Steve Kim / mbed-src

mbed library sources(for async_print)

Dependents:   AsyncPrint

Fork of mbed-src by mbed official

api/BusInOut.h@566:85de60b2bbaf, 2015-06-15 (annotated)

Committer:
mbed_official
Date:
Mon Jun 15 13:15:08 2015 +0100
Revision:
566:85de60b2bbaf
Parent:
455:8bc3a354916d 
Synchronized with git revision bf69fa1cfc0d4d59173af0a2d235c2fbc179e45c



Full URL: https://github.com/mbedmicro/mbed/commit/bf69fa1cfc0d4d59173af0a2d235c2fbc179e45c/



commit c4bf11cb6a0f36a1aca90cce128d7a8292df5bda

Merge: 0d58363 77a973c

Author: Mihail Stoyanov <wm@smode.org>

Date:   Mon Jun 15 14:41:28 2015 +0300



    Merge branch 'master' of https://github.com/mbedmicro/mbed



    Conflicts:

    	workspace_tools/targets.py



commit 0d58363887d11952b26dcefa3229a9a1457b155c

Author: Mihail Stoyanov <wm@smode.org>

Date:   Tue Jun 9 16:17:27 2015 +0300



    Added Nordic license for the soft device



commit d504a3b58af390c779cb7383df2223d0a500f70a

Merge: 2c5aab7 8902229

Author: Mihail Stoyanov <wm@smode.org>

Date:   Tue Jun 9 16:14:47 2015 +0300



    Merge branch 'master' of https://github.com/mbedmicro/mbed



commit 2c5aab74eba507d184b74166da059d4100841ff7

Author: Mihail Stoyanov <wm@smode.org>

Date:   Wed Jun 3 20:44:25 2015 +0300



    Add base MCU support for Cortex-M4. Tidy up targets.py



commit 59b868a517163bf8984baa6c87ad42f86af18391

Merge: 0e23067 927c31a

Author: Mihail Stoyanov <wm@smode.org>

Date:   Wed Jun 3 20:39:56 2015 +0300



    Merge branch 'master' of https://github.com/mbedmicro/mbed



commit 0e23067718c61808401311bb594ed25fb4ed62c6

Author: Mihail Stoyanov <wm@smode.org>

Date:   Tue Jun 2 16:08:08 2015 +0300



    Add the Delta NNN40 platform to releases



commit 62a585dcda553b6e3b5c84e90a55b465f0894863

Merge: e1cd545 7a1d25e

Author: Mihail Stoyanov <wm@smode.org>

Date:   Tue Jun 2 16:06:44 2015 +0300



    Merge branch 'master' of https://github.com/mbedmicro/mbed



    Conflicts:

    	workspace_tools/tests.py



commit e1cd545a9c92c4177f72da964d50d163dae5990f

Merge: 5c5e61f ffd5586

Author: Mihail Stoyanov <wm@smode.org>

Date:   Thu May 7 13:07:48 2015 +0300



    Merge branch 'master' of https://github.com/mbedmicro/mbed



commit 5c5e61f0ac38d91ad04738fd33af36f91452d984

Author: Mihail Stoyanov <wm@smode.org>

Date:   Thu May 7 13:07:35 2015 +0300



    Remove the Disco L053 from RTOS tests as it's not ready yet



commit e75efe346742fa22e124861fddf1b51c291f4219

Author: Mihail Stoyanov <wm@smode.org>

Date:   Wed May 6 13:49:05 2015 +0300



    Tidy up targets.py

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #ifndef MBED_BUSINOUT_H
bogdanm 13:0645d8841f51 17 #define MBED_BUSINOUT_H
bogdanm 13:0645d8841f51 18
bogdanm 13:0645d8841f51 19 #include "DigitalInOut.h"
bogdanm 13:0645d8841f51 20
bogdanm 13:0645d8841f51 21 namespace mbed {
bogdanm 13:0645d8841f51 22
bogdanm 13:0645d8841f51 23 /** A digital input output bus, used for setting the state of a collection of pins
bogdanm 13:0645d8841f51 24 */
bogdanm 13:0645d8841f51 25 class BusInOut {
bogdanm 13:0645d8841f51 26
bogdanm 13:0645d8841f51 27 public:
bogdanm 13:0645d8841f51 28
bogdanm 13:0645d8841f51 29 /** Create an BusInOut, connected to the specified pins
bogdanm 13:0645d8841f51 30 *
bogdanm 13:0645d8841f51 31 * @param p<n> DigitalInOut pin to connect to bus bit p<n> (p5-p30, NC)
bogdanm 13:0645d8841f51 32 *
bogdanm 13:0645d8841f51 33 * @note
bogdanm 13:0645d8841f51 34 * It is only required to specify as many pin variables as is required
bogdanm 13:0645d8841f51 35 * for the bus; the rest will default to NC (not connected)
bogdanm 13:0645d8841f51 36 */
bogdanm 13:0645d8841f51 37 BusInOut(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
bogdanm 13:0645d8841f51 38 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
bogdanm 13:0645d8841f51 39 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
bogdanm 13:0645d8841f51 40 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
bogdanm 13:0645d8841f51 41
bogdanm 13:0645d8841f51 42 BusInOut(PinName pins[16]);
bogdanm 13:0645d8841f51 43
bogdanm 13:0645d8841f51 44 virtual ~BusInOut();
bogdanm 13:0645d8841f51 45
bogdanm 13:0645d8841f51 46 /* Group: Access Methods */
bogdanm 13:0645d8841f51 47
bogdanm 13:0645d8841f51 48 /** Write the value to the output bus
bogdanm 13:0645d8841f51 49 *
bogdanm 13:0645d8841f51 50 * @param value An integer specifying a bit to write for every corresponding DigitalInOut pin
bogdanm 13:0645d8841f51 51 */
bogdanm 13:0645d8841f51 52 void write(int value);
bogdanm 13:0645d8841f51 53
bogdanm 13:0645d8841f51 54 /** Read the value currently output on the bus
bogdanm 13:0645d8841f51 55 *
bogdanm 13:0645d8841f51 56 * @returns
bogdanm 13:0645d8841f51 57 * An integer with each bit corresponding to associated DigitalInOut pin setting
bogdanm 13:0645d8841f51 58 */
bogdanm 13:0645d8841f51 59 int read();
bogdanm 13:0645d8841f51 60
bogdanm 13:0645d8841f51 61 /** Set as an output
bogdanm 13:0645d8841f51 62 */
bogdanm 13:0645d8841f51 63 void output();
bogdanm 13:0645d8841f51 64
bogdanm 13:0645d8841f51 65 /** Set as an input
bogdanm 13:0645d8841f51 66 */
bogdanm 13:0645d8841f51 67 void input();
bogdanm 13:0645d8841f51 68
bogdanm 13:0645d8841f51 69 /** Set the input pin mode
bogdanm 13:0645d8841f51 70 *
bogdanm 13:0645d8841f51 71 * @param mode PullUp, PullDown, PullNone
bogdanm 13:0645d8841f51 72 */
bogdanm 13:0645d8841f51 73 void mode(PinMode pull);
bogdanm 13:0645d8841f51 74
mbed_official 455:8bc3a354916d 75 /** Binary mask of bus pins connected to actual pins (not NC pins)
mbed_official 455:8bc3a354916d 76 * If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1
mbed_official 455:8bc3a354916d 77 *
mbed_official 455:8bc3a354916d 78 * @returns
mbed_official 455:8bc3a354916d 79 * Binary mask of connected pins
mbed_official 455:8bc3a354916d 80 */
mbed_official 455:8bc3a354916d 81 int mask() {
mbed_official 455:8bc3a354916d 82 return _nc_mask;
mbed_official 455:8bc3a354916d 83 }
mbed_official 455:8bc3a354916d 84
bogdanm 13:0645d8841f51 85 #ifdef MBED_OPERATORS
bogdanm 13:0645d8841f51 86 /** A shorthand for write()
bogdanm 13:0645d8841f51 87 */
bogdanm 13:0645d8841f51 88 BusInOut& operator= (int v);
bogdanm 13:0645d8841f51 89 BusInOut& operator= (BusInOut& rhs);
bogdanm 13:0645d8841f51 90
mbed_official 455:8bc3a354916d 91 /** Access to particular bit in random-iterator fashion
mbed_official 455:8bc3a354916d 92 */
mbed_official 455:8bc3a354916d 93 DigitalInOut& operator[] (int index);
mbed_official 455:8bc3a354916d 94
bogdanm 13:0645d8841f51 95 /** A shorthand for read()
bogdanm 13:0645d8841f51 96 */
bogdanm 13:0645d8841f51 97 operator int();
bogdanm 13:0645d8841f51 98 #endif
bogdanm 13:0645d8841f51 99
bogdanm 13:0645d8841f51 100 protected:
bogdanm 13:0645d8841f51 101 DigitalInOut* _pin[16];
mbed_official 212:34d62c0b2af6 102
mbed_official 455:8bc3a354916d 103 /** Mask of bus's NC pins
mbed_official 455:8bc3a354916d 104 * If bit[n] is set to 1 - pin is connected
mbed_official 455:8bc3a354916d 105 * if bit[n] is cleared - pin is not connected (NC)
mbed_official 455:8bc3a354916d 106 */
mbed_official 455:8bc3a354916d 107 int _nc_mask;
mbed_official 455:8bc3a354916d 108
mbed_official 212:34d62c0b2af6 109 /* disallow copy constructor and assignment operators */
mbed_official 212:34d62c0b2af6 110 private:
mbed_official 212:34d62c0b2af6 111 BusInOut(const BusInOut&);
mbed_official 212:34d62c0b2af6 112 BusInOut & operator = (const BusInOut&);
bogdanm 13:0645d8841f51 113 };
bogdanm 13:0645d8841f51 114
bogdanm 13:0645d8841f51 115 } // namespace mbed
bogdanm 13:0645d8841f51 116
bogdanm 13:0645d8841f51 117 #endif