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