Ejemplo n.º 1
0
    def test_001(self):
        src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
        trg_data = (-1, -1, 1, 1, -1, -1, 1, 1, -1, -1)
        src = gr.vector_source_i(src_data)
        trg = gr.vector_source_s(trg_data)
        op = blocks.burst_tagger(gr.sizeof_int)
        snk = blocks.tag_debug(gr.sizeof_int, "burst tagger QA")
        self.tb.connect(src, (op, 0))
        self.tb.connect(trg, (op, 1))
        self.tb.connect(op, snk)
        self.tb.run()

        x = snk.current_tags()
        self.assertEqual(2, x[0].offset)
        self.assertEqual(4, x[1].offset)
        self.assertEqual(6, x[2].offset)
        self.assertEqual(8, x[3].offset)

        self.assertEqual(True, pmt.pmt_to_bool(x[0].value))
        self.assertEqual(False, pmt.pmt_to_bool(x[1].value))
        self.assertEqual(True, pmt.pmt_to_bool(x[2].value))
        self.assertEqual(False, pmt.pmt_to_bool(x[3].value))
Ejemplo n.º 2
0
    def test_001(self):
        src_data  = ( 1,  2,  3,  4,  5,  6,  7,  8,  9,  10)
        trg_data = (-1, -1,  1,  1, -1, -1,  1,  1, -1,  -1)
        src = gr.vector_source_i(src_data)
        trg = gr.vector_source_s(trg_data)
        op  = blocks.burst_tagger(gr.sizeof_int)
        snk = blocks.tag_debug(gr.sizeof_int, "burst tagger QA")
        self.tb.connect(src, (op,0))
        self.tb.connect(trg, (op,1))
        self.tb.connect(op, snk)
        self.tb.run()
        
        x = snk.current_tags()
        self.assertEqual(2, x[0].offset)
        self.assertEqual(4, x[1].offset)
        self.assertEqual(6, x[2].offset)
        self.assertEqual(8, x[3].offset)

        self.assertEqual(True,  pmt.pmt_to_bool(x[0].value))
        self.assertEqual(False, pmt.pmt_to_bool(x[1].value))
        self.assertEqual(True,  pmt.pmt_to_bool(x[2].value))
        self.assertEqual(False, pmt.pmt_to_bool(x[3].value))
Ejemplo n.º 3
0
def parse_header(p, VERBOSE=False):
    dump = pmt.PMT_NIL

    info = dict()

    if(pmt.pmt_is_dict(p) is False):
        sys.stderr.write("Header is not a PMT dictionary: invalid or corrupt data file.\n")
        sys.exit(1)

    # GET FILE FORMAT VERSION NUMBER
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("version"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("version"), dump)
        version = pmt.pmt_to_long(r)
        if(VERBOSE):
            print "Version Number: {0}".format(version)
    else:
        sys.stderr.write("Could not find key 'version': invalid or corrupt data file.\n")
        sys.exit(1)

    # EXTRACT SAMPLE RATE
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("rx_rate"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("rx_rate"), dump)
        samp_rate = pmt.pmt_to_double(r)
        info["rx_rate"] = samp_rate
        if(VERBOSE):
            print "Sample Rate: {0:.2f} sps".format(samp_rate)
    else:
        sys.stderr.write("Could not find key 'sr': invalid or corrupt data file.\n")
        sys.exit(1)

    # EXTRACT TIME STAMP
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("rx_time"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("rx_time"), dump)
        pmt_secs = pmt.pmt_tuple_ref(r, 0)
        pmt_fracs = pmt.pmt_tuple_ref(r, 1)
        secs = float(pmt.pmt_to_uint64(pmt_secs))
        fracs = pmt.pmt_to_double(pmt_fracs)
        t = secs + fracs
        info["rx_time"] = t
        if(VERBOSE):
            print "Seconds: {0:.6f}".format(t)
    else:
        sys.stderr.write("Could not find key 'time': invalid or corrupt data file.\n")
        sys.exit(1)

    # EXTRACT ITEM SIZE
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("size"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("size"), dump)
        dsize = pmt.pmt_to_long(r)
        info["size"] = dsize
        if(VERBOSE):
            print "Item size: {0}".format(dsize)
    else:
        sys.stderr.write("Could not find key 'size': invalid or corrupt data file.\n")
        sys.exit(1)

    # EXTRACT DATA TYPE
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("type"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("type"), dump)
        dtype = pmt.pmt_to_long(r)
        stype = ftype_to_string[dtype]
        info["type"] = stype
        if(VERBOSE):
            print "Data Type: {0} ({1})".format(stype, dtype)
    else:
        sys.stderr.write("Could not find key 'type': invalid or corrupt data file.\n")
        sys.exit(1)

    # EXTRACT COMPLEX
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("cplx"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("cplx"), dump)
        cplx = pmt.pmt_to_bool(r)
        info["cplx"] = cplx
        if(VERBOSE):
            print "Complex? {0}".format(cplx)
    else:
        sys.stderr.write("Could not find key 'cplx': invalid or corrupt data file.\n")
        sys.exit(1)

    # EXTRACT WHERE CURRENT SEGMENT STARTS
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("strt"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("strt"), dump)
        seg_start = pmt.pmt_to_uint64(r)
        info["hdr_len"] = seg_start
        info["extra_len"] = seg_start - HEADER_LENGTH
        info["has_extra"] = info["extra_len"] > 0
        if(VERBOSE):
            print "Header Length: {0} bytes".format(info["hdr_len"])
            print "Extra Length:  {0}".format((info["extra_len"]))
            print "Extra Header?  {0}".format(info["has_extra"])
    else:
        sys.stderr.write("Could not find key 'strt': invalid or corrupt data file.\n")
        sys.exit(1)

    # EXTRACT SIZE OF DATA
    if(pmt.pmt_dict_has_key(p, pmt.pmt_string_to_symbol("bytes"))):
        r = pmt.pmt_dict_ref(p, pmt.pmt_string_to_symbol("bytes"), dump)
        nbytes = pmt.pmt_to_uint64(r)

        nitems = nbytes/dsize
        info["nitems"] = nitems
        info["nbytes"] = nbytes

        if(VERBOSE):
            print "Size of Data: {0} bytes".format(nbytes)
            print "              {0} items".format(nitems)
    else:
        sys.stderr.write("Could not find key 'size': invalid or corrupt data file.\n")
        sys.exit(1)

    return info