sigrok: Change 'interval' option to 'MinimumInterval', and allow 0

A MinimumInterval of 0 means whatever the device sends gets dispatched
to collectd. This is the default.

diff --git a/src/sigrok.c b/src/sigrok.c
index 001830d..245a64c 100644 (file)
--- a/src/sigrok.c
+++ b/src/sigrok.c
@@ -31,7 +31,7 @@
 
 /* Minimum interval between dispatches coming from this plugin. The RRD
  * plugin, at least, complains when written to with sub-second intervals.*/
-#define DEFAULT_MIN_DISPATCH_INTERVAL TIME_T_TO_CDTIME_T(1)
+#define DEFAULT_MIN_DISPATCH_INTERVAL TIME_T_TO_CDTIME_T(0)
 
 static pthread_t sr_thread;
 static int sr_thread_running = FALSE;
@@ -94,7 +94,7 @@ static int sigrok_config_device(oconfig_item_t *ci)
                        cf_util_get_string(item, &cfdev->conn);
                else if (!strcasecmp(item->key, "serialcomm"))
                        cf_util_get_string(item, &cfdev->serialcomm);
-               else if (!strcasecmp(item->key, "interval"))
+               else if (!strcasecmp(item->key, "minimuminterval"))
                        cf_util_get_cdtime(item, &cfdev->min_dispatch_interval);
                else
                        WARNING("Invalid keyword '%s'.", item->key);
@@ -183,7 +183,8 @@ static void sigrok_feed_callback(const struct sr_dev_inst *sdi,
        if (packet->type != SR_DF_ANALOG)
                return;
 
-       if (cdtime() - cfdev->last_dispatch < cfdev->min_dispatch_interval)
+       if (cfdev->min_dispatch_interval && \
+                       cdtime() - cfdev->last_dispatch < cfdev->min_dispatch_interval)
                return;
 
        /* Ignore all but the first sample on the first probe. */