85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
import unittest
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import sys
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import time
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import numpy as np
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from urh.util import util
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util.set_shared_library_path()
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from urh.dev.native.RTLSDR import RTLSDR
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from urh.dev.native.lib import rtlsdr
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class TestRTLSDR(unittest.TestCase):
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def test_cython_wrapper(self):
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print("Device count:", rtlsdr.get_device_count())
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print("Device name:", rtlsdr.get_device_name(0))
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manufact, product, serial = rtlsdr.get_device_usb_strings(0)
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print("Manufacturer:", manufact)
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print("Product:", product)
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print("Serial", serial)
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print("Index by serial", rtlsdr.get_index_by_serial(serial))
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print("Open:", rtlsdr.open(0))
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print("Reset Buffer:", rtlsdr.reset_buffer()) # IMPORTANT
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print("XTAL Freq:", rtlsdr.get_xtal_freq())
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print("USB device strings", rtlsdr.get_usb_strings())
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print("Center Freq:", rtlsdr.get_center_freq())
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print("Set center freq to 433MHz", rtlsdr.set_center_freq(int(433e6)))
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print("Center Freq:", rtlsdr.get_center_freq())
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print("Freq Correction", rtlsdr.get_freq_correction())
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print("Set Freq Correction to 10", rtlsdr.set_freq_correction(10))
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print("Freq Correction", rtlsdr.get_freq_correction())
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print("tuner type", rtlsdr.get_tuner_type())
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print("tuner_gains", rtlsdr.get_tuner_gains())
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print("set_manual_gain_mode", rtlsdr.set_tuner_gain_mode(1))
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print("tuner gain", rtlsdr.get_tuner_gain())
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print("set gain to 338", rtlsdr.set_tuner_gain(338))
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print("tuner gain", rtlsdr.get_tuner_gain())
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print("set tuner if gain", rtlsdr.set_tuner_if_gain(1, 10))
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print("Sample Rate", rtlsdr.get_sample_rate())
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print("Set Sample Rate to 300k", rtlsdr.set_sample_rate(300 * 10 ** 3))
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print("Sample Rate", rtlsdr.get_sample_rate())
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read_samples = rtlsdr.read_sync(1024)
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print(read_samples)
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rtlsdr.close()
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def test_receive(self):
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rtlsdr_class = RTLSDR(433.92e6, 20, 2e6, device_number=0)
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self.assertEqual(rtlsdr_class.current_recv_index, 0)
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rtlsdr_class.start_rx_mode()
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time.sleep(2)
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rtlsdr_class.stop_rx_mode("Finished")
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index = rtlsdr_class.current_recv_index
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print(rtlsdr_class.current_recv_index)
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self.assertGreater(rtlsdr_class.current_recv_index, 0)
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time.sleep(2)
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self.assertEqual(index, rtlsdr_class.current_recv_index)
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rtlsdr_class.start_rx_mode()
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time.sleep(1)
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self.assertGreater(rtlsdr_class.current_recv_index, index)
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def test_bytes_to_iq(self):
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arr = np.array([0, 0, 127.5, 127.5, 255, 255], dtype=np.uint8)
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self.assertEqual(arr[0], 0)
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self.assertEqual(arr[1], 0)
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self.assertEqual(arr[-1], 255)
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received = arr.tostring()
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self.assertEqual(len(received), len(arr))
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self.assertEqual(np.int8(received[0]), 0)
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self.assertEqual(np.int8(received[1]), 0)
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unpacked = RTLSDR.bytes_to_iq(received, len(received) // 2)
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self.assertEqual(unpacked[0], complex(-1, -1))
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self.assertAlmostEqual(unpacked[1], complex(0, 0), places=1)
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self.assertEqual(unpacked[2], complex(1, 1))
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packed = RTLSDR.iq_to_bytes(unpacked)
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self.assertEqual(received, packed)
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if __name__ == "__main__":
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unittest.main()
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