X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fdemo%2Fdemo.c;h=560d1be3c5d99da52c5d950f810716a475e58fce;hb=d5a669a9e0319531595a8a45b6c21f0c316a24f1;hp=923d20a9b60acdd256e3dfba8e2e64faa0b5feed;hpb=4b97c74e0b5c19ad0ee04620b618461248ab69d7;p=libsigrok.git

diff --git a/hardware/demo/demo.c b/hardware/demo/demo.c
index 923d20a9..560d1be3 100644
--- a/hardware/demo/demo.c
+++ b/hardware/demo/demo.c
@@ -79,7 +79,7 @@ struct dev_context {
 	GIOChannel *channels[2];
 	uint8_t sample_generator;
 	uint64_t samples_counter;
-	void *session_dev_id;
+	void *cb_data;
 	int64_t starttime;
 };
 
@@ -94,10 +94,10 @@ static const int hwcaps[] = {
 };
 
 static const struct sr_samplerates samplerates = {
-	SR_HZ(1),
-	SR_GHZ(1),
-	SR_HZ(1),
-	NULL,
+	.low  = SR_HZ(1),
+	.high = SR_GHZ(1),
+	.step = SR_HZ(1),
+	.list = NULL,
 };
 
 static const char *pattern_strings[] = {
@@ -148,17 +148,7 @@ static int clear_instances(void)
 
 static int hw_init(struct sr_context *sr_ctx)
 {
-	struct drv_context *drvc;
-
-	if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-		sr_err("Driver context malloc failed.");
-		return SR_ERR_MALLOC;
-	}
-
-	drvc->sr_ctx = sr_ctx;
-	di->priv = drvc;
-
-	return SR_OK;
+	return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -197,11 +187,7 @@ static GSList *hw_scan(GSList *options)
 
 static GSList *hw_dev_list(void)
 {
-	struct drv_context *drvc;
-
-	drvc = di->priv;
-
-	return drvc->instances;
+	return ((struct drv_context *)(di->priv))->instances;
 }
 
 static int hw_dev_open(struct sr_dev_inst *sdi)
@@ -385,7 +371,7 @@ static int receive_data(int fd, int revents, void *cb_data)
 		logic.length = sending_now;
 		logic.unitsize = 1;
 		logic.data = buf;
-		sr_session_send(devc->session_dev_id, &packet);
+		sr_session_send(devc->cb_data, &packet);
 		devc->samples_counter += sending_now;
 	}
 
@@ -401,14 +387,10 @@ static int receive_data(int fd, int revents, void *cb_data)
 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 		void *cb_data)
 {
-	struct sr_datafeed_packet *packet;
-	struct sr_datafeed_header *header;
 	struct dev_context *devc;
 
 	(void)sdi;
 
-	sr_dbg("Starting acquisition.");
-
 	/* TODO: 'devc' is never g_free()'d? */
 	if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
 		sr_err("%s: devc malloc failed", __func__);
@@ -416,7 +398,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 	}
 
 	devc->sample_generator = default_pattern;
-	devc->session_dev_id = cb_data;
+	devc->cb_data = cb_data;
 	devc->samples_counter = 0;
 
 	/*
@@ -448,28 +430,12 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 	sr_session_source_add_channel(devc->channels[0], G_IO_IN | G_IO_ERR,
 		    40, receive_data, devc);
 
-	if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
-		sr_err("%s: packet malloc failed", __func__);
-		return SR_ERR_MALLOC;
-	}
-
-	if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
-		sr_err("%s: header malloc failed", __func__);
-		return SR_ERR_MALLOC;
-	}
-
-	packet->type = SR_DF_HEADER;
-	packet->payload = header;
-	header->feed_version = 1;
-	gettimeofday(&header->starttime, NULL);
-	sr_session_send(devc->session_dev_id, packet);
+	/* Send header packet to the session bus. */
+	std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
 
 	/* We use this timestamp to decide how many more samples to send. */
 	devc->starttime = g_get_monotonic_time();
 
-	g_free(header);
-	g_free(packet);
-
 	return SR_OK;
 }
 
@@ -489,7 +455,7 @@ static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 
 	/* Send last packet. */
 	packet.type = SR_DF_END;
-	sr_session_send(devc->session_dev_id, &packet);
+	sr_session_send(devc->cb_data, &packet);
 
 	return SR_OK;
 }