mirror of https://github.com/rusefi/rusefi.git
86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
/**
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* @file adc_inputs.h
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* @brief Low level internal ADC code
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*
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* @date Jan 14, 2013
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#pragma once
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#include "global.h"
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#include "adc_math.h"
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#ifndef SLOW_ADC_RATE
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#define SLOW_ADC_RATE 500
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#endif
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float getAnalogInputDividerCoefficient(adc_channel_e);
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inline bool isAdcChannelValid(adc_channel_e hwChannel) {
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if (hwChannel <= EFI_ADC_NONE) {
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return false;
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} else if (hwChannel >= EFI_ADC_LAST_CHANNEL) {
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/* this should not happen!
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* if we have enum out of range somewhere in settings
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* that means something goes terribly wrong
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* TODO: should we say something?
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*/
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return false;
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} else {
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return true;
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}
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}
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#if !defined(GPT_FREQ_FAST) || !defined(GPT_PERIOD_FAST)
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/**
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* 8000 RPM is 133Hz
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* If we want to sample MAP once per 5 degrees we need 133Hz * (360 / 5) = 9576Hz of fast ADC
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*/
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// todo: migrate to continuous ADC mode? probably not - we cannot afford the callback in
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// todo: continuous mode. todo: look into our options
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#define GPT_FREQ_FAST 100000 /* PWM clock frequency. I wonder what does this setting mean? */
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#define GPT_PERIOD_FAST 10 /* PWM period (in PWM ticks). */
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#endif /* GPT_FREQ_FAST GPT_PERIOD_FAST */
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#if HAL_USE_ADC
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typedef enum {
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ADC_OFF = 0,
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ADC_SLOW = 1,
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ADC_FAST = 2,
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} adc_channel_mode_e;
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adc_channel_mode_e getAdcMode(adc_channel_e hwChannel);
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void initAdcInputs();
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// wait until at least 1 slowADC sampling is complete
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void waitForSlowAdc(uint32_t lastAdcCounter = 0);
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// get a number of completed slowADC samples
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int getSlowAdcCounter();
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int getAdcHardwareIndexByInternalIndex(int index);
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void printFullAdcReportIfNeeded(void);
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int getInternalAdcValue(const char *msg, adc_channel_e index);
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float getMCUInternalTemperature(void);
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void addChannel(const char *name, adc_channel_e setting, adc_channel_mode_e mode);
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void removeChannel(const char *name, adc_channel_e setting);
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#define getAdcValue(msg, hwChannel) getInternalAdcValue(msg, hwChannel)
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#define adcToVoltsDivided(adc, hwChannel) (adcToVolts(adc) * getAnalogInputDividerCoefficient(hwChannel))
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// This callback is called by the ADC driver when a new fast ADC sample is ready
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void onFastAdcComplete(adcsample_t* samples);
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using FastAdcToken = size_t;
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FastAdcToken enableFastAdcChannel(const char* msg, adc_channel_e channel);
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adcsample_t getFastAdc(FastAdcToken token);
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#endif // HAL_USE_ADC
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void printFullAdcReport(void);
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