Prusa MINI Firmware overview
thermistor_331.h
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1 /**
2  * Marlin 3D Printer Firmware
3  * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
4  *
5  * Based on Sprinter and grbl.
6  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
7  *
8  * This program is free software: you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation, either version 3 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program. If not, see <http://www.gnu.org/licenses/>.
20  *
21  */
22 #pragma once
23 
24 #define OVM(V) OV((V)*(0.327/0.5))
25 
26 // R25 = 100 kOhm, beta25 = 4092 K, 4.7 kOhm pull-up, bed thermistor
27 const short temptable_331[][2] PROGMEM = {
28  { OVM( 23), 300 },
29  { OVM( 25), 295 },
30  { OVM( 27), 290 },
31  { OVM( 28), 285 },
32  { OVM( 31), 280 },
33  { OVM( 33), 275 },
34  { OVM( 35), 270 },
35  { OVM( 38), 265 },
36  { OVM( 41), 260 },
37  { OVM( 44), 255 },
38  { OVM( 48), 250 },
39  { OVM( 52), 245 },
40  { OVM( 56), 240 },
41  { OVM( 61), 235 },
42  { OVM( 66), 230 },
43  { OVM( 71), 225 },
44  { OVM( 78), 220 },
45  { OVM( 84), 215 },
46  { OVM( 92), 210 },
47  { OVM( 100), 205 },
48  { OVM( 109), 200 },
49  { OVM( 120), 195 },
50  { OVM( 131), 190 },
51  { OVM( 143), 185 },
52  { OVM( 156), 180 },
53  { OVM( 171), 175 },
54  { OVM( 187), 170 },
55  { OVM( 205), 165 },
56  { OVM( 224), 160 },
57  { OVM( 245), 155 },
58  { OVM( 268), 150 },
59  { OVM( 293), 145 },
60  { OVM( 320), 140 },
61  { OVM( 348), 135 },
62  { OVM( 379), 130 },
63  { OVM( 411), 125 },
64  { OVM( 445), 120 },
65  { OVM( 480), 115 },
66  { OVM( 516), 110 },
67  { OVM( 553), 105 },
68  { OVM( 591), 100 },
69  { OVM( 628), 95 },
70  { OVM( 665), 90 },
71  { OVM( 702), 85 },
72  { OVM( 737), 80 },
73  { OVM( 770), 75 },
74  { OVM( 801), 70 },
75  { OVM( 830), 65 },
76  { OVM( 857), 60 },
77  { OVM( 881), 55 },
78  { OVM( 903), 50 },
79  { OVM( 922), 45 },
80  { OVM( 939), 40 },
81  { OVM( 954), 35 },
82  { OVM( 966), 30 },
83  { OVM( 977), 25 },
84  { OVM( 985), 20 },
85  { OVM( 993), 15 },
86  { OVM( 999), 10 },
87  { OVM(1004), 5 },
88  { OVM(1008), 0 },
89  { OVM(1012), -5 },
90  { OVM(1016), -10 },
91  { OVM(1020), -15 }
92 };
OVM
#define OVM(V)
Definition: thermistor_331.h:24
PROGMEM
const short temptable_331[][2] PROGMEM
Definition: thermistor_331.h:27