the do / gr-peach-opencv-project

Opencv 3.1 project on GR-PEACH board

Fork of gr-peach-opencv-project by the do

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?

UserRevisionLine numberNew contents of line
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