ADMW1001_Mbed_FW / Mbed OS EV-PRO-MW1001_Development

Mbed Development branch for MeasrueWare

common/utils.c@69:4305ac772a66, 2020-04-20 (annotated)

Committer:
Vkadaba
Date:
Mon Apr 20 06:23:42 2020 +0000
Revision:
69:4305ac772a66
Parent:
67:d36977cbfe90
Child:
70:420fac5132f5
Break if FIFO error is read

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vkadaba 15:b5d57daeb7c0 1 /*
Vkadaba 15:b5d57daeb7c0 2 Copyright 2019 (c) Analog Devices, Inc.
Vkadaba 15:b5d57daeb7c0 3
Vkadaba 15:b5d57daeb7c0 4 All rights reserved.
Vkadaba 15:b5d57daeb7c0 5
Vkadaba 15:b5d57daeb7c0 6 Redistribution and use in source and binary forms, with or without
Vkadaba 15:b5d57daeb7c0 7 modification, are permitted provided that the following conditions are met:
Vkadaba 15:b5d57daeb7c0 8 - Redistributions of source code must retain the above copyright
Vkadaba 15:b5d57daeb7c0 9 notice, this list of conditions and the following disclaimer.
Vkadaba 15:b5d57daeb7c0 10 - Redistributions in binary form must reproduce the above copyright
Vkadaba 15:b5d57daeb7c0 11 notice, this list of conditions and the following disclaimer in
Vkadaba 15:b5d57daeb7c0 12 the documentation and/or other materials provided with the
Vkadaba 15:b5d57daeb7c0 13 distribution.
Vkadaba 15:b5d57daeb7c0 14 - Neither the name of Analog Devices, Inc. nor the names of its
Vkadaba 15:b5d57daeb7c0 15 contributors may be used to endorse or promote products derived
Vkadaba 15:b5d57daeb7c0 16 from this software without specific prior written permission.
Vkadaba 15:b5d57daeb7c0 17 - The use of this software may or may not infringe the patent rights
Vkadaba 15:b5d57daeb7c0 18 of one or more patent holders. This license does not release you
Vkadaba 15:b5d57daeb7c0 19 from the requirement that you obtain separate licenses from these
Vkadaba 15:b5d57daeb7c0 20 patent holders to use this software.
Vkadaba 15:b5d57daeb7c0 21 - Use of the software either in source or binary form, must be run
Vkadaba 15:b5d57daeb7c0 22 on or directly connected to an Analog Devices Inc. component.
Vkadaba 15:b5d57daeb7c0 23
Vkadaba 15:b5d57daeb7c0 24 THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
Vkadaba 15:b5d57daeb7c0 25 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
Vkadaba 15:b5d57daeb7c0 26 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
Vkadaba 15:b5d57daeb7c0 27 IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
Vkadaba 15:b5d57daeb7c0 28 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Vkadaba 15:b5d57daeb7c0 29 LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
Vkadaba 15:b5d57daeb7c0 30 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Vkadaba 15:b5d57daeb7c0 31 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Vkadaba 15:b5d57daeb7c0 32 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Vkadaba 15:b5d57daeb7c0 33 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Vkadaba 15:b5d57daeb7c0 34 */
Vkadaba 15:b5d57daeb7c0 35
Vkadaba 15:b5d57daeb7c0 36 /*!
Vkadaba 15:b5d57daeb7c0 37 ******************************************************************************
Vkadaba 15:b5d57daeb7c0 38 * @file: utils.c
Vkadaba 15:b5d57daeb7c0 39 * @brief: Interface Utilities for ADMW1001
Vkadaba 15:b5d57daeb7c0 40 *-----------------------------------------------------------------------------
Vkadaba 15:b5d57daeb7c0 41 */
ADIJake 0:85855ecd3257 42 #include <stdlib.h>
ADIJake 0:85855ecd3257 43
ADIJake 0:85855ecd3257 44 #include "utils.h"
Vkadaba 5:0728bde67bdb 45 #include "admw_log.h"
ADIJake 0:85855ecd3257 46
ADIJake 0:85855ecd3257 47 void utils_printStatus(
Vkadaba 5:0728bde67bdb 48 ADMW_STATUS *pStatus)
ADIJake 0:85855ecd3257 49 {
Vkadaba 5:0728bde67bdb 50 ADMW_LOG_INFO("Status Summary:");
Vkadaba 67:d36977cbfe90 51
Vkadaba 23:bb685f35b08b 52 if (pStatus->deviceStatus == 0) {
Vkadaba 5:0728bde67bdb 53 ADMW_LOG_INFO("\tNo errors detected");
Vkadaba 23:bb685f35b08b 54 } else {
Vkadaba 5:0728bde67bdb 55 if (pStatus->deviceStatus & ADMW_DEVICE_STATUS_BUSY)
Vkadaba 5:0728bde67bdb 56 ADMW_LOG_INFO("\tCommand running");
Vkadaba 5:0728bde67bdb 57 if (pStatus->deviceStatus & ADMW_DEVICE_STATUS_DATAREADY)
Vkadaba 5:0728bde67bdb 58 ADMW_LOG_INFO("\tData ready");
Vkadaba 5:0728bde67bdb 59 if (pStatus->deviceStatus & ADMW_DEVICE_STATUS_ERROR)
Vkadaba 5:0728bde67bdb 60 ADMW_LOG_INFO("\tActive Errors - RESET REQUIRED");
Vkadaba 5:0728bde67bdb 61 if (pStatus->deviceStatus & ADMW_DEVICE_STATUS_FIFO_ERROR)
Vkadaba 5:0728bde67bdb 62 ADMW_LOG_INFO("\tActive FIFO Errors - ATTENTION REQUIRED");
Vkadaba 67:d36977cbfe90 63 ADMW_LOG_INFO("\tFIFO buffer full");
Vkadaba 67:d36977cbfe90 64 ADMW_LOG_INFO("\tExceeding measurements per cycle limit of %d",MAXIMUM_MEASUREMENTS_PER_CYCLE);
Vkadaba 5:0728bde67bdb 65 if (pStatus->deviceStatus & ADMW_DEVICE_STATUS_CONFIG_ERROR)
Vkadaba 5:0728bde67bdb 66 ADMW_LOG_INFO("\tActive Configuration Errors - ATTENTION REQUIRED");
ADIJake 0:85855ecd3257 67
Vkadaba 23:bb685f35b08b 68 if (pStatus->deviceStatus & ADMW_DEVICE_STATUS_ALERT) {
Vkadaba 5:0728bde67bdb 69 ADMW_LOG_INFO("\tActive Alerts - ATTENTION REQUIRED:");
ADIJake 0:85855ecd3257 70
Vkadaba 23:bb685f35b08b 71 for (unsigned i = 0; i < ADMW1001_MAX_CHANNELS; i++) {
ADIJake 0:85855ecd3257 72 if (pStatus->channelAlerts[i] == 0)
ADIJake 0:85855ecd3257 73 continue;
ADIJake 0:85855ecd3257 74
Vkadaba 5:0728bde67bdb 75 ADMW_LOG_INFO("\t\tChannel #%u:", i);
Vkadaba 32:52445bef314d 76 if (pStatus->channelAlerts[i] & ADMW_ALERT_DETAIL_CH_ADC_NEAR_OVERRANGE)
Vkadaba 32:52445bef314d 77 ADMW_LOG_INFO("\t\t\ADC near overrange detected");
Vkadaba 32:52445bef314d 78 if (pStatus->channelAlerts[i] & ADMW_ALERT_DETAIL_CH_SENSOR_UNDERRANGE)
Vkadaba 32:52445bef314d 79 ADMW_LOG_INFO("\t\t\tSensor underrange detected");
Vkadaba 32:52445bef314d 80 if (pStatus->channelAlerts[i] & ADMW_ALERT_DETAIL_CH_SENSOR_OVERRANGE)
Vkadaba 32:52445bef314d 81 ADMW_LOG_INFO("\t\t\tSensor overrange detected");
Vkadaba 32:52445bef314d 82 if (pStatus->channelAlerts[i] & ADMW_ALERT_DETAIL_CH_CJ_SOFT_FAULT)
Vkadaba 32:52445bef314d 83 ADMW_LOG_INFO("\t\t\tCJC soft fault alert detected");
Vkadaba 32:52445bef314d 84 if (pStatus->channelAlerts[i] & ADMW_ALERT_DETAIL_CH_CJ_HARD_FAULT)
Vkadaba 32:52445bef314d 85 ADMW_LOG_INFO("\t\t\tCJC hard fault alert detected");
Vkadaba 32:52445bef314d 86 if (pStatus->channelAlerts[i] & ADMW_ALERT_DETAIL_CH_ADC_INPUT_OVERRANGE)
Vkadaba 32:52445bef314d 87 ADMW_LOG_INFO("\t\t\tADC input overranage alert detected");
Vkadaba 32:52445bef314d 88 if (pStatus->channelAlerts[i] & ADMW_ALERT_DETAIL_CH_SENSOR_HARDFAULT)
Vkadaba 32:52445bef314d 89 ADMW_LOG_INFO("\t\t\tChannel sensor hardfault alert detected");
ADIJake 0:85855ecd3257 90 }
ADIJake 0:85855ecd3257 91 }
ADIJake 0:85855ecd3257 92 }
ADIJake 0:85855ecd3257 93 }
ADIJake 0:85855ecd3257 94
ADIJake 0:85855ecd3257 95 void utils_printSamples(
Vkadaba 5:0728bde67bdb 96 ADMW_DATA_SAMPLE *pSampleBuffer,
ADIJake 0:85855ecd3257 97 uint32_t nNumSamples,
Vkadaba 5:0728bde67bdb 98 ADMW_MEASUREMENT_MODE eMeasurementMode)
ADIJake 0:85855ecd3257 99 {
Vkadaba 23:bb685f35b08b 100 for (uint32_t i = 0; i < nNumSamples; i++) {
Vkadaba 65:d91e1d63153d 101 ADMW_LOG_INFO("Sample # %2d Channel_ID # %2d :: Raw_Sample %f :: processedValue %f :: flags: ERROR:%X , ALERT:%X",
Vkadaba 23:bb685f35b08b 102 i+1,
Vkadaba 65:d91e1d63153d 103 pSampleBuffer[i].Channel_ID,
Vkadaba 65:d91e1d63153d 104 pSampleBuffer[i].Raw_Sample,
Vkadaba 23:bb685f35b08b 105 pSampleBuffer[i].processedValue,
Vkadaba 65:d91e1d63153d 106 pSampleBuffer[i].Ch_Error,
Vkadaba 65:d91e1d63153d 107 pSampleBuffer[i].Ch_Alert);
Vkadaba 10:14954555be2a 108 }
ADIJake 0:85855ecd3257 109 }
ADIJake 0:85855ecd3257 110
Vkadaba 5:0728bde67bdb 111 static void gpioCallbackFn(ADMW_GPIO_PIN ePinId, void * pArg)
ADIJake 0:85855ecd3257 112 {
ADIJake 0:85855ecd3257 113 volatile bool *pbFlag = (volatile bool *)pArg;
ADIJake 0:85855ecd3257 114 *pbFlag = true;
ADIJake 0:85855ecd3257 115 }
ADIJake 0:85855ecd3257 116
Vkadaba 5:0728bde67bdb 117 ADMW_RESULT utils_registerCallbacks(
Vkadaba 5:0728bde67bdb 118 ADMW_DEVICE_HANDLE hDevice,
ADIJake 0:85855ecd3257 119 volatile bool *pbDataReady,
ADIJake 0:85855ecd3257 120 volatile bool *pbError,
ADIJake 0:85855ecd3257 121 volatile bool *pbAlert)
ADIJake 0:85855ecd3257 122 {
Vkadaba 5:0728bde67bdb 123 ADMW_RESULT res;
ADIJake 0:85855ecd3257 124 bool state;
ADIJake 0:85855ecd3257 125
Vkadaba 5:0728bde67bdb 126 res = admw_RegisterGpioCallback(hDevice, ADMW_GPIO_PIN_DATAREADY,
Vkadaba 23:bb685f35b08b 127 gpioCallbackFn, (void *)pbDataReady);
Vkadaba 23:bb685f35b08b 128 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 129 ADMW_LOG_ERROR("Failed to register DATAREADY callback");
ADIJake 0:85855ecd3257 130 return res;
ADIJake 0:85855ecd3257 131 }
ADIJake 0:85855ecd3257 132
Vkadaba 5:0728bde67bdb 133 res = admw_GetGpioState(hDevice, ADMW_GPIO_PIN_ALERT_ERROR, &state);
Vkadaba 23:bb685f35b08b 134 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 135 ADMW_LOG_ERROR("Failed to get current ERROR state");
ADIJake 0:85855ecd3257 136 return res;
ADIJake 0:85855ecd3257 137 }
Vkadaba 23:bb685f35b08b 138 if (state) {
Vkadaba 5:0728bde67bdb 139 ADMW_LOG_ERROR("ERROR signal already asserted");
Vkadaba 5:0728bde67bdb 140 return ADMW_FAILURE;
ADIJake 0:85855ecd3257 141 }
Vkadaba 5:0728bde67bdb 142 res = admw_RegisterGpioCallback(hDevice, ADMW_GPIO_PIN_ALERT_ERROR,
Vkadaba 23:bb685f35b08b 143 gpioCallbackFn, (void *)pbError);
Vkadaba 23:bb685f35b08b 144 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 145 ADMW_LOG_ERROR("Failed to register ERROR callback");
ADIJake 0:85855ecd3257 146 return res;
ADIJake 0:85855ecd3257 147 }
ADIJake 0:85855ecd3257 148
Vkadaba 5:0728bde67bdb 149 /*res = admw_GetGpioState(hDevice, ADMW_GPIO_PIN_ALERT, &state);
Vkadaba 5:0728bde67bdb 150 if (res != ADMW_SUCCESS)
ADIJake 0:85855ecd3257 151 {
Vkadaba 5:0728bde67bdb 152 ADMW_LOG_ERROR("Failed to get current ALERT state");
ADIJake 0:85855ecd3257 153 return res;
ADIJake 0:85855ecd3257 154 }
ADIJake 0:85855ecd3257 155 if (state)
ADIJake 0:85855ecd3257 156 {
Vkadaba 5:0728bde67bdb 157 ADMW_LOG_ERROR("ALERT signal already asserted");
Vkadaba 5:0728bde67bdb 158 return ADMW_FAILURE;
ADIJake 1:63dd03580de4 159 }*/
Vkadaba 5:0728bde67bdb 160 res = admw_RegisterGpioCallback(hDevice, ADMW_GPIO_PIN_ALERT_ERROR,
Vkadaba 23:bb685f35b08b 161 gpioCallbackFn, (void *)pbAlert);
Vkadaba 23:bb685f35b08b 162 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 163 ADMW_LOG_ERROR("Failed to register ALERT callback");
ADIJake 0:85855ecd3257 164 return res;
ADIJake 0:85855ecd3257 165 }
ADIJake 0:85855ecd3257 166
Vkadaba 5:0728bde67bdb 167 return ADMW_SUCCESS;
ADIJake 0:85855ecd3257 168 }
ADIJake 0:85855ecd3257 169
Vkadaba 5:0728bde67bdb 170 ADMW_RESULT utils_deregisterCallbacks(
Vkadaba 5:0728bde67bdb 171 ADMW_DEVICE_HANDLE hDevice)
ADIJake 0:85855ecd3257 172 {
Vkadaba 5:0728bde67bdb 173 ADMW_RESULT res;
ADIJake 0:85855ecd3257 174
Vkadaba 5:0728bde67bdb 175 res = admw_RegisterGpioCallback(hDevice, ADMW_GPIO_PIN_DATAREADY,
Vkadaba 23:bb685f35b08b 176 NULL, NULL);
Vkadaba 23:bb685f35b08b 177 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 178 ADMW_LOG_ERROR("Failed to deregister DATAREADY callback");
ADIJake 0:85855ecd3257 179 return res;
ADIJake 0:85855ecd3257 180 }
ADIJake 0:85855ecd3257 181
Vkadaba 5:0728bde67bdb 182 res = admw_RegisterGpioCallback(hDevice, ADMW_GPIO_PIN_ALERT_ERROR,
Vkadaba 23:bb685f35b08b 183 NULL, NULL);
Vkadaba 23:bb685f35b08b 184 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 185 ADMW_LOG_ERROR("Failed to deregister ERROR callback");
ADIJake 0:85855ecd3257 186 return res;
ADIJake 0:85855ecd3257 187 }
ADIJake 0:85855ecd3257 188
Vkadaba 5:0728bde67bdb 189 res = admw_RegisterGpioCallback(hDevice, ADMW_GPIO_PIN_ALERT_ERROR,
Vkadaba 23:bb685f35b08b 190 NULL, NULL);
Vkadaba 23:bb685f35b08b 191 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 192 ADMW_LOG_INFO("Failed to deregister ALERT callback");
ADIJake 0:85855ecd3257 193 return res;
ADIJake 0:85855ecd3257 194 }
ADIJake 0:85855ecd3257 195
Vkadaba 5:0728bde67bdb 196 return ADMW_SUCCESS;
ADIJake 0:85855ecd3257 197 }
ADIJake 0:85855ecd3257 198
Vkadaba 5:0728bde67bdb 199 ADMW_RESULT utils_runMeasurement(
Vkadaba 5:0728bde67bdb 200 ADMW_DEVICE_HANDLE hDevice,
Vkadaba 5:0728bde67bdb 201 ADMW_MEASUREMENT_MODE eMeasurementMode)
ADIJake 0:85855ecd3257 202 {
Vkadaba 5:0728bde67bdb 203 ADMW_RESULT res;
ADIJake 0:85855ecd3257 204 volatile bool bDataReady = false;
ADIJake 0:85855ecd3257 205 volatile bool bError = false;
ADIJake 0:85855ecd3257 206 volatile bool bAlert = false;
ADIJake 0:85855ecd3257 207 res = utils_registerCallbacks(hDevice, &bDataReady, &bError, &bAlert);
Vkadaba 5:0728bde67bdb 208 if (res != ADMW_SUCCESS)
ADIJake 0:85855ecd3257 209 return res;
ADIJake 0:85855ecd3257 210
ADIJake 0:85855ecd3257 211 /*
ADIJake 0:85855ecd3257 212 * Retrieve the number of samples per cycle, per DATAREADY pulse, etc. for
ADIJake 0:85855ecd3257 213 * this configuration.
ADIJake 0:85855ecd3257 214 */
Vkadaba 5:0728bde67bdb 215 ADMW1001_OPERATING_MODE eOperatingMode;
Vkadaba 5:0728bde67bdb 216 ADMW1001_DATAREADY_MODE eDataReadyMode;
ADIJake 0:85855ecd3257 217 uint32_t nSamplesPerDataready;
ADIJake 0:85855ecd3257 218 uint32_t nSamplesPerCycle;
ADIJake 0:85855ecd3257 219 uint8_t nBytesPerSample;
Vkadaba 5:0728bde67bdb 220 res = admw1001_GetDataReadyModeInfo(hDevice,
Vkadaba 23:bb685f35b08b 221 eMeasurementMode,
Vkadaba 23:bb685f35b08b 222 &eOperatingMode,
Vkadaba 23:bb685f35b08b 223 &eDataReadyMode,
Vkadaba 23:bb685f35b08b 224 &nSamplesPerDataready,
Vkadaba 23:bb685f35b08b 225 &nSamplesPerCycle,
Vkadaba 23:bb685f35b08b 226 &nBytesPerSample);
Vkadaba 5:0728bde67bdb 227 if (res != ADMW_SUCCESS)
ADIJake 0:85855ecd3257 228 return res;
ADIJake 0:85855ecd3257 229
ADIJake 0:85855ecd3257 230 /*
ADIJake 0:85855ecd3257 231 * Allocate a buffer to store the samples retrieved on each DATAREADY pulse
ADIJake 0:85855ecd3257 232 */
Vkadaba 5:0728bde67bdb 233 ADMW_DATA_SAMPLE *pSampleBuffer;
Vkadaba 5:0728bde67bdb 234 pSampleBuffer = malloc(sizeof(ADMW_DATA_SAMPLE) *
ADIJake 0:85855ecd3257 235 nSamplesPerDataready);
Vkadaba 23:bb685f35b08b 236 if (pSampleBuffer == NULL) {
Vkadaba 5:0728bde67bdb 237 ADMW_LOG_ERROR("Failed to allocate sample buffer");
Vkadaba 5:0728bde67bdb 238 return ADMW_NO_MEM;
ADIJake 0:85855ecd3257 239 }
ADIJake 0:85855ecd3257 240
ADIJake 0:85855ecd3257 241 /*
ADIJake 0:85855ecd3257 242 * Kick off the measurement cycle(s) here
ADIJake 0:85855ecd3257 243 */
Vkadaba 5:0728bde67bdb 244 ADMW_LOG_INFO("Starting measurement");
Vkadaba 5:0728bde67bdb 245 res = admw_StartMeasurement(hDevice, eMeasurementMode);
Vkadaba 23:bb685f35b08b 246 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 247 ADMW_LOG_ERROR("Failed to start measurement");
ADIJake 0:85855ecd3257 248 return res;
ADIJake 0:85855ecd3257 249 }
ADIJake 0:85855ecd3257 250
ADIJake 0:85855ecd3257 251 /*
ADIJake 0:85855ecd3257 252 * Loop continuously unless operating mode is single-cycle
ADIJake 0:85855ecd3257 253 */
ADIJake 0:85855ecd3257 254 uint32_t nSampleCount = 0;
ADIJake 0:85855ecd3257 255 uint32_t nReturned;
Vkadaba 23:bb685f35b08b 256 while (true) {
Vkadaba 67:d36977cbfe90 257 ADMW_STATUS status;
ADIJake 0:85855ecd3257 258
ADIJake 0:85855ecd3257 259 /*
ADIJake 0:85855ecd3257 260 * Wait until the next batch of 1 or more samples is ready, continuously
ADIJake 0:85855ecd3257 261 * checking DATAREADY until it is asserted
ADIJake 0:85855ecd3257 262 */
Vkadaba 69:4305ac772a66 263 //Checking if FIFO error is set
Vkadaba 67:d36977cbfe90 264 res = admw_GetStatus(hDevice, &status);
Vkadaba 67:d36977cbfe90 265 if (res != ADMW_SUCCESS)
Vkadaba 67:d36977cbfe90 266 {
Vkadaba 67:d36977cbfe90 267 ADMW_LOG_ERROR("Failed to retrieve device status");
Vkadaba 67:d36977cbfe90 268 }
Vkadaba 69:4305ac772a66 269 if (status.deviceStatus & ADMW_DEVICE_STATUS_FIFO_ERROR)
Vkadaba 69:4305ac772a66 270 {
Vkadaba 69:4305ac772a66 271 utils_printStatus(&status);
Vkadaba 69:4305ac772a66 272 break;
Vkadaba 69:4305ac772a66 273 }
Vkadaba 39:e255f52072fc 274 while (! (bDataReady || bError));
ADIJake 0:85855ecd3257 275
Vkadaba 39:e255f52072fc 276 if (!bError) {
Vkadaba 39:e255f52072fc 277 /*
Vkadaba 39:e255f52072fc 278 * Get data samples from the measurement cycle, if no error has occurred
Vkadaba 39:e255f52072fc 279 */
Vkadaba 39:e255f52072fc 280 bDataReady = false;
Vkadaba 39:e255f52072fc 281 res = admw_GetData(hDevice, eMeasurementMode, pSampleBuffer,
Vkadaba 39:e255f52072fc 282 nBytesPerSample, nSamplesPerDataready,
Vkadaba 39:e255f52072fc 283 &nReturned);
Vkadaba 39:e255f52072fc 284 if (res != ADMW_SUCCESS) {
Vkadaba 39:e255f52072fc 285 if (res == ADMW_INCOMPLETE) {
Vkadaba 39:e255f52072fc 286 /*
Vkadaba 39:e255f52072fc 287 * This is expected in cases where cycleSkipCount may
Vkadaba 39:e255f52072fc 288 * be non-zero for some channels, resulting in
Vkadaba 39:e255f52072fc 289 * variable-length sequences
Vkadaba 39:e255f52072fc 290 */
Vkadaba 55:215da406282b 291
Vkadaba 39:e255f52072fc 292 ADMW_LOG_DEBUG("Retrieved %u of %u requested data samples",
Vkadaba 56:38b36e947602 293 nReturned, nSamplesPerDataready);
Vkadaba 39:e255f52072fc 294 continue;
Vkadaba 39:e255f52072fc 295 } else {
Vkadaba 39:e255f52072fc 296 ADMW_LOG_WARN("Failed to get data samples from device");
Vkadaba 39:e255f52072fc 297 return res;
Vkadaba 39:e255f52072fc 298 }
ADIJake 0:85855ecd3257 299 }
Vkadaba 39:e255f52072fc 300
Vkadaba 39:e255f52072fc 301 /*
Vkadaba 39:e255f52072fc 302 * Display the data samples.
Vkadaba 39:e255f52072fc 303 *
Vkadaba 39:e255f52072fc 304 * NOTE: this requires a sufficient idle time between subsequent
Vkadaba 39:e255f52072fc 305 * DATAREADY pulses to allow printing to occur. Otherwise,
Vkadaba 39:e255f52072fc 306 * subsequent samples may be missed if not retrieved promptly when
Vkadaba 39:e255f52072fc 307 * the next DATAREADY assertion occurs.
Vkadaba 39:e255f52072fc 308 */
Vkadaba 39:e255f52072fc 309 utils_printSamples(pSampleBuffer, nReturned, eMeasurementMode);
Vkadaba 39:e255f52072fc 310 nSampleCount += nReturned;
ADIJake 0:85855ecd3257 311 }
ADIJake 0:85855ecd3257 312
ADIJake 0:85855ecd3257 313 /*
ADIJake 0:85855ecd3257 314 * Check and print device status if errors/alerts have been triggered
ADIJake 0:85855ecd3257 315 */
Vkadaba 23:bb685f35b08b 316 if (bError || bAlert) {
Vkadaba 5:0728bde67bdb 317 res = admw_GetStatus(hDevice, &status);
Vkadaba 23:bb685f35b08b 318 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 319 ADMW_LOG_ERROR("Failed to retrieve device status");
ADIJake 0:85855ecd3257 320 return res;
ADIJake 0:85855ecd3257 321 }
ADIJake 0:85855ecd3257 322
ADIJake 0:85855ecd3257 323 if (status.deviceStatus &
Vkadaba 23:bb685f35b08b 324 (ADMW_DEVICE_STATUS_ERROR | ADMW_DEVICE_STATUS_ALERT)) {
ADIJake 0:85855ecd3257 325 utils_printStatus(&status);
ADIJake 0:85855ecd3257 326
ADIJake 0:85855ecd3257 327 /* Break out of the loop if any errors are raised */
ADIJake 0:85855ecd3257 328 if (bError)
ADIJake 0:85855ecd3257 329 break;
ADIJake 0:85855ecd3257 330 }
ADIJake 0:85855ecd3257 331 }
ADIJake 0:85855ecd3257 332
Vkadaba 23:bb685f35b08b 333 if (eOperatingMode == ADMW1001_OPERATING_MODE_SINGLECYCLE) {
ADIJake 0:85855ecd3257 334 /*
ADIJake 0:85855ecd3257 335 * In this mode, break out of the loop when the measurement command
ADIJake 0:85855ecd3257 336 * has completed.
ADIJake 0:85855ecd3257 337 *
ADIJake 0:85855ecd3257 338 * One option is to check for the expected number of samples to be
ADIJake 0:85855ecd3257 339 * returned for the cycle. However, cycles may have variable-length
ADIJake 0:85855ecd3257 340 * sequences if the cycleSkipCount option is non-zero for any of the
ADIJake 0:85855ecd3257 341 * channels.
ADIJake 0:85855ecd3257 342 *
ADIJake 0:85855ecd3257 343 * So, instead, we check for the command-running status, which
ADIJake 0:85855ecd3257 344 * will de-assert in this mode when the measurement command has
ADIJake 0:85855ecd3257 345 * completed a single cycle.
ADIJake 0:85855ecd3257 346 */
ADIJake 0:85855ecd3257 347 bool bCommandRunning;
Vkadaba 5:0728bde67bdb 348 res = admw_GetCommandRunningState(hDevice, &bCommandRunning);
Vkadaba 23:bb685f35b08b 349 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 350 ADMW_LOG_ERROR("Failed to get command-running status");
ADIJake 0:85855ecd3257 351 return res;
ADIJake 0:85855ecd3257 352 }
ADIJake 0:85855ecd3257 353
ADIJake 0:85855ecd3257 354 if (!bCommandRunning && !bDataReady)
ADIJake 0:85855ecd3257 355 break;
ADIJake 0:85855ecd3257 356 }
ADIJake 0:85855ecd3257 357 }
ADIJake 0:85855ecd3257 358
Vkadaba 5:0728bde67bdb 359 ADMW_LOG_INFO("Stopping measurement");
Vkadaba 5:0728bde67bdb 360 res = admw_StopMeasurement(hDevice);
Vkadaba 23:bb685f35b08b 361 if (res != ADMW_SUCCESS) {
Vkadaba 5:0728bde67bdb 362 ADMW_LOG_ERROR("Failed to send stop measurement");
ADIJake 0:85855ecd3257 363 return res;
ADIJake 0:85855ecd3257 364 }
ADIJake 0:85855ecd3257 365
ADIJake 0:85855ecd3257 366 free(pSampleBuffer);
ADIJake 0:85855ecd3257 367
ADIJake 0:85855ecd3257 368 res = utils_deregisterCallbacks(hDevice);
Vkadaba 5:0728bde67bdb 369 if (res != ADMW_SUCCESS)
ADIJake 0:85855ecd3257 370 return res;
ADIJake 0:85855ecd3257 371
Vkadaba 5:0728bde67bdb 372 return ADMW_SUCCESS;
ADIJake 0:85855ecd3257 373 }
ADIJake 0:85855ecd3257 374