From: Daniel Elstner <redacted>
Date: Tue, 4 Feb 2014 23:56:49 +0000 (+0100)
Subject: output/vcd: Extend output stream to last sample.
X-Git-Tag: libsigrok-0.3.0~163
X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=commitdiff_plain;h=fb9e91aed45a45c80014951e1dbd01c5d3e60c5b

output/vcd: Extend output stream to last sample.

(receive): Write a dummy timestamp after the last sample
to indicate the length of the sampled stream.
---

diff --git a/output/vcd.c b/output/vcd.c
index c98c1805..79145c1a 100644
--- a/output/vcd.c
+++ b/output/vcd.c
@@ -165,9 +165,6 @@ static int receive(struct sr_output *o, const struct sr_dev_inst *sdi,
 		return SR_ERR_BUG;
 	ctx = o->internal;
 
-	if (packet->type != SR_DF_LOGIC)
-		return SR_OK;
-
 	if (ctx->header) {
 		/* The header is still here, this must be the first packet. */
 		*out = ctx->header;
@@ -177,6 +174,15 @@ static int receive(struct sr_output *o, const struct sr_dev_inst *sdi,
 		*out = g_string_sized_new(512);
 	}
 
+	if (packet->type != SR_DF_LOGIC) {
+		if (packet->type == SR_DF_END)
+			/* Write final timestamp as length indicator. */
+			g_string_append_printf(*out, "#%.0f\n",
+				(double)ctx->samplecount /
+					ctx->samplerate * ctx->period);
+		return SR_OK;
+	}
+
 	logic = packet->payload;
 	for (i = 0; i <= logic->length - logic->unitsize; i += logic->unitsize) {
 		sample = logic->data + i;