(21) PT100 for MCUs with 3.3v logic (#16731)
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@ -379,7 +379,8 @@
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* 13 : 100k Hisens 3950 1% up to 300°C for hotend "Simple ONE " & "Hotend "All In ONE"
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* 15 : 100k thermistor calibration for JGAurora A5 hotend
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* 18 : ATC Semitec 204GT-2 (4.7k pullup) Dagoma.Fr - MKS_Base_DKU001327
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* 20 : Pt100 with circuit in the Ultimainboard V2.x
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* 20 : Pt100 with circuit in the Ultimainboard V2.x with 5v excitation (AVR)
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* 21 : Pt100 with circuit in the Ultimainboard V2.x with 3.3v excitation (STM32 \ LPC176x....)
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* 201 : Pt100 with circuit in Overlord, similar to Ultimainboard V2.x
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* 60 : 100k Maker's Tool Works Kapton Bed Thermistor beta=3950
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* 61 : 100k Formbot / Vivedino 3950 350C thermistor 4.7k pullup
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@ -85,7 +85,9 @@
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#elif THERMISTOR_ID == 18
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#define THERMISTOR_NAME "ATC Semitec 204GT-2"
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#elif THERMISTOR_ID == 20
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#define THERMISTOR_NAME "Pt100 UltiMB"
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#define THERMISTOR_NAME "Pt100 UltiMB 5v"
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#elif THERMISTOR_ID == 21
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#define THERMISTOR_NAME "Pt100 UltiMB 3.3v"
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#elif THERMISTOR_ID == 201
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#define THERMISTOR_NAME "Pt100 OverLord"
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#elif THERMISTOR_ID == 60
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77
Marlin/src/module/thermistor/thermistor_21.h
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77
Marlin/src/module/thermistor/thermistor_21.h
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/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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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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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#define REVERSE_TEMP_SENSOR_RANGE
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#undef OV_SCALE
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#define OV_SCALE(N) (float((N) * 5) / 3.3f)
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// Pt100 with INA826 amp with 3.3v excitation based on "Pt100 with INA826 amp on Ultimaker v2.0 electronics"
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const short temptable_21[][2] PROGMEM = {
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{ OV( 0), 0 },
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{ OV(227), 1 },
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{ OV(236), 10 },
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{ OV(245), 20 },
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{ OV(253), 30 },
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{ OV(262), 40 },
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{ OV(270), 50 },
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{ OV(279), 60 },
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{ OV(287), 70 },
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{ OV(295), 80 },
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{ OV(304), 90 },
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{ OV(312), 100 },
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{ OV(320), 110 },
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{ OV(329), 120 },
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{ OV(337), 130 },
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{ OV(345), 140 },
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{ OV(353), 150 },
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{ OV(361), 160 },
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{ OV(369), 170 },
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{ OV(377), 180 },
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{ OV(385), 190 },
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{ OV(393), 200 },
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{ OV(401), 210 },
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{ OV(409), 220 },
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{ OV(417), 230 },
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{ OV(424), 240 },
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{ OV(432), 250 },
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{ OV(440), 260 },
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{ OV(447), 270 },
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{ OV(455), 280 },
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{ OV(463), 290 },
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{ OV(470), 300 },
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{ OV(478), 310 },
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{ OV(485), 320 },
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{ OV(493), 330 },
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{ OV(500), 340 },
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{ OV(507), 350 },
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{ OV(515), 360 },
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{ OV(522), 370 },
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{ OV(529), 380 },
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{ OV(537), 390 },
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{ OV(544), 400 },
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{ OV(614), 500 }
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};
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#undef OV_SCALE
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#define OV_SCALE(N) (N)
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@ -37,7 +37,8 @@
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#error "MAX_RAW_THERMISTOR_VALUE is too large for int16_t. Reduce OVERSAMPLENR or HAL_ADC_RESOLUTION."
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#endif
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#define OV(N) int16_t((N) * (OVERSAMPLENR) * (THERMISTOR_TABLE_SCALE))
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#define OV_SCALE(N) (N)
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#define OV(N) int16_t(OV_SCALE(N) * (OVERSAMPLENR) * (THERMISTOR_TABLE_SCALE))
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#define ANY_THERMISTOR_IS(n) (THERMISTOR_HEATER_0 == n || THERMISTOR_HEATER_1 == n || THERMISTOR_HEATER_2 == n || THERMISTOR_HEATER_3 == n || THERMISTOR_HEATER_4 == n || THERMISTOR_HEATER_5 == n || THERMISTOR_HEATER_6 == n || THERMISTOR_HEATER_7 == n || THERMISTORBED == n || THERMISTORCHAMBER == n || THERMISTORPROBE == n)
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@ -105,6 +106,9 @@
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#if ANY_THERMISTOR_IS(20) // Pt100 with INA826 amp on Ultimaker v2.0 electronics
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#include "thermistor_20.h"
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#endif
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#if ANY_THERMISTOR_IS(21) // Pt100 with INA826 amp with 3.3v excitation based on "Pt100 with INA826 amp on Ultimaker v2.0 electronics"
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#include "thermistor_21.h"
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#endif
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#if ANY_THERMISTOR_IS(51) // beta25 = 4092 K, R25 = 100 kOhm, Pull-up = 1 kOhm, "EPCOS"
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#include "thermistor_51.h"
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#endif
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