#include <string.h>
#include <sigrok.h>
-/*
+/**
+ * Remove unused probes from samples.
+ *
* Convert sample from maximum probes -- the way the hardware driver sent
* it -- to a sample taking up only as much space as required, with
* unused probes removed.
+ *
+ * @param in_unitsize The unit size of the input (data_in).
+ * @param out_unitsize The unit size of the output (data_out).
+ * @param probelist Pointer to a list of integers (probe numbers).
+ * @param data_in The input data.
+ * @param length_in The input data length.
+ * @param data_out The output data.
+ * @param length_out The output data length.
+ * @return SR_OK upon success, SR_ERR_MALLOC upon memory allocation errors.
*/
-int filter_probes(int in_unitsize, int out_unitsize, int *probelist,
- char *data_in, uint64_t length_in, char **data_out,
- uint64_t *length_out)
+int sr_filter_probes(int in_unitsize, int out_unitsize, int *probelist,
+ const char *data_in, uint64_t length_in, char **data_out,
+ uint64_t *length_out)
{
unsigned int in_offset, out_offset;
int num_enabled_probes, out_bit, i;
uint64_t sample_in, sample_out;
if (!(*data_out = malloc(length_in)))
- return SIGROK_ERR_MALLOC;
+ return SR_ERR_MALLOC;
num_enabled_probes = 0;
for (i = 0; probelist[i]; i++)
/* All probes are used -- no need to compress anything. */
memcpy(*data_out, data_in, length_in);
*length_out = length_in;
- return SIGROK_OK;
+ return SR_OK;
}
/* If we reached this point, not all probes are used, so "compress". */
}
*length_out = out_offset;
- return SIGROK_OK;
+ return SR_OK;
}