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/BusOut.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_BUSOUT_H
MikamiUitOpen 4:c1beacfc42c7 17 #define MBED_BUSOUT_H
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #include "DigitalOut.h"
MikamiUitOpen 4:c1beacfc42c7 20
MikamiUitOpen 4:c1beacfc42c7 21 namespace mbed {
MikamiUitOpen 4:c1beacfc42c7 22
MikamiUitOpen 4:c1beacfc42c7 23 /** A digital output bus, used for setting the state of a collection of pins
MikamiUitOpen 4:c1beacfc42c7 24 */
MikamiUitOpen 4:c1beacfc42c7 25 class BusOut {
MikamiUitOpen 4:c1beacfc42c7 26
MikamiUitOpen 4:c1beacfc42c7 27 public:
MikamiUitOpen 4:c1beacfc42c7 28
MikamiUitOpen 4:c1beacfc42c7 29 /** Create an BusOut, connected to the specified pins
MikamiUitOpen 4:c1beacfc42c7 30 *
MikamiUitOpen 4:c1beacfc42c7 31 * @param p<n> DigitalOut pin to connect to bus bit <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 BusOut(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 BusOut(PinName pins[16]);
MikamiUitOpen 4:c1beacfc42c7 43
MikamiUitOpen 4:c1beacfc42c7 44 virtual ~BusOut();
MikamiUitOpen 4:c1beacfc42c7 45
MikamiUitOpen 4:c1beacfc42c7 46 /** Write the value to the output bus
MikamiUitOpen 4:c1beacfc42c7 47 *
MikamiUitOpen 4:c1beacfc42c7 48 * @param value An integer specifying a bit to write for every corresponding DigitalOut pin
MikamiUitOpen 4:c1beacfc42c7 49 */
MikamiUitOpen 4:c1beacfc42c7 50 void write(int value);
MikamiUitOpen 4:c1beacfc42c7 51
MikamiUitOpen 4:c1beacfc42c7 52 /** Read the value currently output on the bus
MikamiUitOpen 4:c1beacfc42c7 53 *
MikamiUitOpen 4:c1beacfc42c7 54 * @returns
MikamiUitOpen 4:c1beacfc42c7 55 * An integer with each bit corresponding to associated DigitalOut pin setting
MikamiUitOpen 4:c1beacfc42c7 56 */
MikamiUitOpen 4:c1beacfc42c7 57 int read();
MikamiUitOpen 4:c1beacfc42c7 58
MikamiUitOpen 4:c1beacfc42c7 59 /** Binary mask of bus pins connected to actual pins (not NC pins)
MikamiUitOpen 4:c1beacfc42c7 60 * 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 61 *
MikamiUitOpen 4:c1beacfc42c7 62 * @returns
MikamiUitOpen 4:c1beacfc42c7 63 * Binary mask of connected pins
MikamiUitOpen 4:c1beacfc42c7 64 */
MikamiUitOpen 4:c1beacfc42c7 65 int mask() {
MikamiUitOpen 4:c1beacfc42c7 66 return _nc_mask;
MikamiUitOpen 4:c1beacfc42c7 67 }
MikamiUitOpen 4:c1beacfc42c7 68
MikamiUitOpen 4:c1beacfc42c7 69 #ifdef MBED_OPERATORS
MikamiUitOpen 4:c1beacfc42c7 70 /** A shorthand for write()
MikamiUitOpen 4:c1beacfc42c7 71 */
MikamiUitOpen 4:c1beacfc42c7 72 BusOut& operator= (int v);
MikamiUitOpen 4:c1beacfc42c7 73 BusOut& operator= (BusOut& rhs);
MikamiUitOpen 4:c1beacfc42c7 74
MikamiUitOpen 4:c1beacfc42c7 75 /** Access to particular bit in random-iterator fashion
MikamiUitOpen 4:c1beacfc42c7 76 */
MikamiUitOpen 4:c1beacfc42c7 77 DigitalOut& operator[] (int index);
MikamiUitOpen 4:c1beacfc42c7 78
MikamiUitOpen 4:c1beacfc42c7 79 /** A shorthand for read()
MikamiUitOpen 4:c1beacfc42c7 80 */
MikamiUitOpen 4:c1beacfc42c7 81 operator int();
MikamiUitOpen 4:c1beacfc42c7 82 #endif
MikamiUitOpen 4:c1beacfc42c7 83
MikamiUitOpen 4:c1beacfc42c7 84 protected:
MikamiUitOpen 4:c1beacfc42c7 85 DigitalOut* _pin[16];
MikamiUitOpen 4:c1beacfc42c7 86
MikamiUitOpen 4:c1beacfc42c7 87 /** Mask of bus's NC pins
MikamiUitOpen 4:c1beacfc42c7 88 * If bit[n] is set to 1 - pin is connected
MikamiUitOpen 4:c1beacfc42c7 89 * if bit[n] is cleared - pin is not connected (NC)
MikamiUitOpen 4:c1beacfc42c7 90 */
MikamiUitOpen 4:c1beacfc42c7 91 int _nc_mask;
MikamiUitOpen 4:c1beacfc42c7 92
MikamiUitOpen 4:c1beacfc42c7 93 /* disallow copy constructor and assignment operators */
MikamiUitOpen 4:c1beacfc42c7 94 private:
MikamiUitOpen 4:c1beacfc42c7 95 BusOut(const BusOut&);
MikamiUitOpen 4:c1beacfc42c7 96 BusOut & operator = (const BusOut&);
MikamiUitOpen 4:c1beacfc42c7 97 };
MikamiUitOpen 4:c1beacfc42c7 98
MikamiUitOpen 4:c1beacfc42c7 99 } // namespace mbed
MikamiUitOpen 4:c1beacfc42c7 100
MikamiUitOpen 4:c1beacfc42c7 101 #endif