diff options
Diffstat (limited to 'tests/correlator')
| -rw-r--r-- | tests/correlator/correlator.grc | 49 | ||||
| -rwxr-xr-x | tests/correlator/correlator.py | 5 | ||||
| -rw-r--r-- | tests/correlator/epy_block_0.py | 1 | ||||
| -rw-r--r-- | tests/correlator/epy_block_1.py | 3 | ||||
| -rw-r--r-- | tests/correlator/epy_block_2.py | 73 |
5 files changed, 106 insertions, 25 deletions
diff --git a/tests/correlator/correlator.grc b/tests/correlator/correlator.grc index c545532..20076de 100644 --- a/tests/correlator/correlator.grc +++ b/tests/correlator/correlator.grc @@ -551,7 +551,8 @@ blocks: - name: epy_block_1 id: epy_block parameters: - _source_code: "import numpy as np\nfrom gnuradio import gr\n\nnp.set_printoptions(formatter={'int':hex})\n\ + _source_code: "import numpy as np\nfrom gnuradio import gr\n\n# remove print for\ + \ now\nprint = lambda x: None\n\nnp.set_printoptions(formatter={'int':hex})\n\ \nclass blk(gr.sync_block):\n def __init__(self, vlen=1):\n dt = np.byte\ \ if vlen == 1 else (np.byte, vlen)\n\n gr.sync_block.__init__(\n \ \ self,\n name='Printer',\n in_sig=[(np.byte,\ @@ -563,7 +564,7 @@ blocks: comment: '' maxoutbuf: '0' minoutbuf: '0' - vlen: '20' + vlen: len(testvec) states: _io_cache: ('Printer', 'blk', [('vlen', '1')], [('0', 'byte', 1)], [], '', []) bus_sink: false @@ -575,24 +576,46 @@ blocks: - name: epy_block_2 id: epy_block parameters: - _source_code: "import pmt\nimport numpy as np\nfrom gnuradio import gr\n\n\nclass\ - \ blk(gr.sync_block):\n\n def __init__(self, tag=\"frame_start\", vlen=1):\n\ - \ dt = np.byte if vlen == 1 else (np.byte, vlen)\n\n gr.sync_block.__init__(\n\ + _source_code: "import pmt\nimport functools\n\nimport numpy as np\nfrom gnuradio\ + \ import gr\n\n\nclass blk(gr.decim_block):\n\n def __init__(self, tag=\"\ + frame_start\", vlen=1):\n decim = vlen\n\n gr.decim_block.__init__(\n\ \ self,\n name='Split at tag',\n in_sig=[np.byte],\n\ - \ out_sig=[(np.byte, vlen)]\n )\n\n self.tag = tag\n\ - \ self.vlen = vlen\n\n def work(self, input_items, output_items):\n\ - \ inp = input_items[0]\n\n is_frame_start = lambda tag: pmt.to_python(tag.key)\ - \ == self.tag\n tags = filter(is_frame_start, self.get_tags_in_window(0,\ - \ 0, len(inp)))\n\n counter = self.nitems_written(0)\n offsets\ - \ = map(lambda t: t.offset - counter, tags)\n\n print(list(offsets))\n\ - \n output_items[0][:] = inp.reshape(())\n return len(output_items[0])\n" + \ out_sig=[(np.byte, vlen)],\n decim = decim -1\n \ + \ )\n\n if decim > 1:\n self.set_relative_rate(1. / (decim\ + \ -1))\n\n self.tag = tag\n self.vlen = vlen\n\n def work(self,\ + \ input_items, output_items):\n # nicer aliases\n inp = input_items[0]\n\ + \ inplen = len(inp)\n oup = output_items[0]\n ouplen =\ + \ len(oup)\n\n is_frame_start = lambda tag: pmt.to_python(tag.key) ==\ + \ self.tag\n tags = list(filter(is_frame_start, self.get_tags_in_window(0,\ + \ 0, inplen)))\n\n if len(tags) == 0:\n print(\"There are\ + \ not tags!\")\n\n # get indices of where the frames are\n counter\ + \ = self.nitems_written(0) # * self.vlen\n offsets = list(map(lambda\ + \ t: t.offset - counter, tags))\n indices = list(zip(offsets, offsets[1:]))\n\ + \n print(list(map(lambda t: t.offset, tags)))\n print(offsets)\n\ + \ print(indices)\n\n # Get chunks\n def get_inp_chunk(index_pair):\ + \ \n # read a chunk from the inp array\n # if there are\ + \ not enough values the rest is padded with zeros,\n # if there are\ + \ too many values, they get cut off\n start = index_pair[0]\n \ + \ end = index_pair[1]\n length = end - start\n\n \ + \ assert start != end\n\n print(f\"getting chunk from {start}\ + \ to {end} of length {length}\")\n\n # not enough values\n \ + \ if length < self.vlen:\n pad = self.vlen - length\n \ + \ print(f\"Chunk was too short! Adding {pad} zeros to pad\")\n\ + \ return np.concatenate([inp[start:end], np.zeros(pad)])\n\n\ + \ # too many values\n if length > self.vlen:\n \ + \ print(f\"Chunk was too long! Cutting off {length - self.vlen} values\"\ + )\n end = start + self.vlen\n return inp[start:end]\n\ + \n # okay\n rv = inp[start:end]\n print(rv)\n\ + \ return rv\n\n chunks = list(map(get_inp_chunk, indices))\n\ + \n assert len(chunks) != 0\n\n print(chunks)\n oup[:] =\ + \ np.concatenate(chunks).reshape((-1, self.vlen))\n\n return len(oup)\n" affinity: '' alias: '' comment: '' maxoutbuf: '0' minoutbuf: '0' tag: '''frame_start''' - vlen: '20' + vlen: len(testvec) states: _io_cache: ('Split at tag', 'blk', [('tag', "'frame_start'"), ('vlen', '1')], [('0', 'byte', 1)], [('0', 'byte', 1)], '', ['tag', 'vlen']) diff --git a/tests/correlator/correlator.py b/tests/correlator/correlator.py index c84e4d7..173c14f 100755 --- a/tests/correlator/correlator.py +++ b/tests/correlator/correlator.py @@ -330,8 +330,8 @@ class correlator(gr.top_block, Qt.QWidget): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) - self.epy_block_2 = epy_block_2.blk(tag='frame_start', vlen=20) - self.epy_block_1 = epy_block_1.blk(vlen=20) + self.epy_block_2 = epy_block_2.blk(tag='frame_start', vlen=len(testvec)) + self.epy_block_1 = epy_block_1.blk(vlen=len(testvec)) self.epy_block_0 = epy_block_0.blk() self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, rrc_taps, nfilts, 16, 1.5, 1) self.digital_costas_loop_cc_0 = digital.costas_loop_cc(2 * 3.141592653589793 / 100, 4, False) @@ -431,6 +431,7 @@ class correlator(gr.top_block, Qt.QWidget): def set_testvec(self, testvec): self.testvec = testvec self.blocks_vector_source_x_0.set_data(self.testvec * 500, []) + self.epy_block_2.vlen = len(self.testvec) def get_samp_rate(self): return self.samp_rate diff --git a/tests/correlator/epy_block_0.py b/tests/correlator/epy_block_0.py index e32d72b..a0b4cd9 100644 --- a/tests/correlator/epy_block_0.py +++ b/tests/correlator/epy_block_0.py @@ -3,6 +3,7 @@ import pmt import numpy as np from gnuradio import gr +# hide debugging print statements for the moment print = lambda x: None class blk(gr.sync_block): diff --git a/tests/correlator/epy_block_1.py b/tests/correlator/epy_block_1.py index 7e722fc..8ace6e4 100644 --- a/tests/correlator/epy_block_1.py +++ b/tests/correlator/epy_block_1.py @@ -1,6 +1,9 @@ import numpy as np from gnuradio import gr +# remove print for now +print = lambda x: None + np.set_printoptions(formatter={'int':hex}) class blk(gr.sync_block): diff --git a/tests/correlator/epy_block_2.py b/tests/correlator/epy_block_2.py index 210be12..0ca2cbb 100644 --- a/tests/correlator/epy_block_2.py +++ b/tests/correlator/epy_block_2.py @@ -1,33 +1,86 @@ import pmt +import functools + import numpy as np from gnuradio import gr -class blk(gr.sync_block): +class blk(gr.decim_block): def __init__(self, tag="frame_start", vlen=1): - dt = np.byte if vlen == 1 else (np.byte, vlen) + decim = vlen - gr.sync_block.__init__( + gr.decim_block.__init__( self, name='Split at tag', in_sig=[np.byte], - out_sig=[(np.byte, vlen)] + out_sig=[(np.byte, vlen)], + decim = decim -1 ) + if decim > 1: + self.set_relative_rate(1. / (decim -1)) + self.tag = tag self.vlen = vlen def work(self, input_items, output_items): + # nicer aliases inp = input_items[0] + inplen = len(inp) + oup = output_items[0] + ouplen = len(oup) is_frame_start = lambda tag: pmt.to_python(tag.key) == self.tag - tags = filter(is_frame_start, self.get_tags_in_window(0, 0, len(inp))) + tags = list(filter(is_frame_start, self.get_tags_in_window(0, 0, inplen))) + + if len(tags) == 0: + print("There are not tags!") + + # get indices of where the frames are + counter = self.nitems_written(0) # * self.vlen + offsets = list(map(lambda t: t.offset - counter, tags)) + indices = list(zip(offsets, offsets[1:])) + + print(list(map(lambda t: t.offset, tags))) + print(offsets) + print(indices) + + # Get chunks + def get_inp_chunk(index_pair): + # read a chunk from the inp array + # if there are not enough values the rest is padded with zeros, + # if there are too many values, they get cut off + start = index_pair[0] + end = index_pair[1] + length = end - start + + assert start != end + + print(f"getting chunk from {start} to {end} of length {length}") + + # not enough values + if length < self.vlen: + pad = self.vlen - length + print(f"Chunk was too short! Adding {pad} zeros to pad") + return np.concatenate([inp[start:end], np.zeros(pad)]) + + # too many values + if length > self.vlen: + print(f"Chunk was too long! Cutting off {length - self.vlen} values") + end = start + self.vlen + return inp[start:end] + + # okay + rv = inp[start:end] + print(rv) + return rv + + chunks = list(map(get_inp_chunk, indices)) - counter = self.nitems_written(0) - offsets = map(lambda t: t.offset - counter, tags) + assert len(chunks) != 0 - print(list(offsets)) + print(chunks) + oup[:] = np.concatenate(chunks).reshape((-1, self.vlen)) - output_items[0][:] = inp - return len(output_items[0]) + return len(oup) |