());
esokic 0:05aad811ea07 87 return *this;
esokic 0:05aad811ea07 88 }
esokic 0:05aad811ea07 89
esokic 0:05aad811ea07 90 /** A shorthand for read()
esokic 0:05aad811ea07 91 */
esokic 0:05aad811ea07 92 operator int() {
esokic 0:05aad811ea07 93 return read();
esokic 0:05aad811ea07 94 }
esokic 0:05aad811ea07 95
esokic 0:05aad811ea07 96 private:
esokic 0:05aad811ea07 97 port_t _port;
esokic 0:05aad811ea07 98 };
esokic 0:05aad811ea07 99
esokic 0:05aad811ea07 100 } // namespace mbed
esokic 0:05aad811ea07 101
esokic 0:05aad811ea07 102 #endif
esokic 0:05aad811ea07 103
esokic 0:05aad811ea07 104 #endif