RTC auf true
Diff: drivers/PortOut.h
- Revision:
- 0:38ceb79fef03
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/drivers/PortOut.h Wed Nov 28 15:10:15 2018 +0000 @@ -0,0 +1,122 @@ +/* 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_PORTOUT_H +#define MBED_PORTOUT_H + +#include "platform/platform.h" + +#if defined (DEVICE_PORTOUT) || defined(DOXYGEN_ONLY) + +#include "hal/port_api.h" +#include "platform/mbed_critical.h" + +namespace mbed { +/** \addtogroup drivers */ +/** A multiple pin digital output + * + * @note Synchronization level: Interrupt safe + * + * Example: + * @code + * // Toggle all four LEDs + * + * #include "mbed.h" + * + * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23 + * #define LED_MASK 0x00B40000 + * + * PortOut ledport(Port1, LED_MASK); + * + * int main() { + * while(1) { + * ledport = LED_MASK; + * wait(1); + * ledport = 0; + * wait(1); + * } + * } + * @endcode + * @ingroup drivers + */ +class PortOut { +public: + + /** Create a PortOut, connected to the specified port + * + * @param port Port to connect to (as defined in target's PortNames.h) + * @param mask Bitmask defines which port pins are an output (0 - ignore, 1 - include) + */ + PortOut(PortName port, int mask = 0xFFFFFFFF) + { + core_util_critical_section_enter(); + port_init(&_port, port, mask, PIN_OUTPUT); + core_util_critical_section_exit(); + } + + /** Write the value to the output port + * + * @param value An integer specifying a bit to write for every corresponding PortOut 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 pin value + */ + int read() + { + return port_read(&_port); + } + + /** A shorthand for write() + * \sa PortOut::write() + */ + PortOut &operator= (int value) + { + write(value); + return *this; + } + + /** A shorthand for read() + * \sa PortOut::read() + */ + PortOut &operator= (PortOut &rhs) + { + write(rhs.read()); + return *this; + } + + /** A shorthand for read() + * \sa PortOut::read() + */ + operator int() + { + return read(); + } + +private: + port_t _port; +}; + +} // namespace mbed + +#endif + +#endif