diff options
Diffstat (limited to 'host/lib/usrp/common/ad9361_driver/ad9361_device.h')
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.h | 150 |
1 files changed, 108 insertions, 42 deletions
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.h b/host/lib/usrp/common/ad9361_driver/ad9361_device.h index 0cb4b32a4..f54e04473 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.h +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.h @@ -2,52 +2,118 @@ // Copyright 2014 Ettus Research LLC // -#ifndef INCLUDED_AD9361_CHIP_H -#define INCLUDED_AD9361_CHIP_H +#ifndef INCLUDED_AD9361_DEVICE_H +#define INCLUDED_AD9361_DEVICE_H #include <stdint.h> +#include <ad9361_client.h> +#include <boost/noncopyable.hpp> -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - AD9361_GENERIC, AD9361_B200 -} ad9361_product_t; - -//////////////////////////////////////////////////////////// -// shadow registers -typedef struct { - uint8_t vcodivs; - uint8_t inputsel; - uint8_t rxfilt; - uint8_t txfilt; - uint8_t bbpll; - uint8_t bbftune_config; - uint8_t bbftune_mode; -} ad9361_chip_regs_t; - -//////////////////////////////////////////////////////////// -// other private data fields for VRQ handler -typedef struct { - //Product - ad9361_product_t product; +namespace uhd { namespace usrp { + +class ad9361_device_t : public boost::noncopyable +{ +public: + enum direction_t { RX, TX }; + enum chain_t { CHAIN_1, CHAIN_2 }; + + ad9361_device_t(ad9361_params::sptr client, ad9361_io::sptr io_iface) : + _client_params(client), _io_iface(io_iface) {} + + /* Initialize the AD9361 codec. */ + void initialize(); + + /* This function sets the RX / TX rate between AD9361 and the FPGA, and + * thus determines the interpolation / decimation required in the FPGA to + * achieve the user's requested rate. + */ + double set_clock_rate(const double req_rate); + + /* Set which of the four TX / RX chains provided by AD9361 are active. + * + * AD9361 provides two sets of chains, Side A and Side B. Each side + * provides one TX antenna, and one RX antenna. The B200 maintains the USRP + * standard of providing one antenna connection that is both TX & RX, and + * one that is RX-only - for each chain. Thus, the possible antenna and + * chain selections are: + * + */ + void set_active_chains(bool tx1, bool tx2, bool rx1, bool rx2); + + /* Tune the RX or TX frequency. + * + * This is the publicly-accessible tune function. It makes sure the tune + * isn't a redundant request, and if not, passes it on to the class's + * internal tune function. + * + * After tuning, it runs any appropriate calibrations. */ + double tune(direction_t direction, const double value); + + /* Set the gain of RX1, RX2, TX1, or TX2. + * + * Note that the 'value' passed to this function is the actual gain value, + * _not_ the gain index. This is the opposite of the eval software's GUI! + * Also note that the RX chains are done in terms of gain, and the TX chains + * are done in terms of attenuation. */ + double set_gain(direction_t direction, chain_t chain, const double value); + + /* Make AD9361 output its test tone. */ + void output_test_tone(); + + /* Turn on/off AD9361's TX port --> RX port loopback. */ + void data_port_loopback(const bool loopback_enabled); + +private: //Methods + void _program_fir_filter(direction_t direction, int num_taps, uint16_t *coeffs); + void _setup_tx_fir(size_t num_taps); + void _setup_rx_fir(size_t num_taps); + void _calibrate_lock_bbpll(); + void _calibrate_synth_charge_pumps(); + double _calibrate_baseband_rx_analog_filter(); + double _calibrate_baseband_tx_analog_filter(); + void _calibrate_secondary_tx_filter(); + void _calibrate_rx_TIAs(); + void _setup_adc(); + void _calibrate_baseband_dc_offset(); + void _calibrate_rf_dc_offset(); + void _calibrate_rx_quadrature(); + void _tx_quadrature_cal_routine(); + void _calibrate_tx_quadrature(); + void _program_mixer_gm_subtable(); + void _program_gain_table(); + void _setup_gain_control(); + void _setup_synth(direction_t direction, double vcorate); + double _tune_bbvco(const double rate); + void _reprogram_gains(); + double _tune_helper(direction_t direction, const double value); + double _setup_rates(const double rate); + +private: //Members + typedef struct { + uint8_t vcodivs; + uint8_t inputsel; + uint8_t rxfilt; + uint8_t txfilt; + uint8_t bbpll; + uint8_t bbftune_config; + uint8_t bbftune_mode; + } chip_regs_t; + + //Interfaces + ad9361_params::sptr _client_params; + ad9361_io::sptr _io_iface; //Intermediate state - double rx_freq, tx_freq, req_rx_freq, req_tx_freq; - double baseband_bw, bbpll_freq, adcclock_freq; - double req_clock_rate, req_coreclk; - uint16_t rx_bbf_tunediv; - uint8_t curr_gain_table; - uint32_t rx1_gain, rx2_gain, tx1_gain, tx2_gain; - int32_t tfir_factor; + double _rx_freq, _tx_freq, _req_rx_freq, _req_tx_freq; + double _baseband_bw, _bbpll_freq, _adcclock_freq; + double _req_clock_rate, _req_coreclk; + uint16_t _rx_bbf_tunediv; + uint8_t _curr_gain_table; + uint32_t _rx1_gain, _rx2_gain, _tx1_gain, _tx2_gain; + int32_t _tfir_factor; //Register soft-copies - ad9361_chip_regs_t regs; - //IO Interface - void* io_iface; -} ad9361_device_t; + chip_regs_t _regs; +}; -#ifdef __cplusplus -} -#endif +}} //namespace -#endif /* INCLUDED_AD9361_CHIP_H */ +#endif /* INCLUDED_AD9361_DEVICE_H */ |