Add SR_CONF key for data source

[libsigrok.git] / libsigrok.h

diff --git a/libsigrok.h b/libsigrok.h
index 7019fdb21e7685292cc3136a7db7f3c5c165e837..2f7047a426119ef1a4a909792c8244e138e46cce 100644 (file)
--- a/libsigrok.h
+++ b/libsigrok.h
@@ -704,6 +704,18 @@ enum {
        /** Power off the device. */
        SR_CONF_POWER_OFF,
 
+       /** Data source for acquisition. If not present, acquisition from
+        * the device is always "live", i.e. acquisition starts when the
+        * frontend asks and the results are sent out as soon as possible.
+        *
+        * If present, it indicates that either the device has no live
+        * acquisition capability (for example a pure data logger), or
+        * there is a choice. sr_config_list() returns those choices.
+        *
+        * In any case if a device has live acquisition capabilities, it
+        * is always the default. */
+       SR_CONF_DATA_SOURCE,
+
        /*--- Acquisition modes ---------------------------------------------*/
 
        /**