Ross O'Halloran / Mbed OS Babyseat_NewFirmware_copy_sean

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main.cpp@7:4dbae381f693, 2017-10-20 (annotated)

Committer:
kevin1990
Date:
Fri Oct 20 15:58:01 2017 +0000
Revision:
7:4dbae381f693
Parent:
5:dbb2b71a59ed 
v0.3 release (New Host api)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevin1990 5:dbb2b71a59ed 1 /*
kevin1990 3:3796776e2c27 2 ******************************************************************************
kevin1990 5:dbb2b71a59ed 3 * file: main.cpp
kevin1990 3:3796776e2c27 4 *-----------------------------------------------------------------------------
kevin1990 7:4dbae381f693 5 */
kevin1990 7:4dbae381f693 6
kevin1990 7:4dbae381f693 7 /*
kevin1990 3:3796776e2c27 8 Copyright (c) 2017 Emutex Ltd. / Analog Devices, Inc.
kevin1990 3:3796776e2c27 9
kevin1990 3:3796776e2c27 10 All rights reserved.
kevin1990 3:3796776e2c27 11
kevin1990 3:3796776e2c27 12 Redistribution and use in source and binary forms, with or without modification,
kevin1990 3:3796776e2c27 13 are permitted provided that the following conditions are met:
kevin1990 3:3796776e2c27 14 - Redistributions of source code must retain the above copyright notice,
kevin1990 3:3796776e2c27 15 this list of conditions and the following disclaimer.
kevin1990 3:3796776e2c27 16 - Redistributions in binary form must reproduce the above copyright notice,
kevin1990 3:3796776e2c27 17 this list of conditions and the following disclaimer in the documentation
kevin1990 3:3796776e2c27 18 and/or other materials provided with the distribution.
kevin1990 3:3796776e2c27 19 - Modified versions of the software must be conspicuously marked as such.
kevin1990 3:3796776e2c27 20 - This software is licensed solely and exclusively for use with processors
kevin1990 3:3796776e2c27 21 manufactured by or for Analog Devices, Inc.
kevin1990 3:3796776e2c27 22 - This software may not be combined or merged with other code in any manner
kevin1990 3:3796776e2c27 23 that would cause the software to become subject to terms and conditions
kevin1990 3:3796776e2c27 24 which differ from those listed here.
kevin1990 3:3796776e2c27 25 - Neither the name of Analog Devices, Inc. nor the names of its
kevin1990 3:3796776e2c27 26 contributors may be used to endorse or promote products derived
kevin1990 3:3796776e2c27 27 from this software without specific prior written permission.
kevin1990 3:3796776e2c27 28 - The use of this software may or may not infringe the patent rights of one
kevin1990 3:3796776e2c27 29 or more patent holders. This license does not release you from the
kevin1990 3:3796776e2c27 30 requirement that you obtain separate licenses from these patent holders
kevin1990 3:3796776e2c27 31 to use this software.
kevin1990 3:3796776e2c27 32
kevin1990 3:3796776e2c27 33 THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. AND CONTRIBUTORS "AS IS" AND ANY
kevin1990 3:3796776e2c27 34 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
kevin1990 3:3796776e2c27 35 TITLE, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
kevin1990 3:3796776e2c27 36 NO EVENT SHALL ANALOG DEVICES, INC. OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
kevin1990 3:3796776e2c27 37 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES
kevin1990 3:3796776e2c27 38 (INCLUDING, BUT NOT LIMITED TO, DAMAGES ARISING OUT OF CLAIMS OF INTELLECTUAL
kevin1990 3:3796776e2c27 39 PROPERTY RIGHTS INFRINGEMENT; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
kevin1990 3:3796776e2c27 40 OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
kevin1990 3:3796776e2c27 41 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
kevin1990 3:3796776e2c27 42 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
kevin1990 3:3796776e2c27 43 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
kevin1990 7:4dbae381f693 44 */
kevin1990 3:3796776e2c27 45
kevin1990 7:4dbae381f693 46 #include "mbed.h"
kevin1990 7:4dbae381f693 47 #include "inc/adi_sense_api.h"
kevin1990 7:4dbae381f693 48 #include "inc/adi_sense_log.h"
kevin1990 3:3796776e2c27 49
kevin1990 7:4dbae381f693 50 /* Define an arbitrary number of measurement cycles to execute */
kevin1990 7:4dbae381f693 51 #define MAX_MEASUREMENT_CYCLES 10
kevin1990 3:3796776e2c27 52
kevin1990 7:4dbae381f693 53 #define ADI_SENSE_DEVICE_INDEX (0)
kevin1990 5:dbb2b71a59ed 54
kevin1990 7:4dbae381f693 55 #define ASSERT(x) \
kevin1990 7:4dbae381f693 56 do { \
kevin1990 7:4dbae381f693 57 if (!(x)) \
kevin1990 7:4dbae381f693 58 { \
kevin1990 7:4dbae381f693 59 ADI_SENSE_LOG_ERROR("Assertion failed on line %d of %s", \
kevin1990 7:4dbae381f693 60 __LINE__, __FILE__); \
kevin1990 7:4dbae381f693 61 exit(1); \
kevin1990 7:4dbae381f693 62 } \
kevin1990 7:4dbae381f693 63 } while(0)
kevin1990 3:3796776e2c27 64
kevin1990 7:4dbae381f693 65 extern ADI_SENSE_CONFIG adi_sense_config;
kevin1990 7:4dbae381f693 66 extern ADI_SENSE_DSP_LUT_RAW adi_sense_dsp_lut;
kevin1990 5:dbb2b71a59ed 67
kevin1990 7:4dbae381f693 68 static ADI_SENSE_CONNECTION connectionInfo = {
kevin1990 7:4dbae381f693 69 .type = ADI_SENSE_CONNECTION_TYPE_SPI,
kevin1990 7:4dbae381f693 70 .spi = {
kevin1990 7:4dbae381f693 71 .mosiPin = SPI_MOSI,
kevin1990 7:4dbae381f693 72 .misoPin = SPI_MISO,
kevin1990 7:4dbae381f693 73 .sckPin = SPI_SCK,
kevin1990 7:4dbae381f693 74 .csPin = D10,
kevin1990 7:4dbae381f693 75 .maxSpeedHz = 2000000,
kevin1990 7:4dbae381f693 76 },
kevin1990 7:4dbae381f693 77 .gpio = {
kevin1990 7:4dbae381f693 78 .resetPin = D6,
kevin1990 7:4dbae381f693 79 .errorPin = D3,
kevin1990 7:4dbae381f693 80 .alertPin = D4,
kevin1990 7:4dbae381f693 81 .datareadyPin = D5,
kevin1990 7:4dbae381f693 82 },
kevin1990 7:4dbae381f693 83 };
kevin1990 3:3796776e2c27 84
kevin1990 3:3796776e2c27 85
kevin1990 7:4dbae381f693 86 static void printSamples(ADI_SENSE_DATA_SAMPLE *pSampleBuffer, unsigned count)
kevin1990 3:3796776e2c27 87 {
kevin1990 7:4dbae381f693 88 for (unsigned i = 0; i < count; i++)
kevin1990 7:4dbae381f693 89 {
kevin1990 7:4dbae381f693 90 ADI_SENSE_LOG_DEBUG("sample %3u/%u: channel=%2u, value=%10f, raw=%10u, flags: %s %s",
kevin1990 7:4dbae381f693 91 i+1, count,
kevin1990 7:4dbae381f693 92 pSampleBuffer[i].channelId,
kevin1990 7:4dbae381f693 93 pSampleBuffer[i].processedValue,
kevin1990 7:4dbae381f693 94 pSampleBuffer[i].rawValue,
kevin1990 7:4dbae381f693 95 pSampleBuffer[i].status & ADI_SENSE_DEVICE_STATUS_ERROR ? "ERROR" : "",
kevin1990 7:4dbae381f693 96 pSampleBuffer[i].status & ADI_SENSE_DEVICE_STATUS_ALERT ? "ALERT" : "");
kevin1990 7:4dbae381f693 97 }
kevin1990 3:3796776e2c27 98 }
kevin1990 3:3796776e2c27 99
kevin1990 7:4dbae381f693 100 static void datareadyCallback(
kevin1990 7:4dbae381f693 101 ADI_SENSE_GPIO_PIN ePinId,
kevin1990 7:4dbae381f693 102 void *pArg)
kevin1990 5:dbb2b71a59ed 103 {
kevin1990 7:4dbae381f693 104 volatile bool_t *pbDataready = (volatile bool_t *) pArg;
kevin1990 3:3796776e2c27 105
kevin1990 7:4dbae381f693 106 *pbDataready = true;
kevin1990 5:dbb2b71a59ed 107 }
kevin1990 5:dbb2b71a59ed 108
kevin1990 7:4dbae381f693 109 int main()
kevin1990 5:dbb2b71a59ed 110 {
kevin1990 7:4dbae381f693 111 ADI_SENSE_DEVICE_HANDLE hDevice;
kevin1990 7:4dbae381f693 112 ADI_SENSE_PRODUCT_ID productId;
kevin1990 7:4dbae381f693 113 ADI_SENSE_DATA_SAMPLE *pSampleBuffer;
kevin1990 7:4dbae381f693 114 ADI_SENSE_OPERATING_MODE eOperatingMode;
kevin1990 7:4dbae381f693 115 ADI_SENSE_DATA_PUBLISH_MODE eDataPublishMode;
kevin1990 7:4dbae381f693 116 uint32_t nSamplesPerDataready;
kevin1990 7:4dbae381f693 117 uint32_t nSamplesPerCycle;
kevin1990 7:4dbae381f693 118 bool_t bDeviceReady;
kevin1990 7:4dbae381f693 119
kevin1990 7:4dbae381f693 120 /*
kevin1990 7:4dbae381f693 121 * Open an ADI Sense device instance.
kevin1990 7:4dbae381f693 122 */
kevin1990 7:4dbae381f693 123 ASSERT(adi_sense_Open(0, &connectionInfo, &hDevice) == ADI_SENSE_SUCCESS);
kevin1990 5:dbb2b71a59ed 124
kevin1990 7:4dbae381f693 125 /*
kevin1990 7:4dbae381f693 126 * Reset the given ADI Sense device, and wait until the device is ready.
kevin1990 7:4dbae381f693 127 */
kevin1990 7:4dbae381f693 128 ADI_SENSE_LOG_INFO("Resetting ADI Sense device, please wait...");
kevin1990 7:4dbae381f693 129 ASSERT(adi_sense_Reset(hDevice) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 130
kevin1990 7:4dbae381f693 131 /*
kevin1990 7:4dbae381f693 132 * Wait until the device is ready.
kevin1990 7:4dbae381f693 133 */
kevin1990 7:4dbae381f693 134 do {
kevin1990 7:4dbae381f693 135 wait_ms(100);
kevin1990 7:4dbae381f693 136 ASSERT(adi_sense_GetDeviceReadyState(hDevice, &bDeviceReady) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 137 } while (! bDeviceReady);
kevin1990 7:4dbae381f693 138 ADI_SENSE_LOG_INFO("ADI Sense device ready");
kevin1990 5:dbb2b71a59ed 139
kevin1990 7:4dbae381f693 140 /*
kevin1990 7:4dbae381f693 141 * Read the product ID from the device registers.
kevin1990 7:4dbae381f693 142 */
kevin1990 7:4dbae381f693 143 ASSERT(adi_sense_GetProductID(hDevice, &productId) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 144 ADI_SENSE_LOG_INFO("Product ID: 0x%04X", productId);
kevin1990 7:4dbae381f693 145
kevin1990 7:4dbae381f693 146 /*
kevin1990 7:4dbae381f693 147 * Write configuration settings to the device registers.
kevin1990 7:4dbae381f693 148 * Settings are not applied until adi_sense_ApplyConfigUpdates() is called.
kevin1990 7:4dbae381f693 149 */
kevin1990 7:4dbae381f693 150 ASSERT(adi_sense_SetDeviceConfig(hDevice, &adi_sense_config) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 151 ASSERT(adi_sense_SetDspData(hDevice, &adi_sense_dsp_lut) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 152 ASSERT(adi_sense_ApplyConfigUpdates(hDevice) == ADI_SENSE_SUCCESS);
kevin1990 5:dbb2b71a59ed 153
kevin1990 7:4dbae381f693 154 /*
kevin1990 7:4dbae381f693 155 * Allocate a buffer to store the samples retreived on each DATAREADY pulse
kevin1990 7:4dbae381f693 156 */
kevin1990 7:4dbae381f693 157 ASSERT(adi_sense_GetDataPublishingInfo(hDevice,
kevin1990 7:4dbae381f693 158 &eOperatingMode,
kevin1990 7:4dbae381f693 159 &eDataPublishMode,
kevin1990 7:4dbae381f693 160 &nSamplesPerDataready,
kevin1990 7:4dbae381f693 161 &nSamplesPerCycle) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 162 pSampleBuffer = new ADI_SENSE_DATA_SAMPLE[nSamplesPerDataready];
kevin1990 7:4dbae381f693 163 ASSERT(pSampleBuffer != NULL);
kevin1990 5:dbb2b71a59ed 164
kevin1990 7:4dbae381f693 165 ADI_SENSE_LOG_INFO("Configuration loaded and applied, starting measurement cycles");
kevin1990 7:4dbae381f693 166
kevin1990 7:4dbae381f693 167 if (eOperatingMode == ADI_SENSE_OPERATING_MODE_SINGLECYCLE)
kevin1990 7:4dbae381f693 168 {
kevin1990 7:4dbae381f693 169 uint32_t nTotalCycles = 0;
kevin1990 5:dbb2b71a59ed 170
kevin1990 7:4dbae381f693 171 /* For demonstration reasons only, we're using interrupt-triggered DATAREADY
kevin1990 7:4dbae381f693 172 * notifications in this mode */
kevin1990 7:4dbae381f693 173 volatile bool_t bDataReady = false;
kevin1990 7:4dbae381f693 174 ASSERT(adi_sense_RegisterGpioCallback(hDevice, ADI_SENSE_GPIO_PIN_DATAREADY,
kevin1990 7:4dbae381f693 175 datareadyCallback,
kevin1990 7:4dbae381f693 176 (void *)&bDataReady) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 177
kevin1990 7:4dbae381f693 178 do
kevin1990 7:4dbae381f693 179 {
kevin1990 7:4dbae381f693 180 ASSERT(adi_sense_StartMeasurement(hDevice) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 181
kevin1990 7:4dbae381f693 182 for (unsigned i = 0; i < nSamplesPerCycle / nSamplesPerDataready; i++)
kevin1990 7:4dbae381f693 183 {
kevin1990 7:4dbae381f693 184 uint32_t nReturned;
kevin1990 5:dbb2b71a59ed 185
kevin1990 7:4dbae381f693 186 /*
kevin1990 7:4dbae381f693 187 * Interrupt method: wait for DATAREADY interrupt callback
kevin1990 7:4dbae381f693 188 *
kevin1990 7:4dbae381f693 189 * Note that we could potentially enter a sleep mode here if this
kevin1990 7:4dbae381f693 190 * GPIO interrupt is capable of waking the CPU...
kevin1990 7:4dbae381f693 191 */
kevin1990 7:4dbae381f693 192 while (! bDataReady)
kevin1990 7:4dbae381f693 193 ;
kevin1990 7:4dbae381f693 194 /* Reset bDataReady flag to detect the next callback */
kevin1990 7:4dbae381f693 195 bDataReady = false;
kevin1990 7:4dbae381f693 196
kevin1990 7:4dbae381f693 197 ASSERT(adi_sense_GetData(hDevice, pSampleBuffer, nSamplesPerDataready, &nReturned) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 198 ASSERT(nReturned == nSamplesPerDataready);
kevin1990 7:4dbae381f693 199
kevin1990 7:4dbae381f693 200 printSamples(pSampleBuffer, nReturned);
kevin1990 7:4dbae381f693 201 }
kevin1990 7:4dbae381f693 202 nTotalCycles++;
kevin1990 5:dbb2b71a59ed 203
kevin1990 7:4dbae381f693 204 } while (nTotalCycles < MAX_MEASUREMENT_CYCLES);
kevin1990 7:4dbae381f693 205 }
kevin1990 7:4dbae381f693 206 else
kevin1990 7:4dbae381f693 207 {
kevin1990 7:4dbae381f693 208 uint32_t nTotalSamples = 0;
kevin1990 7:4dbae381f693 209 bool_t bDataReady = false;
kevin1990 5:dbb2b71a59ed 210
kevin1990 7:4dbae381f693 211 ASSERT(adi_sense_StartMeasurement(hDevice) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 212
kevin1990 7:4dbae381f693 213 do
kevin1990 7:4dbae381f693 214 {
kevin1990 7:4dbae381f693 215 uint32_t nReturned;
kevin1990 5:dbb2b71a59ed 216
kevin1990 7:4dbae381f693 217 /* Polling method: continuously check DATAREADY until it is asserted */
kevin1990 7:4dbae381f693 218 do {
kevin1990 7:4dbae381f693 219 ASSERT(adi_sense_GetGpioState(hDevice, ADI_SENSE_GPIO_PIN_DATAREADY, &bDataReady) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 220 } while (! bDataReady);
kevin1990 7:4dbae381f693 221
kevin1990 7:4dbae381f693 222 ASSERT(adi_sense_GetData(hDevice, pSampleBuffer, nSamplesPerDataready, &nReturned) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 223 ASSERT(nReturned == nSamplesPerDataready);
kevin1990 7:4dbae381f693 224 nTotalSamples += nReturned;
kevin1990 5:dbb2b71a59ed 225
kevin1990 7:4dbae381f693 226 printSamples(pSampleBuffer, nReturned);
kevin1990 7:4dbae381f693 227 } while ((nTotalSamples / nSamplesPerCycle) < MAX_MEASUREMENT_CYCLES);
kevin1990 5:dbb2b71a59ed 228
kevin1990 7:4dbae381f693 229 ASSERT(adi_sense_StopMeasurement(hDevice) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 230 }
kevin1990 7:4dbae381f693 231 delete [] pSampleBuffer;
kevin1990 7:4dbae381f693 232
kevin1990 7:4dbae381f693 233 ASSERT(adi_sense_Close(hDevice) == ADI_SENSE_SUCCESS);
kevin1990 7:4dbae381f693 234
kevin1990 7:4dbae381f693 235 return 0;
kevin1990 3:3796776e2c27 236 }
kevin1990 2:625a45555a85 237