hwdriver: Add SR_CONF_CLOCK_EDGE option.

Allow the edge of an external clock input to be configured by
means of an SR_CONF_CLOCK_EDGE configuration setting.  This is
a string option with the same format as SR_CONF_TRIGGER_SLOPE.

diff --git a/hwdriver.c b/hwdriver.c
index 302ffdc5196eba6a19127cc6e7e5bda615942a2b..3dd44db0aa182c7f46236bb510c443be184e3cbc 100644 (file)
--- a/hwdriver.c
+++ b/hwdriver.c
@@ -118,6 +118,8 @@ static struct sr_config_info sr_config_info_data[] = {
                "Over-current protection", NULL},
        {SR_CONF_LIMIT_SAMPLES, SR_T_UINT64, "limit_samples",
                "Sample limit", NULL},
+       {SR_CONF_CLOCK_EDGE, SR_T_CHAR, "clock_edge",
+               "Clock edge", NULL},
        {0, 0, NULL, NULL, NULL},
 };
 

diff --git a/libsigrok.h b/libsigrok.h
index ab095c9a45630b83207f64bf0c86da386d3fb33c..af5b18ce8b4ee206463e719e4a783992666398fc 100644 (file)
--- a/libsigrok.h
+++ b/libsigrok.h
@@ -834,6 +834,9 @@ enum {
        /** Over-current protection (OCP) */
        SR_CONF_OVER_CURRENT_PROTECTION,
 
+       /** Choice of clock edge for external clock ("r" or "f"). */
+       SR_CONF_CLOCK_EDGE,
+
        /*--- Special stuff -------------------------------------------------*/
 
        /** Scan options supported by the driver. */