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✨ Steinhart-Hart C Coeff for Custom Thermistor (#24428)

Nikolay-Po 2 years ago
parent
2f219d6824
commit
8a1643587b
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2 changed files with 70 additions and 56 deletions
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  1. 56
    42
      Marlin/Configuration_adv.h
  2. 14
    14
      Marlin/src/module/temperature.cpp

+ 56
- 42
Marlin/Configuration_adv.h View File 

@@ -54,87 +54,101 @@
54 54 
 // Custom Thermistor 1000 parameters
55 55 
 //
56 56 
 #if TEMP_SENSOR_0 == 1000
57 
-  #define HOTEND0_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
58 
-  #define HOTEND0_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
59 
-  #define HOTEND0_BETA                 3950    // Beta value
57 
+  #define HOTEND0_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
58 
+  #define HOTEND0_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
59 
+  #define HOTEND0_BETA                    3950 // Beta value
60 
+  #define HOTEND0_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
60 61 
 #endif
61 62
62 63 
 #if TEMP_SENSOR_1 == 1000
63 
-  #define HOTEND1_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
64 
-  #define HOTEND1_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
65 
-  #define HOTEND1_BETA                 3950    // Beta value
64 
+  #define HOTEND1_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
65 
+  #define HOTEND1_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
66 
+  #define HOTEND1_BETA                    3950 // Beta value
67 
+  #define HOTEND1_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
66 68 
 #endif
67 69
68 70 
 #if TEMP_SENSOR_2 == 1000
69 
-  #define HOTEND2_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
70 
-  #define HOTEND2_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
71 
-  #define HOTEND2_BETA                 3950    // Beta value
71 
+  #define HOTEND2_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
72 
+  #define HOTEND2_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
73 
+  #define HOTEND2_BETA                    3950 // Beta value
74 
+  #define HOTEND2_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
72 75 
 #endif
73 76
74 77 
 #if TEMP_SENSOR_3 == 1000
75 
-  #define HOTEND3_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
76 
-  #define HOTEND3_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
77 
-  #define HOTEND3_BETA                 3950    // Beta value
78 
+  #define HOTEND3_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
79 
+  #define HOTEND3_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
80 
+  #define HOTEND3_BETA                    3950 // Beta value
81 
+  #define HOTEND3_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
78 82 
 #endif
79 83
80 84 
 #if TEMP_SENSOR_4 == 1000
81 
-  #define HOTEND4_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
82 
-  #define HOTEND4_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
83 
-  #define HOTEND4_BETA                 3950    // Beta value
85 
+  #define HOTEND4_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
86 
+  #define HOTEND4_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
87 
+  #define HOTEND4_BETA                    3950 // Beta value
88 
+  #define HOTEND4_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
84 89 
 #endif
85 90
86 91 
 #if TEMP_SENSOR_5 == 1000
87 
-  #define HOTEND5_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
88 
-  #define HOTEND5_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
89 
-  #define HOTEND5_BETA                 3950    // Beta value
92 
+  #define HOTEND5_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
93 
+  #define HOTEND5_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
94 
+  #define HOTEND5_BETA                    3950 // Beta value
95 
+  #define HOTEND5_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
90 96 
 #endif
91 97
92 98 
 #if TEMP_SENSOR_6 == 1000
93 
-  #define HOTEND6_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
94 
-  #define HOTEND6_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
95 
-  #define HOTEND6_BETA                 3950    // Beta value
99 
+  #define HOTEND6_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
100 
+  #define HOTEND6_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
101 
+  #define HOTEND6_BETA                    3950 // Beta value
102 
+  #define HOTEND6_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
96 103 
 #endif
97 104
98 105 
 #if TEMP_SENSOR_7 == 1000
99 
-  #define HOTEND7_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
100 
-  #define HOTEND7_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
101 
-  #define HOTEND7_BETA                 3950    // Beta value
106 
+  #define HOTEND7_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
107 
+  #define HOTEND7_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
108 
+  #define HOTEND7_BETA                    3950 // Beta value
109 
+  #define HOTEND7_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
102 110 
 #endif
103 111
104 112 
 #if TEMP_SENSOR_BED == 1000
105 
-  #define BED_PULLUP_RESISTOR_OHMS     4700    // Pullup resistor
106 
-  #define BED_RESISTANCE_25C_OHMS      100000  // Resistance at 25C
107 
-  #define BED_BETA                     3950    // Beta value
113 
+  #define BED_PULLUP_RESISTOR_OHMS        4700 // Pullup resistor
114 
+  #define BED_RESISTANCE_25C_OHMS       100000 // Resistance at 25C
115 
+  #define BED_BETA                        3950 // Beta value
116 
+  #define BED_SH_C_COEFF                     0 // Steinhart-Hart C coefficient
108 117 
 #endif
109 118
110 119 
 #if TEMP_SENSOR_CHAMBER == 1000
111 
-  #define CHAMBER_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
112 
-  #define CHAMBER_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
113 
-  #define CHAMBER_BETA                 3950    // Beta value
120 
+  #define CHAMBER_PULLUP_RESISTOR_OHMS    4700 // Pullup resistor
121 
+  #define CHAMBER_RESISTANCE_25C_OHMS   100000 // Resistance at 25C
122 
+  #define CHAMBER_BETA                    3950 // Beta value
123 
+  #define CHAMBER_SH_C_COEFF                 0 // Steinhart-Hart C coefficient
114 124 
 #endif
115 125
116 126 
 #if TEMP_SENSOR_COOLER == 1000
117 
-  #define COOLER_PULLUP_RESISTOR_OHMS 4700    // Pullup resistor
118 
-  #define COOLER_RESISTANCE_25C_OHMS  100000  // Resistance at 25C
119 
-  #define COOLER_BETA                 3950    // Beta value
127 
+  #define COOLER_PULLUP_RESISTOR_OHMS     4700 // Pullup resistor
128 
+  #define COOLER_RESISTANCE_25C_OHMS    100000 // Resistance at 25C
129 
+  #define COOLER_BETA                     3950 // Beta value
130 
+  #define COOLER_SH_C_COEFF                  0 // Steinhart-Hart C coefficient
120 131 
 #endif
121 132
122 133 
 #if TEMP_SENSOR_PROBE == 1000
123 
-  #define PROBE_PULLUP_RESISTOR_OHMS   4700    // Pullup resistor
124 
-  #define PROBE_RESISTANCE_25C_OHMS    100000  // Resistance at 25C
125 
-  #define PROBE_BETA                   3950    // Beta value
134 
+  #define PROBE_PULLUP_RESISTOR_OHMS      4700 // Pullup resistor
135 
+  #define PROBE_RESISTANCE_25C_OHMS     100000 // Resistance at 25C
136 
+  #define PROBE_BETA                      3950 // Beta value
137 
+  #define PROBE_SH_C_COEFF                   0 // Steinhart-Hart C coefficient
126 138 
 #endif
127 139
128 140 
 #if TEMP_SENSOR_BOARD == 1000
129 
-  #define BOARD_PULLUP_RESISTOR_OHMS   4700    // Pullup resistor
130 
-  #define BOARD_RESISTANCE_25C_OHMS    100000  // Resistance at 25C
131 
-  #define BOARD_BETA                   3950    // Beta value
141 
+  #define BOARD_PULLUP_RESISTOR_OHMS      4700 // Pullup resistor
142 
+  #define BOARD_RESISTANCE_25C_OHMS     100000 // Resistance at 25C
143 
+  #define BOARD_BETA                      3950 // Beta value
144 
+  #define BOARD_SH_C_COEFF                   0 // Steinhart-Hart C coefficient
132 145 
 #endif
133 146
134 147 
 #if TEMP_SENSOR_REDUNDANT == 1000
135 
-  #define REDUNDANT_PULLUP_RESISTOR_OHMS   4700    // Pullup resistor
136 
-  #define REDUNDANT_RESISTANCE_25C_OHMS    100000  // Resistance at 25C
137 
-  #define REDUNDANT_BETA                   3950    // Beta value
148 
+  #define REDUNDANT_PULLUP_RESISTOR_OHMS  4700 // Pullup resistor
149 
+  #define REDUNDANT_RESISTANCE_25C_OHMS 100000 // Resistance at 25C
150 
+  #define REDUNDANT_BETA                  3950 // Beta value
151 
+  #define REDUNDANT_SH_C_COEFF               0 // Steinhart-Hart C coefficient
138 152 
 #endif
139 153
140 154 
 /**

+ 14
- 14
Marlin/src/module/temperature.cpp View File 

@@ -1947,46 +1947,46 @@ void Temperature::task() {
1947 1947 
   void Temperature::reset_user_thermistors() {
1948 1948 
     user_thermistor_t default_user_thermistor[USER_THERMISTORS] = {
1949 1949 
       #if TEMP_SENSOR_0_IS_CUSTOM
1950 
-        { true, 0, 0, HOTEND0_PULLUP_RESISTOR_OHMS, HOTEND0_RESISTANCE_25C_OHMS, 0, 0, HOTEND0_BETA, 0 },
1950 
+        { true, HOTEND0_SH_C_COEFF, 0, HOTEND0_PULLUP_RESISTOR_OHMS, HOTEND0_RESISTANCE_25C_OHMS, 0, 0, HOTEND0_BETA, 0 },
1951 1951 
       #endif
1952 1952 
       #if TEMP_SENSOR_1_IS_CUSTOM
1953 
-        { true, 0, 0, HOTEND1_PULLUP_RESISTOR_OHMS, HOTEND1_RESISTANCE_25C_OHMS, 0, 0, HOTEND1_BETA, 0 },
1953 
+        { true, HOTEND1_SH_C_COEFF, 0, HOTEND1_PULLUP_RESISTOR_OHMS, HOTEND1_RESISTANCE_25C_OHMS, 0, 0, HOTEND1_BETA, 0 },
1954 1954 
       #endif
1955 1955 
       #if TEMP_SENSOR_2_IS_CUSTOM
1956 
-        { true, 0, 0, HOTEND2_PULLUP_RESISTOR_OHMS, HOTEND2_RESISTANCE_25C_OHMS, 0, 0, HOTEND2_BETA, 0 },
1956 
+        { true, HOTEND2_SH_C_COEFF, 0, HOTEND2_PULLUP_RESISTOR_OHMS, HOTEND2_RESISTANCE_25C_OHMS, 0, 0, HOTEND2_BETA, 0 },
1957 1957 
       #endif
1958 1958 
       #if TEMP_SENSOR_3_IS_CUSTOM
1959 
-        { true, 0, 0, HOTEND3_PULLUP_RESISTOR_OHMS, HOTEND3_RESISTANCE_25C_OHMS, 0, 0, HOTEND3_BETA, 0 },
1959 
+        { true, HOTEND3_SH_C_COEFF, 0, HOTEND3_PULLUP_RESISTOR_OHMS, HOTEND3_RESISTANCE_25C_OHMS, 0, 0, HOTEND3_BETA, 0 },
1960 1960 
       #endif
1961 1961 
       #if TEMP_SENSOR_4_IS_CUSTOM
1962 
-        { true, 0, 0, HOTEND4_PULLUP_RESISTOR_OHMS, HOTEND4_RESISTANCE_25C_OHMS, 0, 0, HOTEND4_BETA, 0 },
1962 
+        { true, HOTEND4_SH_C_COEFF, 0, HOTEND4_PULLUP_RESISTOR_OHMS, HOTEND4_RESISTANCE_25C_OHMS, 0, 0, HOTEND4_BETA, 0 },
1963 1963 
       #endif
1964 1964 
       #if TEMP_SENSOR_5_IS_CUSTOM
1965 
-        { true, 0, 0, HOTEND5_PULLUP_RESISTOR_OHMS, HOTEND5_RESISTANCE_25C_OHMS, 0, 0, HOTEND5_BETA, 0 },
1965 
+        { true, HOTEND5_SH_C_COEFF, 0, HOTEND5_PULLUP_RESISTOR_OHMS, HOTEND5_RESISTANCE_25C_OHMS, 0, 0, HOTEND5_BETA, 0 },
1966 1966 
       #endif
1967 1967 
       #if TEMP_SENSOR_6_IS_CUSTOM
1968 
-        { true, 0, 0, HOTEND6_PULLUP_RESISTOR_OHMS, HOTEND6_RESISTANCE_25C_OHMS, 0, 0, HOTEND6_BETA, 0 },
1968 
+        { true, HOTEND6_SH_C_COEFF, 0, HOTEND6_PULLUP_RESISTOR_OHMS, HOTEND6_RESISTANCE_25C_OHMS, 0, 0, HOTEND6_BETA, 0 },
1969 1969 
       #endif
1970 1970 
       #if TEMP_SENSOR_7_IS_CUSTOM
1971 
-        { true, 0, 0, HOTEND7_PULLUP_RESISTOR_OHMS, HOTEND7_RESISTANCE_25C_OHMS, 0, 0, HOTEND7_BETA, 0 },
1971 
+        { true, HOTEND7_SH_C_COEFF, 0, HOTEND7_PULLUP_RESISTOR_OHMS, HOTEND7_RESISTANCE_25C_OHMS, 0, 0, HOTEND7_BETA, 0 },
1972 1972 
       #endif
1973 1973 
       #if TEMP_SENSOR_BED_IS_CUSTOM
1974 
-        { true, 0, 0, BED_PULLUP_RESISTOR_OHMS, BED_RESISTANCE_25C_OHMS, 0, 0, BED_BETA, 0 },
1974 
+        { true, BED_SH_C_COEFF, 0, BED_PULLUP_RESISTOR_OHMS, BED_RESISTANCE_25C_OHMS, 0, 0, BED_BETA, 0 },
1975 1975 
       #endif
1976 1976 
       #if TEMP_SENSOR_CHAMBER_IS_CUSTOM
1977 
-        { true, 0, 0, CHAMBER_PULLUP_RESISTOR_OHMS, CHAMBER_RESISTANCE_25C_OHMS, 0, 0, CHAMBER_BETA, 0 },
1977 
+        { true, CHAMBER_SH_C_COEFF, 0, CHAMBER_PULLUP_RESISTOR_OHMS, CHAMBER_RESISTANCE_25C_OHMS, 0, 0, CHAMBER_BETA, 0 },
1978 1978 
       #endif
1979 1979 
       #if TEMP_SENSOR_COOLER_IS_CUSTOM
1980 
-        { true, 0, 0, COOLER_PULLUP_RESISTOR_OHMS, COOLER_RESISTANCE_25C_OHMS, 0, 0, COOLER_BETA, 0 },
1980 
+        { true, COOLER_SH_C_COEFF, 0, COOLER_PULLUP_RESISTOR_OHMS, COOLER_RESISTANCE_25C_OHMS, 0, 0, COOLER_BETA, 0 },
1981 1981 
       #endif
1982 1982 
       #if TEMP_SENSOR_PROBE_IS_CUSTOM
1983 
-        { true, 0, 0, PROBE_PULLUP_RESISTOR_OHMS, PROBE_RESISTANCE_25C_OHMS, 0, 0, PROBE_BETA, 0 },
1983 
+        { true, PROBE_SH_C_COEFF, 0, PROBE_PULLUP_RESISTOR_OHMS, PROBE_RESISTANCE_25C_OHMS, 0, 0, PROBE_BETA, 0 },
1984 1984 
       #endif
1985 1985 
       #if TEMP_SENSOR_BOARD_IS_CUSTOM
1986 
-        { true, 0, 0, BOARD_PULLUP_RESISTOR_OHMS, BOARD_RESISTANCE_25C_OHMS, 0, 0, BOARD_BETA, 0 },
1986 
+        { true, BOARD_SH_C_COEFF, 0, BOARD_PULLUP_RESISTOR_OHMS, BOARD_RESISTANCE_25C_OHMS, 0, 0, BOARD_BETA, 0 },
1987 1987 
       #endif
1988 1988 
       #if TEMP_SENSOR_REDUNDANT_IS_CUSTOM
1989 
-        { true, 0, 0, REDUNDANT_PULLUP_RESISTOR_OHMS, REDUNDANT_RESISTANCE_25C_OHMS, 0, 0, REDUNDANT_BETA, 0 },
1989 
+        { true, REDUNDANT_SH_C_COEFF, 0, REDUNDANT_PULLUP_RESISTOR_OHMS, REDUNDANT_RESISTANCE_25C_OHMS, 0, 0, REDUNDANT_BETA, 0 },
1990 1990 
       #endif
1991 1991 
     };
1992 1992 
     COPY(user_thermistor, default_user_thermistor);

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