takashi kadono / Mbed OS Nucleo_446

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/drivers/BusOut.h@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /* mbed Microcontroller Library
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2006-2013 ARM Limited
kadonotakashi 0:8fdf9a60065b 3 *
kadonotakashi 0:8fdf9a60065b 4 * Licensed under the Apache License, Version 2.0 (the "License");
kadonotakashi 0:8fdf9a60065b 5 * you may not use this file except in compliance with the License.
kadonotakashi 0:8fdf9a60065b 6 * You may obtain a copy of the License at
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * http://www.apache.org/licenses/LICENSE-2.0
kadonotakashi 0:8fdf9a60065b 9 *
kadonotakashi 0:8fdf9a60065b 10 * Unless required by applicable law or agreed to in writing, software
kadonotakashi 0:8fdf9a60065b 11 * distributed under the License is distributed on an "AS IS" BASIS,
kadonotakashi 0:8fdf9a60065b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kadonotakashi 0:8fdf9a60065b 13 * See the License for the specific language governing permissions and
kadonotakashi 0:8fdf9a60065b 14 * limitations under the License.
kadonotakashi 0:8fdf9a60065b 15 */
kadonotakashi 0:8fdf9a60065b 16 #ifndef MBED_BUSOUT_H
kadonotakashi 0:8fdf9a60065b 17 #define MBED_BUSOUT_H
kadonotakashi 0:8fdf9a60065b 18
kadonotakashi 0:8fdf9a60065b 19 #include "drivers/DigitalOut.h"
kadonotakashi 0:8fdf9a60065b 20 #include "platform/PlatformMutex.h"
kadonotakashi 0:8fdf9a60065b 21 #include "platform/NonCopyable.h"
kadonotakashi 0:8fdf9a60065b 22
kadonotakashi 0:8fdf9a60065b 23 namespace mbed {
kadonotakashi 0:8fdf9a60065b 24 /** \addtogroup drivers */
kadonotakashi 0:8fdf9a60065b 25
kadonotakashi 0:8fdf9a60065b 26 /** A digital output bus, used for setting the state of a collection of pins
kadonotakashi 0:8fdf9a60065b 27 * @ingroup drivers
kadonotakashi 0:8fdf9a60065b 28 */
kadonotakashi 0:8fdf9a60065b 29 class BusOut : private NonCopyable<BusOut> {
kadonotakashi 0:8fdf9a60065b 30
kadonotakashi 0:8fdf9a60065b 31 public:
kadonotakashi 0:8fdf9a60065b 32
kadonotakashi 0:8fdf9a60065b 33 /** Create an BusOut, connected to the specified pins
kadonotakashi 0:8fdf9a60065b 34 *
kadonotakashi 0:8fdf9a60065b 35 * @param p0 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 36 * @param p1 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 37 * @param p2 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 38 * @param p3 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 39 * @param p4 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 40 * @param p5 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 41 * @param p6 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 42 * @param p7 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 43 * @param p8 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 44 * @param p9 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 45 * @param p10 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 46 * @param p11 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 47 * @param p12 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 48 * @param p13 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 49 * @param p14 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 50 * @param p15 DigitalOut pin to connect to bus bit
kadonotakashi 0:8fdf9a60065b 51 *
kadonotakashi 0:8fdf9a60065b 52 * @note Synchronization level: Thread safe
kadonotakashi 0:8fdf9a60065b 53 *
kadonotakashi 0:8fdf9a60065b 54 * @note
kadonotakashi 0:8fdf9a60065b 55 * It is only required to specify as many pin variables as is required
kadonotakashi 0:8fdf9a60065b 56 * for the bus; the rest will default to NC (not connected)
kadonotakashi 0:8fdf9a60065b 57 */
kadonotakashi 0:8fdf9a60065b 58 BusOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
kadonotakashi 0:8fdf9a60065b 59 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
kadonotakashi 0:8fdf9a60065b 60 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
kadonotakashi 0:8fdf9a60065b 61 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
kadonotakashi 0:8fdf9a60065b 62
kadonotakashi 0:8fdf9a60065b 63 /** Create an BusOut, connected to the specified pins
kadonotakashi 0:8fdf9a60065b 64 *
kadonotakashi 0:8fdf9a60065b 65 * @param pins An array of pins to connect to bus the bit
kadonotakashi 0:8fdf9a60065b 66 */
kadonotakashi 0:8fdf9a60065b 67 BusOut(PinName pins[16]);
kadonotakashi 0:8fdf9a60065b 68
kadonotakashi 0:8fdf9a60065b 69 virtual ~BusOut();
kadonotakashi 0:8fdf9a60065b 70
kadonotakashi 0:8fdf9a60065b 71 /** Write the value to the output bus
kadonotakashi 0:8fdf9a60065b 72 *
kadonotakashi 0:8fdf9a60065b 73 * @param value An integer specifying a bit to write for every corresponding DigitalOut pin
kadonotakashi 0:8fdf9a60065b 74 */
kadonotakashi 0:8fdf9a60065b 75 void write(int value);
kadonotakashi 0:8fdf9a60065b 76
kadonotakashi 0:8fdf9a60065b 77 /** Read the value currently output on the bus
kadonotakashi 0:8fdf9a60065b 78 *
kadonotakashi 0:8fdf9a60065b 79 * @returns
kadonotakashi 0:8fdf9a60065b 80 * An integer with each bit corresponding to associated DigitalOut pin setting
kadonotakashi 0:8fdf9a60065b 81 */
kadonotakashi 0:8fdf9a60065b 82 int read();
kadonotakashi 0:8fdf9a60065b 83
kadonotakashi 0:8fdf9a60065b 84 /** Binary mask of bus pins connected to actual pins (not NC pins)
kadonotakashi 0:8fdf9a60065b 85 * If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1
kadonotakashi 0:8fdf9a60065b 86 *
kadonotakashi 0:8fdf9a60065b 87 * @returns
kadonotakashi 0:8fdf9a60065b 88 * Binary mask of connected pins
kadonotakashi 0:8fdf9a60065b 89 */
kadonotakashi 0:8fdf9a60065b 90 int mask()
kadonotakashi 0:8fdf9a60065b 91 {
kadonotakashi 0:8fdf9a60065b 92 // No lock needed since _nc_mask is not modified outside the constructor
kadonotakashi 0:8fdf9a60065b 93 return _nc_mask;
kadonotakashi 0:8fdf9a60065b 94 }
kadonotakashi 0:8fdf9a60065b 95
kadonotakashi 0:8fdf9a60065b 96 /** A shorthand for write()
kadonotakashi 0:8fdf9a60065b 97 * \sa BusOut::write()
kadonotakashi 0:8fdf9a60065b 98 */
kadonotakashi 0:8fdf9a60065b 99 BusOut &operator= (int v);
kadonotakashi 0:8fdf9a60065b 100 BusOut &operator= (BusOut &rhs);
kadonotakashi 0:8fdf9a60065b 101
kadonotakashi 0:8fdf9a60065b 102 /** Access to particular bit in random-iterator fashion
kadonotakashi 0:8fdf9a60065b 103 * @param index Bit Position
kadonotakashi 0:8fdf9a60065b 104 */
kadonotakashi 0:8fdf9a60065b 105 DigitalOut &operator[](int index);
kadonotakashi 0:8fdf9a60065b 106
kadonotakashi 0:8fdf9a60065b 107 /** A shorthand for read()
kadonotakashi 0:8fdf9a60065b 108 * \sa BusOut::read()
kadonotakashi 0:8fdf9a60065b 109 */
kadonotakashi 0:8fdf9a60065b 110 operator int();
kadonotakashi 0:8fdf9a60065b 111
kadonotakashi 0:8fdf9a60065b 112 protected:
kadonotakashi 0:8fdf9a60065b 113 virtual void lock();
kadonotakashi 0:8fdf9a60065b 114 virtual void unlock();
kadonotakashi 0:8fdf9a60065b 115 DigitalOut *_pin[16];
kadonotakashi 0:8fdf9a60065b 116
kadonotakashi 0:8fdf9a60065b 117 /* Mask of bus's NC pins
kadonotakashi 0:8fdf9a60065b 118 * If bit[n] is set to 1 - pin is connected
kadonotakashi 0:8fdf9a60065b 119 * if bit[n] is cleared - pin is not connected (NC)
kadonotakashi 0:8fdf9a60065b 120 */
kadonotakashi 0:8fdf9a60065b 121 int _nc_mask;
kadonotakashi 0:8fdf9a60065b 122
kadonotakashi 0:8fdf9a60065b 123 PlatformMutex _mutex;
kadonotakashi 0:8fdf9a60065b 124 };
kadonotakashi 0:8fdf9a60065b 125
kadonotakashi 0:8fdf9a60065b 126 } // namespace mbed
kadonotakashi 0:8fdf9a60065b 127
kadonotakashi 0:8fdf9a60065b 128 #endif