Rohan Gurav / Mbed OS Sean_AdiSense1000_V21

ADISense1000 Version 2.1 code base

Fork of AdiSense1000_V21 by Sean Wilson

src/mbed/adi_sense_gpio.cpp@7:4dbae381f693, 2017-10-20 (annotated)

Committer:
kevin1990
Date:
Fri Oct 20 15:58:01 2017 +0000
Revision:
7:4dbae381f693
v0.3 release (New Host api)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevin1990 7:4dbae381f693 1 /*!
kevin1990 7:4dbae381f693 2 ******************************************************************************
kevin1990 7:4dbae381f693 3 * @file: adi_sense_gpio.cpp
kevin1990 7:4dbae381f693 4 * @brief: ADI Sense OS-dependent wrapper layer for GPIO interface
kevin1990 7:4dbae381f693 5 *-----------------------------------------------------------------------------
kevin1990 7:4dbae381f693 6 */
kevin1990 7:4dbae381f693 7
kevin1990 7:4dbae381f693 8 /******************************************************************************
kevin1990 7:4dbae381f693 9 Copyright (c) 2017 Emutex Ltd. / Analog Devices, Inc.
kevin1990 7:4dbae381f693 10
kevin1990 7:4dbae381f693 11 All rights reserved.
kevin1990 7:4dbae381f693 12
kevin1990 7:4dbae381f693 13 Redistribution and use in source and binary forms, with or without modification,
kevin1990 7:4dbae381f693 14 are permitted provided that the following conditions are met:
kevin1990 7:4dbae381f693 15 - Redistributions of source code must retain the above copyright notice,
kevin1990 7:4dbae381f693 16 this list of conditions and the following disclaimer.
kevin1990 7:4dbae381f693 17 - Redistributions in binary form must reproduce the above copyright notice,
kevin1990 7:4dbae381f693 18 this list of conditions and the following disclaimer in the documentation
kevin1990 7:4dbae381f693 19 and/or other materials provided with the distribution.
kevin1990 7:4dbae381f693 20 - Modified versions of the software must be conspicuously marked as such.
kevin1990 7:4dbae381f693 21 - This software is licensed solely and exclusively for use with processors
kevin1990 7:4dbae381f693 22 manufactured by or for Analog Devices, Inc.
kevin1990 7:4dbae381f693 23 - This software may not be combined or merged with other code in any manner
kevin1990 7:4dbae381f693 24 that would cause the software to become subject to terms and conditions
kevin1990 7:4dbae381f693 25 which differ from those listed here.
kevin1990 7:4dbae381f693 26 - Neither the name of Analog Devices, Inc. nor the names of its
kevin1990 7:4dbae381f693 27 contributors may be used to endorse or promote products derived
kevin1990 7:4dbae381f693 28 from this software without specific prior written permission.
kevin1990 7:4dbae381f693 29 - The use of this software may or may not infringe the patent rights of one
kevin1990 7:4dbae381f693 30 or more patent holders. This license does not release you from the
kevin1990 7:4dbae381f693 31 requirement that you obtain separate licenses from these patent holders
kevin1990 7:4dbae381f693 32 to use this software.
kevin1990 7:4dbae381f693 33
kevin1990 7:4dbae381f693 34 THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. AND CONTRIBUTORS "AS IS" AND ANY
kevin1990 7:4dbae381f693 35 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
kevin1990 7:4dbae381f693 36 TITLE, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
kevin1990 7:4dbae381f693 37 NO EVENT SHALL ANALOG DEVICES, INC. OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
kevin1990 7:4dbae381f693 38 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES
kevin1990 7:4dbae381f693 39 (INCLUDING, BUT NOT LIMITED TO, DAMAGES ARISING OUT OF CLAIMS OF INTELLECTUAL
kevin1990 7:4dbae381f693 40 PROPERTY RIGHTS INFRINGEMENT; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
kevin1990 7:4dbae381f693 41 OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
kevin1990 7:4dbae381f693 42 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
kevin1990 7:4dbae381f693 43 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
kevin1990 7:4dbae381f693 44 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
kevin1990 7:4dbae381f693 45 *
kevin1990 7:4dbae381f693 46 *****************************************************************************/
kevin1990 7:4dbae381f693 47
kevin1990 7:4dbae381f693 48 #include <mbed.h>
kevin1990 7:4dbae381f693 49
kevin1990 7:4dbae381f693 50 #include "inc/adi_sense_gpio.h"
kevin1990 7:4dbae381f693 51 #include "inc/adi_sense_log.h"
kevin1990 7:4dbae381f693 52
kevin1990 7:4dbae381f693 53 class GpioContext
kevin1990 7:4dbae381f693 54 {
kevin1990 7:4dbae381f693 55 public:
kevin1990 7:4dbae381f693 56 GpioContext(
kevin1990 7:4dbae381f693 57 PinName resetPin,
kevin1990 7:4dbae381f693 58 PinName errorPin,
kevin1990 7:4dbae381f693 59 PinName alertPin,
kevin1990 7:4dbae381f693 60 PinName datareadyPin)
kevin1990 7:4dbae381f693 61 : _reset(resetPin),
kevin1990 7:4dbae381f693 62 _error(errorPin),
kevin1990 7:4dbae381f693 63 _alert(alertPin),
kevin1990 7:4dbae381f693 64 _dataready(datareadyPin),
kevin1990 7:4dbae381f693 65 _errorIrq(errorPin),
kevin1990 7:4dbae381f693 66 _alertIrq(alertPin),
kevin1990 7:4dbae381f693 67 _datareadyIrq(datareadyPin) {}
kevin1990 7:4dbae381f693 68
kevin1990 7:4dbae381f693 69 ADI_SENSE_RESULT get(
kevin1990 7:4dbae381f693 70 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 71 bool_t *pState);
kevin1990 7:4dbae381f693 72
kevin1990 7:4dbae381f693 73 ADI_SENSE_RESULT set(
kevin1990 7:4dbae381f693 74 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 75 bool_t state);
kevin1990 7:4dbae381f693 76
kevin1990 7:4dbae381f693 77 ADI_SENSE_RESULT enableIrq(
kevin1990 7:4dbae381f693 78 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 79 ADI_SENSE_GPIO_CALLBACK callbackFn,
kevin1990 7:4dbae381f693 80 void *pArg);
kevin1990 7:4dbae381f693 81
kevin1990 7:4dbae381f693 82 ADI_SENSE_RESULT disableIrq(
kevin1990 7:4dbae381f693 83 ADI_SENSE_GPIO_PIN ePinId);
kevin1990 7:4dbae381f693 84
kevin1990 7:4dbae381f693 85 private:
kevin1990 7:4dbae381f693 86 DigitalOut _reset;
kevin1990 7:4dbae381f693 87
kevin1990 7:4dbae381f693 88 DigitalIn _error;
kevin1990 7:4dbae381f693 89 DigitalIn _alert;
kevin1990 7:4dbae381f693 90 DigitalIn _dataready;
kevin1990 7:4dbae381f693 91
kevin1990 7:4dbae381f693 92 InterruptIn _errorIrq;
kevin1990 7:4dbae381f693 93 InterruptIn _alertIrq;
kevin1990 7:4dbae381f693 94 InterruptIn _datareadyIrq;
kevin1990 7:4dbae381f693 95
kevin1990 7:4dbae381f693 96 ADI_SENSE_GPIO_CALLBACK _errorIrqCallback;
kevin1990 7:4dbae381f693 97 ADI_SENSE_GPIO_CALLBACK _alertIrqCallback;
kevin1990 7:4dbae381f693 98 ADI_SENSE_GPIO_CALLBACK _datareadyIrqCallback;
kevin1990 7:4dbae381f693 99
kevin1990 7:4dbae381f693 100 void *_errorIrqArg;
kevin1990 7:4dbae381f693 101 void *_alertIrqArg;
kevin1990 7:4dbae381f693 102 void *_datareadyIrqArg;
kevin1990 7:4dbae381f693 103
kevin1990 7:4dbae381f693 104 void _errorIrqHandler()
kevin1990 7:4dbae381f693 105 {
kevin1990 7:4dbae381f693 106 _errorIrqCallback(ADI_SENSE_GPIO_PIN_ERROR, _errorIrqArg);
kevin1990 7:4dbae381f693 107 }
kevin1990 7:4dbae381f693 108 void _alertIrqHandler()
kevin1990 7:4dbae381f693 109 {
kevin1990 7:4dbae381f693 110 _alertIrqCallback(ADI_SENSE_GPIO_PIN_ALERT, _alertIrqArg);
kevin1990 7:4dbae381f693 111 }
kevin1990 7:4dbae381f693 112 void _datareadyIrqHandler()
kevin1990 7:4dbae381f693 113 {
kevin1990 7:4dbae381f693 114 _datareadyIrqCallback(ADI_SENSE_GPIO_PIN_DATAREADY, _datareadyIrqArg);
kevin1990 7:4dbae381f693 115 }
kevin1990 7:4dbae381f693 116 };
kevin1990 7:4dbae381f693 117
kevin1990 7:4dbae381f693 118 ADI_SENSE_RESULT GpioContext::get(
kevin1990 7:4dbae381f693 119 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 120 bool_t *pState)
kevin1990 7:4dbae381f693 121 {
kevin1990 7:4dbae381f693 122 switch(ePinId)
kevin1990 7:4dbae381f693 123 {
kevin1990 7:4dbae381f693 124 case ADI_SENSE_GPIO_PIN_ERROR:
kevin1990 7:4dbae381f693 125 *pState = _error;
kevin1990 7:4dbae381f693 126 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 127 case ADI_SENSE_GPIO_PIN_ALERT:
kevin1990 7:4dbae381f693 128 *pState = _alert;
kevin1990 7:4dbae381f693 129 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 130 case ADI_SENSE_GPIO_PIN_DATAREADY:
kevin1990 7:4dbae381f693 131 *pState = _dataready;
kevin1990 7:4dbae381f693 132 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 133 case ADI_SENSE_GPIO_PIN_RESET:
kevin1990 7:4dbae381f693 134 *pState = _reset;
kevin1990 7:4dbae381f693 135 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 136 default:
kevin1990 7:4dbae381f693 137 return ADI_SENSE_INVALID_DEVICE_NUM;
kevin1990 7:4dbae381f693 138 }
kevin1990 7:4dbae381f693 139 }
kevin1990 7:4dbae381f693 140
kevin1990 7:4dbae381f693 141 ADI_SENSE_RESULT GpioContext::set(
kevin1990 7:4dbae381f693 142 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 143 bool_t state)
kevin1990 7:4dbae381f693 144 {
kevin1990 7:4dbae381f693 145 switch(ePinId)
kevin1990 7:4dbae381f693 146 {
kevin1990 7:4dbae381f693 147 case ADI_SENSE_GPIO_PIN_RESET:
kevin1990 7:4dbae381f693 148 _reset = state;
kevin1990 7:4dbae381f693 149 break;
kevin1990 7:4dbae381f693 150 default:
kevin1990 7:4dbae381f693 151 return ADI_SENSE_INVALID_DEVICE_NUM;
kevin1990 7:4dbae381f693 152 }
kevin1990 7:4dbae381f693 153
kevin1990 7:4dbae381f693 154 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 155 }
kevin1990 7:4dbae381f693 156
kevin1990 7:4dbae381f693 157 ADI_SENSE_RESULT GpioContext::enableIrq(
kevin1990 7:4dbae381f693 158 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 159 ADI_SENSE_GPIO_CALLBACK callbackFn,
kevin1990 7:4dbae381f693 160 void *pArg)
kevin1990 7:4dbae381f693 161 {
kevin1990 7:4dbae381f693 162 switch(ePinId)
kevin1990 7:4dbae381f693 163 {
kevin1990 7:4dbae381f693 164 case ADI_SENSE_GPIO_PIN_ERROR:
kevin1990 7:4dbae381f693 165 _errorIrqCallback = callbackFn;
kevin1990 7:4dbae381f693 166 _errorIrqArg = pArg;
kevin1990 7:4dbae381f693 167 _errorIrq.rise(callback(this, &GpioContext::_errorIrqHandler));
kevin1990 7:4dbae381f693 168 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 169 case ADI_SENSE_GPIO_PIN_ALERT:
kevin1990 7:4dbae381f693 170 _alertIrqCallback = callbackFn;
kevin1990 7:4dbae381f693 171 _alertIrqArg = pArg;
kevin1990 7:4dbae381f693 172 _alertIrq.rise(callback(this, &GpioContext::_alertIrqHandler));
kevin1990 7:4dbae381f693 173 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 174 case ADI_SENSE_GPIO_PIN_DATAREADY:
kevin1990 7:4dbae381f693 175 _datareadyIrqCallback = callbackFn;
kevin1990 7:4dbae381f693 176 _datareadyIrqArg = pArg;
kevin1990 7:4dbae381f693 177 _datareadyIrq.rise(callback(this, &GpioContext::_datareadyIrqHandler));
kevin1990 7:4dbae381f693 178 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 179 default:
kevin1990 7:4dbae381f693 180 return ADI_SENSE_INVALID_DEVICE_NUM;
kevin1990 7:4dbae381f693 181 }
kevin1990 7:4dbae381f693 182 }
kevin1990 7:4dbae381f693 183
kevin1990 7:4dbae381f693 184 ADI_SENSE_RESULT GpioContext::disableIrq(
kevin1990 7:4dbae381f693 185 ADI_SENSE_GPIO_PIN ePinId)
kevin1990 7:4dbae381f693 186 {
kevin1990 7:4dbae381f693 187 switch(ePinId)
kevin1990 7:4dbae381f693 188 {
kevin1990 7:4dbae381f693 189 case ADI_SENSE_GPIO_PIN_ERROR:
kevin1990 7:4dbae381f693 190 _errorIrq.rise(NULL);
kevin1990 7:4dbae381f693 191 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 192 case ADI_SENSE_GPIO_PIN_ALERT:
kevin1990 7:4dbae381f693 193 _alertIrq.rise(NULL);
kevin1990 7:4dbae381f693 194 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 195 case ADI_SENSE_GPIO_PIN_DATAREADY:
kevin1990 7:4dbae381f693 196 _datareadyIrq.rise(NULL);
kevin1990 7:4dbae381f693 197 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 198 default:
kevin1990 7:4dbae381f693 199 return ADI_SENSE_INVALID_DEVICE_NUM;
kevin1990 7:4dbae381f693 200 }
kevin1990 7:4dbae381f693 201 }
kevin1990 7:4dbae381f693 202
kevin1990 7:4dbae381f693 203 #ifdef __cplusplus
kevin1990 7:4dbae381f693 204 extern "C" {
kevin1990 7:4dbae381f693 205 #endif
kevin1990 7:4dbae381f693 206
kevin1990 7:4dbae381f693 207 /*
kevin1990 7:4dbae381f693 208 * Open the GPIO interface and allocate resources
kevin1990 7:4dbae381f693 209 */
kevin1990 7:4dbae381f693 210 ADI_SENSE_RESULT adi_sense_GpioOpen(
kevin1990 7:4dbae381f693 211 ADI_SENSE_PLATFORM_GPIO_CONFIG *pConfig,
kevin1990 7:4dbae381f693 212 ADI_SENSE_GPIO_HANDLE *phDevice)
kevin1990 7:4dbae381f693 213 {
kevin1990 7:4dbae381f693 214 GpioContext *pCtx = new GpioContext((PinName)pConfig->resetPin,
kevin1990 7:4dbae381f693 215 (PinName)pConfig->errorPin,
kevin1990 7:4dbae381f693 216 (PinName)pConfig->alertPin,
kevin1990 7:4dbae381f693 217 (PinName)pConfig->datareadyPin);
kevin1990 7:4dbae381f693 218 if (!pCtx)
kevin1990 7:4dbae381f693 219 {
kevin1990 7:4dbae381f693 220 ADI_SENSE_LOG_ERROR("Failed to allocate memory for GPIO context");
kevin1990 7:4dbae381f693 221 return ADI_SENSE_NO_MEM;
kevin1990 7:4dbae381f693 222 }
kevin1990 7:4dbae381f693 223
kevin1990 7:4dbae381f693 224 *phDevice = reinterpret_cast<ADI_SENSE_GPIO_HANDLE>(pCtx);
kevin1990 7:4dbae381f693 225 return ADI_SENSE_SUCCESS;
kevin1990 7:4dbae381f693 226 }
kevin1990 7:4dbae381f693 227
kevin1990 7:4dbae381f693 228 /*
kevin1990 7:4dbae381f693 229 * Get the state of the specified GPIO pin
kevin1990 7:4dbae381f693 230 */
kevin1990 7:4dbae381f693 231 ADI_SENSE_RESULT adi_sense_GpioGet(
kevin1990 7:4dbae381f693 232 ADI_SENSE_GPIO_HANDLE hDevice,
kevin1990 7:4dbae381f693 233 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 234 bool_t *pbState)
kevin1990 7:4dbae381f693 235 {
kevin1990 7:4dbae381f693 236 GpioContext *pCtx = reinterpret_cast<GpioContext *>(hDevice);
kevin1990 7:4dbae381f693 237
kevin1990 7:4dbae381f693 238 return pCtx->get(ePinId, pbState);
kevin1990 7:4dbae381f693 239 }
kevin1990 7:4dbae381f693 240
kevin1990 7:4dbae381f693 241 /*
kevin1990 7:4dbae381f693 242 * Set the state of the specified GPIO pin
kevin1990 7:4dbae381f693 243 */
kevin1990 7:4dbae381f693 244 ADI_SENSE_RESULT adi_sense_GpioSet(
kevin1990 7:4dbae381f693 245 ADI_SENSE_GPIO_HANDLE hDevice,
kevin1990 7:4dbae381f693 246 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 247 bool_t bState)
kevin1990 7:4dbae381f693 248 {
kevin1990 7:4dbae381f693 249 GpioContext *pCtx = reinterpret_cast<GpioContext *>(hDevice);
kevin1990 7:4dbae381f693 250
kevin1990 7:4dbae381f693 251 return pCtx->set(ePinId, bState);
kevin1990 7:4dbae381f693 252 }
kevin1990 7:4dbae381f693 253
kevin1990 7:4dbae381f693 254 /*
kevin1990 7:4dbae381f693 255 * Enable interrupt notifications on the specified GPIO pin
kevin1990 7:4dbae381f693 256 */
kevin1990 7:4dbae381f693 257 ADI_SENSE_RESULT adi_sense_GpioIrqEnable(
kevin1990 7:4dbae381f693 258 ADI_SENSE_GPIO_HANDLE hDevice,
kevin1990 7:4dbae381f693 259 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 260 ADI_SENSE_GPIO_CALLBACK callback,
kevin1990 7:4dbae381f693 261 void *arg)
kevin1990 7:4dbae381f693 262 {
kevin1990 7:4dbae381f693 263 GpioContext *pCtx = reinterpret_cast<GpioContext *>(hDevice);
kevin1990 7:4dbae381f693 264
kevin1990 7:4dbae381f693 265 return pCtx->enableIrq(ePinId, callback, arg);
kevin1990 7:4dbae381f693 266 }
kevin1990 7:4dbae381f693 267
kevin1990 7:4dbae381f693 268 /*
kevin1990 7:4dbae381f693 269 * Disable interrupt notifications on the specified GPIO pin
kevin1990 7:4dbae381f693 270 */
kevin1990 7:4dbae381f693 271 ADI_SENSE_RESULT adi_sense_GpioIrqDisable(
kevin1990 7:4dbae381f693 272 ADI_SENSE_GPIO_HANDLE hDevice,
kevin1990 7:4dbae381f693 273 ADI_SENSE_GPIO_PIN ePinId)
kevin1990 7:4dbae381f693 274 {
kevin1990 7:4dbae381f693 275 GpioContext *pCtx = reinterpret_cast<GpioContext *>(hDevice);
kevin1990 7:4dbae381f693 276
kevin1990 7:4dbae381f693 277 return pCtx->disableIrq(ePinId);
kevin1990 7:4dbae381f693 278 }
kevin1990 7:4dbae381f693 279
kevin1990 7:4dbae381f693 280 /*
kevin1990 7:4dbae381f693 281 * Close the GPIO interface and free resources
kevin1990 7:4dbae381f693 282 */
kevin1990 7:4dbae381f693 283 void adi_sense_GpioClose(
kevin1990 7:4dbae381f693 284 ADI_SENSE_GPIO_HANDLE hDevice)
kevin1990 7:4dbae381f693 285 {
kevin1990 7:4dbae381f693 286 GpioContext *pCtx = reinterpret_cast<GpioContext *>(hDevice);
kevin1990 7:4dbae381f693 287
kevin1990 7:4dbae381f693 288 delete pCtx;
kevin1990 7:4dbae381f693 289 }
kevin1990 7:4dbae381f693 290
kevin1990 7:4dbae381f693 291 #ifdef __cplusplus
kevin1990 7:4dbae381f693 292 }
kevin1990 7:4dbae381f693 293 #endif
kevin1990 7:4dbae381f693 294