Shruti Rawool / pir-motion-sensor

PIR grove sensor that sends the sensed data to Thingspeak.com through the wifi module ESP 8266

Dependencies:   mbed

esp_attemp3/mbed/drivers/BusIn.h@0:3954a906acc2, 2016-12-05 (annotated)

Committer:
skrawool
Date:
Mon Dec 05 16:39:27 2016 +0000
Revision:
0:3954a906acc2
PIR grove sensor that sends the sensed data to thingspeak through the wifi module ESP 8266

Who changed what in which revision?

UserRevisionLine numberNew contents of line
skrawool 0:3954a906acc2 1 /* mbed Microcontroller Library
skrawool 0:3954a906acc2 2 * Copyright (c) 2006-2013 ARM Limited
skrawool 0:3954a906acc2 3 *
skrawool 0:3954a906acc2 4 * Licensed under the Apache License, Version 2.0 (the "License");
skrawool 0:3954a906acc2 5 * you may not use this file except in compliance with the License.
skrawool 0:3954a906acc2 6 * You may obtain a copy of the License at
skrawool 0:3954a906acc2 7 *
skrawool 0:3954a906acc2 8 * http://www.apache.org/licenses/LICENSE-2.0
skrawool 0:3954a906acc2 9 *
skrawool 0:3954a906acc2 10 * Unless required by applicable law or agreed to in writing, software
skrawool 0:3954a906acc2 11 * distributed under the License is distributed on an "AS IS" BASIS,
skrawool 0:3954a906acc2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
skrawool 0:3954a906acc2 13 * See the License for the specific language governing permissions and
skrawool 0:3954a906acc2 14 * limitations under the License.
skrawool 0:3954a906acc2 15 */
skrawool 0:3954a906acc2 16 #ifndef MBED_BUSIN_H
skrawool 0:3954a906acc2 17 #define MBED_BUSIN_H
skrawool 0:3954a906acc2 18
skrawool 0:3954a906acc2 19 #include "platform/platform.h"
skrawool 0:3954a906acc2 20 #include "drivers/DigitalIn.h"
skrawool 0:3954a906acc2 21 #include "platform/PlatformMutex.h"
skrawool 0:3954a906acc2 22
skrawool 0:3954a906acc2 23 namespace mbed {
skrawool 0:3954a906acc2 24 /** \addtogroup drivers */
skrawool 0:3954a906acc2 25 /** @{*/
skrawool 0:3954a906acc2 26
skrawool 0:3954a906acc2 27 /** A digital input bus, used for reading the state of a collection of pins
skrawool 0:3954a906acc2 28 *
skrawool 0:3954a906acc2 29 * @Note Synchronization level: Thread safe
skrawool 0:3954a906acc2 30 */
skrawool 0:3954a906acc2 31 class BusIn {
skrawool 0:3954a906acc2 32
skrawool 0:3954a906acc2 33 public:
skrawool 0:3954a906acc2 34 /* Group: Configuration Methods */
skrawool 0:3954a906acc2 35
skrawool 0:3954a906acc2 36 /** Create an BusIn, connected to the specified pins
skrawool 0:3954a906acc2 37 *
skrawool 0:3954a906acc2 38 * @param <n> DigitalIn pin to connect to bus bit <n> (p5-p30, NC)
skrawool 0:3954a906acc2 39 *
skrawool 0:3954a906acc2 40 * @note
skrawool 0:3954a906acc2 41 * It is only required to specify as many pin variables as is required
skrawool 0:3954a906acc2 42 * for the bus; the rest will default to NC (not connected)
skrawool 0:3954a906acc2 43 */
skrawool 0:3954a906acc2 44 BusIn(PinName p0, PinName p1 = NC, PinName p2 = NC, PinName p3 = NC,
skrawool 0:3954a906acc2 45 PinName p4 = NC, PinName p5 = NC, PinName p6 = NC, PinName p7 = NC,
skrawool 0:3954a906acc2 46 PinName p8 = NC, PinName p9 = NC, PinName p10 = NC, PinName p11 = NC,
skrawool 0:3954a906acc2 47 PinName p12 = NC, PinName p13 = NC, PinName p14 = NC, PinName p15 = NC);
skrawool 0:3954a906acc2 48
skrawool 0:3954a906acc2 49 BusIn(PinName pins[16]);
skrawool 0:3954a906acc2 50
skrawool 0:3954a906acc2 51 virtual ~BusIn();
skrawool 0:3954a906acc2 52
skrawool 0:3954a906acc2 53 /** Read the value of the input bus
skrawool 0:3954a906acc2 54 *
skrawool 0:3954a906acc2 55 * @returns
skrawool 0:3954a906acc2 56 * An integer with each bit corresponding to the value read from the associated DigitalIn pin
skrawool 0:3954a906acc2 57 */
skrawool 0:3954a906acc2 58 int read();
skrawool 0:3954a906acc2 59
skrawool 0:3954a906acc2 60 /** Set the input pin mode
skrawool 0:3954a906acc2 61 *
skrawool 0:3954a906acc2 62 * @param mode PullUp, PullDown, PullNone
skrawool 0:3954a906acc2 63 */
skrawool 0:3954a906acc2 64 void mode(PinMode pull);
skrawool 0:3954a906acc2 65
skrawool 0:3954a906acc2 66 /** Binary mask of bus pins connected to actual pins (not NC pins)
skrawool 0:3954a906acc2 67 * If bus pin is in NC state make corresponding bit will be cleared (set to 0), else bit will be set to 1
skrawool 0:3954a906acc2 68 *
skrawool 0:3954a906acc2 69 * @returns
skrawool 0:3954a906acc2 70 * Binary mask of connected pins
skrawool 0:3954a906acc2 71 */
skrawool 0:3954a906acc2 72 int mask() {
skrawool 0:3954a906acc2 73 // No lock needed since _nc_mask is not modified outside the constructor
skrawool 0:3954a906acc2 74 return _nc_mask;
skrawool 0:3954a906acc2 75 }
skrawool 0:3954a906acc2 76
skrawool 0:3954a906acc2 77 /** A shorthand for read()
skrawool 0:3954a906acc2 78 */
skrawool 0:3954a906acc2 79 operator int();
skrawool 0:3954a906acc2 80
skrawool 0:3954a906acc2 81 /** Access to particular bit in random-iterator fashion
skrawool 0:3954a906acc2 82 */
skrawool 0:3954a906acc2 83 DigitalIn & operator[] (int index);
skrawool 0:3954a906acc2 84
skrawool 0:3954a906acc2 85 protected:
skrawool 0:3954a906acc2 86 DigitalIn* _pin[16];
skrawool 0:3954a906acc2 87
skrawool 0:3954a906acc2 88 /** Mask of bus's NC pins
skrawool 0:3954a906acc2 89 * If bit[n] is set to 1 - pin is connected
skrawool 0:3954a906acc2 90 * if bit[n] is cleared - pin is not connected (NC)
skrawool 0:3954a906acc2 91 */
skrawool 0:3954a906acc2 92 int _nc_mask;
skrawool 0:3954a906acc2 93
skrawool 0:3954a906acc2 94 PlatformMutex _mutex;
skrawool 0:3954a906acc2 95
skrawool 0:3954a906acc2 96 /* disallow copy constructor and assignment operators */
skrawool 0:3954a906acc2 97 private:
skrawool 0:3954a906acc2 98 virtual void lock();
skrawool 0:3954a906acc2 99 virtual void unlock();
skrawool 0:3954a906acc2 100 BusIn(const BusIn&);
skrawool 0:3954a906acc2 101 BusIn & operator = (const BusIn&);
skrawool 0:3954a906acc2 102 };
skrawool 0:3954a906acc2 103
skrawool 0:3954a906acc2 104 } // namespace mbed
skrawool 0:3954a906acc2 105
skrawool 0:3954a906acc2 106 #endif
skrawool 0:3954a906acc2 107
skrawool 0:3954a906acc2 108 /** @}*/