X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Ftransform%2Finvert.c;h=cb7f15d1e108193826fd3d668e1bddb38ed3efc5;hb=3fc3fbe46e472a1466085bb2498d8d9b469d63f8;hp=5a64afac5d06324aa42af396cea0352a0c4095c7;hpb=c1aae90038456a61d0f9313d34e6107c3440d3e7;p=libsigrok.git

diff --git a/src/transform/invert.c b/src/transform/invert.c
index 5a64afac..cb7f15d1 100644
--- a/src/transform/invert.c
+++ b/src/transform/invert.c
@@ -18,6 +18,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <config.h>
 #include <string.h>
 #include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
@@ -29,13 +30,15 @@ static int receive(const struct sr_transform *t,
 		struct sr_datafeed_packet **packet_out)
 {
 	const struct sr_datafeed_logic *logic;
+	const struct sr_datafeed_analog_old *analog_old;
 	const struct sr_datafeed_analog *analog;
 	struct sr_channel *ch;
 	GSList *l;
 	float *fdata, *f;
 	int si, num_channels, c;
 	uint8_t *b;
-	uint64_t i, j;
+	int64_t p;
+	uint64_t i, j, q;
 
 	if (!t || !t->sdi || !packet_in || !packet_out)
 		return SR_ERR_ARG;
@@ -51,13 +54,13 @@ static int receive(const struct sr_transform *t,
 			}
 		}
 		break;
-	case SR_DF_ANALOG:
-		analog = packet_in->payload;
-		fdata = (float *)analog->data;
-		num_channels = g_slist_length(analog->channels);
-		for (si = 0; si < analog->num_samples; si++) {
+	case SR_DF_ANALOG_OLD:
+		analog_old = packet_in->payload;
+		fdata = (float *)analog_old->data;
+		num_channels = g_slist_length(analog_old->channels);
+		for (si = 0; si < analog_old->num_samples; si++) {
 			/* For now invert all values in all channels. */
-			for (l = analog->channels, c = 0; l; l = l->next, c++) {
+			for (l = analog_old->channels, c = 0; l; l = l->next, c++) {
 				ch = l->data;
 				(void)ch;
 				f = &fdata[si * num_channels + c];
@@ -65,6 +68,15 @@ static int receive(const struct sr_transform *t,
 			}
 		}
 		break;
+	case SR_DF_ANALOG:
+		analog = packet_in->payload;
+		p = analog->encoding->scale.p;
+		q = analog->encoding->scale.q;
+		if (q > INT64_MAX)
+			return SR_ERR;
+		analog->encoding->scale.p = (p < 0) ? -q : q;
+		analog->encoding->scale.q = (p < 0) ? -p : p;
+		break;
 	default:
 		sr_spew("Unsupported packet type %d, ignoring.", packet_in->type);
 		break;