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+//
+// Copyright 2010 Ettus Research LLC
+//
+// 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 of the License, 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 this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+#ifndef INCLUDED_USRP_E100_CODEC_CTRL_HPP
+#define INCLUDED_USRP_E100_CODEC_CTRL_HPP
+
+#include "usrp_e100_iface.hpp"
+#include <uhd/types/ranges.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/utility.hpp>
+
+/*!
+ * The usrp-e codec control:
+ * - Init/power down codec.
+ * - Read aux adc, write aux dac.
+ */
+class usrp_e100_codec_ctrl : boost::noncopyable{
+public:
+ typedef boost::shared_ptr<usrp_e100_codec_ctrl> sptr;
+
+ static const uhd::gain_range_t tx_pga_gain_range;
+ static const uhd::gain_range_t rx_pga_gain_range;
+
+ /*!
+ * Make a new codec control object.
+ * \param iface the usrp_e100 iface object
+ * \return the codec control object
+ */
+ static sptr make(usrp_e100_iface::sptr iface);
+
+ //! aux adc identifier constants
+ enum aux_adc_t{
+ AUX_ADC_A2 = 0xA2,
+ AUX_ADC_A1 = 0xA1,
+ AUX_ADC_B2 = 0xB2,
+ AUX_ADC_B1 = 0xB1
+ };
+
+ /*!
+ * Read an auxiliary adc:
+ * The internals remember which aux adc was read last.
+ * Therefore, the aux adc switch is only changed as needed.
+ * \param which which of the 4 adcs
+ * \return a value in volts
+ */
+ virtual float read_aux_adc(aux_adc_t which) = 0;
+
+ //! aux dac identifier constants
+ enum aux_dac_t{
+ AUX_DAC_A = 0xA,
+ AUX_DAC_B = 0xB,
+ AUX_DAC_C = 0xC,
+ AUX_DAC_D = 0xD //really the sigma delta output
+ };
+
+ /*!
+ * Write an auxiliary dac.
+ * \param which which of the 4 dacs
+ * \param volts the level in in volts
+ */
+ virtual void write_aux_dac(aux_dac_t which, float volts) = 0;
+
+ //! Set the TX PGA gain
+ virtual void set_tx_pga_gain(float gain) = 0;
+
+ //! Get the TX PGA gain
+ virtual float get_tx_pga_gain(void) = 0;
+
+ //! Set the RX PGA gain ('A' or 'B')
+ virtual void set_rx_pga_gain(float gain, char which) = 0;
+
+ //! Get the RX PGA gain ('A' or 'B')
+ virtual float get_rx_pga_gain(char which) = 0;
+};
+
+#endif /* INCLUDED_USRP_E100_CODEC_CTRL_HPP */