Diff: sample_lut_data.c

Revision:

33:640b6bebda17

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample_lut_data.c	Tue Sep 18 16:46:40 2018 +0000
@@ -0,0 +1,202 @@
+/*
+ * File: sample_lut_data.c
+ * The following example illustrates how individual tables can be declared, and
+ * later assembled into a complete LUT data structure using adi_sense_1000_AssembleLutData().
+ * That LUT data structure can then be written to the ADI Sense 1000 device 
+ * using adi_sense_1000_SetLutData().
+ */
+
+#include "adi_sense_1000_lut_data.h"
+#include "adi_sense_1000_sensor_types.h"
+
+/*
+ * The following table provide linearisation data for a 4-wire bridge sensor
+ * identified with the ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_1_DEF_L2
+ * sensor type.  The Look-Up Table provided maps a range of input (X)
+ * values to a corresponding range of output (Y) values.  In this example,
+ * the bridge sensor input in millivolts is effectively translated to volts.
+ */
+
+ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_1 = 
+{
+    .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
+    .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
+    .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
+    .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_3_DEF_L2,
+    .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
+    .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
+    .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
+};
+
+ADI_SENSE_1000_LUT_1D_NES loadcell_1_data = 
+{
+    .nElements = 10,
+    .lut = 
+    {
+        -3300.0f, /* x(min) || mV */
+        -0.7556152f,
+        -0.626709f,
+        -0.5058594f,
+        -0.3776855f,
+        -0.1120605f,
+        0.5334473f,
+        1.1896973f,
+        13.340413f,
+        +3300.0f, /* x(max) || mV */
+        -0.001f,    /* y(min) || kg */
+        0.0f,
+        0.1f,
+        0.2f,
+        0.3f,
+        0.5f,
+        1.0f,
+        1.5f,
+        10.0f,
+        +100.0f,    /* y(max) || kg */
+    },
+};
+
+ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_2 = 
+{
+    .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
+    .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
+    .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
+    .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_2_DEF_L2,
+    .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
+    .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
+    .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
+};
+
+ADI_SENSE_1000_LUT_1D_NES loadcell_2_data = 
+{
+    .nElements = 10,
+    .lut = 
+    {
+        -3300.0f, /* x(min) || mV */
+        0.2766113f,   
+        0.4162598f,
+        0.5400391f,
+        0.6694336f,
+        0.9326172f,
+        1.5837402f,
+        2.2387695f,
+        12.25284823f,
+        +3300.0f, /* x(max) || mV */
+        -0.001f,    /* y(min) || kg */
+        0.0f,
+        0.1f,
+        0.2f,
+        0.3f,
+        0.5f,
+        1.0f,
+        1.5f,
+        10.0f,
+        +100.0f,    /* y(max) || kg */
+    },
+};
+
+ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_3 = 
+{
+    .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
+    .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
+    .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
+    .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_1_DEF_L2,
+    .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
+    .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
+    .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
+};
+
+ADI_SENSE_1000_LUT_1D_NES loadcell_3_data = 
+{
+    .nElements = 10,
+    .lut = 
+    {
+        -3300.0f, /* x(min) || mV */
+        0.2521973f,
+        0.3740234f,
+        0.5178223f,
+        0.6574707f,
+        0.9311523f,
+        1.6118164f,
+        2.3029785f,
+        13.96175153f,
+        +3300.0f, /* x(max) || mV */
+        -0.001f,    /* y(min) || kg */
+        0.0f,
+        0.1f,
+        0.2f,
+        0.3f,
+        0.5f,
+        1.0f,
+        1.5f,
+        10.0f,
+        +100.0f,    /* y(max) || kg */
+    },
+};
+
+ADI_SENSE_1000_LUT_DESCRIPTOR loadcell_4 = 
+{
+    .geometry = ADI_SENSE_1000_LUT_GEOMETRY_NES_1D,
+    .equation = ADI_SENSE_1000_LUT_EQUATION_LUT,
+    .dir = ADI_SENSE_1000_LUT_TC_DIRECTION_FORWARD,
+    .sensor = ADI_SENSE_1000_ADC_SENSOR_BRIDGE_4WIRE_4_DEF_L2,
+    .dataType = ADI_SENSE_1000_LUT_DATA_TYPE_FLOAT32,
+    .length = 0, /* Filled by adi_sense_1000_AssembleLutData() */
+    .crc16 = 0   /* Filled by adi_sense_1000_AssembleLutData() */
+};
+
+ADI_SENSE_1000_LUT_1D_NES loadcell_4_data = 
+{
+    .nElements = 10,
+    .lut = 
+    {
+        -3300.0f, /* x(min) || mV */
+        0.4609375f,
+        0.5895996f,
+        0.7226562f,
+        0.857666f,
+        1.1184082f,
+        1.7749023f,
+        2.432373f,
+        13.60091103f,
+        +3300.0f, /* x(max) || mV */
+        -0.001f,    /* y(min) || kg */
+        0.0f,
+        0.1f,
+        0.2f,
+        0.3f,
+        0.5f,
+        1.0f,
+        1.5f,
+        10.0f,
+        +100.0f,    /* y(max) || kg */
+    },
+};
+
+
+/*
+ * The following variables can be passed as parameters to
+ * adi_sense_1000_AssembleLutData()
+ */
+ADI_SENSE_1000_LUT_DESCRIPTOR *sample_lut_desc_list[] = 
+{
+    &loadcell_1,
+    &loadcell_2,
+    &loadcell_3,
+    &loadcell_4,
+    
+};
+
+ADI_SENSE_1000_LUT_TABLE_DATA *sample_lut_data_list[] = 
+{
+    
+    (ADI_SENSE_1000_LUT_TABLE_DATA *) &loadcell_1_data,
+    (ADI_SENSE_1000_LUT_TABLE_DATA *) &loadcell_2_data,
+    (ADI_SENSE_1000_LUT_TABLE_DATA *) &loadcell_3_data,
+    (ADI_SENSE_1000_LUT_TABLE_DATA *) &loadcell_4_data,
+    
+};
+
+unsigned sample_lut_num_tables =
+    (sizeof(sample_lut_desc_list) / sizeof(sample_lut_desc_list[0]));
+