scpi: Add connenction_id() function to all scpi drivers.

[libsigrok.git] / src / scpi / scpi_serial.c

diff --git a/src/scpi/scpi_serial.c b/src/scpi/scpi_serial.c
index 23a5e3f02cb31acf784242d418dd1821f36ae57b..255416743cfda05e37b370b5da3efee1ddcd945a 100644 (file)
--- a/src/scpi/scpi_serial.c
+++ b/src/scpi/scpi_serial.c
@@ -98,6 +98,17 @@ static int scpi_serial_open(struct sr_scpi_dev_inst *scpi)
        return SR_OK;
 }
 
+static int scpi_serial_connection_id(struct sr_scpi_dev_inst *scpi,
+               char **connection_id)
+{
+       struct scpi_serial *sscpi = scpi->priv;
+       struct sr_serial_dev_inst *serial = sscpi->serial;
+
+       *connection_id = g_strdup(serial->port);
+
+       return SR_OK;
+}
+
 static int scpi_serial_source_add(struct sr_session *session, void *priv,
                int events, int timeout, sr_receive_data_callback cb, void *cb_data)
 {
@@ -192,6 +203,7 @@ SR_PRIV const struct sr_scpi_dev_inst scpi_serial_dev = {
        .scan          = scpi_serial_scan,
        .dev_inst_new  = scpi_serial_dev_inst_new,
        .open          = scpi_serial_open,
+       .connection_id = scpi_serial_connection_id,
        .source_add    = scpi_serial_source_add,
        .source_remove = scpi_serial_source_remove,
        .send          = scpi_serial_send,