DSP Book Yeditepe / mbed_f401re

mbed library sources with internal temperature sensor for nucleo f401

api/PortInOut.h@0:7e2bd16f80af, 2015-01-17 (annotated)

Committer:
elessair
Date:
Sat Jan 17 18:03:58 2015 +0000
Revision:
0:7e2bd16f80af
nucleo f401re internal temperature added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:7e2bd16f80af 1 /* mbed Microcontroller Library
elessair 0:7e2bd16f80af 2 * Copyright (c) 2006-2013 ARM Limited
elessair 0:7e2bd16f80af 3 *
elessair 0:7e2bd16f80af 4 * Licensed under the Apache License, Version 2.0 (the "License");
elessair 0:7e2bd16f80af 5 * you may not use this file except in compliance with the License.
elessair 0:7e2bd16f80af 6 * You may obtain a copy of the License at
elessair 0:7e2bd16f80af 7 *
elessair 0:7e2bd16f80af 8 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:7e2bd16f80af 9 *
elessair 0:7e2bd16f80af 10 * Unless required by applicable law or agreed to in writing, software
elessair 0:7e2bd16f80af 11 * distributed under the License is distributed on an "AS IS" BASIS,
elessair 0:7e2bd16f80af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:7e2bd16f80af 13 * See the License for the specific language governing permissions and
elessair 0:7e2bd16f80af 14 * limitations under the License.
elessair 0:7e2bd16f80af 15 */
elessair 0:7e2bd16f80af 16 #ifndef MBED_PORTINOUT_H
elessair 0:7e2bd16f80af 17 #define MBED_PORTINOUT_H
elessair 0:7e2bd16f80af 18
elessair 0:7e2bd16f80af 19 #include "platform.h"
elessair 0:7e2bd16f80af 20
elessair 0:7e2bd16f80af 21 #if DEVICE_PORTINOUT
elessair 0:7e2bd16f80af 22
elessair 0:7e2bd16f80af 23 #include "port_api.h"
elessair 0:7e2bd16f80af 24
elessair 0:7e2bd16f80af 25 namespace mbed {
elessair 0:7e2bd16f80af 26
elessair 0:7e2bd16f80af 27 /** A multiple pin digital in/out used to set/read multiple bi-directional pins
elessair 0:7e2bd16f80af 28 */
elessair 0:7e2bd16f80af 29 class PortInOut {
elessair 0:7e2bd16f80af 30 public:
elessair 0:7e2bd16f80af 31
elessair 0:7e2bd16f80af 32 /** Create an PortInOut, connected to the specified port
elessair 0:7e2bd16f80af 33 *
elessair 0:7e2bd16f80af 34 * @param port Port to connect to (Port0-Port5)
elessair 0:7e2bd16f80af 35 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
elessair 0:7e2bd16f80af 36 */
elessair 0:7e2bd16f80af 37 PortInOut(PortName port, int mask = 0xFFFFFFFF) {
elessair 0:7e2bd16f80af 38 port_init(&_port, port, mask, PIN_INPUT);
elessair 0:7e2bd16f80af 39 }
elessair 0:7e2bd16f80af 40
elessair 0:7e2bd16f80af 41 /** Write the value to the output port
elessair 0:7e2bd16f80af 42 *
elessair 0:7e2bd16f80af 43 * @param value An integer specifying a bit to write for every corresponding port pin
elessair 0:7e2bd16f80af 44 */
elessair 0:7e2bd16f80af 45 void write(int value) {
elessair 0:7e2bd16f80af 46 port_write(&_port, value);
elessair 0:7e2bd16f80af 47 }
elessair 0:7e2bd16f80af 48
elessair 0:7e2bd16f80af 49 /** Read the value currently output on the port
elessair 0:7e2bd16f80af 50 *
elessair 0:7e2bd16f80af 51 * @returns
elessair 0:7e2bd16f80af 52 * An integer with each bit corresponding to associated port pin setting
elessair 0:7e2bd16f80af 53 */
elessair 0:7e2bd16f80af 54 int read() {
elessair 0:7e2bd16f80af 55 return port_read(&_port);
elessair 0:7e2bd16f80af 56 }
elessair 0:7e2bd16f80af 57
elessair 0:7e2bd16f80af 58 /** Set as an output
elessair 0:7e2bd16f80af 59 */
elessair 0:7e2bd16f80af 60 void output() {
elessair 0:7e2bd16f80af 61 port_dir(&_port, PIN_OUTPUT);
elessair 0:7e2bd16f80af 62 }
elessair 0:7e2bd16f80af 63
elessair 0:7e2bd16f80af 64 /** Set as an input
elessair 0:7e2bd16f80af 65 */
elessair 0:7e2bd16f80af 66 void input() {
elessair 0:7e2bd16f80af 67 port_dir(&_port, PIN_INPUT);
elessair 0:7e2bd16f80af 68 }
elessair 0:7e2bd16f80af 69
elessair 0:7e2bd16f80af 70 /** Set the input pin mode
elessair 0:7e2bd16f80af 71 *
elessair 0:7e2bd16f80af 72 * @param mode PullUp, PullDown, PullNone, OpenDrain
elessair 0:7e2bd16f80af 73 */
elessair 0:7e2bd16f80af 74 void mode(PinMode mode) {
elessair 0:7e2bd16f80af 75 port_mode(&_port, mode);
elessair 0:7e2bd16f80af 76 }
elessair 0:7e2bd16f80af 77
elessair 0:7e2bd16f80af 78 /** A shorthand for write()
elessair 0:7e2bd16f80af 79 */
elessair 0:7e2bd16f80af 80 PortInOut& operator= (int value) {
elessair 0:7e2bd16f80af 81 write(value);
elessair 0:7e2bd16f80af 82 return *this;
elessair 0:7e2bd16f80af 83 }
elessair 0:7e2bd16f80af 84
elessair 0:7e2bd16f80af 85 PortInOut& operator= (PortInOut& rhs) {
elessair 0:7e2bd16f80af 86 write(rhs.read());
elessair 0:7e2bd16f80af 87 return *this;
elessair 0:7e2bd16f80af 88 }
elessair 0:7e2bd16f80af 89
elessair 0:7e2bd16f80af 90 /** A shorthand for read()
elessair 0:7e2bd16f80af 91 */
elessair 0:7e2bd16f80af 92 operator int() {
elessair 0:7e2bd16f80af 93 return read();
elessair 0:7e2bd16f80af 94 }
elessair 0:7e2bd16f80af 95
elessair 0:7e2bd16f80af 96 private:
elessair 0:7e2bd16f80af 97 port_t _port;
elessair 0:7e2bd16f80af 98 };
elessair 0:7e2bd16f80af 99
elessair 0:7e2bd16f80af 100 } // namespace mbed
elessair 0:7e2bd16f80af 101
elessair 0:7e2bd16f80af 102 #endif
elessair 0:7e2bd16f80af 103
elessair 0:7e2bd16f80af 104 #endif