Mladen Adamovic / Spectrogram

Final version.

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

Fork of F746_Spectrogram by 不韋 呂

mbed_src_STM32F7/api/BusInOut.h@4:c1beacfc42c7, 2016-10-02 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 02 10:51:10 2016 +0000
Revision:
4:c1beacfc42c7
5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #ifndef MBED_BUSINOUT_H
MikamiUitOpen 4:c1beacfc42c7 17 #define MBED_BUSINOUT_H
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #include "DigitalInOut.h"
MikamiUitOpen 4:c1beacfc42c7 20
MikamiUitOpen 4:c1beacfc42c7 21 namespace mbed {
MikamiUitOpen 4:c1beacfc42c7 22
MikamiUitOpen 4:c1beacfc42c7 23 /** A digital input output bus, used for setting the state of a collection of pins
MikamiUitOpen 4:c1beacfc42c7 24 */
MikamiUitOpen 4:c1beacfc42c7 25 class BusInOut {
MikamiUitOpen 4:c1beacfc42c7 26
MikamiUitOpen 4:c1beacfc42c7 27 public:
MikamiUitOpen 4:c1beacfc42c7 28
MikamiUitOpen 4:c1beacfc42c7 29 /** Create an BusInOut, connected to the specified pins
MikamiUitOpen 4:c1beacfc42c7 30 *
MikamiUitOpen 4:c1beacfc42c7 31 * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
MikamiUitOpen 4:c1beacfc42c7 32 *
MikamiUitOpen 4:c1beacfc42c7 33 * @note
MikamiUitOpen 4:c1beacfc42c7 34 * It is only required to specify as many pin variables as is required
MikamiUitOpen 4:c1beacfc42c7 35 * for the bus; the rest will default to NC (not connected)
MikamiUitOpen 4:c1beacfc42c7 36 */
MikamiUitOpen 4:c1beacfc42c7 37 BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
MikamiUitOpen 4:c1beacfc42c7 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
MikamiUitOpen 4:c1beacfc42c7 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
MikamiUitOpen 4:c1beacfc42c7 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
MikamiUitOpen 4:c1beacfc42c7 41
MikamiUitOpen 4:c1beacfc42c7 42 BusInOut(PinName pins[16]);
MikamiUitOpen 4:c1beacfc42c7 43
MikamiUitOpen 4:c1beacfc42c7 44 virtual ~BusInOut();
MikamiUitOpen 4:c1beacfc42c7 45
MikamiUitOpen 4:c1beacfc42c7 46 /* Group: Access Methods */
MikamiUitOpen 4:c1beacfc42c7 47
MikamiUitOpen 4:c1beacfc42c7 48 /** Write the value to the output bus
MikamiUitOpen 4:c1beacfc42c7 49 *
MikamiUitOpen 4:c1beacfc42c7 50 * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin
MikamiUitOpen 4:c1beacfc42c7 51 */
MikamiUitOpen 4:c1beacfc42c7 52 void write(int value);
MikamiUitOpen 4:c1beacfc42c7 53
MikamiUitOpen 4:c1beacfc42c7 54 /** Read the value currently output on the bus
MikamiUitOpen 4:c1beacfc42c7 55 *
MikamiUitOpen 4:c1beacfc42c7 56 * @returns
MikamiUitOpen 4:c1beacfc42c7 57 * An integer with each bit corresponding to associated DigitalInOut pin setting
MikamiUitOpen 4:c1beacfc42c7 58 */
MikamiUitOpen 4:c1beacfc42c7 59 int read();
MikamiUitOpen 4:c1beacfc42c7 60
MikamiUitOpen 4:c1beacfc42c7 61 /** Set as an output
MikamiUitOpen 4:c1beacfc42c7 62 */
MikamiUitOpen 4:c1beacfc42c7 63 void output();
MikamiUitOpen 4:c1beacfc42c7 64
MikamiUitOpen 4:c1beacfc42c7 65 /** Set as an input
MikamiUitOpen 4:c1beacfc42c7 66 */
MikamiUitOpen 4:c1beacfc42c7 67 void input();
MikamiUitOpen 4:c1beacfc42c7 68
MikamiUitOpen 4:c1beacfc42c7 69 /** Set the input pin mode
MikamiUitOpen 4:c1beacfc42c7 70 *
MikamiUitOpen 4:c1beacfc42c7 71 * @param mode PullUp, PullDown, PullNone
MikamiUitOpen 4:c1beacfc42c7 72 */
MikamiUitOpen 4:c1beacfc42c7 73 void mode(PinMode pull);
MikamiUitOpen 4:c1beacfc42c7 74
MikamiUitOpen 4:c1beacfc42c7 75 /** Binary mask of bus pins connected to actual pins (not NC pins)
MikamiUitOpen 4:c1beacfc42c7 76 * If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1
MikamiUitOpen 4:c1beacfc42c7 77 *
MikamiUitOpen 4:c1beacfc42c7 78 * @returns
MikamiUitOpen 4:c1beacfc42c7 79 * Binary mask of connected pins
MikamiUitOpen 4:c1beacfc42c7 80 */
MikamiUitOpen 4:c1beacfc42c7 81 int mask() {
MikamiUitOpen 4:c1beacfc42c7 82 return _nc_mask;
MikamiUitOpen 4:c1beacfc42c7 83 }
MikamiUitOpen 4:c1beacfc42c7 84
MikamiUitOpen 4:c1beacfc42c7 85 #ifdef MBED_OPERATORS
MikamiUitOpen 4:c1beacfc42c7 86 /** A shorthand for write()
MikamiUitOpen 4:c1beacfc42c7 87 */
MikamiUitOpen 4:c1beacfc42c7 88 BusInOut& operator= (int v);
MikamiUitOpen 4:c1beacfc42c7 89 BusInOut& operator= (BusInOut& rhs);
MikamiUitOpen 4:c1beacfc42c7 90
MikamiUitOpen 4:c1beacfc42c7 91 /** Access to particular bit in random-iterator fashion
MikamiUitOpen 4:c1beacfc42c7 92 */
MikamiUitOpen 4:c1beacfc42c7 93 DigitalInOut& operator[] (int index);
MikamiUitOpen 4:c1beacfc42c7 94
MikamiUitOpen 4:c1beacfc42c7 95 /** A shorthand for read()
MikamiUitOpen 4:c1beacfc42c7 96 */
MikamiUitOpen 4:c1beacfc42c7 97 operator int();
MikamiUitOpen 4:c1beacfc42c7 98 #endif
MikamiUitOpen 4:c1beacfc42c7 99
MikamiUitOpen 4:c1beacfc42c7 100 protected:
MikamiUitOpen 4:c1beacfc42c7 101 DigitalInOut* _pin[16];
MikamiUitOpen 4:c1beacfc42c7 102
MikamiUitOpen 4:c1beacfc42c7 103 /** Mask of bus's NC pins
MikamiUitOpen 4:c1beacfc42c7 104 * If bit[n] is set to 1 - pin is connected
MikamiUitOpen 4:c1beacfc42c7 105 * if bit[n] is cleared - pin is not connected (NC)
MikamiUitOpen 4:c1beacfc42c7 106 */
MikamiUitOpen 4:c1beacfc42c7 107 int _nc_mask;
MikamiUitOpen 4:c1beacfc42c7 108
MikamiUitOpen 4:c1beacfc42c7 109 /* disallow copy constructor and assignment operators */
MikamiUitOpen 4:c1beacfc42c7 110 private:
MikamiUitOpen 4:c1beacfc42c7 111 BusInOut(const BusInOut&);
MikamiUitOpen 4:c1beacfc42c7 112 BusInOut & operator = (const BusInOut&);
MikamiUitOpen 4:c1beacfc42c7 113 };
MikamiUitOpen 4:c1beacfc42c7 114
MikamiUitOpen 4:c1beacfc42c7 115 } // namespace mbed
MikamiUitOpen 4:c1beacfc42c7 116
MikamiUitOpen 4:c1beacfc42c7 117 #endif