Mohamed Moawya / SnakeGame

test test test

Dependencies:   mbed

snake-test/mbed/drivers/PortInOut.h@0:e4c5e6ec922e, 2020-05-25 (annotated)

Committer:
mohamedmoawya
Date:
Mon May 25 19:06:11 2020 +0000
Revision:
0:e4c5e6ec922e
snake game tteest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mohamedmoawya 0:e4c5e6ec922e 1 /* mbed Microcontroller Library
mohamedmoawya 0:e4c5e6ec922e 2 * Copyright (c) 2006-2013 ARM Limited
mohamedmoawya 0:e4c5e6ec922e 3 *
mohamedmoawya 0:e4c5e6ec922e 4 * Licensed under the Apache License, Version 2.0 (the "License");
mohamedmoawya 0:e4c5e6ec922e 5 * you may not use this file except in compliance with the License.
mohamedmoawya 0:e4c5e6ec922e 6 * You may obtain a copy of the License at
mohamedmoawya 0:e4c5e6ec922e 7 *
mohamedmoawya 0:e4c5e6ec922e 8 * http://www.apache.org/licenses/LICENSE-2.0
mohamedmoawya 0:e4c5e6ec922e 9 *
mohamedmoawya 0:e4c5e6ec922e 10 * Unless required by applicable law or agreed to in writing, software
mohamedmoawya 0:e4c5e6ec922e 11 * distributed under the License is distributed on an "AS IS" BASIS,
mohamedmoawya 0:e4c5e6ec922e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mohamedmoawya 0:e4c5e6ec922e 13 * See the License for the specific language governing permissions and
mohamedmoawya 0:e4c5e6ec922e 14 * limitations under the License.
mohamedmoawya 0:e4c5e6ec922e 15 */
mohamedmoawya 0:e4c5e6ec922e 16 #ifndef MBED_PORTINOUT_H
mohamedmoawya 0:e4c5e6ec922e 17 #define MBED_PORTINOUT_H
mohamedmoawya 0:e4c5e6ec922e 18
mohamedmoawya 0:e4c5e6ec922e 19 #include "platform/platform.h"
mohamedmoawya 0:e4c5e6ec922e 20
mohamedmoawya 0:e4c5e6ec922e 21 #if defined (DEVICE_PORTINOUT) || defined(DOXYGEN_ONLY)
mohamedmoawya 0:e4c5e6ec922e 22
mohamedmoawya 0:e4c5e6ec922e 23 #include "hal/port_api.h"
mohamedmoawya 0:e4c5e6ec922e 24 #include "platform/mbed_critical.h"
mohamedmoawya 0:e4c5e6ec922e 25
mohamedmoawya 0:e4c5e6ec922e 26 namespace mbed {
mohamedmoawya 0:e4c5e6ec922e 27 /** \addtogroup drivers */
mohamedmoawya 0:e4c5e6ec922e 28
mohamedmoawya 0:e4c5e6ec922e 29 /** A multiple pin digital in/out used to set/read multiple bi-directional pins
mohamedmoawya 0:e4c5e6ec922e 30 *
mohamedmoawya 0:e4c5e6ec922e 31 * @note Synchronization level: Interrupt safe
mohamedmoawya 0:e4c5e6ec922e 32 * @ingroup drivers
mohamedmoawya 0:e4c5e6ec922e 33 */
mohamedmoawya 0:e4c5e6ec922e 34 class PortInOut {
mohamedmoawya 0:e4c5e6ec922e 35 public:
mohamedmoawya 0:e4c5e6ec922e 36
mohamedmoawya 0:e4c5e6ec922e 37 /** Create an PortInOut, connected to the specified port
mohamedmoawya 0:e4c5e6ec922e 38 *
mohamedmoawya 0:e4c5e6ec922e 39 * @param port Port to connect to (Port0-Port5)
mohamedmoawya 0:e4c5e6ec922e 40 * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
mohamedmoawya 0:e4c5e6ec922e 41 */
mohamedmoawya 0:e4c5e6ec922e 42 PortInOut(PortName port, int mask = 0xFFFFFFFF)
mohamedmoawya 0:e4c5e6ec922e 43 {
mohamedmoawya 0:e4c5e6ec922e 44 core_util_critical_section_enter();
mohamedmoawya 0:e4c5e6ec922e 45 port_init(&_port, port, mask, PIN_INPUT);
mohamedmoawya 0:e4c5e6ec922e 46 core_util_critical_section_exit();
mohamedmoawya 0:e4c5e6ec922e 47 }
mohamedmoawya 0:e4c5e6ec922e 48
mohamedmoawya 0:e4c5e6ec922e 49 /** Write the value to the output port
mohamedmoawya 0:e4c5e6ec922e 50 *
mohamedmoawya 0:e4c5e6ec922e 51 * @param value An integer specifying a bit to write for every corresponding port pin
mohamedmoawya 0:e4c5e6ec922e 52 */
mohamedmoawya 0:e4c5e6ec922e 53 void write(int value)
mohamedmoawya 0:e4c5e6ec922e 54 {
mohamedmoawya 0:e4c5e6ec922e 55 port_write(&_port, value);
mohamedmoawya 0:e4c5e6ec922e 56 }
mohamedmoawya 0:e4c5e6ec922e 57
mohamedmoawya 0:e4c5e6ec922e 58 /** Read the value currently output on the port
mohamedmoawya 0:e4c5e6ec922e 59 *
mohamedmoawya 0:e4c5e6ec922e 60 * @returns
mohamedmoawya 0:e4c5e6ec922e 61 * An integer with each bit corresponding to associated port pin setting
mohamedmoawya 0:e4c5e6ec922e 62 */
mohamedmoawya 0:e4c5e6ec922e 63 int read()
mohamedmoawya 0:e4c5e6ec922e 64 {
mohamedmoawya 0:e4c5e6ec922e 65 return port_read(&_port);
mohamedmoawya 0:e4c5e6ec922e 66 }
mohamedmoawya 0:e4c5e6ec922e 67
mohamedmoawya 0:e4c5e6ec922e 68 /** Set as an output
mohamedmoawya 0:e4c5e6ec922e 69 */
mohamedmoawya 0:e4c5e6ec922e 70 void output()
mohamedmoawya 0:e4c5e6ec922e 71 {
mohamedmoawya 0:e4c5e6ec922e 72 core_util_critical_section_enter();
mohamedmoawya 0:e4c5e6ec922e 73 port_dir(&_port, PIN_OUTPUT);
mohamedmoawya 0:e4c5e6ec922e 74 core_util_critical_section_exit();
mohamedmoawya 0:e4c5e6ec922e 75 }
mohamedmoawya 0:e4c5e6ec922e 76
mohamedmoawya 0:e4c5e6ec922e 77 /** Set as an input
mohamedmoawya 0:e4c5e6ec922e 78 */
mohamedmoawya 0:e4c5e6ec922e 79 void input()
mohamedmoawya 0:e4c5e6ec922e 80 {
mohamedmoawya 0:e4c5e6ec922e 81 core_util_critical_section_enter();
mohamedmoawya 0:e4c5e6ec922e 82 port_dir(&_port, PIN_INPUT);
mohamedmoawya 0:e4c5e6ec922e 83 core_util_critical_section_exit();
mohamedmoawya 0:e4c5e6ec922e 84 }
mohamedmoawya 0:e4c5e6ec922e 85
mohamedmoawya 0:e4c5e6ec922e 86 /** Set the input pin mode
mohamedmoawya 0:e4c5e6ec922e 87 *
mohamedmoawya 0:e4c5e6ec922e 88 * @param mode PullUp, PullDown, PullNone, OpenDrain
mohamedmoawya 0:e4c5e6ec922e 89 */
mohamedmoawya 0:e4c5e6ec922e 90 void mode(PinMode mode)
mohamedmoawya 0:e4c5e6ec922e 91 {
mohamedmoawya 0:e4c5e6ec922e 92 core_util_critical_section_enter();
mohamedmoawya 0:e4c5e6ec922e 93 port_mode(&_port, mode);
mohamedmoawya 0:e4c5e6ec922e 94 core_util_critical_section_exit();
mohamedmoawya 0:e4c5e6ec922e 95 }
mohamedmoawya 0:e4c5e6ec922e 96
mohamedmoawya 0:e4c5e6ec922e 97 /** A shorthand for write()
mohamedmoawya 0:e4c5e6ec922e 98 * \sa PortInOut::write()
mohamedmoawya 0:e4c5e6ec922e 99 */
mohamedmoawya 0:e4c5e6ec922e 100 PortInOut &operator= (int value)
mohamedmoawya 0:e4c5e6ec922e 101 {
mohamedmoawya 0:e4c5e6ec922e 102 write(value);
mohamedmoawya 0:e4c5e6ec922e 103 return *this;
mohamedmoawya 0:e4c5e6ec922e 104 }
mohamedmoawya 0:e4c5e6ec922e 105
mohamedmoawya 0:e4c5e6ec922e 106 /** A shorthand for write()
mohamedmoawya 0:e4c5e6ec922e 107 * \sa PortInOut::write()
mohamedmoawya 0:e4c5e6ec922e 108 */
mohamedmoawya 0:e4c5e6ec922e 109 PortInOut &operator= (PortInOut &rhs)
mohamedmoawya 0:e4c5e6ec922e 110 {
mohamedmoawya 0:e4c5e6ec922e 111 write(rhs.read());
mohamedmoawya 0:e4c5e6ec922e 112 return *this;
mohamedmoawya 0:e4c5e6ec922e 113 }
mohamedmoawya 0:e4c5e6ec922e 114
mohamedmoawya 0:e4c5e6ec922e 115 /** A shorthand for read()
mohamedmoawya 0:e4c5e6ec922e 116 * \sa PortInOut::read()
mohamedmoawya 0:e4c5e6ec922e 117 */
mohamedmoawya 0:e4c5e6ec922e 118 operator int()
mohamedmoawya 0:e4c5e6ec922e 119 {
mohamedmoawya 0:e4c5e6ec922e 120 return read();
mohamedmoawya 0:e4c5e6ec922e 121 }
mohamedmoawya 0:e4c5e6ec922e 122
mohamedmoawya 0:e4c5e6ec922e 123 private:
mohamedmoawya 0:e4c5e6ec922e 124 port_t _port;
mohamedmoawya 0:e4c5e6ec922e 125 };
mohamedmoawya 0:e4c5e6ec922e 126
mohamedmoawya 0:e4c5e6ec922e 127 } // namespace mbed
mohamedmoawya 0:e4c5e6ec922e 128
mohamedmoawya 0:e4c5e6ec922e 129 #endif
mohamedmoawya 0:e4c5e6ec922e 130
mohamedmoawya 0:e4c5e6ec922e 131 #endif