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Nicer debug -> temperature graph

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Lowered the scale -10 ºC so it accomodates less than zero temperatures, present sometimes when cold starting the system.

Added 1 char for temperature label length.

Adjusted the max2837 sensor value -> ºC temp result, by normalizing the conversion to correctly display the standard 25ºC, mentioned in Datasheet.
This commit is contained in:
euquiq 2020-06-29 18:01:15 -03:00
parent e6c5b3ede5
commit b0880d6eff
2 changed files with 3 additions and 3 deletions
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2
firmware/application/apps/ui_debug.cpp
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@ -121,7 +121,7 @@ void TemperatureWidget::paint(Painter& painter) {
}
TemperatureWidget::temperature_t TemperatureWidget::temperature(const sample_t sensor_value) const {
return -45 + sensor_value * 5;
return -35 + sensor_value * 4; //max2837 datasheet temp 25ºC has sensor value: 15
}
std::string TemperatureWidget::temperature_str(const temperature_t temperature) const {

4
firmware/application/apps/ui_debug.hpp
View File

@ -101,10 +101,10 @@ private:
std::string temperature_str(const temperature_t temperature) const;
static constexpr temperature_t display_temp_min = 0;
static constexpr temperature_t display_temp_min = -10; //Accomodate negative values, present in cold startup cases
static constexpr temperature_t display_temp_scale = 3;
static constexpr int bar_width = 1;
static constexpr int temp_len = 3;
static constexpr int temp_len = 4; //Now scale shows up to 4 chars ("-10C")
};
class TemperatureView : public View {