/*
* This file is part of the sigrok project.
*
* Copyright (C) 2012 Bert Vermeulen
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#include "sigrokdecode.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
#include "config.h"
#include
#include
PyObject *srd_logic_iter(PyObject *self)
{
return self;
}
PyObject *srd_logic_iternext(PyObject *self)
{
PyObject *py_samplenum, *py_samples;
srd_logic *logic;
uint64_t sample;
int i;
unsigned char probe_samples[SRD_MAX_NUM_PROBES];
logic = (srd_logic *) self;
if (logic->itercnt >= logic->inbuflen / logic->di->unitsize) {
/* End iteration loop. */
return NULL;
}
/* TODO: use number of probes defined in the PD, in the order the PD
* defined them -- not whatever came in from the driver.
*/
/* Convert the bit-packed sample to an array of bytes, with only 0x01
* and 0x00 values, so the PD doesn't need to do any bitshifting.
*/
memcpy(&sample, logic->inbuf + logic->itercnt * logic->di->unitsize,
logic->di->unitsize);
for (i = 0; i < logic->di->num_probes; i++) {
probe_samples[i] = sample & 0x01;
sample >>= 1;
}
/* TODO: samplenum should be in the inbuf feed, instead of time/duration.
* fake it for now...
*/
/* Prepare the next samplenum/sample list in this iteration. */
py_samplenum = PyLong_FromUnsignedLongLong(logic->itercnt++);
PyList_SetItem(logic->sample, 0, py_samplenum);
py_samples = PyBytes_FromStringAndSize((const char *)probe_samples,
logic->di->num_probes);
PyList_SetItem(logic->sample, 1, py_samples);
Py_INCREF(logic->sample);
return logic->sample;
}
PyTypeObject srd_logic_type = {
PyVarObject_HEAD_INIT(NULL, 0)
.tp_name = "srd_logic",
.tp_basicsize = sizeof(srd_logic),
.tp_flags = Py_TPFLAGS_DEFAULT,
.tp_doc = "Sigrokdecode logic sample object",
.tp_iter = srd_logic_iter,
.tp_iternext = srd_logic_iternext,
};