main.cpp

00001 /*
00002  ******************************************************************************
00003  * file:   main.cpp
00004  *-----------------------------------------------------------------------------
00005  *
00006 Copyright 2017 (c) Analog Devices, Inc.
00007 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012   - Redistributions of source code must retain the above copyright
00013     notice, this list of conditions and the following disclaimer.
00014   - Redistributions in binary form must reproduce the above copyright
00015     notice, this list of conditions and the following disclaimer in
00016     the documentation and/or other materials provided with the
00017     distribution.
00018   - Neither the name of Analog Devices, Inc. nor the names of its
00019     contributors may be used to endorse or promote products derived
00020     from this software without specific prior written permission.
00021   - The use of this software may or may not infringe the patent rights
00022     of one or more patent holders. This license does not release you
00023     from the requirement that you obtain separate licenses from these
00024     patent holders to use this software.
00025   - Use of the software either in source or binary form, must be run
00026     on or directly connected to an Analog Devices Inc. component.
00027 
00028 THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
00029 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
00030 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00031 IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
00032 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00033 LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
00034 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00035 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00036 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00037 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00038  *
00039  *****************************************************************************/
00040 #include "mbed.h"
00041 #include "inc/adi_sense_api.h"
00042 #include "inc/adi_sense_1000/adi_sense_1000_api.h"
00043 #include "inc/adi_sense_log.h"
00044 #include "common/utils.h"
00045 
00046 extern ADI_SENSE_CONFIG  sensor2_bridge_6w_pressure_config;
00047 
00048 extern ADI_SENSE_1000_LUT_DESCRIPTOR *sample_lut_desc_list[];
00049 extern ADI_SENSE_1000_LUT_TABLE_DATA  *sample_lut_data_list[];
00050 extern unsigned                       sample_lut_num_tables;
00051 
00052 /* Change the following pointer to select any of the configurations above */
00053 static ADI_SENSE_CONFIG  *pSelectedConfig = &sensor2_bridge_6w_pressure_config;
00054 
00055 static ADI_SENSE_CONNECTION  connectionInfo = {
00056     .type  = ADI_SENSE_CONNECTION_TYPE_SPI ,
00057     .spi = {
00058         .mosiPin    = SPI_MOSI,
00059         .misoPin    = SPI_MISO,
00060         .sckPin     = SPI_SCK,
00061         .csPin      = D10,
00062         .maxSpeedHz = 2000000,
00063     },
00064     .gpio = {
00065         .resetPin     = D6,
00066         .errorPin     = D3,
00067         .alertPin     = D4,
00068         .datareadyPin = D5,
00069     },
00070 };
00071 
00072 int main()
00073 {
00074     ADI_SENSE_RESULT  res;
00075     ADI_SENSE_DEVICE_HANDLE  hDevice;
00076     ADI_SENSE_MEASUREMENT_MODE  eMeasurementMode = ADI_SENSE_MEASUREMENT_MODE_NORMAL ;
00077     bool_t bDeviceReady;
00078 
00079     /*
00080      * Open an ADI Sense device instance.
00081      */
00082     res = adi_sense_Open(0, &connectionInfo, &hDevice);
00083     if (res != ADI_SENSE_SUCCESS )
00084     {
00085         ADI_SENSE_LOG_ERROR("Failed to open device instance");
00086         return res;
00087     }
00088 
00089     /*
00090      * Reset the given ADI Sense device....
00091      */
00092     ADI_SENSE_LOG_INFO("Resetting ADI Sense device, please wait...");
00093     res = adi_sense_Reset(hDevice);
00094     if (res != ADI_SENSE_SUCCESS )
00095     {
00096         ADI_SENSE_LOG_ERROR("Failed to reset device");
00097         return res;
00098     }
00099     /*
00100      * ...and wait until the device is ready.
00101      */
00102     do {
00103         wait_ms(100);
00104         res = adi_sense_GetDeviceReadyState(hDevice, &bDeviceReady);
00105         if (res != ADI_SENSE_SUCCESS )
00106         {
00107             ADI_SENSE_LOG_ERROR("Failed to get device ready-state");
00108             return res;
00109         }
00110     } while (! bDeviceReady);
00111     ADI_SENSE_LOG_INFO("ADI Sense device ready");
00112 
00113     /*
00114      * Write configuration settings to the device registers.
00115      * Settings are not applied until adi_sense_ApplyConfigUpdates() is called.
00116      */
00117     ADI_SENSE_LOG_INFO("Setting device configuration");
00118     res = adi_sense_SetConfig(hDevice, pSelectedConfig);
00119     if (res != ADI_SENSE_SUCCESS )
00120     {
00121         ADI_SENSE_LOG_ERROR("Failed to set device configuration");
00122         return res;
00123     }
00124    
00125 
00126     /*
00127      * Assemble the list of user-defined Look-Up Tables from sample_lut_data.c
00128      * into the single contiguous data format required by the device.
00129      */
00130     unsigned lutBufferSize = ADI_SENSE_LUT_MAX_SIZE;
00131     ADI_SENSE_1000_LUT *pLutBuffer = (ADI_SENSE_1000_LUT *) ::operator new (lutBufferSize);
00132     if (pLutBuffer == NULL)
00133     {
00134         ADI_SENSE_LOG_ERROR("Failed to allocate memory for user-defined LUT data buffer");
00135         return ADI_SENSE_NO_MEM ;
00136     }
00137 
00138     ADI_SENSE_LOG_INFO("Assembling LUT data");
00139     res = adi_sense_1000_AssembleLutData(pLutBuffer, lutBufferSize,
00140                                          sample_lut_num_tables,
00141                                          sample_lut_desc_list,
00142                                          sample_lut_data_list);
00143     if (res != ADI_SENSE_SUCCESS )
00144     {
00145         ADI_SENSE_LOG_ERROR("Failed to assemble user-defined LUT data");
00146         return res;
00147     }
00148 
00149     /*
00150      * Write assembled user-defined Look-Up Table data structure to the device
00151      * User-defined LUT data is not applied until adi_sense_ApplyConfigUpdates() is called.
00152      */
00153     ADI_SENSE_LOG_INFO("Setting LUT data");
00154     res = adi_sense_1000_SetLutData(hDevice, pLutBuffer);
00155     if (res != ADI_SENSE_SUCCESS )
00156     {
00157         ADI_SENSE_LOG_ERROR("Failed to set user-defined LUT data");
00158         return res;
00159     }
00160 
00161     delete pLutBuffer;
00162     
00163     res = adi_sense_ApplyConfigUpdates(hDevice);
00164     if (res != ADI_SENSE_SUCCESS )
00165     {
00166         ADI_SENSE_LOG_ERROR("Failed to apply device configuration");
00167         return res;
00168     }
00169     /*
00170      * Kick off the measurement cycle here
00171      */
00172     ADI_SENSE_LOG_INFO("Configuration completed, starting measurement cycles");
00173     utils_runMeasurement(hDevice, eMeasurementMode);
00174 
00175     /*
00176      * Clean up and exit
00177      */
00178     res = adi_sense_Close(hDevice);
00179     if (res != ADI_SENSE_SUCCESS )
00180     {
00181         ADI_SENSE_LOG_ERROR("Failed to close device instance");
00182         return res;
00183     }
00184 
00185     return 0;
00186 }
00187