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

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Fixes thermocouple reading on LP1768 (which uses 12-bit resolution).
This commit is contained in:
ManuelMcLure 2020-02-28 21:28:17 -08:00 committed by GitHub
parent b946530ef6
commit 39c34e4992
Signed by: GitHub
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
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4
Marlin/src/module/temperature.cpp
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@ -1232,8 +1232,8 @@ void Temperature::manage_heater() {
UNUSED(ms);
}
#define TEMP_AD595(RAW) ((RAW) * 5.0 * 100.0 / 1024.0 / (OVERSAMPLENR) * (TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET)
#define TEMP_AD8495(RAW) ((RAW) * 6.6 * 100.0 / 1024.0 / (OVERSAMPLENR) * (TEMP_SENSOR_AD8495_GAIN) + TEMP_SENSOR_AD8495_OFFSET)
#define TEMP_AD595(RAW) ((RAW) * 5.0 * 100.0 / float(HAL_ADC_RANGE) / (OVERSAMPLENR) * (TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET)
#define TEMP_AD8495(RAW) ((RAW) * 6.6 * 100.0 / float(HAL_ADC_RANGE) / (OVERSAMPLENR) * (TEMP_SENSOR_AD8495_GAIN) + TEMP_SENSOR_AD8495_OFFSET)
/**
* Bisect search for the range of the 'raw' value, then interpolate