mirror of https://github.com/rusefi/rusefi-1.git
52 lines
979 B
C++
52 lines
979 B
C++
/**
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* @file adc_hack.cpp
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* @brief Hacky support for a single channel on adc3
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*
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* @date December 17, 2019
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* @author Matthew Kennedy, (c) 2019
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*/
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#include "pch.h"
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#if USE_ADC3_VBATT_HACK
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static ADCConversionGroup adcConvGroup = { FALSE, 1, nullptr, nullptr,
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0,
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ADC_CR2_SWSTART,
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0, // sample times for channels 10...18
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ADC_SMPR2_SMP_AN9(ADC_SAMPLE_56),
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0, // htr
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0, // ltr
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0, // sqr1
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0, // sqr2
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ADC_SQR3_SQ1_N(ADC_CHANNEL_IN9) // sqr3 - vbatt is on pf3 = adc9
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};
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static NO_CACHE adcsample_t samples[8];
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// we use this as a hook to run near the rest of ADC init...
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void setAdcChannelOverrides() {
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efiSetPadMode("adc input", Gpio::F3, PAL_MODE_INPUT_ANALOG);
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adcStart(&ADCD3, nullptr);
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}
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adcsample_t vbattSampleProteus = 0;
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void proteusAdcHack()
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{
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adcConvert(&ADCD3, &adcConvGroup, samples, 8);
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uint32_t sum = 0;
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for (int i = 0; i < 8; i++) {
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sum += samples[i];
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}
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vbattSampleProteus = sum / efi::size(samples);
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}
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#endif /* USE_ADC3_VBATT_HACK */
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