mirror of https://github.com/rusefi/rusefi-1.git
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
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#include "main.h"
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#include "boards.h"
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#include "engine_configuration.h"
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#include "engine_math.h"
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#include "adc_inputs.h"
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#include "interpolation.h"
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#include "error_handling.h"
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extern engine_configuration_s * engineConfiguration;
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/**
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* @brief MAP value decoded for a 1.83 Honda sensor
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* -6.64kPa at zero volts
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* 182.78kPa at 5 volts
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*
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* @returns kPa value
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*/
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float getMAPValueHonda_Denso183(float voltage) {
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return interpolate(0, -6.64, 5, 182.78, voltage);
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}
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float getMAPValueMPX_4250(float voltage) {
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return interpolate(0, 8, 5, 260, voltage);
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}
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/**
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* @brief MAP value decoded according to current settings
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* @returns kPa value
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*/
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float getMapByVoltage(float voltage) {
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MapConf_s * config = &engineConfiguration->map.config;
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switch (config->mapType) {
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case MT_CUSTOM:
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return interpolate(0, config->Min, 5, config->Max, voltage);
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case MT_DENSO183:
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return getMAPValueHonda_Denso183(voltage);
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case MT_MPX4250:
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return getMAPValueMPX_4250(voltage);
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default:
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firmwareError("Unknown MAP type: %d", config->mapType);
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return NAN;
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}
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// todo: here is the place where we should read the settings and decide
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// todo: how to translate voltage into pressure
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// return getMAPValueHonda_Denso183(voltage);
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}
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float getRawMap(void) {
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float voltage = getVoltageDivided(engineConfiguration->map.channel);
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return getMapByVoltage(voltage);
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}
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