#define SCPI_READ_RETRY_TIMEOUT_US (10 * 1000)
static const char *scpi_vendors[][2] = {
- { "HEWLETT-PACKARD", "HP" },
{ "Agilent Technologies", "Agilent" },
- { "RIGOL TECHNOLOGIES", "Rigol" },
- { "PHILIPS", "Philips" },
{ "CHROMA", "Chroma" },
{ "Chroma ATE", "Chroma" },
+ { "HEWLETT-PACKARD", "HP" },
+ { "Keysight Technologies", "Keysight" },
+ { "PHILIPS", "Philips" },
+ { "RIGOL TECHNOLOGIES", "Rigol" },
};
/**
return scpi->open(scpi);
}
+/**
+ * Get the connection ID of the SCPI device.
+ *
+ * @param scpi Previously initialized SCPI device structure.
+ * @param connection_id Pointer where to store the connection ID. The caller
+ * is responsible for g_free()ing the string when it is no longer needed.
+ *
+ * @return SR_OK on success, SR_ERR on failure.
+ */
+SR_PRIV int sr_scpi_connection_id(struct sr_scpi_dev_inst *scpi,
+ char **connection_id)
+{
+ return scpi->connection_id(scpi, connection_id);
+}
+
/**
* Add an event source for an SCPI device.
*
* model, serial number of the instrument and the firmware version.
*/
tokens = g_strsplit(response, ",", 0);
-
- for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
-
+ num_tokens = g_strv_length(tokens);
if (num_tokens < 4) {
sr_dbg("IDN response not according to spec: %80.s.", response);
g_strfreev(tokens);
g_free(hw_info);
}
+/**
+ * Remove potentially enclosing pairs of quotes, un-escape content.
+ * This implementation modifies the caller's buffer when quotes are found
+ * and doubled quote characters need to get removed from the content.
+ *
+ * @param[in, out] s The SCPI string to check and un-quote.
+ *
+ * @return The start of the un-quoted string.
+ */
+SR_PRIV const char *sr_scpi_unquote_string(char *s)
+{
+ size_t s_len;
+ char quotes[3];
+ char *rdptr;
+
+ /* Immediately bail out on invalid or short input. */
+ if (!s || !*s)
+ return s;
+ s_len = strlen(s);
+ if (s_len < 2)
+ return s;
+
+ /* Check for matching quote characters front and back. */
+ if (s[0] != '\'' && s[0] != '"')
+ return s;
+ if (s[0] != s[s_len - 1])
+ return s;
+
+ /* Need to strip quotes, and un-double quote chars inside. */
+ quotes[0] = quotes[1] = *s;
+ quotes[2] = '\0';
+ s[s_len - 1] = '\0';
+ s++;
+ rdptr = s;
+ while ((rdptr = strstr(rdptr, quotes)) != NULL) {
+ memmove(rdptr, rdptr + 1, strlen(rdptr));
+ rdptr++;
+ }
+
+ return s;
+}
+
SR_PRIV const char *sr_vendor_alias(const char *raw_vendor)
{
unsigned int i;