Enforce open device before config_set()/dev_acquisition_start()

[libsigrok.git] / libsigrok.h

diff --git a/libsigrok.h b/libsigrok.h
index aa3f4c71d72080b5fdc6286712aca5382de30606..8b9239ad77e366bc4691854ddcca8fa4a9ac016d 100644 (file)
--- a/libsigrok.h
+++ b/libsigrok.h
@@ -71,6 +71,7 @@ enum {
        SR_ERR_BUG        = -4, /**< Errors hinting at internal bugs. */
        SR_ERR_SAMPLERATE = -5, /**< Incorrect samplerate. */
        SR_ERR_NA         = -6, /**< Not applicable. */
+       SR_ERR_DEV_CLOSED = -7, /**< Device is closed, but needs to be open. */
 };
 
 #define SR_MAX_NUM_PROBES    64 /* Limited by uint64_t. */