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Use ADC resolution in AD595/8495 calculation (#17018)

Fixes thermocouple reading on LP1768 (which uses 12-bit resolution).
ManuelMcLure 4 年之前
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共有 1 個文件被更改,包括 2 次插入2 次删除
  1. 2
    2
      Marlin/src/module/temperature.cpp

+ 2
- 2
Marlin/src/module/temperature.cpp 查看文件

@@ -1232,8 +1232,8 @@ void Temperature::manage_heater() {
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   UNUSED(ms);
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 }
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1235
-#define TEMP_AD595(RAW)  ((RAW) * 5.0 * 100.0 / 1024.0 / (OVERSAMPLENR) * (TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET)
1236
-#define TEMP_AD8495(RAW) ((RAW) * 6.6 * 100.0 / 1024.0 / (OVERSAMPLENR) * (TEMP_SENSOR_AD8495_GAIN) + TEMP_SENSOR_AD8495_OFFSET)
1235
+#define TEMP_AD595(RAW)  ((RAW) * 5.0 * 100.0 / float(HAL_ADC_RANGE) / (OVERSAMPLENR) * (TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET)
1236
+#define TEMP_AD8495(RAW) ((RAW) * 6.6 * 100.0 / float(HAL_ADC_RANGE) / (OVERSAMPLENR) * (TEMP_SENSOR_AD8495_GAIN) + TEMP_SENSOR_AD8495_OFFSET)
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 /**
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  * Bisect search for the range of the 'raw' value, then interpolate

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