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Test method 2 --> convert float

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jopohl
2016-04-17 16:59:51 +02:00
parent 479b7265a4
commit 5a44aa64c7
1 changed files with 16 additions and 0 deletions
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16
tests/HackRF.py
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@@ -53,6 +53,22 @@ class TestHackRF(unittest.TestCase):
print(c)
# x,y = np.frombuffer(buffer, dtype=[('x', np.float16), ('y', np.float16)])
def test_fromstring2(self):
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'
c = np.empty(len(buffer) // 2, dtype=np.complex64)
# dtype =
unpacked = np.frombuffer(buffer, dtype="<h") # cast in short
print(unpacked)
f = 1.0/32767.5
for i in range(0, len(unpacked)-1,2):
c[i] = complex(float(unpacked[i]*f), float(unpacked[i+1]*f))
print(c)
# x,y = np.frombuffer(buffer, dtype=[('x', np.float16), ('y', np.float16)])
def test_hackrf_class(self):
hfc = HackRF(1e6, 433e6, 20, 1e6)
hfc.open()