"OUTPUT_ANN",
"OUTPUT_PYTHON",
"OUTPUT_BINARY",
+ "OUTPUT_LOGIC",
"OUTPUT_META",
"(invalid)"
};
return SRD_ERR_PYTHON;
}
+static void release_logic(struct srd_proto_data_logic *pdl)
+{
+ if (!pdl)
+ return;
+ g_free((void *)pdl->data);
+}
+
+static int convert_logic(struct srd_decoder_inst *di, PyObject *obj,
+ struct srd_proto_data *pdata)
+{
+ struct srd_proto_data_logic *pdl;
+ PyObject *py_tmp;
+ Py_ssize_t size;
+ int logic_class;
+ char *class_name, *buf;
+ PyGILState_STATE gstate;
+
+ gstate = PyGILState_Ensure();
+
+ /* Should be a list of [logic class, bytes]. */
+ if (!PyList_Check(obj)) {
+ srd_err("Protocol decoder %s submitted non-list for SRD_OUTPUT_LOGIC.",
+ di->decoder->name);
+ goto err;
+ }
+
+ /* Should have 2 elements. */
+ if (PyList_Size(obj) != 2) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_LOGIC list "
+ "with %zd elements instead of 2", di->decoder->name,
+ PyList_Size(obj));
+ goto err;
+ }
+
+ /* The first element should be an integer. */
+ py_tmp = PyList_GetItem(obj, 0);
+ if (!PyLong_Check(py_tmp)) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_LOGIC list, "
+ "but first element was not an integer.", di->decoder->name);
+ goto err;
+ }
+ logic_class = PyLong_AsLong(py_tmp);
+ if (!(class_name = g_slist_nth_data(di->decoder->logic_output_channels, logic_class))) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_LOGIC with "
+ "unregistered logic class %d.", di->decoder->name, logic_class);
+ goto err;
+ }
+
+ /* Second element should be bytes. */
+ py_tmp = PyList_GetItem(obj, 1);
+ if (!PyBytes_Check(py_tmp)) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_LOGIC list, "
+ "but second element was not bytes.", di->decoder->name);
+ goto err;
+ }
+
+ /* Consider an empty set of bytes a bug. */
+ if (PyBytes_Size(py_tmp) == 0) {
+ srd_err("Protocol decoder %s submitted SRD_OUTPUT_LOGIC "
+ "with empty data set.", di->decoder->name);
+ goto err;
+ }
+
+ if (PyBytes_AsStringAndSize(py_tmp, &buf, &size) == -1)
+ goto err;
+
+ PyGILState_Release(gstate);
+
+ pdl = pdata->data;
+ pdl->logic_class = logic_class;
+ pdl->size = size;
+ if (!(pdl->data = g_try_malloc(pdl->size)))
+ return SRD_ERR_MALLOC;
+ memcpy((void *)pdl->data, (const void *)buf, pdl->size);
+
+ return SRD_OK;
+
+err:
+ PyGILState_Release(gstate);
+
+ return SRD_ERR_PYTHON;
+}
+
static void release_binary(struct srd_proto_data_binary *pdb)
{
if (!pdb)
release_binary(pdata.data);
}
break;
+ case SRD_OUTPUT_LOGIC:
+ if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
+ pdata.data = &pdb;
+ /* Convert from PyDict to srd_proto_data_logic. */
+ if (convert_logic(di, py_data, &pdata) != SRD_OK) {
+ /* An error was already logged. */
+ break;
+ }
+ Py_BEGIN_ALLOW_THREADS
+ cb->cb(&pdata, cb->cb_data);
+ Py_END_ALLOW_THREADS
+ release_logic(pdata.data);
+ }
+ break;
case SRD_OUTPUT_META:
if ((cb = srd_pd_output_callback_find(di->sess, pdo->output_type))) {
/* Annotations need converting from PyObject. */
/* A channelmap value of -1 means "unused optional channel". */
if (di->dec_channelmap[i] == -1) {
/* Value of unused channel is 0xff, instead of 0 or 1. */
- PyTuple_SetItem(py_pinvalues, i, PyLong_FromLong(0xff));
+ PyTuple_SetItem(py_pinvalues, i, PyLong_FromUnsignedLong(0xff));
} else {
sample_pos = di->inbuf + ((di->abs_cur_samplenum - di->abs_start_samplenum) * di->data_unitsize);
byte_offset = di->dec_channelmap[i] / 8;
bit_offset = di->dec_channelmap[i] % 8;
sample = *(sample_pos + byte_offset) & (1 << bit_offset) ? 1 : 0;
- PyTuple_SetItem(py_pinvalues, i, PyLong_FromLong(sample));
+ PyTuple_SetItem(py_pinvalues, i, PyLong_FromUnsignedLong(sample));
}
}
*
* If there are no terms in the condition, 'term_list' will be NULL.
*
+ * @param di The decoder instance to use. Must not be NULL.
* @param py_dict A Python dict containing terms. Must not be NULL.
* @param term_list Pointer to a GSList which will be set to the newly
* created list of terms. Must not be NULL.
*
* @return SRD_OK upon success, a negative error code otherwise.
*/
-static int create_term_list(PyObject *py_dict, GSList **term_list)
+static int create_term_list(struct srd_decoder_inst *di,
+ PyObject *py_dict, GSList **term_list)
{
Py_ssize_t pos = 0;
PyObject *py_key, *py_value;
struct srd_term *term;
- uint64_t num_samples_to_skip;
+ int64_t num_samples_to_skip;
char *term_str;
PyGILState_STATE gstate;
/* Check whether the current key is a string or a number. */
if (PyLong_Check(py_key)) {
/* The key is a number. */
- /* TODO: Check if the number is a valid channel. */
/* Get the value string. */
if ((py_pydictitem_as_str(py_dict, py_key, &term_str)) != SRD_OK) {
srd_err("Failed to get the value.");
term = g_malloc(sizeof(struct srd_term));
term->type = get_term_type(term_str);
term->channel = PyLong_AsLong(py_key);
+ if (term->channel < 0 || term->channel >= di->dec_num_channels)
+ term->type = SRD_TERM_ALWAYS_FALSE;
g_free(term_str);
} else if (PyUnicode_Check(py_key)) {
/* The key is a string. */
- /* TODO: Check if it's "skip". */
+ /* TODO: Check if the key is "skip". */
if ((py_pydictitem_as_long(py_dict, py_key, &num_samples_to_skip)) != SRD_OK) {
srd_err("Failed to get number of samples to skip.");
goto err;
term->type = SRD_TERM_SKIP;
term->num_samples_to_skip = num_samples_to_skip;
term->num_samples_already_skipped = 0;
+ if (num_samples_to_skip < 0)
+ term->type = SRD_TERM_ALWAYS_FALSE;
} else {
srd_err("Term key is neither a string nor a number.");
goto err;
}
/* Create the list of terms in this condition. */
- if ((ret = create_term_list(py_dict, &term_list)) < 0)
+ if ((ret = create_term_list(di, py_dict, &term_list)) < 0)
break;
/* Add the new condition to the PD instance's condition list. */
/* If there's a match, set self.samplenum etc. and return. */
if (found_match) {
/* Set self.samplenum to the (absolute) sample number that matched. */
- py_samplenum = PyLong_FromLong(di->abs_cur_samplenum);
+ py_samplenum = PyLong_FromUnsignedLongLong(di->abs_cur_samplenum);
PyObject_SetAttrString(di->py_inst, "samplenum", py_samplenum);
Py_DECREF(py_samplenum);
static PyMethodDef Decoder_methods[] = {
{ "put", Decoder_put, METH_VARARGS,
"Accepts a dictionary with the following keys: startsample, endsample, data" },
- { "register", (PyCFunction)Decoder_register, METH_VARARGS|METH_KEYWORDS,
+ { "register", (PyCFunction)(void(*)(void))Decoder_register, METH_VARARGS|METH_KEYWORDS,
"Register a new output stream" },
{ "wait", Decoder_wait, METH_VARARGS,
"Wait for one or more conditions to occur" },
projects / libsigrokdecode.git / blobdiff