Opencv 3.1 project on GR-PEACH board
Fork of gr-peach-opencv-project by
drivers/PortInOut.h@170:54ff26da7eb6, 2017-07-04 (annotated)
- Committer:
- thedo
- Date:
- Tue Jul 04 06:23:13 2017 +0000
- Revision:
- 170:54ff26da7eb6
- Parent:
- 167:1657b442184c
project opencv 3.1 on GR PEACH board, no use SD card.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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thedo | 167:1657b442184c | 1 | /* mbed Microcontroller Library |
thedo | 167:1657b442184c | 2 | * Copyright (c) 2006-2013 ARM Limited |
thedo | 167:1657b442184c | 3 | * |
thedo | 167:1657b442184c | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
thedo | 167:1657b442184c | 5 | * you may not use this file except in compliance with the License. |
thedo | 167:1657b442184c | 6 | * You may obtain a copy of the License at |
thedo | 167:1657b442184c | 7 | * |
thedo | 167:1657b442184c | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
thedo | 167:1657b442184c | 9 | * |
thedo | 167:1657b442184c | 10 | * Unless required by applicable law or agreed to in writing, software |
thedo | 167:1657b442184c | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
thedo | 167:1657b442184c | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
thedo | 167:1657b442184c | 13 | * See the License for the specific language governing permissions and |
thedo | 167:1657b442184c | 14 | * limitations under the License. |
thedo | 167:1657b442184c | 15 | */ |
thedo | 167:1657b442184c | 16 | #ifndef MBED_PORTINOUT_H |
thedo | 167:1657b442184c | 17 | #define MBED_PORTINOUT_H |
thedo | 167:1657b442184c | 18 | |
thedo | 167:1657b442184c | 19 | #include "platform/platform.h" |
thedo | 167:1657b442184c | 20 | |
thedo | 167:1657b442184c | 21 | #if defined (DEVICE_PORTINOUT) || defined(DOXYGEN_ONLY) |
thedo | 167:1657b442184c | 22 | |
thedo | 167:1657b442184c | 23 | #include "hal/port_api.h" |
thedo | 167:1657b442184c | 24 | #include "platform/mbed_critical.h" |
thedo | 167:1657b442184c | 25 | |
thedo | 167:1657b442184c | 26 | namespace mbed { |
thedo | 167:1657b442184c | 27 | /** \addtogroup drivers */ |
thedo | 167:1657b442184c | 28 | |
thedo | 167:1657b442184c | 29 | /** A multiple pin digital in/out used to set/read multiple bi-directional pins |
thedo | 167:1657b442184c | 30 | * |
thedo | 167:1657b442184c | 31 | * @note Synchronization level: Interrupt safe |
thedo | 167:1657b442184c | 32 | * @ingroup drivers |
thedo | 167:1657b442184c | 33 | */ |
thedo | 167:1657b442184c | 34 | class PortInOut { |
thedo | 167:1657b442184c | 35 | public: |
thedo | 167:1657b442184c | 36 | |
thedo | 167:1657b442184c | 37 | /** Create an PortInOut, connected to the specified port |
thedo | 167:1657b442184c | 38 | * |
thedo | 167:1657b442184c | 39 | * @param port Port to connect to (Port0-Port5) |
thedo | 167:1657b442184c | 40 | * @param mask A bitmask to identify which bits in the port should be included (0 - ignore) |
thedo | 167:1657b442184c | 41 | */ |
thedo | 167:1657b442184c | 42 | PortInOut(PortName port, int mask = 0xFFFFFFFF) { |
thedo | 167:1657b442184c | 43 | core_util_critical_section_enter(); |
thedo | 167:1657b442184c | 44 | port_init(&_port, port, mask, PIN_INPUT); |
thedo | 167:1657b442184c | 45 | core_util_critical_section_exit(); |
thedo | 167:1657b442184c | 46 | } |
thedo | 167:1657b442184c | 47 | |
thedo | 167:1657b442184c | 48 | /** Write the value to the output port |
thedo | 167:1657b442184c | 49 | * |
thedo | 167:1657b442184c | 50 | * @param value An integer specifying a bit to write for every corresponding port pin |
thedo | 167:1657b442184c | 51 | */ |
thedo | 167:1657b442184c | 52 | void write(int value) { |
thedo | 167:1657b442184c | 53 | port_write(&_port, value); |
thedo | 167:1657b442184c | 54 | } |
thedo | 167:1657b442184c | 55 | |
thedo | 167:1657b442184c | 56 | /** Read the value currently output on the port |
thedo | 167:1657b442184c | 57 | * |
thedo | 167:1657b442184c | 58 | * @returns |
thedo | 167:1657b442184c | 59 | * An integer with each bit corresponding to associated port pin setting |
thedo | 167:1657b442184c | 60 | */ |
thedo | 167:1657b442184c | 61 | int read() { |
thedo | 167:1657b442184c | 62 | return port_read(&_port); |
thedo | 167:1657b442184c | 63 | } |
thedo | 167:1657b442184c | 64 | |
thedo | 167:1657b442184c | 65 | /** Set as an output |
thedo | 167:1657b442184c | 66 | */ |
thedo | 167:1657b442184c | 67 | void output() { |
thedo | 167:1657b442184c | 68 | core_util_critical_section_enter(); |
thedo | 167:1657b442184c | 69 | port_dir(&_port, PIN_OUTPUT); |
thedo | 167:1657b442184c | 70 | core_util_critical_section_exit(); |
thedo | 167:1657b442184c | 71 | } |
thedo | 167:1657b442184c | 72 | |
thedo | 167:1657b442184c | 73 | /** Set as an input |
thedo | 167:1657b442184c | 74 | */ |
thedo | 167:1657b442184c | 75 | void input() { |
thedo | 167:1657b442184c | 76 | core_util_critical_section_enter(); |
thedo | 167:1657b442184c | 77 | port_dir(&_port, PIN_INPUT); |
thedo | 167:1657b442184c | 78 | core_util_critical_section_exit(); |
thedo | 167:1657b442184c | 79 | } |
thedo | 167:1657b442184c | 80 | |
thedo | 167:1657b442184c | 81 | /** Set the input pin mode |
thedo | 167:1657b442184c | 82 | * |
thedo | 167:1657b442184c | 83 | * @param mode PullUp, PullDown, PullNone, OpenDrain |
thedo | 167:1657b442184c | 84 | */ |
thedo | 167:1657b442184c | 85 | void mode(PinMode mode) { |
thedo | 167:1657b442184c | 86 | core_util_critical_section_enter(); |
thedo | 167:1657b442184c | 87 | port_mode(&_port, mode); |
thedo | 167:1657b442184c | 88 | core_util_critical_section_exit(); |
thedo | 167:1657b442184c | 89 | } |
thedo | 167:1657b442184c | 90 | |
thedo | 167:1657b442184c | 91 | /** A shorthand for write() |
thedo | 167:1657b442184c | 92 | */ |
thedo | 167:1657b442184c | 93 | PortInOut& operator= (int value) { |
thedo | 167:1657b442184c | 94 | write(value); |
thedo | 167:1657b442184c | 95 | return *this; |
thedo | 167:1657b442184c | 96 | } |
thedo | 167:1657b442184c | 97 | |
thedo | 167:1657b442184c | 98 | PortInOut& operator= (PortInOut& rhs) { |
thedo | 167:1657b442184c | 99 | write(rhs.read()); |
thedo | 167:1657b442184c | 100 | return *this; |
thedo | 167:1657b442184c | 101 | } |
thedo | 167:1657b442184c | 102 | |
thedo | 167:1657b442184c | 103 | /** A shorthand for read() |
thedo | 167:1657b442184c | 104 | */ |
thedo | 167:1657b442184c | 105 | operator int() { |
thedo | 167:1657b442184c | 106 | return read(); |
thedo | 167:1657b442184c | 107 | } |
thedo | 167:1657b442184c | 108 | |
thedo | 167:1657b442184c | 109 | private: |
thedo | 167:1657b442184c | 110 | port_t _port; |
thedo | 167:1657b442184c | 111 | }; |
thedo | 167:1657b442184c | 112 | |
thedo | 167:1657b442184c | 113 | } // namespace mbed |
thedo | 167:1657b442184c | 114 | |
thedo | 167:1657b442184c | 115 | #endif |
thedo | 167:1657b442184c | 116 | |
thedo | 167:1657b442184c | 117 | #endif |
thedo | 167:1657b442184c | 118 |