diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h index 33a1c3a16..5d235bc45 100644 --- a/Marlin/Configuration.h +++ b/Marlin/Configuration.h @@ -120,6 +120,11 @@ // 51 is 100k thermistor - EPCOS (1k pullup) // 52 is 200k thermistor - ATC Semitec 204GT-2 (1k pullup) // 55 is 100k thermistor - ATC Semitec 104GT-2 (Used in ParCan & J-Head) (1k pullup) +// +// 1047 is Pt1000 with 4k7 pullup +// 1010 is Pt1000 with 1k pullup (non standard) +// 147 is Pt100 with 4k7 pullup +// 110 is Pt100 with 1k pullup (non standard) #define TEMP_SENSOR_0 -1 #define TEMP_SENSOR_1 -1 diff --git a/Marlin/thermistortables.h b/Marlin/thermistortables.h index 58a2466fe..1d2b3ca65 100644 --- a/Marlin/thermistortables.h +++ b/Marlin/thermistortables.h @@ -857,6 +857,70 @@ const short temptable_60[][2] PROGMEM = { }; #endif +// Pt1000 and Pt100 handling +// +// Rt=R0*(1+a*T+b*T*T) [for T>0] +// a=3.9083E-3, b=-5.775E-7 + +#define PtA 3.9083E-3 +#define PtB -5.775E-7 +#define PtRt(T,R0) ((R0)*(1.0+(PtA)*(T)+(PtB)*(T)*(T))) +#define PtAdVal(T,R0,Rup) (short)(1024/(Rup/PtRt(T,R0)+1)) +#define PtLine(T,R0,Rup) { PtAdVal(T,R0,Rup)*OVERSAMPLENR, T }, + +#if (THERMISTORHEATER_0 == 110) || (THERMISTORHEATER_1 == 110) || (THERMISTORHEATER_2 == 110) || (THERMISTORBED == 110) // Pt100 with 1k0 pullup +const short temptable_110[][2] PROGMEM = { +// only few values are needed as the curve is very flat + PtLine(0,100,1000) + PtLine(50,100,1000) + PtLine(100,100,1000) + PtLine(150,100,1000) + PtLine(200,100,1000) + PtLine(250,100,1000) + PtLine(300,100,1000) +}; +#endif +#if (THERMISTORHEATER_0 == 147) || (THERMISTORHEATER_1 == 147) || (THERMISTORHEATER_2 == 147) || (THERMISTORBED == 147) // Pt100 with 4k7 pullup +const short temptable_147[][2] PROGMEM = { +// only few values are needed as the curve is very flat + PtLine(0,100,4700) + PtLine(50,100,4700) + PtLine(100,100,4700) + PtLine(150,100,4700) + PtLine(200,100,4700) + PtLine(250,100,4700) + PtLine(300,100,4700) +}; +#endif +#if (THERMISTORHEATER_0 == 1010) || (THERMISTORHEATER_1 == 1010) || (THERMISTORHEATER_2 == 1010) || (THERMISTORBED == 1010) // Pt1000 with 1k0 pullup +const short temptable_1010[][2] PROGMEM = { + PtLine(0,1000,1000) + PtLine(25,1000,1000) + PtLine(50,1000,1000) + PtLine(75,1000,1000) + PtLine(100,1000,1000) + PtLine(125,1000,1000) + PtLine(150,1000,1000) + PtLine(175,1000,1000) + PtLine(200,1000,1000) + PtLine(225,1000,1000) + PtLine(250,1000,1000) + PtLine(275,1000,1000) + PtLine(300,1000,1000) +}; +#endif +#if (THERMISTORHEATER_0 == 1047) || (THERMISTORHEATER_1 == 1047) || (THERMISTORHEATER_2 == 1047) || (THERMISTORBED == 1047) // Pt1000 with 4k7 pullup +const short temptable_1047[][2] PROGMEM = { +// only few values are needed as the curve is very flat + PtLine(0,1000,4700) + PtLine(50,1000,4700) + PtLine(100,1000,4700) + PtLine(150,1000,4700) + PtLine(200,1000,4700) + PtLine(250,1000,4700) + PtLine(300,1000,4700) +}; +#endif #define _TT_NAME(_N) temptable_ ## _N #define TT_NAME(_N) _TT_NAME(_N)