mirror of https://github.com/arendst/Tasmota.git
Add MAX31865 specific setting per sensor
This commit is contained in:
Norbert Richter
parent
5a4de23730
commit
0e294294eb
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@ -710,10 +710,10 @@
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//#define USE_MAX31855 // Add support for MAX31855/MAX6675 K-Type thermocouple sensor using softSPI
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//#define USE_MAX31865 // Add support for MAX31865 RTD sensors using softSPI
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#define MAX31865_PTD_WIRES 2 // PTDs come in several flavors. Pick yours
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#define MAX31865_PTD_RES 100 // Nominal PTD resistance at 0°C (100Ω for a PT100, 1000Ω for a PT1000, YMMV!)
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#define MAX31865_REF_RES 430 // Reference resistor (Usually 430Ω for a PT100, 4300Ω for a PT1000)
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#define MAX31865_PTD_BIAS 0 // To calibrate your not-so-good PTD
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#define MAX31865_PTD_WIRES 2 // PTDs come in several flavors, pick yours. Specific settings per sensor possible with MAX31865_PTD_WIRES1..MAX31865_PTD_WIRES6
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#define MAX31865_PTD_RES 100 // Nominal PTD resistance at 0°C (100Ω for a PT100, 1000Ω for a PT1000, YMMV!). Specific settings per sensor possible with MAX31865_PTD_RES1..MAX31865_PTD_RES6
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#define MAX31865_REF_RES 430 // Reference resistor (Usually 430Ω for a PT100, 4300Ω for a PT1000). Specific settings per sensor possible with MAX31865_REF_RES1..MAX31865_REF_RES6
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#define MAX31865_PTD_BIAS 0 // To calibrate your not-so-good PTD. Specific settings per sensor possible with MAX31865_PTD_BIAS1..MAX31865_PTD_BIAS6
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//#define USE_LMT01 // Add support for TI LMT01 temperature sensor, count pulses on single GPIO (+0k5 code)
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//#define USE_WIEGAND // Add support for 24/26/32/34 bit RFID Wiegand interface (D0/D1) (+1k7 code)
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@ -1,7 +1,7 @@
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/*
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xsns_39_MAX31865.ino - MAX31865 thermocouple sensor support for Tasmota
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Copyright (C) 2021 Alberto Lopez Siemens
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Copyright (C) 2020 Alberto Lopez Siemens
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -24,15 +24,122 @@
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#define XSNS_47 47
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#if MAX31865_PTD_WIRES == 4
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#define PTD_WIRES MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define PTD_WIRES MAX31865_3WIRE
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#else
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#define PTD_WIRES MAX31865_2WIRE
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#include "Adafruit_MAX31865.h"
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// set defaults if not defined
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#ifndef MAX31865_PTD_WIRES
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#define MAX31865_PTD_WIRES 2
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#endif
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#ifndef MAX31865_PTD_RES
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#define MAX31865_PTD_RES 100
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#endif
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#ifndef MAX31865_REF_RES
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#define MAX31865_REF_RES 430
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#endif
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#ifndef MAX31865_PTD_BIAS
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#define MAX31865_PTD_BIAS 0
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#endif
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#ifndef MAX31865_PTD_LOW_RES
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#define MAX31865_PTD_LOW_RES 0
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#endif
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#ifndef MAX31865_PTD_HIGH_RES
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#define MAX31865_PTD_HIGH_RES 0xffff
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#endif
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#include "Adafruit_MAX31865.h"
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#if MAX31865_PTD_WIRES == 4
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#define MAX31865_PTD_WIRESCFG MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define MAX31865_PTD_WIRESCFG MAX31865_3WIRE
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#else
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#define MAX31865_PTD_WIRESCFG MAX31865_2WIRE
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#endif // MAX31865_PTD_WIRES
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#ifdef MAX31865_PTD_WIRES1
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#if MAX31865_PTD_WIRES1 == 4
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#define MAX31865_PTD_WIRES1CFG MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define MAX31865_PTD_WIRES1CFG MAX31865_3WIRE
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#else
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#define MAX31865_PTD_WIRES1CFG MAX31865_2WIRE
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#endif
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#endif // MAX31865_PTD_WIRES1
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#ifdef MAX31865_PTD_WIRES2
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#if MAX31865_PTD_WIRES2 == 4
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#define MAX31865_PTD_WIRES2CFG MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define MAX31865_PTD_WIRES2CFG MAX31865_3WIRE
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#else
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#define MAX31865_PTD_WIRES2CFG MAX31865_2WIRE
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#endif
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#endif // MAX31865_PTD_WIRES2
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#ifdef MAX31865_PTD_WIRES3
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#if MAX31865_PTD_WIRES3 == 4
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#define MAX31865_PTD_WIRES3CFG MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define MAX31865_PTD_WIRES3CFG MAX31865_3WIRE
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#else
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#define MAX31865_PTD_WIRES3CFG MAX31865_2WIRE
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#endif
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#endif // MAX31865_PTD_WIRE3
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#ifdef MAX31865_PTD_WIRES4
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#if MAX31865_PTD_WIRES4 == 4
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#define MAX31865_PTD_WIRES4CFG MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define MAX31865_PTD_WIRES4CFG MAX31865_3WIRE
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#else
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#define MAX31865_PTD_WIRES4CFG MAX31865_2WIRE
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#endif
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#endif // MAX31865_PTD_WIRES4
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#ifdef MAX31865_PTD_WIRES5
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#if MAX31865_PTD_WIRES5 == 4
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#define MAX31865_PTD_WIRES5CFG MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define MAX31865_PTD_WIRES5CFG MAX31865_3WIRE
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#else
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#define MAX31865_PTD_WIRES5CFG MAX31865_2WIRE
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#endif
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#endif // MAX31865_PTD_WIRES5
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#ifdef MAX31865_PTD_WIRES6
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#if MAX31865_PTD_WIRES6 == 4
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#define MAX31865_PTD_WIRES6CFG MAX31865_4WIRE
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#elif MAX31865_PTD_WIRES == 3
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#define MAX31865_PTD_WIRES6CFG MAX31865_3WIRE
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#else
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#define MAX31865_PTD_WIRES6CFG MAX31865_2WIRE
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#endif
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#endif // MAX31865_PTD_WIRES6
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float RefRes [] = {
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#ifdef MAX31865_REF_RES1
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MAX31865_REF_RES1,
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#else
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MAX31865_REF_RES,
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#endif
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#ifdef MAX31865_REF_RES2
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MAX31865_REF_RES2,
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#else
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MAX31865_REF_RES,
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#endif
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#ifdef MAX31865_REF_RES3
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MAX31865_REF_RES3,
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#else
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MAX31865_REF_RES,
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#endif
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#ifdef MAX31865_REF_RES4
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MAX31865_REF_RES4,
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#else
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MAX31865_REF_RES,
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#endif
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#ifdef MAX31865_REF_RES5
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MAX31865_REF_RES5,
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#else
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MAX31865_REF_RES,
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#endif
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#ifdef MAX31865_REF_RES6
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MAX31865_REF_RES6
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#else
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MAX31865_REF_RES
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#endif
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};
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int8_t max31865_init_status = 0;
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uint8_t max31865_pins_used = 0; //used as a bit array
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@ -49,6 +156,103 @@ struct MAX31865_Result_Struct {
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void MAX31865_Init(void) {
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if (max31865_init_status) { return; }
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max31865_numwires_t PtdWires [] = {
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#ifdef MAX31865_PTD_WIRES1
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MAX31865_PTD_WIRES1CFG,
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#else
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MAX31865_PTD_WIRESCFG,
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#endif
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#ifdef MAX31865_PTD_WIRES2
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MAX31865_PTD_WIRES2CFG,
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#else
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MAX31865_PTD_WIRESCFG,
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#endif
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#ifdef MAX31865_PTD_WIRES3
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MAX31865_PTD_WIRES3CFG,
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#else
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MAX31865_PTD_WIRESCFG,
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#endif
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#ifdef MAX31865_PTD_WIRES4
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MAX31865_PTD_WIRES4CFG,
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#else
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MAX31865_PTD_WIRESCFG,
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#endif
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#ifdef MAX31865_PTD_WIRES5
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MAX31865_PTD_WIRES5CFG,
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#else
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MAX31865_PTD_WIRESCFG,
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#endif
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#ifdef MAX31865_PTD_WIRES6
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MAX31865_PTD_WIRES6CFG
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#else
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MAX31865_PTD_WIRESCFG
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#endif
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};
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float PtdLowRes [] = {
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#ifdef MAX31865_PTD_LOW_RES1
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MAX31865_PTD_LOW_RES1,
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#else
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MAX31865_PTD_LOW_RES,
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#endif
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#ifdef MAX31865_PTD_LOW_RES2
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MAX31865_PTD_LOW_RES2,
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#else
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MAX31865_PTD_LOW_RES,
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#endif
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#ifdef MAX31865_PTD_LOW_RES3
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MAX31865_PTD_LOW_RES3,
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#else
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MAX31865_PTD_LOW_RES,
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#endif
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#ifdef MAX31865_PTD_LOW_RES4
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MAX31865_PTD_LOW_RES4,
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#else
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MAX31865_PTD_LOW_RES,
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#endif
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#ifdef MAX31865_PTD_LOW_RES5
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MAX31865_PTD_LOW_RES5,
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#else
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MAX31865_PTD_LOW_RES,
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#endif
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#ifdef MAX31865_PTD_LOW_RES6
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MAX31865_PTD_LOW_RES6
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#else
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MAX31865_PTD_LOW_RES
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#endif
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};
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float PtdHighRes [] = {
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#ifdef MAX31865_PTD_HIGH_RES1
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MAX31865_PTD_HIGH_RES1,
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#else
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MAX31865_PTD_HIGH_RES,
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#endif
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#ifdef MAX31865_PTD_HIGH_RES2
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MAX31865_PTD_HIGH_RES2,
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#else
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MAX31865_PTD_HIGH_RES,
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#endif
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#ifdef MAX31865_PTD_HIGH_RES3
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MAX31865_PTD_HIGH_RES3,
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#else
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MAX31865_PTD_HIGH_RES,
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#endif
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#ifdef MAX31865_PTD_HIGH_RES4
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MAX31865_PTD_HIGH_RES4,
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#else
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MAX31865_PTD_HIGH_RES,
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#endif
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#ifdef MAX31865_PTD_HIGH_RES5
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MAX31865_PTD_HIGH_RES5,
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#else
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MAX31865_PTD_HIGH_RES,
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#endif
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#ifdef MAX31865_PTD_HIGH_RES6
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MAX31865_PTD_HIGH_RES6
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#else
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MAX31865_PTD_HIGH_RES
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#endif
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};
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max31865_init_status = 1;
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for (uint32_t i = 0; i < MAX_MAX31865S; i++) {
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if (PinUsed(GPIO_SSPI_MAX31865_CS1, i)) {
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@ -60,26 +264,91 @@ void MAX31865_Init(void) {
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Pin(GPIO_SSPI_SCLK)
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);
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if (!max31865[i].begin(PTD_WIRES)) {
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if (!max31865[i].begin(PtdWires[i])) {
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max31865_init_status = -1;
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}
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}
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}
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}
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/*
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* MAX31865_GetResult(void)
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* Acquires the raw data via SPI, checks for MAX31865 errors and fills result structure
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*/
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void MAX31865_GetResult(void) {
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float PtdBias [] = {
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#ifdef MAX31865_PTD_BIAS1
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MAX31865_PTD_BIAS1,
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#else
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MAX31865_PTD_BIAS,
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#endif
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#ifdef MAX31865_PTD_BIAS2
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MAX31865_PTD_BIAS2,
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#else
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MAX31865_PTD_BIAS,
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#endif
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#ifdef MAX31865_PTD_BIAS3
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MAX31865_PTD_BIAS3,
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#else
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MAX31865_PTD_BIAS,
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#endif
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#ifdef MAX31865_PTD_BIAS4
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MAX31865_PTD_BIAS4,
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#else
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MAX31865_PTD_BIAS,
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#endif
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#ifdef MAX31865_PTD_BIAS5
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MAX31865_PTD_BIAS5,
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#else
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MAX31865_PTD_BIAS,
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#endif
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#ifdef MAX31865_PTD_BIAS6
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MAX31865_PTD_BIAS6
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#else
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MAX31865_PTD_BIAS
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#endif
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};
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float PtdRes [] = {
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#ifdef MAX31865_PTD_RES1
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MAX31865_PTD_RES1,
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#else
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MAX31865_PTD_RES,
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#endif
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#ifdef MAX31865_PTD_RES2
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MAX31865_PTD_RES2,
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#else
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MAX31865_PTD_RES,
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#endif
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#ifdef MAX31865_PTD_RES3
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MAX31865_PTD_RES3,
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#else
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MAX31865_PTD_RES,
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#endif
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#ifdef MAX31865_PTD_RES4
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MAX31865_PTD_RES4,
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#else
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MAX31865_PTD_RES,
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#endif
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#ifdef MAX31865_PTD_RES5
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MAX31865_PTD_RES5,
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#else
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MAX31865_PTD_RES,
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#endif
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#ifdef MAX31865_PTD_RES6
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MAX31865_PTD_RES6
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#else
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MAX31865_PTD_RES
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#endif
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};
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for (uint32_t i = 0; i < MAX_MAX31865S; i++) {
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if (max31865_pins_used & (1 << i)) {
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uint16_t rtd;
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rtd = max31865[i].readRTD();
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MAX31865_Result[i].Rtd = rtd;
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MAX31865_Result[i].PtdResistance = max31865[i].rtd_to_resistance(rtd, MAX31865_REF_RES);
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MAX31865_Result[i].PtdTemp = ConvertTemp(max31865[i].rtd_to_temperature(rtd, MAX31865_PTD_RES, MAX31865_REF_RES) + MAX31865_PTD_BIAS);
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MAX31865_Result[i].PtdResistance = max31865[i].rtd_to_resistance(rtd, RefRes[i]);
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MAX31865_Result[i].PtdTemp = ConvertTemp(max31865[i].rtd_to_temperature(rtd, PtdRes[i], RefRes[i]) + PtdBias[i]);
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}
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}
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}
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