X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fanalog.c;h=dd23d4b48cf5f5f53fe95575159c871c6c34b3a9;hb=5eff221e8c9a84be71a564441c6edf705f8ba8fa;hp=d2677a576065ab5c9b81fe899a5f828da8dfd891;hpb=7d65dd3a8654ff303c76b917865941e3ae379458;p=libsigrok.git diff --git a/src/analog.c b/src/analog.c index d2677a57..dd23d4b4 100644 --- a/src/analog.c +++ b/src/analog.c @@ -173,7 +173,8 @@ SR_API int sr_analog_to_float(const struct sr_datafeed_analog2 *analog, if (analog->encoding->unitsize == sizeof(float) && analog->encoding->is_bigendian == bigendian - && (analog->encoding->scale.p == analog->encoding->scale.q) + && analog->encoding->scale.p == 1 + && analog->encoding->scale.q == 1 && analog->encoding->offset.p / (float)analog->encoding->offset.q == 0) { /* The data is already in the right format. */ memcpy(outbuf, analog->data, count * sizeof(float)); @@ -187,7 +188,8 @@ SR_API int sr_analog_to_float(const struct sr_datafeed_analog2 *analog, ((uint8_t *)outbuf)[i + (analog->encoding->unitsize - b)] = ((uint8_t *)analog->data)[i * analog->encoding->unitsize + b]; } - if (analog->encoding->scale.p != analog->encoding->scale.q) + if (analog->encoding->scale.p != 1 + || analog->encoding->scale.q != 1) outbuf[i] = (outbuf[i] * analog->encoding->scale.p) / analog->encoding->scale.q; offset = ((float)analog->encoding->offset.p / (float)analog->encoding->offset.q); outbuf[i] += offset; @@ -273,7 +275,7 @@ SR_API int sr_analog_unit_to_string(const struct sr_datafeed_analog2 *analog, * @param p Numerator * @param q Denominator */ -SR_API void sr_rational_set(struct sr_rational *r, uint64_t p, uint64_t q) +SR_API void sr_rational_set(struct sr_rational *r, int64_t p, uint64_t q) { r->p = p; r->q = q;