My fork

Dependencies:   BLE_API mbed-dev-bin nRF51822-bluetooth-mdw

Fork of microbit-dal-bluetooth-mdw by Martin Woolley

Committer:
LancasterUniversity
Date:
Wed Jul 13 12:18:46 2016 +0100
Revision:
66:2fc7d7c2fffc
Parent:
65:f7ebabf23e15
Synchronized with git rev a962befe
Author: Joe Finney
Merge pull request #159 from lancaster-university/bugfix-145-shake-hard-to-trigger

Bugfix 145 shake hard to trigger

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jonathan Austin 1:8aa5cdb4ab67 1 /*
Jonathan Austin 1:8aa5cdb4ab67 2 The MIT License (MIT)
Jonathan Austin 1:8aa5cdb4ab67 3
Jonathan Austin 1:8aa5cdb4ab67 4 Copyright (c) 2016 British Broadcasting Corporation.
Jonathan Austin 1:8aa5cdb4ab67 5 This software is provided by Lancaster University by arrangement with the BBC.
Jonathan Austin 1:8aa5cdb4ab67 6
Jonathan Austin 1:8aa5cdb4ab67 7 Permission is hereby granted, free of charge, to any person obtaining a
Jonathan Austin 1:8aa5cdb4ab67 8 copy of this software and associated documentation files (the "Software"),
Jonathan Austin 1:8aa5cdb4ab67 9 to deal in the Software without restriction, including without limitation
Jonathan Austin 1:8aa5cdb4ab67 10 the rights to use, copy, modify, merge, publish, distribute, sublicense,
Jonathan Austin 1:8aa5cdb4ab67 11 and/or sell copies of the Software, and to permit persons to whom the
Jonathan Austin 1:8aa5cdb4ab67 12 Software is furnished to do so, subject to the following conditions:
Jonathan Austin 1:8aa5cdb4ab67 13
Jonathan Austin 1:8aa5cdb4ab67 14 The above copyright notice and this permission notice shall be included in
Jonathan Austin 1:8aa5cdb4ab67 15 all copies or substantial portions of the Software.
Jonathan Austin 1:8aa5cdb4ab67 16
Jonathan Austin 1:8aa5cdb4ab67 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Jonathan Austin 1:8aa5cdb4ab67 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Jonathan Austin 1:8aa5cdb4ab67 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
Jonathan Austin 1:8aa5cdb4ab67 20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
Jonathan Austin 1:8aa5cdb4ab67 22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 23 DEALINGS IN THE SOFTWARE.
Jonathan Austin 1:8aa5cdb4ab67 24 */
Jonathan Austin 1:8aa5cdb4ab67 25
Jonathan Austin 1:8aa5cdb4ab67 26 #ifndef MICROBIT_PIN_H
Jonathan Austin 1:8aa5cdb4ab67 27 #define MICROBIT_PIN_H
Jonathan Austin 1:8aa5cdb4ab67 28
Jonathan Austin 1:8aa5cdb4ab67 29 #include "mbed.h"
Jonathan Austin 1:8aa5cdb4ab67 30 #include "MicroBitConfig.h"
Jonathan Austin 1:8aa5cdb4ab67 31 #include "MicroBitComponent.h"
Jonathan Austin 1:8aa5cdb4ab67 32 // Status Field flags...
Jonathan Austin 1:8aa5cdb4ab67 33 #define IO_STATUS_DIGITAL_IN 0x01 // Pin is configured as a digital input, with no pull up.
Jonathan Austin 1:8aa5cdb4ab67 34 #define IO_STATUS_DIGITAL_OUT 0x02 // Pin is configured as a digital output
Jonathan Austin 1:8aa5cdb4ab67 35 #define IO_STATUS_ANALOG_IN 0x04 // Pin is Analog in
Jonathan Austin 1:8aa5cdb4ab67 36 #define IO_STATUS_ANALOG_OUT 0x08 // Pin is Analog out
Jonathan Austin 1:8aa5cdb4ab67 37 #define IO_STATUS_TOUCH_IN 0x10 // Pin is a makey-makey style touch sensor
LancasterUniversity 49:88f03f3feff1 38 #define IO_STATUS_EVENT_ON_EDGE 0x20 // Pin will generate events on pin change
LancasterUniversity 49:88f03f3feff1 39 #define IO_STATUS_EVENT_PULSE_ON_EDGE 0x40 // Pin will generate events on pin change
Jonathan Austin 1:8aa5cdb4ab67 40
Jonathan Austin 1:8aa5cdb4ab67 41 //#defines for each edge connector pin
Jonathan Austin 1:8aa5cdb4ab67 42 #define MICROBIT_PIN_P0 P0_3 //P0 is the left most pad (ANALOG/DIGITAL) used to be P0_3 on green board
Jonathan Austin 1:8aa5cdb4ab67 43 #define MICROBIT_PIN_P1 P0_2 //P1 is the middle pad (ANALOG/DIGITAL)
Jonathan Austin 1:8aa5cdb4ab67 44 #define MICROBIT_PIN_P2 P0_1 //P2 is the right most pad (ANALOG/DIGITAL) used to be P0_1 on green board
Jonathan Austin 1:8aa5cdb4ab67 45 #define MICROBIT_PIN_P3 P0_4 //COL1 (ANALOG/DIGITAL)
Jonathan Austin 1:8aa5cdb4ab67 46 #define MICROBIT_PIN_P4 P0_5 //COL2 (ANALOG/DIGITAL)
Jonathan Austin 1:8aa5cdb4ab67 47 #define MICROBIT_PIN_P5 P0_17 //BTN_A
Jonathan Austin 1:8aa5cdb4ab67 48 #define MICROBIT_PIN_P6 P0_12 //COL9
Jonathan Austin 1:8aa5cdb4ab67 49 #define MICROBIT_PIN_P7 P0_11 //COL8
Jonathan Austin 1:8aa5cdb4ab67 50 #define MICROBIT_PIN_P8 P0_18 //PIN 18
Jonathan Austin 1:8aa5cdb4ab67 51 #define MICROBIT_PIN_P9 P0_10 //COL7
Jonathan Austin 1:8aa5cdb4ab67 52 #define MICROBIT_PIN_P10 P0_6 //COL3 (ANALOG/DIGITAL)
Jonathan Austin 1:8aa5cdb4ab67 53 #define MICROBIT_PIN_P11 P0_26 //BTN_B
Jonathan Austin 1:8aa5cdb4ab67 54 #define MICROBIT_PIN_P12 P0_20 //PIN 20
Jonathan Austin 1:8aa5cdb4ab67 55 #define MICROBIT_PIN_P13 P0_23 //SCK
Jonathan Austin 1:8aa5cdb4ab67 56 #define MICROBIT_PIN_P14 P0_22 //MISO
Jonathan Austin 1:8aa5cdb4ab67 57 #define MICROBIT_PIN_P15 P0_21 //MOSI
Jonathan Austin 1:8aa5cdb4ab67 58 #define MICROBIT_PIN_P16 P0_16 //PIN 16
Jonathan Austin 1:8aa5cdb4ab67 59 #define MICROBIT_PIN_P19 P0_0 //SCL
Jonathan Austin 1:8aa5cdb4ab67 60 #define MICROBIT_PIN_P20 P0_30 //SDA
Jonathan Austin 1:8aa5cdb4ab67 61
Jonathan Austin 1:8aa5cdb4ab67 62 #define MICROBIT_PIN_MAX_OUTPUT 1023
Jonathan Austin 1:8aa5cdb4ab67 63
Jonathan Austin 1:8aa5cdb4ab67 64 #define MICROBIT_PIN_MAX_SERVO_RANGE 180
Jonathan Austin 1:8aa5cdb4ab67 65 #define MICROBIT_PIN_DEFAULT_SERVO_RANGE 2000
Jonathan Austin 1:8aa5cdb4ab67 66 #define MICROBIT_PIN_DEFAULT_SERVO_CENTER 1500
Jonathan Austin 1:8aa5cdb4ab67 67
LancasterUniversity 49:88f03f3feff1 68 #define MICROBIT_PIN_EVENT_NONE 0
LancasterUniversity 49:88f03f3feff1 69 #define MICROBIT_PIN_EVENT_ON_EDGE 1
LancasterUniversity 49:88f03f3feff1 70 #define MICROBIT_PIN_EVENT_ON_PULSE 2
LancasterUniversity 49:88f03f3feff1 71 #define MICROBIT_PIN_EVENT_ON_TOUCH 3
LancasterUniversity 49:88f03f3feff1 72
LancasterUniversity 49:88f03f3feff1 73 #define MICROBIT_PIN_EVT_RISE 2
LancasterUniversity 49:88f03f3feff1 74 #define MICROBIT_PIN_EVT_FALL 3
LancasterUniversity 49:88f03f3feff1 75 #define MICROBIT_PIN_EVT_PULSE_HI 4
LancasterUniversity 49:88f03f3feff1 76 #define MICROBIT_PIN_EVT_PULSE_LO 5
Jonathan Austin 1:8aa5cdb4ab67 77
Jonathan Austin 1:8aa5cdb4ab67 78 /**
Jonathan Austin 1:8aa5cdb4ab67 79 * Pin capabilities enum.
Jonathan Austin 1:8aa5cdb4ab67 80 * Used to determine the capabilities of each Pin as some can only be digital, or can be both digital and analogue.
Jonathan Austin 1:8aa5cdb4ab67 81 */
Jonathan Austin 1:8aa5cdb4ab67 82 enum PinCapability{
Jonathan Austin 1:8aa5cdb4ab67 83 PIN_CAPABILITY_DIGITAL = 0x01,
Jonathan Austin 1:8aa5cdb4ab67 84 PIN_CAPABILITY_ANALOG = 0x02,
Jonathan Austin 1:8aa5cdb4ab67 85 PIN_CAPABILITY_AD = PIN_CAPABILITY_DIGITAL | PIN_CAPABILITY_ANALOG,
LancasterUniversity 45:23b71960fe6c 86 PIN_CAPABILITY_ALL = PIN_CAPABILITY_DIGITAL | PIN_CAPABILITY_ANALOG
Jonathan Austin 1:8aa5cdb4ab67 87 };
Jonathan Austin 1:8aa5cdb4ab67 88
Jonathan Austin 1:8aa5cdb4ab67 89 /**
Jonathan Austin 1:8aa5cdb4ab67 90 * Class definition for MicroBitPin.
Jonathan Austin 1:8aa5cdb4ab67 91 *
Jonathan Austin 1:8aa5cdb4ab67 92 * Commonly represents an I/O pin on the edge connector.
Jonathan Austin 1:8aa5cdb4ab67 93 */
Jonathan Austin 1:8aa5cdb4ab67 94 class MicroBitPin : public MicroBitComponent
Jonathan Austin 1:8aa5cdb4ab67 95 {
Jonathan Austin 1:8aa5cdb4ab67 96 // The mbed object looking after this pin at any point in time (untyped due to dynamic behaviour).
Jonathan Austin 1:8aa5cdb4ab67 97 void *pin;
Jonathan Austin 1:8aa5cdb4ab67 98 PinCapability capability;
LancasterUniversity 66:2fc7d7c2fffc 99 uint8_t pullMode;
Jonathan Austin 1:8aa5cdb4ab67 100
Jonathan Austin 1:8aa5cdb4ab67 101 /**
Jonathan Austin 1:8aa5cdb4ab67 102 * Disconnect any attached mBed IO from this pin.
Jonathan Austin 1:8aa5cdb4ab67 103 *
Jonathan Austin 1:8aa5cdb4ab67 104 * Used only when pin changes mode (i.e. Input/Output/Analog/Digital)
Jonathan Austin 1:8aa5cdb4ab67 105 */
Jonathan Austin 1:8aa5cdb4ab67 106 void disconnect();
Jonathan Austin 1:8aa5cdb4ab67 107
Jonathan Austin 1:8aa5cdb4ab67 108 /**
Jonathan Austin 1:8aa5cdb4ab67 109 * Performs a check to ensure that the current Pin is in control of a
Jonathan Austin 1:8aa5cdb4ab67 110 * DynamicPwm instance, and if it's not, allocates a new DynamicPwm instance.
Jonathan Austin 1:8aa5cdb4ab67 111 */
Jonathan Austin 1:8aa5cdb4ab67 112 int obtainAnalogChannel();
Jonathan Austin 1:8aa5cdb4ab67 113
LancasterUniversity 49:88f03f3feff1 114 /**
LancasterUniversity 49:88f03f3feff1 115 * Interrupt handler for when an rise interrupt is triggered.
LancasterUniversity 49:88f03f3feff1 116 */
LancasterUniversity 49:88f03f3feff1 117 void onRise();
LancasterUniversity 49:88f03f3feff1 118
LancasterUniversity 49:88f03f3feff1 119 /**
LancasterUniversity 49:88f03f3feff1 120 * Interrupt handler for when an fall interrupt is triggered.
LancasterUniversity 49:88f03f3feff1 121 */
LancasterUniversity 49:88f03f3feff1 122 void onFall();
LancasterUniversity 49:88f03f3feff1 123
LancasterUniversity 49:88f03f3feff1 124 /**
LancasterUniversity 49:88f03f3feff1 125 * This member function manages the calculation of the timestamp of a pulse detected
LancasterUniversity 49:88f03f3feff1 126 * on a pin whilst in IO_STATUS_EVENT_PULSE_ON_EDGE or IO_STATUS_EVENT_ON_EDGE modes.
LancasterUniversity 49:88f03f3feff1 127 *
LancasterUniversity 49:88f03f3feff1 128 * @param eventValue the event value to distribute onto the message bus.
LancasterUniversity 49:88f03f3feff1 129 */
LancasterUniversity 49:88f03f3feff1 130 void pulseWidthEvent(int eventValue);
LancasterUniversity 49:88f03f3feff1 131
LancasterUniversity 49:88f03f3feff1 132 /**
LancasterUniversity 49:88f03f3feff1 133 * This member function will construct an TimedInterruptIn instance, and configure
LancasterUniversity 49:88f03f3feff1 134 * interrupts for rise and fall.
LancasterUniversity 49:88f03f3feff1 135 *
LancasterUniversity 49:88f03f3feff1 136 * @param eventType the specific mode used in interrupt context to determine how an
LancasterUniversity 49:88f03f3feff1 137 * edge/rise is processed.
LancasterUniversity 49:88f03f3feff1 138 *
LancasterUniversity 49:88f03f3feff1 139 * @return MICROBIT_OK on success
LancasterUniversity 49:88f03f3feff1 140 */
LancasterUniversity 49:88f03f3feff1 141 int enableRiseFallEvents(int eventType);
LancasterUniversity 49:88f03f3feff1 142
LancasterUniversity 49:88f03f3feff1 143 /**
LancasterUniversity 49:88f03f3feff1 144 * If this pin is in a mode where the pin is generating events, it will destruct
LancasterUniversity 49:88f03f3feff1 145 * the current instance attached to this MicroBitPin instance.
LancasterUniversity 49:88f03f3feff1 146 *
LancasterUniversity 49:88f03f3feff1 147 * @return MICROBIT_OK on success.
LancasterUniversity 49:88f03f3feff1 148 */
LancasterUniversity 49:88f03f3feff1 149 int disableEvents();
LancasterUniversity 49:88f03f3feff1 150
Jonathan Austin 1:8aa5cdb4ab67 151 public:
Jonathan Austin 1:8aa5cdb4ab67 152
Jonathan Austin 1:8aa5cdb4ab67 153 // mbed PinName of this pin.
Jonathan Austin 1:8aa5cdb4ab67 154 PinName name;
Jonathan Austin 1:8aa5cdb4ab67 155
Jonathan Austin 1:8aa5cdb4ab67 156 /**
Jonathan Austin 1:8aa5cdb4ab67 157 * Constructor.
Jonathan Austin 1:8aa5cdb4ab67 158 * Create a MicroBitPin instance, generally used to represent a pin on the edge connector.
Jonathan Austin 1:8aa5cdb4ab67 159 *
Jonathan Austin 1:8aa5cdb4ab67 160 * @param id the unique EventModel id of this component.
Jonathan Austin 1:8aa5cdb4ab67 161 *
Jonathan Austin 1:8aa5cdb4ab67 162 * @param name the mbed PinName for this MicroBitPin instance.
Jonathan Austin 1:8aa5cdb4ab67 163 *
Jonathan Austin 1:8aa5cdb4ab67 164 * @param capability the capabilities this MicroBitPin instance should have.
LancasterUniversity 45:23b71960fe6c 165 * (PIN_CAPABILITY_DIGITAL, PIN_CAPABILITY_ANALOG, PIN_CAPABILITY_AD, PIN_CAPABILITY_ALL)
Jonathan Austin 1:8aa5cdb4ab67 166 *
Jonathan Austin 1:8aa5cdb4ab67 167 * @code
Jonathan Austin 1:8aa5cdb4ab67 168 * MicroBitPin P0(MICROBIT_ID_IO_P0, MICROBIT_PIN_P0, PIN_CAPABILITY_ALL);
Jonathan Austin 1:8aa5cdb4ab67 169 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 170 */
Jonathan Austin 1:8aa5cdb4ab67 171 MicroBitPin(int id, PinName name, PinCapability capability);
Jonathan Austin 1:8aa5cdb4ab67 172
Jonathan Austin 1:8aa5cdb4ab67 173 /**
Jonathan Austin 1:8aa5cdb4ab67 174 * Configures this IO pin as a digital output (if necessary) and sets the pin to 'value'.
Jonathan Austin 1:8aa5cdb4ab67 175 *
Jonathan Austin 1:8aa5cdb4ab67 176 * @param value 0 (LO) or 1 (HI)
Jonathan Austin 1:8aa5cdb4ab67 177 *
Jonathan Austin 1:8aa5cdb4ab67 178 * @return MICROBIT_OK on success, MICROBIT_INVALID_PARAMETER if value is out of range, or MICROBIT_NOT_SUPPORTED
Jonathan Austin 1:8aa5cdb4ab67 179 * if the given pin does not have digital capability.
Jonathan Austin 1:8aa5cdb4ab67 180 *
Jonathan Austin 1:8aa5cdb4ab67 181 * @code
Jonathan Austin 1:8aa5cdb4ab67 182 * MicroBitPin P0(MICROBIT_ID_IO_P0, MICROBIT_PIN_P0, PIN_CAPABILITY_BOTH);
Jonathan Austin 1:8aa5cdb4ab67 183 * P0.setDigitalValue(1); // P0 is now HI
Jonathan Austin 1:8aa5cdb4ab67 184 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 185 */
Jonathan Austin 1:8aa5cdb4ab67 186 int setDigitalValue(int value);
Jonathan Austin 1:8aa5cdb4ab67 187
Jonathan Austin 1:8aa5cdb4ab67 188 /**
Jonathan Austin 1:8aa5cdb4ab67 189 * Configures this IO pin as a digital input (if necessary) and tests its current value.
Jonathan Austin 1:8aa5cdb4ab67 190 *
LancasterUniversity 49:88f03f3feff1 191 *
Jonathan Austin 1:8aa5cdb4ab67 192 * @return 1 if this input is high, 0 if input is LO, or MICROBIT_NOT_SUPPORTED
LancasterUniversity 49:88f03f3feff1 193 * if the given pin does not have digital capability.
Jonathan Austin 1:8aa5cdb4ab67 194 *
Jonathan Austin 1:8aa5cdb4ab67 195 * @code
Jonathan Austin 1:8aa5cdb4ab67 196 * MicroBitPin P0(MICROBIT_ID_IO_P0, MICROBIT_PIN_P0, PIN_CAPABILITY_BOTH);
Jonathan Austin 1:8aa5cdb4ab67 197 * P0.getDigitalValue(); // P0 is either 0 or 1;
Jonathan Austin 1:8aa5cdb4ab67 198 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 199 */
Jonathan Austin 1:8aa5cdb4ab67 200 int getDigitalValue();
Jonathan Austin 1:8aa5cdb4ab67 201
Jonathan Austin 1:8aa5cdb4ab67 202 /**
LancasterUniversity 66:2fc7d7c2fffc 203 * Configures this IO pin as a digital input with the specified internal pull-up/pull-down configuraiton (if necessary) and tests its current value.
LancasterUniversity 66:2fc7d7c2fffc 204 *
LancasterUniversity 66:2fc7d7c2fffc 205 * @param pull one of the mbed pull configurations: PullUp, PullDown, PullNone
LancasterUniversity 66:2fc7d7c2fffc 206 *
LancasterUniversity 66:2fc7d7c2fffc 207 * @return 1 if this input is high, 0 if input is LO, or MICROBIT_NOT_SUPPORTED
LancasterUniversity 66:2fc7d7c2fffc 208 * if the given pin does not have digital capability.
LancasterUniversity 66:2fc7d7c2fffc 209 *
LancasterUniversity 66:2fc7d7c2fffc 210 * @code
LancasterUniversity 66:2fc7d7c2fffc 211 * MicroBitPin P0(MICROBIT_ID_IO_P0, MICROBIT_PIN_P0, PIN_CAPABILITY_BOTH);
LancasterUniversity 66:2fc7d7c2fffc 212 * P0.getDigitalValue(PullUp); // P0 is either 0 or 1;
LancasterUniversity 66:2fc7d7c2fffc 213 * @endcode
LancasterUniversity 66:2fc7d7c2fffc 214 */
LancasterUniversity 66:2fc7d7c2fffc 215 int getDigitalValue(PinMode pull);
LancasterUniversity 66:2fc7d7c2fffc 216
LancasterUniversity 66:2fc7d7c2fffc 217 /**
Jonathan Austin 1:8aa5cdb4ab67 218 * Configures this IO pin as an analog/pwm output, and change the output value to the given level.
Jonathan Austin 1:8aa5cdb4ab67 219 *
Jonathan Austin 1:8aa5cdb4ab67 220 * @param value the level to set on the output pin, in the range 0 - 1024
Jonathan Austin 1:8aa5cdb4ab67 221 *
Jonathan Austin 1:8aa5cdb4ab67 222 * @return MICROBIT_OK on success, MICROBIT_INVALID_PARAMETER if value is out of range, or MICROBIT_NOT_SUPPORTED
Jonathan Austin 1:8aa5cdb4ab67 223 * if the given pin does not have analog capability.
Jonathan Austin 1:8aa5cdb4ab67 224 */
Jonathan Austin 1:8aa5cdb4ab67 225 int setAnalogValue(int value);
Jonathan Austin 1:8aa5cdb4ab67 226
Jonathan Austin 1:8aa5cdb4ab67 227 /**
Jonathan Austin 1:8aa5cdb4ab67 228 * Configures this IO pin as an analog/pwm output (if necessary) and configures the period to be 20ms,
Jonathan Austin 1:8aa5cdb4ab67 229 * with a duty cycle between 500 us and 2500 us.
Jonathan Austin 1:8aa5cdb4ab67 230 *
Jonathan Austin 1:8aa5cdb4ab67 231 * A value of 180 sets the duty cycle to be 2500us, and a value of 0 sets the duty cycle to be 500us by default.
Jonathan Austin 1:8aa5cdb4ab67 232 *
Jonathan Austin 1:8aa5cdb4ab67 233 * This range can be modified to fine tune, and also tolerate different servos.
Jonathan Austin 1:8aa5cdb4ab67 234 *
Jonathan Austin 1:8aa5cdb4ab67 235 * @param value the level to set on the output pin, in the range 0 - 180.
Jonathan Austin 1:8aa5cdb4ab67 236 *
Jonathan Austin 1:8aa5cdb4ab67 237 * @param range which gives the span of possible values the i.e. the lower and upper bounds (center +/- range/2). Defaults to MICROBIT_PIN_DEFAULT_SERVO_RANGE.
Jonathan Austin 1:8aa5cdb4ab67 238 *
Jonathan Austin 1:8aa5cdb4ab67 239 * @param center the center point from which to calculate the lower and upper bounds. Defaults to MICROBIT_PIN_DEFAULT_SERVO_CENTER
Jonathan Austin 1:8aa5cdb4ab67 240 *
Jonathan Austin 1:8aa5cdb4ab67 241 * @return MICROBIT_OK on success, MICROBIT_INVALID_PARAMETER if value is out of range, or MICROBIT_NOT_SUPPORTED
Jonathan Austin 1:8aa5cdb4ab67 242 * if the given pin does not have analog capability.
Jonathan Austin 1:8aa5cdb4ab67 243 */
Jonathan Austin 1:8aa5cdb4ab67 244 int setServoValue(int value, int range = MICROBIT_PIN_DEFAULT_SERVO_RANGE, int center = MICROBIT_PIN_DEFAULT_SERVO_CENTER);
Jonathan Austin 1:8aa5cdb4ab67 245
Jonathan Austin 1:8aa5cdb4ab67 246 /**
Jonathan Austin 1:8aa5cdb4ab67 247 * Configures this IO pin as an analogue input (if necessary), and samples the Pin for its analog value.
Jonathan Austin 1:8aa5cdb4ab67 248 *
Jonathan Austin 1:8aa5cdb4ab67 249 * @return the current analogue level on the pin, in the range 0 - 1024, or
Jonathan Austin 1:8aa5cdb4ab67 250 * MICROBIT_NOT_SUPPORTED if the given pin does not have analog capability.
Jonathan Austin 1:8aa5cdb4ab67 251 *
Jonathan Austin 1:8aa5cdb4ab67 252 * @code
Jonathan Austin 1:8aa5cdb4ab67 253 * MicroBitPin P0(MICROBIT_ID_IO_P0, MICROBIT_PIN_P0, PIN_CAPABILITY_BOTH);
Jonathan Austin 1:8aa5cdb4ab67 254 * P0.getAnalogValue(); // P0 is a value in the range of 0 - 1024
Jonathan Austin 1:8aa5cdb4ab67 255 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 256 */
Jonathan Austin 1:8aa5cdb4ab67 257 int getAnalogValue();
Jonathan Austin 1:8aa5cdb4ab67 258
Jonathan Austin 1:8aa5cdb4ab67 259 /**
Jonathan Austin 1:8aa5cdb4ab67 260 * Determines if this IO pin is currently configured as an input.
Jonathan Austin 1:8aa5cdb4ab67 261 *
Jonathan Austin 1:8aa5cdb4ab67 262 * @return 1 if pin is an analog or digital input, 0 otherwise.
Jonathan Austin 1:8aa5cdb4ab67 263 */
Jonathan Austin 1:8aa5cdb4ab67 264 int isInput();
Jonathan Austin 1:8aa5cdb4ab67 265
Jonathan Austin 1:8aa5cdb4ab67 266 /**
Jonathan Austin 1:8aa5cdb4ab67 267 * Determines if this IO pin is currently configured as an output.
Jonathan Austin 1:8aa5cdb4ab67 268 *
Jonathan Austin 1:8aa5cdb4ab67 269 * @return 1 if pin is an analog or digital output, 0 otherwise.
Jonathan Austin 1:8aa5cdb4ab67 270 */
Jonathan Austin 1:8aa5cdb4ab67 271 int isOutput();
Jonathan Austin 1:8aa5cdb4ab67 272
Jonathan Austin 1:8aa5cdb4ab67 273 /**
Jonathan Austin 1:8aa5cdb4ab67 274 * Determines if this IO pin is currently configured for digital use.
Jonathan Austin 1:8aa5cdb4ab67 275 *
Jonathan Austin 1:8aa5cdb4ab67 276 * @return 1 if pin is digital, 0 otherwise.
Jonathan Austin 1:8aa5cdb4ab67 277 */
Jonathan Austin 1:8aa5cdb4ab67 278 int isDigital();
Jonathan Austin 1:8aa5cdb4ab67 279
Jonathan Austin 1:8aa5cdb4ab67 280 /**
Jonathan Austin 1:8aa5cdb4ab67 281 * Determines if this IO pin is currently configured for analog use.
Jonathan Austin 1:8aa5cdb4ab67 282 *
Jonathan Austin 1:8aa5cdb4ab67 283 * @return 1 if pin is analog, 0 otherwise.
Jonathan Austin 1:8aa5cdb4ab67 284 */
Jonathan Austin 1:8aa5cdb4ab67 285 int isAnalog();
Jonathan Austin 1:8aa5cdb4ab67 286
Jonathan Austin 1:8aa5cdb4ab67 287 /**
Jonathan Austin 1:8aa5cdb4ab67 288 * Configures this IO pin as a "makey makey" style touch sensor (if necessary)
Jonathan Austin 1:8aa5cdb4ab67 289 * and tests its current debounced state.
Jonathan Austin 1:8aa5cdb4ab67 290 *
Jonathan Austin 1:8aa5cdb4ab67 291 * Users can also subscribe to MicroBitButton events generated from this pin.
Jonathan Austin 1:8aa5cdb4ab67 292 *
Jonathan Austin 1:8aa5cdb4ab67 293 * @return 1 if pin is touched, 0 if not, or MICROBIT_NOT_SUPPORTED if this pin does not support touch capability.
Jonathan Austin 1:8aa5cdb4ab67 294 *
Jonathan Austin 1:8aa5cdb4ab67 295 * @code
Jonathan Austin 1:8aa5cdb4ab67 296 * MicroBitMessageBus bus;
Jonathan Austin 1:8aa5cdb4ab67 297 *
Jonathan Austin 1:8aa5cdb4ab67 298 * MicroBitPin P0(MICROBIT_ID_IO_P0, MICROBIT_PIN_P0, PIN_CAPABILITY_ALL);
Jonathan Austin 1:8aa5cdb4ab67 299 * if(P0.isTouched())
Jonathan Austin 1:8aa5cdb4ab67 300 * {
Jonathan Austin 1:8aa5cdb4ab67 301 * //do something!
Jonathan Austin 1:8aa5cdb4ab67 302 * }
Jonathan Austin 1:8aa5cdb4ab67 303 *
Jonathan Austin 1:8aa5cdb4ab67 304 * // subscribe to events generated by this pin!
Jonathan Austin 1:8aa5cdb4ab67 305 * bus.listen(MICROBIT_ID_IO_P0, MICROBIT_BUTTON_EVT_CLICK, someFunction);
Jonathan Austin 1:8aa5cdb4ab67 306 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 307 */
Jonathan Austin 1:8aa5cdb4ab67 308 int isTouched();
Jonathan Austin 1:8aa5cdb4ab67 309
Jonathan Austin 1:8aa5cdb4ab67 310 /**
Jonathan Austin 1:8aa5cdb4ab67 311 * Configures this IO pin as an analog/pwm output if it isn't already, configures the period to be 20ms,
Jonathan Austin 1:8aa5cdb4ab67 312 * and sets the pulse width, based on the value it is given.
Jonathan Austin 1:8aa5cdb4ab67 313 *
Jonathan Austin 1:8aa5cdb4ab67 314 * @param pulseWidth the desired pulse width in microseconds.
Jonathan Austin 1:8aa5cdb4ab67 315 *
Jonathan Austin 1:8aa5cdb4ab67 316 * @return MICROBIT_OK on success, MICROBIT_INVALID_PARAMETER if value is out of range, or MICROBIT_NOT_SUPPORTED
Jonathan Austin 1:8aa5cdb4ab67 317 * if the given pin does not have analog capability.
Jonathan Austin 1:8aa5cdb4ab67 318 */
Jonathan Austin 1:8aa5cdb4ab67 319 int setServoPulseUs(int pulseWidth);
Jonathan Austin 1:8aa5cdb4ab67 320
Jonathan Austin 1:8aa5cdb4ab67 321 /**
Jonathan Austin 1:8aa5cdb4ab67 322 * Configures the PWM period of the analog output to the given value.
Jonathan Austin 1:8aa5cdb4ab67 323 *
Jonathan Austin 1:8aa5cdb4ab67 324 * @param period The new period for the analog output in milliseconds.
Jonathan Austin 1:8aa5cdb4ab67 325 *
Jonathan Austin 1:8aa5cdb4ab67 326 * @return MICROBIT_OK on success, or MICROBIT_NOT_SUPPORTED if the
Jonathan Austin 1:8aa5cdb4ab67 327 * given pin is not configured as an analog output.
Jonathan Austin 1:8aa5cdb4ab67 328 */
Jonathan Austin 1:8aa5cdb4ab67 329 int setAnalogPeriod(int period);
Jonathan Austin 1:8aa5cdb4ab67 330
Jonathan Austin 1:8aa5cdb4ab67 331 /**
Jonathan Austin 1:8aa5cdb4ab67 332 * Configures the PWM period of the analog output to the given value.
Jonathan Austin 1:8aa5cdb4ab67 333 *
Jonathan Austin 1:8aa5cdb4ab67 334 * @param period The new period for the analog output in microseconds.
Jonathan Austin 1:8aa5cdb4ab67 335 *
Jonathan Austin 1:8aa5cdb4ab67 336 * @return MICROBIT_OK on success, or MICROBIT_NOT_SUPPORTED if the
Jonathan Austin 1:8aa5cdb4ab67 337 * given pin is not configured as an analog output.
Jonathan Austin 1:8aa5cdb4ab67 338 */
Jonathan Austin 1:8aa5cdb4ab67 339 int setAnalogPeriodUs(int period);
Jonathan Austin 1:8aa5cdb4ab67 340
Jonathan Austin 1:8aa5cdb4ab67 341 /**
Jonathan Austin 1:8aa5cdb4ab67 342 * Obtains the PWM period of the analog output in microseconds.
Jonathan Austin 1:8aa5cdb4ab67 343 *
Jonathan Austin 1:8aa5cdb4ab67 344 * @return the period on success, or MICROBIT_NOT_SUPPORTED if the
Jonathan Austin 1:8aa5cdb4ab67 345 * given pin is not configured as an analog output.
Jonathan Austin 1:8aa5cdb4ab67 346 */
Jonathan Austin 1:8aa5cdb4ab67 347 int getAnalogPeriodUs();
Jonathan Austin 1:8aa5cdb4ab67 348
Jonathan Austin 1:8aa5cdb4ab67 349 /**
Jonathan Austin 1:8aa5cdb4ab67 350 * Obtains the PWM period of the analog output in milliseconds.
Jonathan Austin 1:8aa5cdb4ab67 351 *
Jonathan Austin 1:8aa5cdb4ab67 352 * @return the period on success, or MICROBIT_NOT_SUPPORTED if the
Jonathan Austin 1:8aa5cdb4ab67 353 * given pin is not configured as an analog output.
Jonathan Austin 1:8aa5cdb4ab67 354 */
Jonathan Austin 1:8aa5cdb4ab67 355 int getAnalogPeriod();
LancasterUniversity 49:88f03f3feff1 356
LancasterUniversity 49:88f03f3feff1 357 /**
LancasterUniversity 49:88f03f3feff1 358 * Configures the pull of this pin.
LancasterUniversity 49:88f03f3feff1 359 *
LancasterUniversity 53:ee44932401cb 360 * @param pull one of the mbed pull configurations: PullUp, PullDown, PullNone
LancasterUniversity 49:88f03f3feff1 361 *
LancasterUniversity 49:88f03f3feff1 362 * @return MICROBIT_NOT_SUPPORTED if the current pin configuration is anything other
LancasterUniversity 49:88f03f3feff1 363 * than a digital input, otherwise MICROBIT_OK.
LancasterUniversity 49:88f03f3feff1 364 */
LancasterUniversity 49:88f03f3feff1 365 int setPull(PinMode pull);
LancasterUniversity 49:88f03f3feff1 366
LancasterUniversity 49:88f03f3feff1 367 /**
LancasterUniversity 49:88f03f3feff1 368 * Configures the events generated by this MicroBitPin instance.
LancasterUniversity 49:88f03f3feff1 369 *
LancasterUniversity 49:88f03f3feff1 370 * MICROBIT_PIN_EVENT_ON_EDGE - Configures this pin to a digital input, and generates events whenever a rise/fall is detected on this pin. (MICROBIT_PIN_EVT_RISE, MICROBIT_PIN_EVT_FALL)
LancasterUniversity 49:88f03f3feff1 371 * MICROBIT_PIN_EVENT_ON_PULSE - Configures this pin to a digital input, and generates events where the timestamp is the duration that this pin was either HI or LO. (MICROBIT_PIN_EVT_PULSE_HI, MICROBIT_PIN_EVT_PULSE_LO)
LancasterUniversity 49:88f03f3feff1 372 * MICROBIT_PIN_EVENT_ON_TOUCH - Configures this pin as a makey makey style touch sensor, in the form of a MicroBitButton. Normal button events will be generated using the ID of this pin.
LancasterUniversity 49:88f03f3feff1 373 * MICROBIT_PIN_EVENT_NONE - Disables events for this pin.
LancasterUniversity 49:88f03f3feff1 374 *
LancasterUniversity 49:88f03f3feff1 375 * @param eventType One of: MICROBIT_PIN_EVENT_ON_EDGE, MICROBIT_PIN_EVENT_ON_PULSE, MICROBIT_PIN_EVENT_ON_TOUCH, MICROBIT_PIN_EVENT_NONE
LancasterUniversity 49:88f03f3feff1 376 *
LancasterUniversity 49:88f03f3feff1 377 * @code
LancasterUniversity 49:88f03f3feff1 378 * MicroBitMessageBus bus;
LancasterUniversity 49:88f03f3feff1 379 *
LancasterUniversity 49:88f03f3feff1 380 * MicroBitPin P0(MICROBIT_ID_IO_P0, MICROBIT_PIN_P0, PIN_CAPABILITY_BOTH);
LancasterUniversity 49:88f03f3feff1 381 * P0.eventOn(MICROBIT_PIN_EVENT_ON_PULSE);
LancasterUniversity 49:88f03f3feff1 382 *
LancasterUniversity 49:88f03f3feff1 383 * void onPulse(MicroBitEvent evt)
LancasterUniversity 49:88f03f3feff1 384 * {
LancasterUniversity 49:88f03f3feff1 385 * int duration = evt.timestamp;
LancasterUniversity 49:88f03f3feff1 386 * }
LancasterUniversity 49:88f03f3feff1 387 *
LancasterUniversity 49:88f03f3feff1 388 * bus.listen(MICROBIT_ID_IO_P0, MICROBIT_PIN_EVT_PULSE_HI, onPulse, MESSAGE_BUS_LISTENER_IMMEDIATE)
LancasterUniversity 49:88f03f3feff1 389 * @endcode
LancasterUniversity 49:88f03f3feff1 390 *
LancasterUniversity 49:88f03f3feff1 391 * @return MICROBIT_OK on success, or MICROBIT_INVALID_PARAMETER if the given eventype does not match
LancasterUniversity 49:88f03f3feff1 392 *
LancasterUniversity 49:88f03f3feff1 393 * @note In the MICROBIT_PIN_EVENT_ON_PULSE mode, the smallest pulse that was reliably detected was 85us, around 5khz. If more precision is required,
LancasterUniversity 49:88f03f3feff1 394 * please use the InterruptIn class supplied by ARM mbed.
LancasterUniversity 49:88f03f3feff1 395 */
LancasterUniversity 49:88f03f3feff1 396 int eventOn(int eventType);
Jonathan Austin 1:8aa5cdb4ab67 397 };
Jonathan Austin 1:8aa5cdb4ab67 398
LancasterUniversity 35:8ce23bc1af38 399 #endif