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siglent-sds: Added trigger position to device config code

This commit is contained in:
marchelh 2018-02-25 09:28:39 +01:00 committed by Uwe Hermann
parent e8fd027120
commit fdf0744fa4
1 changed files with 22 additions and 2 deletions
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24
src/hardware/siglent-sds/protocol.c
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@ -487,6 +487,8 @@ SR_PRIV int siglent_sds_get_dev_cfg(const struct sr_dev_inst *sdi)
unsigned int i;
int res, num_tokens;
gchar **tokens;
int len;
float trigger_pos;
devc = sdi->priv;
@ -590,9 +592,27 @@ SR_PRIV int siglent_sds_get_dev_cfg(const struct sr_dev_inst *sdi)
sr_dbg("Current trigger source: %s.", devc->trigger_source);
/* TODO: Horizontal trigger position. */
response = "";
trigger_pos = 0;
if (sr_scpi_get_string(sdi->conn, g_strdup_printf("%s:TRDL?", devc->trigger_source), &response) != SR_OK)
return SR_ERR;
len = strlen(response);
if (!g_ascii_strcasecmp(response + (len - 2), "us")) {
trigger_pos = atof(response) / SR_GHZ(1);
sr_dbg("Current trigger position us %s.", response);
} else if (!g_ascii_strcasecmp(response + (len - 2), "ns")) {
trigger_pos = atof(response) / SR_MHZ(1);
sr_dbg("Current trigger position ms %s.", response);
} else if (!g_ascii_strcasecmp(response + (len - 2), "ms")) {
trigger_pos = atof(response) / SR_KHZ(1);
sr_dbg("Current trigger position ns %s.", response);
} else if (!g_ascii_strcasecmp(response + (len - 2), "s")) {
trigger_pos = atof(response);
sr_dbg("Current trigger position s %s.", response);
};
devc->horiz_triggerpos = trigger_pos;
devc->horiz_triggerpos = 0;
sr_dbg("Current horizontal trigger position: %g.", devc->horiz_triggerpos);
sr_dbg("Current horizontal trigger position %.10f", devc->horiz_triggerpos);
/* Trigger slope. */
cmd = g_strdup_printf("%s:TRSL?", devc->trigger_source);