From 827f9ae7923cb80ffa0bb480b53a85e016e4b789 Mon Sep 17 00:00:00 2001
From: discip <53649486+discip@users.noreply.github.com>
Date: Mon, 26 Sep 2022 23:42:52 +0200
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Pt1000=20with=202k2=20pullup=20(SKR?=
 =?UTF-8?q?=203=20/=20EZ)=20(#24790)?=
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---
 Marlin/Configuration.h                        |  1 +
 Marlin/src/lcd/thermistornames.h              |  2 +
 .../src/module/thermistor/thermistor_1022.h   | 45 +++++++++++++++++++
 Marlin/src/module/thermistor/thermistors.h    |  3 ++
 4 files changed, 51 insertions(+)
 create mode 100644 Marlin/src/module/thermistor/thermistor_1022.h

diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index a2370d99d0..1d2542e266 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -518,6 +518,7 @@
  *   110 : Pt100  with 1kΩ pullup (atypical)
  *   147 : Pt100  with 4.7kΩ pullup
  *  1010 : Pt1000 with 1kΩ pullup (atypical)
+ *  1022 : Pt1000 with 2.2kΩ pullup
  *  1047 : Pt1000 with 4.7kΩ pullup (E3D)
  *    20 : Pt100  with circuit in the Ultimainboard V2.x with mainboard ADC reference voltage = INA826 amplifier-board supply voltage.
  *                NOTE: (1) Must use an ADC input with no pullup. (2) Some INA826 amplifiers are unreliable at 3.3V so consider using sensor 147, 110, or 21.
diff --git a/Marlin/src/lcd/thermistornames.h b/Marlin/src/lcd/thermistornames.h
index 2571efe075..1b40a8c7d4 100644
--- a/Marlin/src/lcd/thermistornames.h
+++ b/Marlin/src/lcd/thermistornames.h
@@ -124,6 +124,8 @@
   #define THERMISTOR_NAME "ATC104GT-2 1K"
 #elif THERMISTOR_ID == 1047
   #define THERMISTOR_NAME "PT1000 4K7"
+#elif THERMISTOR_ID == 1022
+  #define THERMISTOR_NAME "PT1000 2K2"
 #elif THERMISTOR_ID == 1010
   #define THERMISTOR_NAME "PT1000 1K"
 #elif THERMISTOR_ID == 147
diff --git a/Marlin/src/module/thermistor/thermistor_1022.h b/Marlin/src/module/thermistor/thermistor_1022.h
new file mode 100644
index 0000000000..1db928fbb8
--- /dev/null
+++ b/Marlin/src/module/thermistor/thermistor_1022.h
@@ -0,0 +1,45 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2022 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#define REVERSE_TEMP_SENSOR_RANGE_1022 1
+
+// Pt1000 with 1k0 pullup
+constexpr temp_entry_t temptable_1022[] PROGMEM = {
+  PtLine(  0, 1000, 2200),
+  PtLine( 25, 1000, 2200),
+  PtLine( 50, 1000, 2200),
+  PtLine( 75, 1000, 2200),
+  PtLine(100, 1000, 2200),
+  PtLine(125, 1000, 2200),
+  PtLine(150, 1000, 2200),
+  PtLine(175, 1000, 2200),
+  PtLine(200, 1000, 2200),
+  PtLine(225, 1000, 2200),
+  PtLine(250, 1000, 2200),
+  PtLine(275, 1000, 2200),
+  PtLine(300, 1000, 2200),
+  PtLine(350, 1000, 2200),
+  PtLine(400, 1000, 2200),
+  PtLine(450, 1000, 2200),
+  PtLine(500, 1000, 2200)
+};
diff --git a/Marlin/src/module/thermistor/thermistors.h b/Marlin/src/module/thermistor/thermistors.h
index a38b7f381f..5d89dd3aa9 100644
--- a/Marlin/src/module/thermistor/thermistors.h
+++ b/Marlin/src/module/thermistor/thermistors.h
@@ -193,6 +193,9 @@ typedef struct { raw_adc_t value; celsius_t celsius; } temp_entry_t;
 #if ANY_THERMISTOR_IS(1010) // Pt1000 with 1k0 pullup
   #include "thermistor_1010.h"
 #endif
+#if ANY_THERMISTOR_IS(1022) // Pt1000 with 2k2 pullup
+  #include "thermistor_1022.h"
+#endif
 #if ANY_THERMISTOR_IS(1047) // Pt1000 with 4k7 pullup
   #include "thermistor_1047.h"
 #endif