X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fhameg-hmo%2Fprotocol.c;h=28c9fd611950b270efbb441d8102f7be31b4640e;hb=bf622e6d00e7985e36a0ddb643e2bf05d66679a6;hp=c97658ea441990a5563ff582861349d3a180e7c6;hpb=5827f61b641cfd326a9cf2ea534eb4f9481a8187;p=libsigrok.git

diff --git a/src/hardware/hameg-hmo/protocol.c b/src/hardware/hameg-hmo/protocol.c
index c97658ea..28c9fd61 100644
--- a/src/hardware/hameg-hmo/protocol.c
+++ b/src/hardware/hameg-hmo/protocol.c
@@ -47,10 +47,10 @@ static const char *hameg_scpi_dialect[] = {
 
 static const uint32_t hmo_devopts[] = {
 	SR_CONF_OSCILLOSCOPE,
-	SR_CONF_LIMIT_FRAMES,
+	SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 	SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
-	SR_CONF_NUM_TIMEBASE | SR_CONF_GET,
+	SR_CONF_NUM_HDIV | SR_CONF_GET,
 	SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 	SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_SAMPLERATE | SR_CONF_GET,
@@ -616,9 +616,8 @@ SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
 
 	/* Add analog channels. */
 	for (i = 0; i < scope_models[model_index].analog_channels; i++) {
-		if (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE,
-			   (*scope_models[model_index].analog_names)[i])))
-			return SR_ERR_MALLOC;
+		ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE,
+			   (*scope_models[model_index].analog_names)[i]);
 		sdi->channels = g_slist_append(sdi->channels, ch);
 
 		devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
@@ -644,9 +643,8 @@ SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
 
 	/* Add digital channels. */
 	for (i = 0; i < scope_models[model_index].digital_channels; i++) {
-		if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE,
-			   (*scope_models[model_index].digital_names)[i])))
-			return SR_ERR_MALLOC;
+		ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE,
+			   (*scope_models[model_index].digital_names)[i]);
 		sdi->channels = g_slist_append(sdi->channels, ch);
 
 		devc->digital_groups[i < 8 ? 0 : 1]->channels = g_slist_append(
@@ -674,6 +672,8 @@ SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
 
 	(void)fd;
 
+	data = NULL;
+
 	if (!(sdi = cb_data))
 		return TRUE;
 
@@ -706,6 +706,7 @@ SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
 			sr_session_send(cb_data, &packet);
 			g_slist_free(analog.channels);
 			g_array_free(data, TRUE);
+			data = NULL;
 			break;
 		case SR_CHANNEL_LOGIC:
 			if (sr_scpi_get_uint8v(sdi->conn, NULL, &data) != SR_OK) {
@@ -724,6 +725,7 @@ SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
 			packet.payload = &logic;
 			sr_session_send(cb_data, &packet);
 			g_array_free(data, TRUE);
+			data = NULL;
 			break;
 		default:
 			sr_err("Invalid channel type.");