analog: use SI prefix only with units that accept SI prefixes

[libsigrok.git] / include / libsigrok / proto.h

diff --git a/include/libsigrok/proto.h b/include/libsigrok/proto.h
index 1a3fba8c048fd9f2a6ae6989a3bad3babcf04d51..05e788646d640482f5a656b0f4a3c0c619d4cf9d 100644 (file)
--- a/include/libsigrok/proto.h
+++ b/include/libsigrok/proto.h
@@ -30,6 +30,8 @@
 
 SR_API int sr_analog_to_float(const struct sr_datafeed_analog *analog,
                float *buf);
+SR_API const char *sr_analog_si_prefix(float *value, int *digits);
+SR_API gboolean sr_analog_si_prefix_friendly(enum sr_unit unit);
 SR_API int sr_analog_unit_to_string(const struct sr_datafeed_analog *analog,
                char **result);
 SR_API void sr_rational_set(struct sr_rational *r, int64_t p, uint64_t q);