Diff: thermocouple.h

Revision:

1:f65f6fadda5d

Child:

2:bcfa5a2f21c9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thermocouple.h	Mon Feb 22 05:08:54 2021 +0000
@@ -0,0 +1,230 @@
+/*!
+ *****************************************************************************
+  @file:  thermocouple.h
+
+  @brief:
+
+  @details:
+ -----------------------------------------------------------------------------
+ Copyright (c) 2018, 2020 Analog Devices, Inc.  All rights reserved.
+
+ This software is proprietary to Analog Devices, Inc. and its licensors.
+ By using this software you agree to the terms of the associated
+ Analog Devices Software License Agreement.
+
+*****************************************************************************/
+
+#include "stdint.h"
+
+#ifndef _THERMOCOUPLE_H_
+#define _THERMOCOUPLE_H_
+
+#define DEFINE_LOOKUP_TABLES
+#ifdef DEFINE_LOOKUP_TABLES
+#define TYPE_B_LUT
+#define TYPE_E_LUT
+#define TYPE_J_LUT
+#define TYPE_K_LUT
+#define TYPE_N_LUT
+#define TYPE_R_LUT
+#define TYPE_S_LUT
+#define TYPE_T_LUT
+#endif
+
+class Thermocouple
+{
+private:
+
+public:
+	typedef struct {
+		float min_voltage_range;
+		float max_voltage_range;
+		float coef[16];
+		float power[16];
+		int n;
+	} thermocouple_poly_subrange;
+	Thermocouple();
+	virtual ~Thermocouple();
+	static float convert(float voltage, const thermocouple_poly_subrange range[],
+			     const int n);
+	static float lookup(const int32_t *lut, float voltage,uint16_t size,
+			    int16_t offset);
+	virtual float convert(float voltage) = 0;
+	virtual float convert_inv(float temp) = 0;
+	virtual float lookup(float voltage) = 0;
+	virtual float lookup_inv(float temp) = 0;
+
+};
+
+
+
+
+class Thermocouple_Type_B : public Thermocouple
+{
+public:
+	~Thermocouple_Type_B();
+	static const thermocouple_poly_subrange inv_poly[2];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[2];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_B_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+
+class Thermocouple_Type_E : public Thermocouple
+{
+public:
+	~Thermocouple_Type_E();
+	static const thermocouple_poly_subrange inv_poly[2];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[2];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_E_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+
+class Thermocouple_Type_J : public Thermocouple
+{
+public:
+	~Thermocouple_Type_J();
+	static const thermocouple_poly_subrange inv_poly[2];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[3];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_J_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+
+class Thermocouple_Type_K : public Thermocouple
+{
+public:
+	~Thermocouple_Type_K();
+	static const thermocouple_poly_subrange inv_poly[2];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[3];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_K_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+
+class Thermocouple_Type_N : public Thermocouple
+{
+public:
+	~Thermocouple_Type_N();
+	static const thermocouple_poly_subrange inv_poly[2];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[3];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_N_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+
+class Thermocouple_Type_R : public Thermocouple
+{
+public:
+	~Thermocouple_Type_R();
+	static const thermocouple_poly_subrange inv_poly[3];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[4];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_R_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+
+class Thermocouple_Type_S : public Thermocouple
+{
+public:
+	~Thermocouple_Type_S();
+	static const thermocouple_poly_subrange inv_poly[3];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[4];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_S_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+
+class Thermocouple_Type_T : public Thermocouple
+{
+public:
+	~Thermocouple_Type_T();
+	static const thermocouple_poly_subrange inv_poly[2];
+	static const int inv_poly_size;
+	float convert_inv(float temp);
+
+	static const thermocouple_poly_subrange poly[2];
+	static const int poly_size;
+	float convert(float voltage);
+#ifdef TYPE_T_LUT
+	static const int32_t lut[];
+	static const int16_t lut_offset;
+	static const uint16_t lut_size;
+	float lookup(float voltage);
+	float lookup_inv(float temp);
+#endif
+};
+
+#endif
+