serial-dmm: only send acquisition data for enabled channels

Respect the user's "channel enabled" status. Do not feed the session bus
when data for disabled channels was received.

diff --git a/src/hardware/serial-dmm/protocol.c b/src/hardware/serial-dmm/protocol.c
index e5f50ff7a1de7bf3587d755a68bc770d9480f0f5..a01173fa4bda4d14f8cfebe4fb2ec1d99f6f01b6 100644 (file)
--- a/src/hardware/serial-dmm/protocol.c
+++ b/src/hardware/serial-dmm/protocol.c
@@ -50,6 +50,7 @@ static void handle_packet(const uint8_t *buf, struct sr_dev_inst *sdi,
        struct sr_analog_spec spec;
        struct dev_context *devc;
        gboolean sent_sample;
+       struct sr_channel *channel;
        size_t ch_idx;
 
        dmm = (struct dmm_info *)sdi->driver;
@@ -63,8 +64,8 @@ static void handle_packet(const uint8_t *buf, struct sr_dev_inst *sdi,
                /* Note: digits/spec_digits will be overridden by the DMM parsers. */
                sr_analog_init(&analog, &encoding, &meaning, &spec, 0);
 
-               analog.meaning->channels =
-                       g_slist_append(NULL, g_slist_nth_data(sdi->channels, ch_idx));
+               channel = g_slist_nth_data(sdi->channels, ch_idx);
+               analog.meaning->channels = g_slist_append(NULL, channel);
                analog.num_samples = 1;
                analog.meaning->mq = 0;
 
@@ -75,7 +76,7 @@ static void handle_packet(const uint8_t *buf, struct sr_dev_inst *sdi,
                if (dmm->dmm_details)
                        dmm->dmm_details(&analog, info);
 
-               if (analog.meaning->mq != 0) {
+               if (analog.meaning->mq != 0 && channel->enabled) {
                        /* Got a measurement. */
                        packet.type = SR_DF_ANALOG;
                        packet.payload = &analog;