X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=include%2Flibsigrok%2Flibsigrok.h;h=e132012470b703d6f7402580016f911254683fe1;hb=5728718b66d12b82415f400d040dd9933775abb0;hp=b533d87ddd9a4314f542b8372ee7b4e22e6b0ec4;hpb=24f4a9d50bb93c83cf610a789d0f618970f454ef;p=libsigrok.git

diff --git a/include/libsigrok/libsigrok.h b/include/libsigrok/libsigrok.h
index b533d87d..e1320124 100644
--- a/include/libsigrok/libsigrok.h
+++ b/include/libsigrok/libsigrok.h
@@ -263,7 +263,7 @@ enum sr_unit {
 	SR_UNIT_SIEMENS,
 	/**
 	 * An absolute measurement of power, in decibels, referenced to
-	 * 1 milliwatt (dBu).
+	 * 1 milliwatt (dBm).
 	 */
 	SR_UNIT_DECIBEL_MW,
 	/** Voltage in decibel, referenced to 1 volt (dBV). */
@@ -508,7 +508,12 @@ struct sr_analog_encoding {
 	gboolean is_signed;
 	gboolean is_float;
 	gboolean is_bigendian;
-	uint8_t digits;
+	/**
+	 * Number of significant digits after the decimal point if positive,
+	 * or number of non-significant digits before the decimal point if
+	 * negative (refers to the value we actually read on the wire).
+	 */
+	int8_t digits;
 	gboolean is_digits_decimal;
 	struct sr_rational scale;
 	struct sr_rational offset;
@@ -522,7 +527,13 @@ struct sr_analog_meaning {
 };
 
 struct sr_analog_spec {
-	uint8_t spec_digits;
+	/**
+ 	 * Number of significant digits after the decimal point if positive,
+	 * or number of non-significant digits before the decimal point if
+	 * negative (refers to vendor specifications/datasheet or actual
+	 * device display).
+	 */
+	int8_t spec_digits;
 };
 
 /** Generic option struct used by various subsystems. */
@@ -964,6 +975,9 @@ enum sr_configkey {
 	/** Under-voltage condition active. */
 	SR_CONF_UNDER_VOLTAGE_CONDITION_ACTIVE,
 
+	/** Trigger level. */
+	SR_CONF_TRIGGER_LEVEL,
+
 	/* Update sr_key_info_config[] (hwdriver.c) upon changes! */
 
 	/*--- Special stuff -------------------------------------------------*/