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60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
#pragma once
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#include "stmlib/stmlib.h"
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namespace stereo_mix {
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enum AdcChannel {
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ADC_CHANNEL_MUX,
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ADC_CHANNEL_CV_PAN_4,
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ADC_CHANNEL_CV_PAN_3,
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ADC_CHANNEL_CV_PAN_2,
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ADC_CHANNEL_CV_PAN_1,
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ADC_CHANNEL_CV_VOL_4,
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ADC_CHANNEL_CV_VOL_3,
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ADC_CHANNEL_CV_VOL_2,
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ADC_CHANNEL_CV_VOL_1,
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ADC_CHANNEL_POT_VOL_1,
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ADC_CHANNEL_POT_VOL_2,
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ADC_CHANNEL_POT_VOL_3,
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ADC_CHANNEL_POT_VOL_4,
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ADC_CHANNEL_POT_PAN_1,
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ADC_CHANNEL_POT_PAN_2,
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ADC_CHANNEL_POT_PAN_3,
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ADC_CHANNEL_POT_PAN_4,
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ADC_CHANNEL_LAST,
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ADC_CHANNEL_FIRST_DIRECT = ADC_CHANNEL_MUX,
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ADC_CHANNEL_LAST_DIRECT = ADC_CHANNEL_CV_VOL_1,
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ADC_CHANNEL_FIRST_MUXED = ADC_CHANNEL_POT_VOL_1,
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ADC_CHANNEL_LAST_MUXED = ADC_CHANNEL_POT_PAN_4,
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ADC_CHANNEL_NUM_DIRECT = ADC_CHANNEL_CV_VOL_1 + 1,
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ADC_CHANNEL_NUM_MUXED = ADC_CHANNEL_LAST - ADC_CHANNEL_FIRST_MUXED,
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};
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class Adc {
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public:
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Adc() {}
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~Adc() {}
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void Init();
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void DeInit();
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void OnDMAFinish();
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inline const uint16_t* values() { return &values_[0]; }
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inline int32_t value(int32_t channel) const
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{
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return static_cast<int32_t>(values_[channel]);
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}
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inline float float_value(int32_t index) const
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{
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return static_cast<float>(values_[index]) / 65536.0f;
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}
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private:
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uint16_t values_[ADC_CHANNEL_LAST];
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uint8_t mux_index_;
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DISALLOW_COPY_AND_ASSIGN(Adc);
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};
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} // namespace stereo_mix
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