struct libusb_context; static const int USRP_HASH_SIZE = 16; enum usrp_load_status_t { ULS_ERROR = 0, ULS_OK, ULS_ALREADY_LOADED }; /*! * \brief initialize libusb; Behavior differs depending on libusb version * * libusb-0.12 * * Probe busses and devices. The argument is ignored and defaults to NULL. * Safe to call more than once. * * libusb-1.0 * * If an location to a libusb_context is passed in, create and write in the new * context. If no argument is provided, initialize libusb with the default * (NULL) context. * * Generally _not_ safe to call more than once with non-NULL argument since a * new context will be created each time. */ void usrp_one_time_init (libusb_context **ctx = NULL); /* * force a rescan of the buses and devices */ void usrp_rescan (); /*! * \brief locate Nth (zero based) USRP device in system. * Return pointer or 0 if not found. * * The following kinds of devices are considered USRPs: * * unconfigured USRP (no firwmare loaded) * configured USRP (firmware loaded) * unconfigured Cypress FX2 (only if fx2_ok_p is true) */ libusb_device *usrp_find_device (int nth, bool fx2_ok_p = false, libusb_context *ctx = NULL); bool usrp_usrp_p (libusb_device *q); //< is this a USRP bool usrp_usrp0_p (libusb_device *q); //< is this a USRP Rev 0 bool usrp_usrp1_p (libusb_device *q); //< is this a USRP Rev 1 bool usrp_usrp2_p (libusb_device *q); //< is this a USRP Rev 2 int usrp_hw_rev (libusb_device *q); //< return h/w rev code bool usrp_fx2_p (libusb_device *q); //< is this an unconfigured Cypress FX2 bool usrp_unconfigured_usrp_p (libusb_device *q); //< some kind of unconfigured USRP bool usrp_configured_usrp_p (libusb_device *q); //< some kind of configured USRP /*! * \brief given a libusb_device return an instance of the appropriate libusb_device_handle * * These routines claim the specified interface and select the * correct alternate interface. (USB nomenclature is totally screwed!) * * If interface can't be opened, or is already claimed by some other * process, 0 is returned. */ libusb_device_handle *usrp_open_cmd_interface (libusb_device *dev); libusb_device_handle *usrp_open_rx_interface (libusb_device *dev); libusb_device_handle *usrp_open_tx_interface (libusb_device *dev); /*! * \brief close interface. */ bool usrp_close_interface (libusb_device_handle *udh); /*! * \brief load intel hex format file into USRP/Cypress FX2 (8051). * * The filename extension is typically *.ihx * * Note that loading firmware may cause the device to renumerate. I.e., * change its configuration, invalidating the current device handle. */ usrp_load_status_t usrp_load_firmware (libusb_device_handle *udh, const char *filename, bool force); /*! * \brief load intel hex format file into USRP FX2 (8051). * * The filename extension is typically *.ihx * * Note that loading firmware may cause the device to renumerate. I.e., * change its configuration, invalidating the current device handle. * If the result is ULS_OK, usrp_load_firmware_nth delays 1 second * then rescans the busses and devices. */ usrp_load_status_t usrp_load_firmware_nth (int nth, const char *filename, bool force, libusb_context *ctx = NULL); /*! * \brief load fpga configuration bitstream */ usrp_load_status_t usrp_load_fpga (libusb_device_handle *udh, const char *filename, bool force); /*! * \brief load the regular firmware and fpga bitstream in the Nth USRP. * * This is the normal starting point... */ bool usrp_load_standard_bits (int nth, bool force, const std::string fpga_filename = "", const std::string firmware_filename = "", libusb_context *ctx = NULL); /*! * \brief copy the given \p hash into the USRP hash slot \p which. * The usrp implements two hash slots, 0 and 1. */ bool usrp_set_hash (libusb_device_handle *udh, int which, const unsigned char hash[USRP_HASH_SIZE]); /*! * \brief retrieve the \p hash from the USRP hash slot \p which. * The usrp implements two hash slots, 0 and 1. */ bool usrp_get_hash (libusb_device_handle *udh, int which, unsigned char hash[USRP_HASH_SIZE]); bool usrp_write_fpga_reg (libusb_device_handle *udh, int reg, int value); bool usrp_read_fpga_reg (libusb_device_handle *udh, int reg, int *value); bool usrp_set_fpga_reset (libusb_device_handle *udh, bool on); bool usrp_set_fpga_tx_enable (libusb_device_handle *udh, bool on); bool usrp_set_fpga_rx_enable (libusb_device_handle *udh, bool on); bool usrp_set_fpga_tx_reset (libusb_device_handle *udh, bool on); bool usrp_set_fpga_rx_reset (libusb_device_handle *udh, bool on); bool usrp_set_led (libusb_device_handle *udh, int which, bool on); bool usrp_check_rx_overrun (libusb_device_handle *udh, bool *overrun_p); bool usrp_check_tx_underrun (libusb_device_handle *udh, bool *underrun_p); // i2c_read and i2c_write are limited to a maximum len of 64 bytes. bool usrp_i2c_write (libusb_device_handle *udh, int i2c_addr, const void *buf, int len); bool usrp_i2c_read (libusb_device_handle *udh, int i2c_addr, void *buf, int len); // spi_read and spi_write are limited to a maximum of 64 bytes // See usrp_spi_defs.h for more info bool usrp_spi_write (libusb_device_handle *udh, int optional_header, int enables, int format, const void *buf, int len); bool usrp_spi_read (libusb_device_handle *udh, int optional_header, int enables, int format, void *buf, int len); bool usrp_9862_write (libusb_device_handle *udh, int which_codec, // [0, 1] int regno, // [0, 63] int value); // [0, 255] bool usrp_9862_read (libusb_device_handle *udh, int which_codec, // [0, 1] int regno, // [0, 63] unsigned char *value); // [0, 255] /*! * \brief Write multiple 9862 regs at once. * * \p buf contains alternating register_number, register_value pairs. * \p len must be even and is the length of buf in bytes. */ bool usrp_9862_write_many (libusb_device_handle *udh, int which_codec, const unsigned char *buf, int len); /*! * \brief write specified regs to all 9862's in the system */ bool usrp_9862_write_many_all (libusb_device_handle *udh, const unsigned char *buf, int len); // Write 24LC024 / 24LC025 EEPROM on motherboard or daughterboard. // Which EEPROM is determined by i2c_addr. See i2c_addr.h bool usrp_eeprom_write (libusb_device_handle *udh, int i2c_addr, int eeprom_offset, const void *buf, int len); // Read 24LC024 / 24LC025 EEPROM on motherboard or daughterboard. // Which EEPROM is determined by i2c_addr. See i2c_addr.h bool usrp_eeprom_read (libusb_device_handle *udh, int i2c_addr, int eeprom_offset, void *buf, int len); // Slot specific i/o routines /*! * \brief write to the specified aux dac. * * \p 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 * * \p which_dac: [0,3] RX slots must use only 0 and 1. * TX slots must use only 2 and 3. * * AUX DAC 3 is really the 9862 sigma delta output. * * \p value to write to aux dac. All dacs take straight * binary values. Although dacs 0, 1 and 2 are 8-bit and dac 3 is 12-bit, * the interface is in terms of 12-bit values [0,4095] */ bool usrp_write_aux_dac (libusb_device_handle *uhd, int slot, int which_dac, int value); /*! * \brief Read the specified aux adc * * \p slot: which Tx or Rx slot to read aux dac * \p which_adc: [0,1] which of the two adcs to read * \p *value: return value, 12-bit straight binary. */ bool usrp_read_aux_adc (libusb_device_handle *udh, int slot, int which_adc, int *value); /*! * \brief usrp daughterboard id to name mapping */ const std::string usrp_dbid_to_string (int dbid); enum usrp_dbeeprom_status_t { UDBE_OK, UDBE_BAD_SLOT, UDBE_NO_EEPROM, UDBE_INVALID_EEPROM }; struct usrp_dboard_eeprom { unsigned short id; // d'board identifier code unsigned short oe; // fpga output enables: // If bit set, i/o pin is an output from FPGA. short offset[2]; // ADC/DAC offset correction }; /*! * \brief Read and return parsed daughterboard eeprom */ usrp_dbeeprom_status_t usrp_read_dboard_eeprom (libusb_device_handle *udh, int slot_id, usrp_dboard_eeprom *eeprom); /*! * \brief write ADC/DAC offset calibration constants to d'board eeprom */ bool usrp_write_dboard_offsets (libusb_device_handle *udh, int slot_id, short offset0, short offset1); /*! * \brief return a usrp's serial number. * * Note that this only works on a configured usrp. * \returns non-zero length string iff successful. */ std::string usrp_serial_number(libusb_device_handle *udh); #endif /* _USRP_PRIMS_H_ */