* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <config.h>
#include "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
#include "libsigrokdecode.h"
-#include "config.h"
#include <glib.h>
#include <inttypes.h>
#include <stdlib.h>
extern SRD_PRIV GSList *sessions;
-/* type_logic.c */
-extern SRD_PRIV PyTypeObject srd_logic_type;
+/* module_sigrokdecode.c */
+extern SRD_PRIV PyObject *srd_logic_type;
/** @endcond */
err_out:
Py_XDECREF(py_optval);
if (PyErr_Occurred()) {
- srd_exception_catch("Stray exception in srd_inst_option_set().");
+ srd_exception_catch("Stray exception in srd_inst_option_set()");
ret = SRD_ERR_PYTHON;
}
* @param new_channels A GHashTable of channels to set. Key is channel name,
* value is the channel number. Samples passed to this
* instance will be arranged in this order.
- * @param unit_size Number of bytes per sample in the data stream to be passed
- * to the decoder. The highest channel index specified in the
- * channel map must lie within a sample unit.
*
* @return SRD_OK upon success, a (negative) error code otherwise.
*
- * @since 0.3.0
+ * @since 0.4.0
*/
SRD_API int srd_inst_channel_set_all(struct srd_decoder_inst *di,
- GHashTable *new_channels, int unit_size)
+ GHashTable *new_channels)
{
GVariant *channel_val;
GList *l;
int *new_channelmap, new_channelnum, num_required_channels, i;
char *channel_id;
- srd_dbg("Setting channels for instance %s with list of %d channels, "
- "unitsize %d.", di->inst_id, g_hash_table_size(new_channels),
- unit_size);
+ srd_dbg("Setting channels for instance %s with list of %d channels.",
+ di->inst_id, g_hash_table_size(new_channels));
if (g_hash_table_size(new_channels) == 0)
/* No channels provided. */
return SRD_ERR_ARG;
}
- new_channelmap = NULL;
-
- if (!(new_channelmap = g_try_malloc(sizeof(int) * di->dec_num_channels))) {
- srd_err("Failed to g_malloc() new channel map.");
- return SRD_ERR_MALLOC;
- }
+ new_channelmap = g_malloc(sizeof(int) * di->dec_num_channels);
/*
* For now, map all indexes to channel -1 (can be overridden later).
return SRD_ERR_ARG;
}
new_channelnum = g_variant_get_int32(channel_val);
- if (new_channelnum >= 8 * unit_size) {
- srd_err("Channel index %d not within data unit (%d bit).",
- new_channelnum, 8 * unit_size);
- g_free(new_channelmap);
- return SRD_ERR_ARG;
- }
if (!(sl = g_slist_find_custom(di->decoder->channels, channel_id,
(GCompareFunc)compare_channel_id))) {
/* Fall back on optional channels. */
srd_dbg("Setting channel mapping: %s (index %d) = channel %d.",
pdch->id, pdch->order, new_channelnum);
}
- di->data_unitsize = unit_size;
srd_dbg("Final channel map:");
num_required_channels = g_slist_length(di->decoder->channels);
return NULL;
}
- if (!(di = g_try_malloc0(sizeof(struct srd_decoder_inst)))) {
- srd_err("Failed to g_malloc() instance.");
- return NULL;
- }
+ di = g_malloc0(sizeof(struct srd_decoder_inst));
di->decoder = dec;
di->sess = sess;
di->dec_num_channels = g_slist_length(di->decoder->channels) +
g_slist_length(di->decoder->opt_channels);
if (di->dec_num_channels) {
- if (!(di->dec_channelmap =
- g_try_malloc(sizeof(int) * di->dec_num_channels))) {
- srd_err("Failed to g_malloc() channel map.");
- g_free(di);
- return NULL;
- }
+ di->dec_channelmap =
+ g_malloc(sizeof(int) * di->dec_num_channels);
for (i = 0; i < di->dec_num_channels; i++)
di->dec_channelmap[i] = i;
- di->data_unitsize = (di->dec_num_channels + 7) / 8;
/*
* Will be used to prepare a sample at every iteration
* of the instance's decode() method.
*/
- if (!(di->channel_samples = g_try_malloc(di->dec_num_channels))) {
- srd_err("Failed to g_malloc() sample buffer.");
- g_free(di->dec_channelmap);
- g_free(di);
- return NULL;
- }
+ di->channel_samples = g_malloc(di->dec_num_channels);
}
/* Create a new instance of this decoder class. */
if (!(di->py_inst = PyObject_CallObject(dec->py_dec, NULL))) {
if (PyErr_Occurred())
- srd_exception_catch("failed to create %s instance: ",
+ srd_exception_catch("Failed to create %s instance",
decoder_id);
g_free(di->dec_channelmap);
g_free(di);
di->inst_id);
if (!(py_res = PyObject_CallMethod(di->py_inst, "start", NULL))) {
- srd_exception_catch("Protocol decoder instance %s: ",
+ srd_exception_catch("Protocol decoder instance %s",
di->inst_id);
return SRD_ERR_PYTHON;
}
}
/**
- * Run the specified decoder function.
+ * Decode a chunk of samples.
*
* @param di The decoder instance to call. Must not be NULL.
* @param start_samplenum The starting sample number for the buffer's sample
* set, relative to the start of capture.
* @param inbuf The buffer to decode. Must not be NULL.
* @param inbuflen Length of the buffer. Must be > 0.
+ * @param unitsize The number of bytes per sample. Must be > 0.
*
* @return SRD_OK upon success, a (negative) error code otherwise.
*
* @private
- *
- * @since 0.1.0
*/
SRD_PRIV int srd_inst_decode(const struct srd_decoder_inst *di,
uint64_t start_samplenum, uint64_t end_samplenum,
- const uint8_t *inbuf, uint64_t inbuflen)
+ const uint8_t *inbuf, uint64_t inbuflen, uint64_t unitsize)
{
PyObject *py_res;
srd_logic *logic;
- srd_dbg("Calling decode() on instance %s with %" PRIu64 " bytes "
- "starting at sample %" PRIu64 ".", di->inst_id, inbuflen,
- start_samplenum);
-
/* Return an error upon unusable input. */
if (!di) {
srd_dbg("empty decoder instance");
return SRD_ERR_ARG;
}
+ ((struct srd_decoder_inst *)di)->data_unitsize = unitsize;
+
+ srd_dbg("Decoding: start sample %" PRIu64 ", end sample %"
+ PRIu64 " (%" PRIu64 " samples, %" PRIu64 " bytes, unitsize = "
+ "%d), instance %s.", start_samplenum, end_samplenum,
+ end_samplenum - start_samplenum, inbuflen, di->data_unitsize,
+ di->inst_id);
+
/*
* Create new srd_logic object. Each iteration around the PD's loop
* will fill one sample into this object.
*/
- logic = PyObject_New(srd_logic, &srd_logic_type);
+ logic = PyObject_New(srd_logic, (PyTypeObject *)srd_logic_type);
Py_INCREF(logic);
logic->di = (struct srd_decoder_inst *)di;
logic->start_samplenum = start_samplenum;
Py_IncRef(di->py_inst);
if (!(py_res = PyObject_CallMethod(di->py_inst, "decode",
"KKO", start_samplenum, end_samplenum, logic))) {
- srd_exception_catch("Protocol decoder instance %s: ",
+ srd_exception_catch("Protocol decoder instance %s",
di->inst_id);
return SRD_ERR_PYTHON;
}
projects / libsigrokdecode.git / blobdiff