Publish config key capabilities.

[libsigrok.git] / include / libsigrok / libsigrok.h

diff --git a/include/libsigrok/libsigrok.h b/include/libsigrok/libsigrok.h
index 3ecc460a28fa9bb387443ec4e5f180615ebc22cd..4f3510d8c6569f3b52e3aad2d37fd28c1cd6397b 100644 (file)
--- a/include/libsigrok/libsigrok.h
+++ b/include/libsigrok/libsigrok.h
@@ -486,7 +486,7 @@ struct sr_channel_group {
 /** Used for setting or getting value of a config item. */
 struct sr_config {
        /** Config key like SR_CONF_CONN, etc. */
-       int key;
+       uint32_t key;
        /** Key-specific data. */
        GVariant *data;
 };
@@ -494,7 +494,7 @@ struct sr_config {
 /** Information about a config key. */
 struct sr_config_info {
        /** Config key like SR_CONF_CONN, etc. */
-       int key;
+       uint32_t key;
        /** Data type like SR_T_STRING, etc. */
        int datatype;
        /** Id string, e.g. "serialcomm". */
@@ -505,6 +505,11 @@ struct sr_config_info {
        char *description;
 };
 
+#define SR_CONF_GET  (1 << 31)
+#define SR_CONF_SET  (1 << 30)
+#define SR_CONF_LIST (1 << 29)
+#define SR_CONF_MASK 0x1fffffff
+
 /** Constants for device classes */
 enum sr_configkey {
        /*--- Device classes ------------------------------------------------*/
@@ -930,12 +935,12 @@ struct sr_dev_driver {
        /** Query value of a configuration key in driver or given device instance.
         *  @see sr_config_get().
         */
-       int (*config_get) (int id, GVariant **data,
+       int (*config_get) (uint32_t key, GVariant **data,
                        const struct sr_dev_inst *sdi,
                        const struct sr_channel_group *cg);
        /** Set value of a configuration key in driver or a given device instance.
         *  @see sr_config_set(). */
-       int (*config_set) (int id, GVariant *data,
+       int (*config_set) (uint32_t key, GVariant *data,
                        const struct sr_dev_inst *sdi,
                        const struct sr_channel_group *cg);
        /** Channel status change.
@@ -948,7 +953,7 @@ struct sr_dev_driver {
        /** List all possible values for a configuration key in a device instance.
         *  @see sr_config_list().
         */
-       int (*config_list) (int info_id, GVariant **data,
+       int (*config_list) (uint32_t key, GVariant **data,
                        const struct sr_dev_inst *sdi,
                        const struct sr_channel_group *cg);