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Diff: PortIn.h
- Revision:
- 65:5798e58a58b1
- Parent:
- 59:0883845fe643
diff -r e3affc9e7238 -r 5798e58a58b1 PortIn.h --- a/PortIn.h Mon Aug 05 12:28:09 2013 +0300 +++ b/PortIn.h Mon Aug 12 13:17:46 2013 +0300 @@ -1,93 +1,93 @@ -/* mbed Microcontroller Library - * Copyright (c) 2006-2013 ARM Limited - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -#ifndef MBED_PORTIN_H -#define MBED_PORTIN_H - -#include "platform.h" - -#if DEVICE_PORTIN - -#include "port_api.h" - -namespace mbed { - -/** A multiple pin digital input - * - * Example: - * @code - * // Switch on an LED if any of mbed pins 21-26 is high - * - * #include "mbed.h" - * - * PortIn p(Port2, 0x0000003F); // p21-p26 - * DigitalOut ind(LED4); - * - * int main() { - * while(1) { - * int pins = p.read(); - * if(pins) { - * ind = 1; - * } else { - * ind = 0; - * } - * } - * } - * @endcode - */ -class PortIn { -public: - - /** Create an PortIn, 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) - */ - PortIn(PortName port, int mask = 0xFFFFFFFF) { - port_init(&_port, port, mask, PIN_INPUT); - } - - /** 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 the input pin mode - * - * @param mode PullUp, PullDown, PullNone, OpenDrain - */ - void mode(PinMode mode) { - port_mode(&_port, mode); - } - - /** A shorthand for read() - */ - operator int() { - return read(); - } - -private: - port_t _port; -}; - -} // namespace mbed - -#endif - -#endif +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_PORTIN_H +#define MBED_PORTIN_H + +#include "platform.h" + +#if DEVICE_PORTIN + +#include "port_api.h" + +namespace mbed { + +/** A multiple pin digital input + * + * Example: + * @code + * // Switch on an LED if any of mbed pins 21-26 is high + * + * #include "mbed.h" + * + * PortIn p(Port2, 0x0000003F); // p21-p26 + * DigitalOut ind(LED4); + * + * int main() { + * while(1) { + * int pins = p.read(); + * if(pins) { + * ind = 1; + * } else { + * ind = 0; + * } + * } + * } + * @endcode + */ +class PortIn { +public: + + /** Create an PortIn, 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) + */ + PortIn(PortName port, int mask = 0xFFFFFFFF) { + port_init(&_port, port, mask, PIN_INPUT); + } + + /** 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 the input pin mode + * + * @param mode PullUp, PullDown, PullNone, OpenDrain + */ + void mode(PinMode mode) { + port_mode(&_port, mode); + } + + /** A shorthand for read() + */ + operator int() { + return read(); + } + +private: + port_t _port; +}; + +} // namespace mbed + +#endif + +#endif