mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
drivers/PortInOut.h@187:0387e8f68319, 2018-09-06 (annotated)
- Committer:
- AnnaBridge
- Date:
- Thu Sep 06 13:40:20 2018 +0100
- Revision:
- 187:0387e8f68319
- Parent:
- 167:e84263d55307
- Child:
- 189:f392fc9709a3
mbed-dev library. Release version 163
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 149:156823d33999 | 1 | /* mbed Microcontroller Library |
<> | 149:156823d33999 | 2 | * Copyright (c) 2006-2013 ARM Limited |
<> | 149:156823d33999 | 3 | * |
<> | 149:156823d33999 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
<> | 149:156823d33999 | 5 | * you may not use this file except in compliance with the License. |
<> | 149:156823d33999 | 6 | * You may obtain a copy of the License at |
<> | 149:156823d33999 | 7 | * |
<> | 149:156823d33999 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
<> | 149:156823d33999 | 9 | * |
<> | 149:156823d33999 | 10 | * Unless required by applicable law or agreed to in writing, software |
<> | 149:156823d33999 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
<> | 149:156823d33999 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
<> | 149:156823d33999 | 13 | * See the License for the specific language governing permissions and |
<> | 149:156823d33999 | 14 | * limitations under the License. |
<> | 149:156823d33999 | 15 | */ |
<> | 149:156823d33999 | 16 | #ifndef MBED_PORTINOUT_H |
<> | 149:156823d33999 | 17 | #define MBED_PORTINOUT_H |
<> | 149:156823d33999 | 18 | |
<> | 149:156823d33999 | 19 | #include "platform/platform.h" |
<> | 149:156823d33999 | 20 | |
AnnaBridge | 167:e84263d55307 | 21 | #if defined (DEVICE_PORTINOUT) || defined(DOXYGEN_ONLY) |
<> | 149:156823d33999 | 22 | |
<> | 149:156823d33999 | 23 | #include "hal/port_api.h" |
<> | 160:d5399cc887bb | 24 | #include "platform/mbed_critical.h" |
<> | 149:156823d33999 | 25 | |
<> | 149:156823d33999 | 26 | namespace mbed { |
<> | 149:156823d33999 | 27 | /** \addtogroup drivers */ |
<> | 149:156823d33999 | 28 | |
<> | 149:156823d33999 | 29 | /** A multiple pin digital in/out used to set/read multiple bi-directional pins |
<> | 149:156823d33999 | 30 | * |
AnnaBridge | 167:e84263d55307 | 31 | * @note Synchronization level: Interrupt safe |
AnnaBridge | 167:e84263d55307 | 32 | * @ingroup drivers |
<> | 149:156823d33999 | 33 | */ |
<> | 149:156823d33999 | 34 | class PortInOut { |
<> | 149:156823d33999 | 35 | public: |
<> | 149:156823d33999 | 36 | |
<> | 149:156823d33999 | 37 | /** Create an PortInOut, connected to the specified port |
<> | 149:156823d33999 | 38 | * |
<> | 149:156823d33999 | 39 | * @param port Port to connect to (Port0-Port5) |
<> | 149:156823d33999 | 40 | * @param mask A bitmask to identify which bits in the port should be included (0 - ignore) |
<> | 149:156823d33999 | 41 | */ |
AnnaBridge | 187:0387e8f68319 | 42 | PortInOut(PortName port, int mask = 0xFFFFFFFF) |
AnnaBridge | 187:0387e8f68319 | 43 | { |
<> | 149:156823d33999 | 44 | core_util_critical_section_enter(); |
<> | 149:156823d33999 | 45 | port_init(&_port, port, mask, PIN_INPUT); |
<> | 149:156823d33999 | 46 | core_util_critical_section_exit(); |
<> | 149:156823d33999 | 47 | } |
<> | 149:156823d33999 | 48 | |
<> | 149:156823d33999 | 49 | /** Write the value to the output port |
<> | 149:156823d33999 | 50 | * |
<> | 149:156823d33999 | 51 | * @param value An integer specifying a bit to write for every corresponding port pin |
<> | 149:156823d33999 | 52 | */ |
AnnaBridge | 187:0387e8f68319 | 53 | void write(int value) |
AnnaBridge | 187:0387e8f68319 | 54 | { |
<> | 149:156823d33999 | 55 | port_write(&_port, value); |
<> | 149:156823d33999 | 56 | } |
<> | 149:156823d33999 | 57 | |
<> | 149:156823d33999 | 58 | /** Read the value currently output on the port |
<> | 149:156823d33999 | 59 | * |
<> | 149:156823d33999 | 60 | * @returns |
<> | 149:156823d33999 | 61 | * An integer with each bit corresponding to associated port pin setting |
<> | 149:156823d33999 | 62 | */ |
AnnaBridge | 187:0387e8f68319 | 63 | int read() |
AnnaBridge | 187:0387e8f68319 | 64 | { |
<> | 149:156823d33999 | 65 | return port_read(&_port); |
<> | 149:156823d33999 | 66 | } |
<> | 149:156823d33999 | 67 | |
<> | 149:156823d33999 | 68 | /** Set as an output |
<> | 149:156823d33999 | 69 | */ |
AnnaBridge | 187:0387e8f68319 | 70 | void output() |
AnnaBridge | 187:0387e8f68319 | 71 | { |
<> | 149:156823d33999 | 72 | core_util_critical_section_enter(); |
<> | 149:156823d33999 | 73 | port_dir(&_port, PIN_OUTPUT); |
<> | 149:156823d33999 | 74 | core_util_critical_section_exit(); |
<> | 149:156823d33999 | 75 | } |
<> | 149:156823d33999 | 76 | |
<> | 149:156823d33999 | 77 | /** Set as an input |
<> | 149:156823d33999 | 78 | */ |
AnnaBridge | 187:0387e8f68319 | 79 | void input() |
AnnaBridge | 187:0387e8f68319 | 80 | { |
<> | 149:156823d33999 | 81 | core_util_critical_section_enter(); |
<> | 149:156823d33999 | 82 | port_dir(&_port, PIN_INPUT); |
<> | 149:156823d33999 | 83 | core_util_critical_section_exit(); |
<> | 149:156823d33999 | 84 | } |
<> | 149:156823d33999 | 85 | |
<> | 149:156823d33999 | 86 | /** Set the input pin mode |
<> | 149:156823d33999 | 87 | * |
<> | 149:156823d33999 | 88 | * @param mode PullUp, PullDown, PullNone, OpenDrain |
<> | 149:156823d33999 | 89 | */ |
AnnaBridge | 187:0387e8f68319 | 90 | void mode(PinMode mode) |
AnnaBridge | 187:0387e8f68319 | 91 | { |
<> | 149:156823d33999 | 92 | core_util_critical_section_enter(); |
<> | 149:156823d33999 | 93 | port_mode(&_port, mode); |
<> | 149:156823d33999 | 94 | core_util_critical_section_exit(); |
<> | 149:156823d33999 | 95 | } |
<> | 149:156823d33999 | 96 | |
<> | 149:156823d33999 | 97 | /** A shorthand for write() |
AnnaBridge | 167:e84263d55307 | 98 | * \sa PortInOut::write() |
<> | 149:156823d33999 | 99 | */ |
AnnaBridge | 187:0387e8f68319 | 100 | PortInOut &operator= (int value) |
AnnaBridge | 187:0387e8f68319 | 101 | { |
<> | 149:156823d33999 | 102 | write(value); |
<> | 149:156823d33999 | 103 | return *this; |
<> | 149:156823d33999 | 104 | } |
<> | 149:156823d33999 | 105 | |
AnnaBridge | 167:e84263d55307 | 106 | /** A shorthand for write() |
AnnaBridge | 167:e84263d55307 | 107 | * \sa PortInOut::write() |
AnnaBridge | 167:e84263d55307 | 108 | */ |
AnnaBridge | 187:0387e8f68319 | 109 | PortInOut &operator= (PortInOut &rhs) |
AnnaBridge | 187:0387e8f68319 | 110 | { |
<> | 149:156823d33999 | 111 | write(rhs.read()); |
<> | 149:156823d33999 | 112 | return *this; |
<> | 149:156823d33999 | 113 | } |
<> | 149:156823d33999 | 114 | |
<> | 149:156823d33999 | 115 | /** A shorthand for read() |
AnnaBridge | 167:e84263d55307 | 116 | * \sa PortInOut::read() |
<> | 149:156823d33999 | 117 | */ |
AnnaBridge | 187:0387e8f68319 | 118 | operator int() |
AnnaBridge | 187:0387e8f68319 | 119 | { |
<> | 149:156823d33999 | 120 | return read(); |
<> | 149:156823d33999 | 121 | } |
<> | 149:156823d33999 | 122 | |
<> | 149:156823d33999 | 123 | private: |
<> | 149:156823d33999 | 124 | port_t _port; |
<> | 149:156823d33999 | 125 | }; |
<> | 149:156823d33999 | 126 | |
<> | 149:156823d33999 | 127 | } // namespace mbed |
<> | 149:156823d33999 | 128 | |
<> | 149:156823d33999 | 129 | #endif |
<> | 149:156823d33999 | 130 | |
<> | 149:156823d33999 | 131 | #endif |