add SR_CONF_SAMPLE_INTERVAL

Expresses the time between samples, in milliseconds. This can be used
for devices with a samplerate > 1 second, such as dataloggers, which
cannot be expressed with SR_CONF_SAMPLERATE.

diff --git a/libsigrok.h b/libsigrok.h
index 2ab75a89ec75b418669e8de059a8a96792d20e7e..3d577cccac2f93f0d14d9dcae795162170536e0b 100644 (file)
--- a/libsigrok.h
+++ b/libsigrok.h
@@ -594,7 +594,7 @@ enum {
 
        /*--- Device configuration ------------------------------------------*/
 
-       /** The device supports setting/changing its samplerate. */
+       /** The device supports setting its samplerate, in Hz. */
        SR_CONF_SAMPLERATE = 30000,
 
        /** The device supports setting a pre/post-trigger capture ratio. */
@@ -633,6 +633,9 @@ enum {
        /** Trigger types.  */
        SR_CONF_TRIGGER_TYPE,
 
+       /** The device supports setting its sample interval, in ms. */
+       SR_CONF_SAMPLE_INTERVAL,
+
        /*--- Special stuff -------------------------------------------------*/
 
        /** Scan options supported by the driver. */