sr: add unit field to sr_df_analog packet

[libsigrok.git] / sigrok.h.in

diff --git a/sigrok.h.in b/sigrok.h.in
index 759565dfb4a9f14ef2515a2f265fea79fa3e2e73..304f1d8f4f4f217e90a0da038a7c3044c86e4b2c 100644 (file)
--- a/sigrok.h.in
+++ b/sigrok.h.in
@@ -167,6 +167,12 @@ enum {
        SR_DF_FRAME_END,
 };
 
+/* sr_datafeed_analog.unit values */
+enum {
+       SR_UNIT_VOLTAGE,
+       SR_UNIT_CURRENT,
+};
+
 struct sr_datafeed_packet {
        uint16_t type;
        void *payload;
@@ -194,6 +200,7 @@ struct sr_datafeed_meta_analog {
 
 struct sr_datafeed_analog {
        int num_samples;
+       int unit;
        float *data;
 };
 
@@ -449,7 +456,7 @@ struct sr_samplerates {
        uint64_t low;
        uint64_t high;
        uint64_t step;
-       uint64_t *list;
+       const uint64_t *list;
 };
 
 struct sr_dev_driver {
@@ -466,7 +473,7 @@ struct sr_dev_driver {
        const void *(*dev_info_get) (int dev_index, int dev_info_id);
        int (*dev_status_get) (int dev_index);
        const int *(*hwcap_get_all) (void);
-       int (*dev_config_set) (int dev_index, int hwcap, void *value);
+       int (*dev_config_set) (int dev_index, int hwcap, const void *value);
        int (*dev_acquisition_start) (int dev_index, void *session_dev_id);
        int (*dev_acquisition_stop) (int dev_index, void *session_dev_id);
 };