scpi-pps: don't break SCPI devices when scanning for HP-IB devices

[libsigrok.git] / src / hardware / hung-chang-dso-2100 / protocol.c

diff --git a/src/hardware/hung-chang-dso-2100/protocol.c b/src/hardware/hung-chang-dso-2100/protocol.c
index 3df5b3f291a2422ad1ddcd3996275b43358f8907..92d52c35e9a26d11401f330847f6310eb7bacd95 100644 (file)
--- a/src/hardware/hung-chang-dso-2100/protocol.c
+++ b/src/hardware/hung-chang-dso-2100/protocol.c
@@ -415,7 +415,6 @@ static int read_subframe(const struct sr_dev_inst *sdi, uint8_t *buf)
 
 SR_PRIV int hung_chang_dso_2100_poll(int fd, int revents, void *cb_data)
 {
-       struct sr_datafeed_packet packet = { .type = SR_DF_FRAME_BEGIN };
        struct sr_dev_inst *sdi;
        struct dev_context *devc;
        uint8_t state, buf[1000];
@@ -443,7 +442,7 @@ SR_PRIV int hung_chang_dso_2100_poll(int fd, int revents, void *cb_data)
                return FALSE;
        }
 
-       sr_session_send(sdi, &packet);
+       std_session_send_df_frame_begin(sdi);
 
        if (devc->channel) {
                while (read_subframe(sdi, buf)) {
@@ -456,8 +455,7 @@ SR_PRIV int hung_chang_dso_2100_poll(int fd, int revents, void *cb_data)
                }
        }
 
-       packet.type = SR_DF_FRAME_END;
-       sr_session_send(sdi, &packet);
+       std_session_send_df_frame_end(sdi);
 
        if (++devc->frame >= devc->frame_limit)
                sr_dev_acquisition_stop(sdi);