mbed library sources
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Diff: cpp/PortOut.h
- Revision:
- 9:0ce32e54c9a7
- Parent:
- 8:4e25b8576136
- Child:
- 10:3bc89ef62ce7
--- a/cpp/PortOut.h Thu May 30 16:59:31 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,104 +0,0 @@ -/* 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.h" - -#if DEVICE_PORTOUT - -#include "port_api.h" - -namespace mbed { -/** A multiple pin digital out - * - * 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 - */ -class PortOut { -public: - - /** Create an PortOut, 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) - */ - PortOut(PortName port, int mask = 0xFFFFFFFF) { - port_init(&_port, port, mask, PIN_OUTPUT); - } - - /** 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 PortOut pin setting - */ - int read() { - return port_read(&_port); - } - - /** A shorthand for write() - */ - PortOut& operator= (int value) { - write(value); - return *this; - } - - PortOut& operator= (PortOut& rhs) { - write(rhs.read()); - return *this; - } - - /** A shorthand for read() - */ - operator int() { - return read(); - } - -private: - port_t _port; -}; - -} // namespace mbed - -#endif - -#endif