mbed library sources modified for open wear
Dependents: openwear-lifelogger-example
Fork of mbed-src by
cpp/PortInOut.h
- Committer:
- mbed_official
- Date:
- 2012-11-20
- Revision:
- 0:fd0d7bdfcdc2
- Child:
- 2:143cac498751
File content as of revision 0:fd0d7bdfcdc2:
/* mbed Microcontroller Library * Copyright (c) 2006-2012 ARM Limited * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef MBED_PORTINOUT_H #define MBED_PORTINOUT_H #include "platform.h" #if DEVICE_PORTINOUT #include "port_api.h" namespace mbed { /** A multiple pin digital in/out used to set/read multiple bi-directional pins */ class PortInOut { public: /** Create an PortInOut, connected to the specified port * * @param port Port to connect to (Port0-Port5) * @param mask A bitmask to identify which bits in the port should be included (0 - ignore) */ PortInOut(PortName port, int mask = 0xFFFFFFFF) { port_init(&_port, port, mask, PIN_INPUT); } /** Write the value to the output port * * @param value An integer specifying a bit to write for every corresponding port pin */ void write(int value) { port_write(&_port, value); } /** Read the value currently output on the port * * @returns * An integer with each bit corresponding to associated port pin setting */ int read() { return port_read(&_port); } /** Set as an output */ void output() { port_dir(&_port, PIN_OUTPUT); } /** Set as an input */ void input() { port_dir(&_port, PIN_INPUT); } /** Set the input pin mode * * @param mode PullUp, PullDown, PullNone, OpenDrain */ void mode(PinMode mode) { port_mode(&_port, mode); } /** A shorthand for write() */ PortInOut& operator= (int value) { write(value); return *this; } PortInOut& operator= (PortInOut& rhs) { write(rhs.read()); return *this; } /** A shorthand for read() */ operator int() { return read(); } private: port_t _port; }; } // namespace mbed #endif #endif