sample_lut_data.c

00001 /*
00002  * File: sample_lut_data.c
00003  * The following example illustrates how individual tables can be declared, and
00004  * later assembled into a complete LUT data structure using adi_sense_1000_AssembleLutData().
00005  * That LUT data structure can then be written to the ADI Sense 1000 device 
00006  * using adi_sense_1000_SetLutData().
00007  */
00008 
00009 #include "adi_sense_1000_lut_data.h"
00010 #include "adi_sense_1000_sensor_types.h"
00011 
00012 /*
00013  * The following table provide linearisation data for a 4-wire bridge sensor
00014  * identified with the ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_1_DEF_L2
00015  * sensor type.  The Look-Up Table provided maps a range of input (X)
00016  * values to a corresponding range of output (Y) values.  In this example,
00017  * the bridge sensor input in millivolts is effectively translated to volts.
00018  */
00019 
00020 ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_1 = 
00021 {
00022     .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
00023     .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
00024     .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
00025     .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_3_DEF_L2 ,
00026     .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
00027     .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
00028     .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
00029 };
00030 
00031 ADI_SENSE_1000_LUT_1D_NES loadcell_1_data = 
00032 {
00033     .nElements = 10,
00034     .lut = 
00035     {
00036         -3300.0f, /* x(min) || mV */
00037         -0.7556152f,
00038         -0.626709f,
00039         -0.5058594f,
00040         -0.3776855f,
00041         -0.1120605f,
00042         0.5334473f,
00043         1.1896973f,
00044         13.340413f,
00045         +3300.0f, /* x(max) || mV */
00046         -0.001f,    /* y(min) || kg */
00047         0.0f,
00048         0.1f,
00049         0.2f,
00050         0.3f,
00051         0.5f,
00052         1.0f,
00053         1.5f,
00054         10.0f,
00055         +100.0f,    /* y(max) || kg */
00056     },
00057 };
00058 
00059 ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_2 = 
00060 {
00061     .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
00062     .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
00063     .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
00064     .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_2_DEF_L2 ,
00065     .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
00066     .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
00067     .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
00068 };
00069 
00070 ADI_SENSE_1000_LUT_1D_NES loadcell_2_data = 
00071 {
00072     .nElements = 10,
00073     .lut = 
00074     {
00075         -3300.0f, /* x(min) || mV */
00076         0.2766113f,   
00077         0.4162598f,
00078         0.5400391f,
00079         0.6694336f,
00080         0.9326172f,
00081         1.5837402f,
00082         2.2387695f,
00083         12.25284823f,
00084         +3300.0f, /* x(max) || mV */
00085         -0.001f,    /* y(min) || kg */
00086         0.0f,
00087         0.1f,
00088         0.2f,
00089         0.3f,
00090         0.5f,
00091         1.0f,
00092         1.5f,
00093         10.0f,
00094         +100.0f,    /* y(max) || kg */
00095     },
00096 };
00097 
00098 ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_3 = 
00099 {
00100     .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
00101     .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
00102     .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
00103     .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_1_DEF_L2 ,
00104     .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
00105     .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
00106     .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
00107 };
00108 
00109 ADI_SENSE_1000_LUT_1D_NES loadcell_3_data = 
00110 {
00111     .nElements = 10,
00112     .lut = 
00113     {
00114         -3300.0f, /* x(min) || mV */
00115         0.2521973f,
00116         0.3740234f,
00117         0.5178223f,
00118         0.6574707f,
00119         0.9311523f,
00120         1.6118164f,
00121         2.3029785f,
00122         13.96175153f,
00123         +3300.0f, /* x(max) || mV */
00124         -0.001f,    /* y(min) || kg */
00125         0.0f,
00126         0.1f,
00127         0.2f,
00128         0.3f,
00129         0.5f,
00130         1.0f,
00131         1.5f,
00132         10.0f,
00133         +100.0f,    /* y(max) || kg */
00134     },
00135 };
00136 
00137 ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_4 = 
00138 {
00139     .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
00140     .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
00141     .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
00142     .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_4_DEF_L2 ,
00143     .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
00144     .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
00145     .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
00146 };
00147 
00148 ADI_SENSE_1000_LUT_1D_NES loadcell_4_data = 
00149 {
00150     .nElements = 10,
00151     .lut = 
00152     {
00153         -3300.0f, /* x(min) || mV */
00154         0.4609375f,
00155         0.5895996f,
00156         0.7226562f,
00157         0.857666f,
00158         1.1184082f,
00159         1.7749023f,
00160         2.432373f,
00161         13.60091103f,
00162         +3300.0f, /* x(max) || mV */
00163         -0.001f,    /* y(min) || kg */
00164         0.0f,
00165         0.1f,
00166         0.2f,
00167         0.3f,
00168         0.5f,
00169         1.0f,
00170         1.5f,
00171         10.0f,
00172         +100.0f,    /* y(max) || kg */
00173     },
00174 };
00175 
00176 
00177 /*
00178  * The following variables can be passed as parameters to
00179  * adi_sense_1000_AssembleLutData()
00180  */
00181 ADI_SENSE_1000_LUT_DESCRIPTOR *sample_lut_desc_list[] = 
00182 {
00183     &loadcell_1,
00184     &loadcell_2,
00185     &loadcell_3,
00186     &loadcell_4,
00187     
00188 };
00189 
00190 ADI_SENSE_1000_LUT_TABLE_DATA  *sample_lut_data_list[] = 
00191 {
00192     
00193     (ADI_SENSE_1000_LUT_TABLE_DATA  *) &loadcell_1_data,
00194     (ADI_SENSE_1000_LUT_TABLE_DATA  *) &loadcell_2_data,
00195     (ADI_SENSE_1000_LUT_TABLE_DATA  *) &loadcell_3_data,
00196     (ADI_SENSE_1000_LUT_TABLE_DATA  *) &loadcell_4_data,
00197     
00198 };
00199 
00200 unsigned sample_lut_num_tables =
00201     (sizeof(sample_lut_desc_list) / sizeof(sample_lut_desc_list[0]));
00202