db_base::db_base Class Reference

Abstract base class for all daughterboards. More...

Inheritance diagram for db_base::db_base:

List of all members.

Public Member Functions

def __init__

Initialize daughterboard interface.

def dbid

def name

def side_and_name

def bypass_adc_buffers

def set_atr_mask

Set Auto T/R mask.

def set_atr_txval

Set Auto T/R register value to be used when transmitting.

def set_atr_rxval

Set Auto T/R register value to be used when receiving.

def set_atr_tx_delay

Set Auto T/R delay (in clock ticks) from when Tx fifo gets data to when T/R switches.

def set_atr_rx_delay

Set Auto T/R delay (in clock ticks) from when Tx fifo goes empty to when T/R switches.

def freq_range

Return range of frequencies in Hz that can be tuned by this d'board.

def set_freq

Set the frequency.

def gain_range

Return range of gain that can be set by this d'board.

def set_gain

Set the gain.

def is_quadrature

Return True if this daughterboard does quadrature up or down conversion.

def i_and_q_swapped

Return True if this is a quadrature device and ADC 0 is Q.

def spectrum_inverted

Return True if the dboard gives an inverted spectrum.

def set_enable

For tx daughterboards, this controls the transmitter enable.

def set_auto_tr

Enable automatic Transmit/Receive switching (ATR).

def set_lo_offset

Set how much LO is offset from requested frequency.

def lo_offset

Get how much LO is offset from requested frequency.

def select_rx_antenna

Specify which antenna port to use for reception.

Detailed Description

Abstract base class for all daughterboards.

This defines the required operations and interfaces for all d'boards.

Member Function Documentation

def db_base::db_base::__init__	(	self,
		usrp,
		which
	)

Initialize daughterboard interface.

Parameters:

	usrp,:	instance of usrp
	which,:	which daughterboard side: A = 0, B = 1 which: int

def db_base::db_base::bypass_adc_buffers	(	self,
		bypass
	)

def db_base::db_base::dbid ( self )

def db_base::db_base::freq_range ( self )

Return range of frequencies in Hz that can be tuned by this d'board.

Returns:: (min_freq, max_freq, step_size) tuple

Reimplemented in db_basic::db_basic_tx, db_basic::db_basic_rx, db_basic::db_lf_rx, db_basic::db_lf_tx, db_dbs_rx::db_dbs_rx, db_dtt754::db_dtt754, db_dtt768::db_dtt768, and db_tv_rx::db_tv_rx.

def db_base::db_base::gain_range ( self )

Return range of gain that can be set by this d'board.

Returns:: (min_gain, max_gain, step_size) Where gains are expressed in decibels (your mileage may vary)

Reimplemented in db_basic::db_basic_tx, db_basic::db_basic_rx, db_dbs_rx::db_dbs_rx, db_dtt754::db_dtt754, db_dtt768::db_dtt768, db_flexrf::flexrf_base, db_flexrf::flexrf_base_tx, db_flexrf::db_flexrf_2400_rx, db_flexrf::db_flexrf_1200_rx, db_flexrf::db_flexrf_1800_rx, db_flexrf::db_flexrf_900_rx, db_flexrf::db_flexrf_400_rx, db_tv_rx::db_tv_rx, db_wbx::wbx_base, db_wbx::db_wbx_lo_tx, and db_wbx::db_wbx_lo_rx.

def db_base::db_base::i_and_q_swapped ( self )

Return True if this is a quadrature device and ADC 0 is Q.

Reimplemented in db_flexrf::db_flexrf_2400_rx, db_flexrf::db_flexrf_1200_rx, db_flexrf::db_flexrf_1800_rx, db_flexrf::db_flexrf_900_rx, db_flexrf::db_flexrf_400_rx, and db_wbx::wbx_base_rx.

def db_base::db_base::is_quadrature ( self )

Return True if this daughterboard does quadrature up or down conversion.

That is, return True if this board requires both I & Q analog channels.

This bit of info is useful when setting up the USRP Rx mux register.

Reimplemented in db_basic::db_basic_tx, db_basic::db_basic_rx, db_dbs_rx::db_dbs_rx, db_dtt754::db_dtt754, db_dtt768::db_dtt768, db_flexrf::flexrf_base, db_tv_rx::db_tv_rx, and db_wbx::wbx_base.

def db_base::db_base::lo_offset	(	self,
		offset
	)

Get how much LO is offset from requested frequency.

Should be overriden by daughterboards that care.

def db_base::db_base::name ( self )

def db_base::db_base::select_rx_antenna	(	self,
		which_antenna
	)

Specify which antenna port to use for reception.

Should be overriden by daughterboards that care.

Reimplemented in db_flexrf::flexrf_base_rx, and db_wbx::wbx_base_rx.

def db_base::db_base::set_atr_mask	(	self,
		v
	)

Set Auto T/R mask.

def db_base::db_base::set_atr_rx_delay	(	self,
		v
	)

Set Auto T/R delay (in clock ticks) from when Tx fifo goes empty to when T/R switches.

def db_base::db_base::set_atr_rxval	(	self,
		v
	)

Set Auto T/R register value to be used when receiving.

def db_base::db_base::set_atr_tx_delay	(	self,
		v
	)

Set Auto T/R delay (in clock ticks) from when Tx fifo gets data to when T/R switches.

def db_base::db_base::set_atr_txval	(	self,
		v
	)

Set Auto T/R register value to be used when transmitting.

def db_base::db_base::set_auto_tr	(	self,
		on
	)

Enable automatic Transmit/Receive switching (ATR).

Should be overridden in subclasses that care. This will typically set the atr_mask, txval and rxval.

Reimplemented in db_flexrf::flexrf_base_tx, db_flexrf::flexrf_base_rx, db_wbx::wbx_base_tx, and db_wbx::wbx_base_rx.

def db_base::db_base::set_enable	(	self,
		on
	)

For tx daughterboards, this controls the transmitter enable.

Reimplemented in db_flexrf::flexrf_base_tx, and db_wbx::wbx_base_tx.

def db_base::db_base::set_freq	(	self,
		target_freq
	)

Set the frequency.

Parameters:

freq,:

target RF frequency in Hz freq: float

Returns:: (ok, actual_baseband_freq) where: ok is True or False and indicates success or failure, actual_baseband_freq is the RF frequency that corresponds to DC in the IF.

Reimplemented in db_basic::db_basic_tx, db_basic::db_basic_rx, db_dbs_rx::db_dbs_rx, db_dtt754::db_dtt754, db_dtt768::db_dtt768, db_flexrf::flexrf_base, db_tv_rx::db_tv_rx, and db_wbx::wbx_base.

def db_base::db_base::set_gain	(	self,
		gain
	)

Set the gain.

Parameters:

gain,:

gain in decibels

Returns:: True/False

Reimplemented in db_basic::db_basic_tx, db_basic::db_basic_rx, db_dbs_rx::db_dbs_rx, db_dtt754::db_dtt754, db_dtt768::db_dtt768, db_flexrf::flexrf_base, db_flexrf::flexrf_base_tx, db_flexrf::flexrf_base_rx, db_tv_rx::db_tv_rx, db_wbx::wbx_base, db_wbx::wbx_base_rx, and db_wbx::db_wbx_lo_tx.

def db_base::db_base::set_lo_offset	(	self,
		offset
	)

Set how much LO is offset from requested frequency.

Should be overriden by daughterboards that care.

Reimplemented in db_flexrf::flexrf_base, db_wbx::wbx_base_tx, and db_wbx::wbx_base_rx.

def db_base::db_base::side_and_name ( self )

def db_base::db_base::spectrum_inverted ( self )

Return True if the dboard gives an inverted spectrum.

Reimplemented in db_dtt754::db_dtt754, db_dtt768::db_dtt768, and db_tv_rx::db_tv_rx.

The documentation for this class was generated from the following file:

db_base.py


Public Member Functions
def	__init__
	Initialize daughterboard interface.
def	dbid
def	name
def	side_and_name
def	bypass_adc_buffers
def	set_atr_mask
	Set Auto T/R mask.
def	set_atr_txval
	Set Auto T/R register value to be used when transmitting.
def	set_atr_rxval
	Set Auto T/R register value to be used when receiving.
def	set_atr_tx_delay
	Set Auto T/R delay (in clock ticks) from when Tx fifo gets data to when T/R switches.
def	set_atr_rx_delay
	Set Auto T/R delay (in clock ticks) from when Tx fifo goes empty to when T/R switches.
def	freq_range
	Return range of frequencies in Hz that can be tuned by this d'board.
def	set_freq
	Set the frequency.
def	gain_range
	Return range of gain that can be set by this d'board.
def	set_gain
	Set the gain.
def	is_quadrature
	Return True if this daughterboard does quadrature up or down conversion.
def	i_and_q_swapped
	Return True if this is a quadrature device and ADC 0 is Q.
def	spectrum_inverted
	Return True if the dboard gives an inverted spectrum.
def	set_enable
	For tx daughterboards, this controls the transmitter enable.
def	set_auto_tr
	Enable automatic Transmit/Receive switching (ATR).
def	set_lo_offset
	Set how much LO is offset from requested frequency.
def	lo_offset
	Get how much LO is offset from requested frequency.
def	select_rx_antenna
	Specify which antenna port to use for reception.