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115 lines
4.4 KiB
Python
115 lines
4.4 KiB
Python
import io
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import time
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import unittest
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import numpy as np
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import sys
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if sys.platform == "win32":
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import os
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cur_dir = os.path.dirname(__file__) if not os.path.islink(__file__) else os.path.dirname(os.readlink(__file__))
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dll_dir = os.path.realpath(os.path.join(cur_dir, "..", "src", "urh", "dev", "native", "lib", "win"))
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os.environ['PATH'] = dll_dir + ';' + os.environ['PATH']
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from urh.dev.native.HackRF import HackRF
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from urh.dev.native.lib import hackrf
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class TestHackRF(unittest.TestCase):
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def callback_fun(self, buffer):
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out = []
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print(buffer)
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for i in range(0, len(buffer), 4):
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try:
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r = np.fromstring(buffer[i:i + 2], dtype=np.float16) / 32767.5
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i = np.fromstring(buffer[i + 2:i + 4], dtype=np.float16) / 32767.5
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except ValueError:
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continue
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if r and i:
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print(r, i)
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# out.append(complex(float(buffer[i:i+1])/32767.5, float(buffer[i+2:i+3])/32767.5))
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return 0
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def test_fromstring(self):
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buffer = b'\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfd\xff\xfd\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfd\xfe\xfd\xfe\xff\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfd\xfe'
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r = np.empty(len(buffer) // 2, dtype=np.float32)
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i = np.empty(len(buffer) // 2, dtype=np.float32)
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c = np.empty(len(buffer) // 2, dtype=np.complex64)
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# dtype =
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unpacked = np.frombuffer(buffer, dtype=[('r', np.uint8), ('i', np.uint8)])
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ru = unpacked['r'] / 128.0
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iu = unpacked['i'] / 128.0
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# for j in range(0, len(buffer)-1, 2):
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# r[j//2] = np.frombuffer(buffer[j:j + 1], dtype=np.int8) / 128.0
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# i[j//2] = np.frombuffer(buffer[j + 1:j + 2], dtype=np.int8) / 128.0
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# r2 = np.fromstring(buffer[], dtype=np.float16) / 32767.5
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c.real = ru
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c.imag = iu
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print(c)
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# x,y = np.frombuffer(buffer, dtype=[('x', np.float16), ('y', np.float16)])
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def test_fromstring2(self):
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buffer = b'\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfd\xff\xfd\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfd\xfe\xfd\xfe\xff\xfe\xfe\xfe\xfe\xfe\xfe\xfe\xfd\xfe'
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c = np.empty(len(buffer) // 2, dtype=np.complex64)
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# dtype =
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unpacked = np.frombuffer(buffer, dtype="<h") # cast in short
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print(unpacked)
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f = 1.0/32767.5
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for i in range(0, len(unpacked)-1,2):
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c[i] = complex(float(unpacked[i]*f), float(unpacked[i+1]*f))
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print(c)
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# x,y = np.frombuffer(buffer, dtype=[('x', np.float16), ('y', np.float16)])
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def test_hackrf_class_recv(self):
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hfc = HackRF(433.92e6, 1e6, 1e6, 20)
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hfc.start_rx_mode()
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i = 0
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TIME_TOTAL = 5
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while i <TIME_TOTAL:
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print("{0}/{1}".format(i+1, TIME_TOTAL))
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time.sleep(1)
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i+=1
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print("{0:,}".format(hfc.current_recv_index))
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hfc.received_data.tofile("/tmp/hackrf.complex")
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print("Wrote Data")
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hfc.stop_rx_mode("Finished test")
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def test_hackrf_class_send(self):
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hfc = HackRF(433.92e6, 1e6, 1e6, 20)
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hfc.start_tx_mode(np.fromfile("/tmp/hackrf.complex", dtype=np.complex64), repeats=1)
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while not hfc.sending_finished:
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print("Repeat: {0} Current Sample: {1}/{2}".format(hfc.current_sending_repeat+1,
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hfc.current_sent_sample,
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len(hfc.samples_to_send)))
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time.sleep(1)
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hfc.stop_tx_mode("Test finished")
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def test_hackrf_pack_unpack(self):
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arr = np.array([-128, -128, -0.5, -0.5, -3, -3, 127, 127], dtype=np.int8)
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self.assertEqual(arr[0], -128)
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self.assertEqual(arr[1], -128)
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self.assertEqual(arr[-1], 127)
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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]), -128)
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self.assertEqual(np.int8(received[1]), -128)
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unpacked = HackRF.unpack_complex(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.assertAlmostEqual(unpacked[2], complex(0, 0), places=1)
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self.assertEqual(unpacked[3], complex(1, 1))
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packed = HackRF.pack_complex(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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