diff options
Diffstat (limited to 'usrp')
| -rw-r--r-- | usrp/host/lib/usrp_basic.h.in | 960 |
1 files changed, 0 insertions, 960 deletions
diff --git a/usrp/host/lib/usrp_basic.h.in b/usrp/host/lib/usrp_basic.h.in deleted file mode 100644 index 3faa5304f..000000000 --- a/usrp/host/lib/usrp_basic.h.in +++ /dev/null @@ -1,960 +0,0 @@ -class fusb_devhandle; -class fusb_ephandle; - -enum txrx_t { - C_RX = 0, - C_TX = 1 -}; - -/* - * ---------------------------------------------------------------------- - * Mid level interface to the Universal Software Radio Peripheral (Rev 1) - * - * These classes implement the basic functionality for talking to the - * USRP. They try to be as independent of the signal processing code - * in FPGA as possible. They implement access to the low level - * peripherals on the board, provide a common way for reading and - * writing registers in the FPGA, and provide the high speed interface - * to streaming data across the USB. - * - * It is expected that subclasses will be derived that provide - * access to the functionality to a particular FPGA configuration. - * ---------------------------------------------------------------------- - */ - - -/*! - * \brief abstract base class for usrp operations - * \ingroup usrp - */ -class usrp_basic : boost::noncopyable -{ -protected: - void shutdown_daughterboards(); - -protected: - libusb_device_handle *d_udh; - struct libusb_context *d_ctx; - int d_usb_data_rate; // bytes/sec - int d_bytes_per_poll; // how often to poll for overruns - bool d_verbose; - long d_fpga_master_clock_freq; - - static const int MAX_REGS = 128; - unsigned int d_fpga_shadows[MAX_REGS]; - - int d_dbid[2]; // daughterboard ID's (side A, side B) - - /*! - * Shared pointers to subclasses of db_base. - * - * The outer vector is of length 2 (0 = side A, 1 = side B). The - * inner vectors are of length 1, 2 or 3 depending on the number of - * subdevices implemented by the daugherboard. At this time, only - * the Basic Rx and LF Rx implement more than 1 subdevice. - */ - std::vector< std::vector<db_base_sptr> > d_db; - - //! One time call, made only only from usrp_standard_*::make after shared_ptr is created. - void init_db(usrp_basic_sptr u); - - - usrp_basic (int which_board, - libusb_device_handle *open_interface (libusb_device *dev), - const std::string fpga_filename = "", - const std::string firmware_filename = ""); - - /*! - * \brief advise usrp_basic of usb data rate (bytes/sec) - * - * N.B., this doesn't tweak any hardware. Derived classes - * should call this to inform us of the data rate whenever it's - * first set or if it changes. - * - * \param usb_data_rate bytes/sec - */ - void set_usb_data_rate (int usb_data_rate); - - /*! - * \brief Write auxiliary digital to analog converter. - * - * \param slot Which Tx or Rx slot to write. - * N.B., SLOT_TX_A and SLOT_RX_A share the same AUX DAC's. - * SLOT_TX_B and SLOT_RX_B share the same AUX DAC's. - * \param which_dac [0,3] RX slots must use only 0 and 1. TX slots must use only 2 and 3. - * \param value [0,4095] - * \returns true iff successful - */ - bool _write_aux_dac (int slot, int which_dac, int value); - - /*! - * \brief Read auxiliary analog to digital converter. - * - * \param slot 2-bit slot number. E.g., SLOT_TX_A - * \param which_adc [0,1] - * \param value return 12-bit value [0,4095] - * \returns true iff successful - */ - bool _read_aux_adc (int slot, int which_adc, int *value); - - /*! - * \brief Read auxiliary analog to digital converter. - * - * \param slot 2-bit slot number. E.g., SLOT_TX_A - * \param which_adc [0,1] - * \returns value in the range [0,4095] if successful, else READ_FAILED. - */ - int _read_aux_adc (int slot, int which_adc); - - -public: - virtual ~usrp_basic (); - - - /*! - * Return a vector of vectors that contain shared pointers - * to the daughterboard instance(s) associated with the specified side. - * - * It is an error to use the returned objects after the usrp_basic - * object has been destroyed. - */ - std::vector<std::vector<db_base_sptr> > db() const { return d_db; } - - /*! - * Return a vector of size >= 1 that contains shared pointers - * to the daughterboard instance(s) associated with the specified side. - * - * \param which_side [0,1] which daughterboard - * - * It is an error to use the returned objects after the usrp_basic - * object has been destroyed. - */ - std::vector<db_base_sptr> db(int which_side); - - /*! - * \brief is the subdev_spec valid? - */ - bool is_valid(const usrp_subdev_spec &ss); - - /*! - * \brief given a subdev_spec, return the corresponding daughterboard object. - * \throws std::invalid_ argument if ss is invalid. - * - * \param ss specifies the side and subdevice - */ - db_base_sptr selected_subdev(const usrp_subdev_spec &ss); - - /*! - * \brief return frequency of master oscillator on USRP - */ - long fpga_master_clock_freq () const { return d_fpga_master_clock_freq; } - - /*! - * Tell API that the master oscillator on the USRP is operating at a non-standard - * fixed frequency. This is only needed for custom USRP hardware modified to - * operate at a different frequency from the default factory configuration. This - * function must be called prior to any other API function. - * \param master_clock USRP2 FPGA master clock frequency in Hz (10..64 MHz) - */ - void set_fpga_master_clock_freq (long master_clock) { d_fpga_master_clock_freq = master_clock; } - - /*! - * \returns usb data rate in bytes/sec - */ - int usb_data_rate () const { return d_usb_data_rate; } - - void set_verbose (bool on) { d_verbose = on; } - - //! magic value used on alternate register read interfaces - static const int READ_FAILED = -99999; - - /*! - * \brief Write EEPROM on motherboard or any daughterboard. - * \param i2c_addr I2C bus address of EEPROM - * \param eeprom_offset byte offset in EEPROM to begin writing - * \param buf the data to write - * \returns true iff sucessful - */ - bool write_eeprom (int i2c_addr, int eeprom_offset, const std::string buf); - - /*! - * \brief Read EEPROM on motherboard or any daughterboard. - * \param i2c_addr I2C bus address of EEPROM - * \param eeprom_offset byte offset in EEPROM to begin reading - * \param len number of bytes to read - * \returns the data read if successful, else a zero length string. - */ - std::string read_eeprom (int i2c_addr, int eeprom_offset, int len); - - /*! - * \brief Write to I2C peripheral - * \param i2c_addr I2C bus address (7-bits) - * \param buf the data to write - * \returns true iff successful - * Writes are limited to a maximum of of 64 bytes. - */ - bool write_i2c (int i2c_addr, const std::string buf); - - /*! - * \brief Read from I2C peripheral - * \param i2c_addr I2C bus address (7-bits) - * \param len number of bytes to read - * \returns the data read if successful, else a zero length string. - * Reads are limited to a maximum of 64 bytes. - */ - std::string read_i2c (int i2c_addr, int len); - - /*! - * \brief Set ADC offset correction - * \param which_adc which ADC[0,3]: 0 = RX_A I, 1 = RX_A Q... - * \param offset 16-bit value to subtract from raw ADC input. - */ - bool set_adc_offset (int which_adc, int offset); - - /*! - * \brief Set DAC offset correction - * \param which_dac which DAC[0,3]: 0 = TX_A I, 1 = TX_A Q... - * \param offset 10-bit offset value (ambiguous format: See AD9862 datasheet). - * \param offset_pin 1-bit value. If 0 offset applied to -ve differential pin; - * If 1 offset applied to +ve differential pin. - */ - bool set_dac_offset (int which_dac, int offset, int offset_pin); - - /*! - * \brief Control ADC input buffer - * \param which_adc which ADC[0,3] - * \param bypass if non-zero, bypass input buffer and connect input - * directly to switched cap SHA input of RxPGA. - */ - bool set_adc_buffer_bypass (int which_adc, bool bypass); - - /*! - * \brief Enable/disable automatic DC offset removal control loop in FPGA - * - * \param bits which control loops to enable - * \param mask which \p bits to pay attention to - * - * If the corresponding bit is set, enable the automatic DC - * offset correction control loop. - * - * <pre> - * The 4 low bits are significant: - * - * ADC0 = (1 << 0) - * ADC1 = (1 << 1) - * ADC2 = (1 << 2) - * ADC3 = (1 << 3) - * </pre> - * - * By default the control loop is enabled on all ADC's. - */ - bool set_dc_offset_cl_enable(int bits, int mask); - - /*! - * \brief return the usrp's serial number. - * - * \returns non-zero length string iff successful. - */ - std::string serial_number(); - - /*! - * \brief Return daughterboard ID for given side [0,1]. - * - * \param which_side [0,1] which daughterboard - * - * \return daughterboard id >= 0 if successful - * \return -1 if no daugherboard - * \return -2 if invalid EEPROM on daughterboard - */ - virtual int daughterboard_id (int which_side) const = 0; - - /*! - * \brief Clock ticks to delay rising of T/R signal - * \sa write_atr_mask, write_atr_txval, write_atr_rxval - */ - bool write_atr_tx_delay(int value); - - /*! - * \brief Clock ticks to delay falling edge of T/R signal - * \sa write_atr_mask, write_atr_txval, write_atr_rxval - */ - bool write_atr_rx_delay(int value); - - - // ================================================================ - // Routines to access and control daughterboard specific i/o - // - // Those with a common_ prefix access either the Tx or Rx side depending - // on the txrx parameter. Those without the common_ prefix are virtual - // and are overriden in usrp_basic_rx and usrp_basic_tx to access the - // the Rx or Tx sides automatically. We provide the common_ versions - // for those daughterboards such as the WBX and XCVR2450 that share - // h/w resources (such as the LO) between the Tx and Rx sides. - - // ---------------------------------------------------------------- - // BEGIN common_ daughterboard control functions - - /*! - * \brief Set Programmable Gain Amplifier(PGA) - * - * \param txrx Tx or Rx? - * \param which_amp which amp [0,3] - * \param gain_in_db gain value(linear in dB) - * - * gain is rounded to closest setting supported by hardware. - * - * \returns true iff sucessful. - * - * \sa pga_min(), pga_max(), pga_db_per_step() - */ - bool common_set_pga(txrx_t txrx, int which_amp, double gain_in_db); - - /*! - * \brief Return programmable gain amplifier gain setting in dB. - * - * \param txrx Tx or Rx? - * \param which_amp which amp [0,3] - */ - double common_pga(txrx_t txrx, int which_amp) const; - - /*! - * \brief Return minimum legal PGA gain in dB. - * \param txrx Tx or Rx? - */ - double common_pga_min(txrx_t txrx) const; - - /*! - * \brief Return maximum legal PGA gain in dB. - * \param txrx Tx or Rx? - */ - double common_pga_max(txrx_t txrx) const; - - /*! - * \brief Return hardware step size of PGA(linear in dB). - * \param txrx Tx or Rx? - */ - double common_pga_db_per_step(txrx_t txrx) const; - - /*! - * \brief Write direction register(output enables) for pins that go to daughterboard. - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which size - * \param value value to write into register - * \param mask which bits of value to write into reg - * - * Each d'board has 16-bits of general purpose i/o. - * Setting the bit makes it an output from the FPGA to the d'board. - * - * This register is initialized based on a value stored in the - * d'board EEPROM. In general, you shouldn't be using this routine - * without a very good reason. Using this method incorrectly will - * kill your USRP motherboard and/or daughterboard. - */ - bool _common_write_oe(txrx_t txrx, int which_side, int value, int mask); - - /*! - * \brief Write daughterboard i/o pin value - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which d'board - * \param value value to write into register - * \param mask which bits of value to write into reg - */ - bool common_write_io(txrx_t txrx, int which_side, int value, int mask); - - /*! - * \brief Read daughterboard i/o pin value - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which d'board - * \param value output - */ - bool common_read_io(txrx_t txrx, int which_side, int *value); - - /*! - * \brief Read daughterboard i/o pin value - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which d'board - * \returns register value if successful, else READ_FAILED - */ - int common_read_io(txrx_t txrx, int which_side); - - /*! - * \brief Write daughterboard refclk config register - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which d'board - * \param value value to write into register, see below - * - * <pre> - * Control whether a reference clock is sent to the daughterboards, - * and what frequency. The refclk is sent on d'board i/o pin 0. - * - * 3 2 1 - * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 - * +-----------------------------------------------+-+------------+ - * | Reserved (Must be zero) |E| DIVISOR | - * +-----------------------------------------------+-+------------+ - * - * Bit 7 -- 1 turns on refclk, 0 allows IO use - * Bits 6:0 Divider value - * </pre> - */ - bool common_write_refclk(txrx_t txrx, int which_side, int value); - - /*! - * \brief Automatic Transmit/Receive switching - * <pre> - * - * If automatic transmit/receive (ATR) switching is enabled in the - * FR_ATR_CTL register, the presence or absence of data in the FPGA - * transmit fifo selects between two sets of values for each of the 4 - * banks of daughterboard i/o pins. - * - * Each daughterboard slot has 3 16-bit registers associated with it: - * FR_ATR_MASK_*, FR_ATR_TXVAL_* and FR_ATR_RXVAL_* - * - * FR_ATR_MASK_{0,1,2,3}: - * - * These registers determine which of the daugherboard i/o pins are - * affected by ATR switching. If a bit in the mask is set, the - * corresponding i/o bit is controlled by ATR, else it's output - * value comes from the normal i/o pin output register: - * FR_IO_{0,1,2,3}. - * - * FR_ATR_TXVAL_{0,1,2,3}: - * FR_ATR_RXVAL_{0,1,2,3}: - * - * If the Tx fifo contains data, then the bits from TXVAL that are - * selected by MASK are output. Otherwise, the bits from RXVAL that - * are selected by MASK are output. - * </pre> - */ - bool common_write_atr_mask(txrx_t txrx, int which_side, int value); - bool common_write_atr_txval(txrx_t txrx, int which_side, int value); - bool common_write_atr_rxval(txrx_t txrx, int which_side, int value); - - /*! - * \brief Write auxiliary digital to analog converter. - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which d'board - * N.B., SLOT_TX_A and SLOT_RX_A share the same AUX DAC's. - * SLOT_TX_B and SLOT_RX_B share the same AUX DAC's. - * \param which_dac [2,3] TX slots must use only 2 and 3. - * \param value [0,4095] - * \returns true iff successful - */ - bool common_write_aux_dac(txrx_t txrx, int which_side, int which_dac, int value); - - /*! - * \brief Read auxiliary analog to digital converter. - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which d'board - * \param which_adc [0,1] - * \param value return 12-bit value [0,4095] - * \returns true iff successful - */ - bool common_read_aux_adc(txrx_t txrx, int which_side, int which_adc, int *value); - - /*! - * \brief Read auxiliary analog to digital converter. - * - * \param txrx Tx or Rx? - * \param which_side [0,1] which d'board - * \param which_adc [0,1] - * \returns value in the range [0,4095] if successful, else READ_FAILED. - */ - int common_read_aux_adc(txrx_t txrx, int which_side, int which_adc); - - // END common_ daughterboard control functions - // ---------------------------------------------------------------- - // BEGIN virtual daughterboard control functions - - /*! - * \brief Set Programmable Gain Amplifier (PGA) - * - * \param which_amp which amp [0,3] - * \param gain_in_db gain value (linear in dB) - * - * gain is rounded to closest setting supported by hardware. - * - * \returns true iff sucessful. - * - * \sa pga_min(), pga_max(), pga_db_per_step() - */ - virtual bool set_pga (int which_amp, double gain_in_db) = 0; - - /*! - * \brief Return programmable gain amplifier gain setting in dB. - * - * \param which_amp which amp [0,3] - */ - virtual double pga (int which_amp) const = 0; - - /*! - * \brief Return minimum legal PGA gain in dB. - */ - virtual double pga_min () const = 0; - - /*! - * \brief Return maximum legal PGA gain in dB. - */ - virtual double pga_max () const = 0; - - /*! - * \brief Return hardware step size of PGA (linear in dB). - */ - virtual double pga_db_per_step () const = 0; - - /*! - * \brief Write direction register (output enables) for pins that go to daughterboard. - * - * \param which_side [0,1] which size - * \param value value to write into register - * \param mask which bits of value to write into reg - * - * Each d'board has 16-bits of general purpose i/o. - * Setting the bit makes it an output from the FPGA to the d'board. - * - * This register is initialized based on a value stored in the - * d'board EEPROM. In general, you shouldn't be using this routine - * without a very good reason. Using this method incorrectly will - * kill your USRP motherboard and/or daughterboard. - */ - virtual bool _write_oe (int which_side, int value, int mask) = 0; - - /*! - * \brief Write daughterboard i/o pin value - * - * \param which_side [0,1] which d'board - * \param value value to write into register - * \param mask which bits of value to write into reg - */ - virtual bool write_io (int which_side, int value, int mask) = 0; - - /*! - * \brief Read daughterboard i/o pin value - * - * \param which_side [0,1] which d'board - * \param value output - */ - virtual bool read_io (int which_side, int *value) = 0; - - /*! - * \brief Read daughterboard i/o pin value - * - * \param which_side [0,1] which d'board - * \returns register value if successful, else READ_FAILED - */ - virtual int read_io (int which_side) = 0; - - /*! - * \brief Write daughterboard refclk config register - * - * \param which_side [0,1] which d'board - * \param value value to write into register, see below - * - * <pre> - * Control whether a reference clock is sent to the daughterboards, - * and what frequency. The refclk is sent on d'board i/o pin 0. - * - * 3 2 1 - * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 - * +-----------------------------------------------+-+------------+ - * | Reserved (Must be zero) |E| DIVISOR | - * +-----------------------------------------------+-+------------+ - * - * Bit 7 -- 1 turns on refclk, 0 allows IO use - * Bits 6:0 Divider value - * </pre> - */ - virtual bool write_refclk(int which_side, int value) = 0; - - virtual bool write_atr_mask(int which_side, int value) = 0; - virtual bool write_atr_txval(int which_side, int value) = 0; - virtual bool write_atr_rxval(int which_side, int value) = 0; - - /*! - * \brief Write auxiliary digital to analog converter. - * - * \param which_side [0,1] which d'board - * N.B., SLOT_TX_A and SLOT_RX_A share the same AUX DAC's. - * SLOT_TX_B and SLOT_RX_B share the same AUX DAC's. - * \param which_dac [2,3] TX slots must use only 2 and 3. - * \param value [0,4095] - * \returns true iff successful - */ - virtual bool write_aux_dac (int which_side, int which_dac, int value) = 0; - - /*! - * \brief Read auxiliary analog to digital converter. - * - * \param which_side [0,1] which d'board - * \param which_adc [0,1] - * \param value return 12-bit value [0,4095] - * \returns true iff successful - */ - virtual bool read_aux_adc (int which_side, int which_adc, int *value) = 0; - - /*! - * \brief Read auxiliary analog to digital converter. - * - * \param which_side [0,1] which d'board - * \param which_adc [0,1] - * \returns value in the range [0,4095] if successful, else READ_FAILED. - */ - virtual int read_aux_adc (int which_side, int which_adc) = 0; - - /*! - * \brief returns current fusb block size - */ - virtual int block_size() const = 0; - - /*! - * \brief returns A/D or D/A converter rate in Hz - */ - virtual long converter_rate() const = 0; - - // END virtual daughterboard control functions - - // ---------------------------------------------------------------- - // Low level implementation routines. - // You probably shouldn't be using these... - // - - bool _set_led (int which_led, bool on); - - /*! - * \brief Write FPGA register. - * \param regno 7-bit register number - * \param value 32-bit value - * \returns true iff successful - */ - bool _write_fpga_reg (int regno, int value); //< 7-bit regno, 32-bit value - - /*! - * \brief Read FPGA register. - * \param regno 7-bit register number - * \param value 32-bit value - * \returns true iff successful - */ - bool _read_fpga_reg (int regno, int *value); //< 7-bit regno, 32-bit value - - /*! - * \brief Read FPGA register. - * \param regno 7-bit register number - * \returns register value if successful, else READ_FAILED - */ - int _read_fpga_reg (int regno); - - /*! - * \brief Write FPGA register with mask. - * \param regno 7-bit register number - * \param value 16-bit value - * \param mask 16-bit value - * \returns true if successful - * Only use this for registers who actually implement a mask in the verilog firmware, like FR_RX_MASTER_SLAVE - */ - bool _write_fpga_reg_masked (int regno, int value, int mask); - - /*! - * \brief Write AD9862 register. - * \param which_codec 0 or 1 - * \param regno 6-bit register number - * \param value 8-bit value - * \returns true iff successful - */ - bool _write_9862 (int which_codec, int regno, unsigned char value); - - /*! - * \brief Read AD9862 register. - * \param which_codec 0 or 1 - * \param regno 6-bit register number - * \param value 8-bit value - * \returns true iff successful - */ - bool _read_9862 (int which_codec, int regno, unsigned char *value) const; - - /*! - * \brief Read AD9862 register. - * \param which_codec 0 or 1 - * \param regno 6-bit register number - * \returns register value if successful, else READ_FAILED - */ - int _read_9862 (int which_codec, int regno) const; - - /*! - * \brief Write data to SPI bus peripheral. - * - * \param optional_header 0,1 or 2 bytes to write before buf. - * \param enables bitmask of peripherals to write. See usrp_spi_defs.h - * \param format transaction format. See usrp_spi_defs.h SPI_FMT_* - * \param buf the data to write - * \returns true iff successful - * Writes are limited to a maximum of 64 bytes. - * - * If \p format specifies that optional_header bytes are present, they are - * written to the peripheral immediately prior to writing \p buf. - */ - bool _write_spi (int optional_header, int enables, int format, std::string buf); - - /* - * \brief Read data from SPI bus peripheral. - * - * \param optional_header 0,1 or 2 bytes to write before buf. - * \param enables bitmask of peripheral to read. See usrp_spi_defs.h - * \param format transaction format. See usrp_spi_defs.h SPI_FMT_* - * \param len number of bytes to read. Must be in [0,64]. - * \returns the data read if sucessful, else a zero length string. - * - * Reads are limited to a maximum of 64 bytes. - * - * If \p format specifies that optional_header bytes are present, they - * are written to the peripheral first. Then \p len bytes are read from - * the peripheral and returned. - */ - std::string _read_spi (int optional_header, int enables, int format, int len); - - /*! - * \brief Start data transfers. - * Called in base class to derived class order. - */ - bool start (); - - /*! - * \brief Stop data transfers. - * Called in base class to derived class order. - */ - bool stop (); -}; - - /*! - * \brief class for accessing the receive side of the USRP - * \ingroup usrp - */ -class usrp_basic_rx : public usrp_basic -{ -private: - fusb_devhandle *d_devhandle; - fusb_ephandle *d_ephandle; - int d_bytes_seen; // how many bytes we've seen - bool d_first_read; - bool d_rx_enable; - -protected: - /*! - * \param which_board Which USRP board on usb (not particularly useful; use 0) - * \param fusb_block_size fast usb xfer block size. Must be a multiple of 512. - * Use zero for a reasonable default. - * \param fusb_nblocks number of fast usb URBs to allocate. Use zero for a reasonable default. - * \param fpga_filename name of the rbf file to load - * \param firmware_filename name of ihx file to load - */ - usrp_basic_rx (int which_board, - int fusb_block_size=0, - int fusb_nblocks=0, - const std::string fpga_filename = "", - const std::string firmware_filename = "" - ); // throws if trouble - - bool set_rx_enable (bool on); - bool rx_enable () const { return d_rx_enable; } - - bool disable_rx (); // conditional disable, return prev state - void restore_rx (bool on); // conditional set - - void probe_rx_slots (bool verbose); - -public: - ~usrp_basic_rx (); - - /*! - * \brief invokes constructor, returns instance or 0 if trouble - * - * \param which_board Which USRP board on usb (not particularly useful; use 0) - * \param fusb_block_size fast usb xfer block size. Must be a multiple of 512. - * Use zero for a reasonable default. - * \param fusb_nblocks number of fast usb URBs to allocate. Use zero for a reasonable default. - * \param fpga_filename name of file that contains image to load into FPGA - * \param firmware_filename name of file that contains image to load into FX2 - */ - static usrp_basic_rx *make (int which_board, - int fusb_block_size=0, - int fusb_nblocks=0, - const std::string fpga_filename = "", - const std::string firmware_filename = "" - ); - - /*! - * \brief tell the fpga the rate rx samples are coming from the A/D's - * - * div = fpga_master_clock_freq () / sample_rate - * - * sample_rate is determined by a myriad of registers - * in the 9862. That's why you have to tell us, so - * we can tell the fpga. - */ - bool set_fpga_rx_sample_rate_divisor (unsigned int div); - - /*! - * \brief read data from the D/A's via the FPGA. - * \p len must be a multiple of 512 bytes. - * - * \returns the number of bytes read, or -1 on error. - * - * If overrun is non-NULL it will be set true iff an RX overrun is detected. - */ - int read (void *buf, int len, bool *overrun); - - - //! sampling rate of A/D converter - virtual long converter_rate() const { return fpga_master_clock_freq(); } // 64M - long adc_rate() const { return converter_rate(); } - int daughterboard_id (int which_side) const { return d_dbid[which_side & 0x1]; } - - bool set_pga (int which_amp, double gain_in_db); - double pga (int which_amp) const; - double pga_min () const; - double pga_max () const; - double pga_db_per_step () const; - - bool _write_oe (int which_side, int value, int mask); - bool write_io (int which_side, int value, int mask); - bool read_io (int which_side, int *value); - int read_io (int which_side); - bool write_refclk(int which_side, int value); - bool write_atr_mask(int which_side, int value); - bool write_atr_txval(int which_side, int value); - bool write_atr_rxval(int which_side, int value); - - bool write_aux_dac (int which_side, int which_dac, int value); - bool read_aux_adc (int which_side, int which_adc, int *value); - int read_aux_adc (int which_side, int which_adc); - - int block_size() const; - - // called in base class to derived class order - bool start (); - bool stop (); -}; - - /*! - * \brief class for accessing the transmit side of the USRP - * \ingroup usrp - */ -class usrp_basic_tx : public usrp_basic -{ -private: - fusb_devhandle *d_devhandle; - fusb_ephandle *d_ephandle; - int d_bytes_seen; // how many bytes we've seen - bool d_first_write; - bool d_tx_enable; - - protected: - /*! - * \param which_board Which USRP board on usb (not particularly useful; use 0) - * \param fusb_block_size fast usb xfer block size. Must be a multiple of 512. - * Use zero for a reasonable default. - * \param fusb_nblocks number of fast usb URBs to allocate. Use zero for a reasonable default. - * \param fpga_filename name of file that contains image to load into FPGA - * \param firmware_filename name of file that contains image to load into FX2 - */ - usrp_basic_tx (int which_board, - int fusb_block_size=0, - int fusb_nblocks=0, - const std::string fpga_filename = "", - const std::string firmware_filename = "" - ); // throws if trouble - - bool set_tx_enable (bool on); - bool tx_enable () const { return d_tx_enable; } - - bool disable_tx (); // conditional disable, return prev state - void restore_tx (bool on); // conditional set - - void probe_tx_slots (bool verbose); - -public: - - ~usrp_basic_tx (); - - /*! - * \brief invokes constructor, returns instance or 0 if trouble - * - * \param which_board Which USRP board on usb (not particularly useful; use 0) - * \param fusb_block_size fast usb xfer block size. Must be a multiple of 512. - * Use zero for a reasonable default. - * \param fusb_nblocks number of fast usb URBs to allocate. Use zero for a reasonable default. - * \param fpga_filename name of file that contains image to load into FPGA - * \param firmware_filename name of file that contains image to load into FX2 - */ - static usrp_basic_tx *make (int which_board, int fusb_block_size=0, int fusb_nblocks=0, - const std::string fpga_filename = "", - const std::string firmware_filename = "" - ); - - /*! - * \brief tell the fpga the rate tx samples are going to the D/A's - * - * div = fpga_master_clock_freq () * 2 - * - * sample_rate is determined by a myriad of registers - * in the 9862. That's why you have to tell us, so - * we can tell the fpga. - */ - bool set_fpga_tx_sample_rate_divisor (unsigned int div); - - /*! - * \brief Write data to the A/D's via the FPGA. - * - * \p len must be a multiple of 512 bytes. - * \returns number of bytes written or -1 on error. - * - * if \p underrun is non-NULL, it will be set to true iff - * a transmit underrun condition is detected. - */ - int write (const void *buf, int len, bool *underrun); - - /* - * Block until all outstanding writes have completed. - * This is typically used to assist with benchmarking - */ - void wait_for_completion (); - - //! sampling rate of D/A converter - virtual long converter_rate() const { return fpga_master_clock_freq () * 2; } // 128M - long dac_rate() const { return converter_rate(); } - int daughterboard_id (int which_side) const { return d_dbid[which_side & 0x1]; } - - bool set_pga (int which_amp, double gain_in_db); - double pga (int which_amp) const; - double pga_min () const; - double pga_max () const; - double pga_db_per_step () const; - - bool _write_oe (int which_side, int value, int mask); - bool write_io (int which_side, int value, int mask); - bool read_io (int which_side, int *value); - int read_io (int which_side); - bool write_refclk(int which_side, int value); - bool write_atr_mask(int which_side, int value); - bool write_atr_txval(int which_side, int value); - bool write_atr_rxval(int which_side, int value); - - bool write_aux_dac (int which_side, int which_dac, int value); - bool read_aux_adc (int which_side, int which_adc, int *value); - int read_aux_adc (int which_side, int which_adc); - - int block_size() const; - - // called in base class to derived class order - bool start (); - bool stop (); -}; - -#endif |