adc_sample_conv.hpp

/*
 * Copyright 2016 Analog Devices, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Radio; see the file LICENSE.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef ADC_SAMPLE_CONV_HPP
#define ADC_SAMPLE_CONV_HPP

#include <gnuradio/sync_block.h>
#include <memory>

namespace adiscope {

	class M2kAdc;
	class adc_sample_conv : public gr::sync_block
	{
	private:
		int d_nconnections;
		bool inverse;
		std::vector<float> d_correction_gains;
		std::vector<float> d_filter_compensations;
		std::vector<float> d_offsets;
		std::vector<float> d_hardware_gains;
		std::shared_ptr<M2kAdc> m2k_adc;
		void updateCorrectionGain();

	public:
		explicit adc_sample_conv(int nconnections,
					 std::shared_ptr<M2kAdc> m2k_adc,
					 bool inverse = false);
		~adc_sample_conv();

		static float convSampleToVolts(float sample,
				float correctionGain = 1,
				float filterCompensation = 1,
				float offset = 0,
				float hw_gain = 0.02);
		static float convVoltsToSample(float sample,
				float correctionGain = 1,
				float filterCompensation = 1,
				float offset = 0,
				float hw_gain = 0.02);

		void setCorrectionGain(int connection, float gain);
		float correctionGain(int connection);

		void setFilterCompensation(int connection, float val);
		float filterCompensation(int connection);

		void setOffset(int connection, float offset);
		float offset(int connection) const;

		void setHardwareGain(int connection, float gain);
		float hardwareGain(int connection) const;

		int work(int noutput_items,
				gr_vector_const_void_star &input_items,
				gr_vector_void_star &output_items);

	};
}

#endif /* ADC_SAMPLE_CONV_HPP */