-/* Message logging helpers with subsystem-specific prefix string. */
-#define LOG_PREFIX "saleae-logic16: "
-#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
-#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
-#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
-#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
-#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
-#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
+#define LOG_PREFIX "saleae-logic16"
+
+enum voltage_range {
+ VOLTAGE_RANGE_UNKNOWN,
+ VOLTAGE_RANGE_18_33_V, /* 1.8V and 3.3V logic */
+ VOLTAGE_RANGE_5_V, /* 5V logic */
+};