def __init__(self, device_index=0, test_mode_enabled=False):
''' Initialize RtlSdr object.
The test_mode_enabled parameter can be used to enable a special test mode, which will return the value of an
internal RTL2832 8-bit counter with calls to read_bytes()
'''
# this is the pointer to the device structure used by all librtlsdr
# functions
self.dev_p = p_rtlsdr_dev(None)
# initialize device
result = librtlsdr.rtlsdr_open(self.dev_p, device_index)
if result < 0:
raise IOError('Error code %d when opening SDR (device index = %d)'\
% (result, device_index))
# enable test mode if necessary
result = librtlsdr.rtlsdr_set_testmode(self.dev_p, int(test_mode_enabled))
if result < 0:
raise IOError('Error code %d when setting test mode'\
% (result))
# reset buffers
result = librtlsdr.rtlsdr_reset_buffer(self.dev_p)
if result < 0:
raise IOError('Error code %d when resetting buffer (device index = %d)'\
% (result, device_index))
self.device_opened = True
# set default state
self.set_sample_rate(self.DEFAULT_RS)
self.set_center_freq(self.DEFAULT_FC)
self.set_gain(self.DEFAULT_GAIN)
def open(self, device_index=0, test_mode_enabled=False):
''' Initialize RtlSdr object.
The test_mode_enabled parameter can be used to enable a special test mode, which will return the value of an
internal RTL2832 8-bit counter with calls to read_bytes()
'''
# this is the pointer to the device structure used by all librtlsdr
# functions
self.dev_p = p_rtlsdr_dev(None)
# initialize device
result = librtlsdr.rtlsdr_open(self.dev_p, device_index)
if result < 0:
raise IOError('Error code %d when opening SDR (device index = %d)'\
% (result, device_index))
# enable test mode if necessary
result = librtlsdr.rtlsdr_set_testmode(self.dev_p,
int(test_mode_enabled))
if result < 0:
raise IOError('Error code %d when setting test mode'\
% (result))
# reset buffers
result = librtlsdr.rtlsdr_reset_buffer(self.dev_p)
if result < 0:
raise IOError('Error code %d when resetting buffer (device index = %d)'\
% (result, device_index))
self.device_opened = True
self.init_device_values()
def __init__(self, device_index=0):
# initialize device
self.dev_p = p_rtlsdr_dev(None)
result = librtlsdr.rtlsdr_open(self.dev_p, device_index)
if result < 0:
raise IOError("Error code %d when opening SDR (device index = %d)" % (result, device_index))
result = librtlsdr.rtlsdr_reset_buffer(self.dev_p)
if result < 0:
raise IOError("Error code %d when resetting buffer (device index = %d)" % (result, device_index))
self.device_opened = True
# set default state
self.set_sample_rate(self.DEFAULT_RS)
self.set_center_freq(self.DEFAULT_FC)
self.set_gain(self.DEFAULT_GAIN)
def __init__(self, device_index=0, test_mode_enabled=False):
''' Initialize RtlSdr object.
The test_mode_enabled parameter can be used to enable a special test mode, which will return the value of an
internal RTL2832 8-bit counter with calls to read_bytes()
'''
# this is the pointer to the device structure used by all librtlsdr
# functions
self.dev_p = p_rtlsdr_dev(None)
# initialize device
result = librtlsdr.rtlsdr_open(self.dev_p, device_index)
if result < 0:
raise IOError('Error code %d when opening SDR (device index = %d)'\
% (result, device_index))
# enable test mode if necessary
result = librtlsdr.rtlsdr_set_testmode(self.dev_p,
int(test_mode_enabled))
if result < 0:
raise IOError('Error code %d when setting test mode'\
% (result))
# reset buffers
result = librtlsdr.rtlsdr_reset_buffer(self.dev_p)
if result < 0:
raise IOError('Error code %d when resetting buffer (device index = %d)'\
% (result, device_index))
self.gain_values = self.get_gains()
self.valid_gains_db = [val / 10 for val in self.gain_values]
self.device_opened = True
# set default state
self.set_sample_rate(self.DEFAULT_RS)
self.set_center_freq(self.DEFAULT_FC)
self.set_gain(self.DEFAULT_GAIN)
