2 * This file is part of the sigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
25 static PyObject *srd_logic_iter(PyObject *self)
30 static PyObject *srd_logic_iternext(PyObject *self)
33 PyObject *py_samplenum, *py_samples;
36 uint8_t probe_samples[SRD_MAX_NUM_PROBES + 1];
38 logic = (srd_logic *)self;
39 if (logic->itercnt >= logic->inbuflen / logic->di->data_unitsize) {
40 /* End iteration loop. */
45 * Convert the bit-packed sample to an array of bytes, with only 0x01
46 * and 0x00 values, so the PD doesn't need to do any bitshifting.
49 logic->inbuf + logic->itercnt * logic->di->data_unitsize,
50 logic->di->data_unitsize);
51 for (i = 0; i < logic->di->dec_num_probes; i++)
52 probe_samples[i] = sample & (1 << logic->di->dec_probemap[i]) ? 1 : 0;
54 /* Prepare the next samplenum/sample list in this iteration. */
56 PyLong_FromUnsignedLongLong(logic->start_samplenum +
58 PyList_SetItem(logic->sample, 0, py_samplenum);
59 py_samples = PyBytes_FromStringAndSize((const char *)probe_samples,
60 logic->di->dec_num_probes);
61 PyList_SetItem(logic->sample, 1, py_samples);
62 Py_INCREF(logic->sample);
68 SRD_PRIV PyTypeObject srd_logic_type = {
69 PyVarObject_HEAD_INIT(NULL, 0)
70 .tp_name = "srd_logic",
71 .tp_basicsize = sizeof(srd_logic),
72 .tp_flags = Py_TPFLAGS_DEFAULT,
73 .tp_doc = "Sigrokdecode logic sample object",
74 .tp_iter = srd_logic_iter,
75 .tp_iternext = srd_logic_iternext,