64 lines
1.2 KiB
C++
64 lines
1.2 KiB
C++
/*
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* peripherals_adc.hpp
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*
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* Created on: Mar 28, 2021
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* Author: erki
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*/
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#ifndef PERIPHERALS_INC_PERIPHERALS_ADC_HPP_
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#define PERIPHERALS_INC_PERIPHERALS_ADC_HPP_
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#include <array>
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#include <cstdint>
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#include <adc.h>
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namespace Peripherals
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{
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template<std::size_t N>
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struct Adc
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{
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std::array<std::uint16_t, N> readings = {0};
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ADC_HandleTypeDef* hadc = nullptr;
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static constexpr std::uint32_t readingsCount() { return N; }
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Adc() = delete;
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explicit Adc(ADC_HandleTypeDef* hadc) : hadc(hadc) {}
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Adc(const Adc&) = delete;
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Adc(Adc&&) = delete;
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Adc& operator=(const Adc&) = delete;
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Adc& operator=(Adc&&) = delete;
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std::uint16_t read(const std::uint8_t channel, std::uint32_t sampling_time)
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{
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ADC_ChannelConfTypeDef conf;
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conf.Channel = channel;
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conf.Rank = 1;
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conf.SamplingTime = sampling_time;
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HAL_ADC_ConfigChannel(hadc, &conf);
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HAL_ADC_Start(hadc);
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HAL_ADC_PollForConversion(hadc, 100);
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return HAL_ADC_GetValue(hadc);
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}
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void startDma()
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{
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HAL_ADC_Start_DMA(hadc, reinterpret_cast<std::uint32_t*>(readings.data()),
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readingsCount());
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}
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void stopDma() { HAL_ADC_Stop_DMA(hadc); }
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};
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}// namespace Peripherals
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#endif /* PERIPHERALS_INC_PERIPHERALS_ADC_HPP_ */
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