2020-04-01 10:04:42 +00:00
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#pragma once
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#include "stmlib/stmlib.h"
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2020-04-10 18:21:18 +00:00
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#include <stm32f0xx_hal.h>
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2020-04-01 10:04:42 +00:00
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namespace stereo_mix {
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enum AdcChannel {
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2020-04-23 18:29:30 +00:00
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ADC_CHANNEL_VOL_1,
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ADC_CHANNEL_VOL_2,
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ADC_CHANNEL_VOL_3,
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ADC_CHANNEL_VOL_4,
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ADC_CHANNEL_PAN_1,
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ADC_CHANNEL_PAN_2,
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ADC_CHANNEL_PAN_3,
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ADC_CHANNEL_PAN_4,
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2020-04-10 18:21:18 +00:00
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ADC_CHANNEL_MUX,
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2020-04-01 10:04:42 +00:00
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ADC_CHANNEL_LAST,
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2020-04-12 07:13:52 +00:00
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ADC_CHANNEL_COUNT = (ADC_CHANNEL_LAST * 2) - 1
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};
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enum AdcGroup {
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ADC_GROUP_CV = 0,
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ADC_GROUP_POT = ADC_CHANNEL_LAST,
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ADC_GROUP_COUNT
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2020-04-01 10:04:42 +00:00
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};
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class Adc {
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public:
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2020-04-13 13:39:01 +00:00
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Adc();
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~Adc();
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2020-04-01 10:04:42 +00:00
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2020-04-10 18:21:18 +00:00
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void OnDMATransferComplete();
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2020-04-01 10:04:42 +00:00
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inline const uint16_t* values() { return &values_[0]; }
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2020-04-25 16:30:09 +00:00
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inline int16_t cv_value(AdcChannel channel)
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{
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#ifdef NEW_HARDWARE
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return this->values_[ADC_GROUP_CV + channel] - 32768;
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#else
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if (channel >= ADC_CHANNEL_PAN_1) {
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return this->values_[ADC_GROUP_CV + channel] - 32768;
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} else {
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return this->values_[ADC_GROUP_CV + channel] >> 1;
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}
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#endif
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}
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inline uint16_t value(int32_t channel) const
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2020-04-01 10:04:42 +00:00
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{
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2020-04-26 14:48:47 +00:00
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return static_cast<uint16_t>(values_[channel]);
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2020-04-01 10:04:42 +00:00
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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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2020-04-12 07:13:52 +00:00
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uint16_t values_[ADC_CHANNEL_COUNT];
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2020-04-01 10:04:42 +00:00
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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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