Prusa MINI Firmware overview
thermistor_52.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 // R25 = 200 kOhm, beta25 = 4338 K, 1 kOhm pull-up,
25 // 200k ATC Semitec 204GT-2 (WITH 1kohm RESISTOR FOR PULLUP, R9 ON SANGUINOLOLU! NOT FOR 4.7kohm PULLUP! THIS IS NOT NORMAL!)
26 // Verified by linagee. Source: http://shop.arcol.hu/static/datasheets/thermistors.pdf
27 // Calculated using 1kohm pullup, voltage divider math, and manufacturer provided temp/resistance
28 // Advantage: More resolution and better linearity from 150C to 200C
29 const short temptable_52[][2] PROGMEM = {
30  { OV( 1), 500 },
31  { OV( 125), 300 }, // top rating 300C
32  { OV( 142), 290 },
33  { OV( 162), 280 },
34  { OV( 185), 270 },
35  { OV( 211), 260 },
36  { OV( 240), 250 },
37  { OV( 274), 240 },
38  { OV( 312), 230 },
39  { OV( 355), 220 },
40  { OV( 401), 210 },
41  { OV( 452), 200 },
42  { OV( 506), 190 },
43  { OV( 563), 180 },
44  { OV( 620), 170 },
45  { OV( 677), 160 },
46  { OV( 732), 150 },
47  { OV( 783), 140 },
48  { OV( 830), 130 },
49  { OV( 871), 120 },
50  { OV( 906), 110 },
51  { OV( 935), 100 },
52  { OV( 958), 90 },
53  { OV( 976), 80 },
54  { OV( 990), 70 },
55  { OV(1000), 60 },
56  { OV(1008), 50 },
57  { OV(1013), 40 },
58  { OV(1017), 30 },
59  { OV(1019), 20 },
60  { OV(1021), 10 },
61  { OV(1022), 0 }
62 };
PROGMEM
const short temptable_52[][2] PROGMEM
Definition: thermistor_52.h:29
OV
#define OV(N)
Definition: thermistors.h:27