demo: Properly handle logic vs. analog when setting the pattern.

[libsigrok.git] / hardware / hantek-dso / api.c

diff --git a/hardware/hantek-dso/api.c b/hardware/hantek-dso/api.c
index 5d09e80ad173b977bba63e489c65d9b5d2fa70ae..3da04264b5279b3c43af0f2ae1da43f0d3a721d1 100644 (file)
--- a/hardware/hantek-dso/api.c
+++ b/hardware/hantek-dso/api.c
@@ -595,10 +595,6 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
 
        (void)probe_group;
 
-       if (!sdi)
-               return SR_ERR_ARG;
-
-       devc = sdi->priv;
        switch (key) {
        case SR_CONF_SCAN_OPTIONS:
                *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
@@ -609,6 +605,9 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
                                devopts, ARRAY_SIZE(devopts), sizeof(int32_t));
                break;
        case SR_CONF_BUFFERSIZE:
+               if (!sdi)
+                       return SR_ERR_ARG;
+               devc = sdi->priv;
                *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT64,
                                devc->profile->buffersizes, 2, sizeof(uint64_t));
                break;
@@ -806,8 +805,7 @@ static int handle_event(int fd, int revents, void *cb_data)
        struct timeval tv;
        struct dev_context *devc;
        struct drv_context *drvc = di->priv;
-       const struct libusb_pollfd **lupfd;
-       int num_probes, i;
+       int num_probes;
        uint32_t trigger_offset;
        uint8_t capturestate;
 
@@ -823,10 +821,7 @@ static int handle_event(int fd, int revents, void *cb_data)
                 * TODO: Doesn't really cancel pending transfers so they might
                 * come in after SR_DF_END is sent.
                 */
-               lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
-               for (i = 0; lupfd[i]; i++)
-                       sr_source_remove(lupfd[i]->fd);
-               free(lupfd);
+               usb_source_remove(drvc->sr_ctx);
 
                packet.type = SR_DF_END;
                sr_session_send(sdi, &packet);
@@ -916,10 +911,8 @@ static int handle_event(int fd, int revents, void *cb_data)
 
 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 {
-       const struct libusb_pollfd **lupfd;
        struct dev_context *devc;
        struct drv_context *drvc = di->priv;
-       int i;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
@@ -939,11 +932,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
                return SR_ERR;
 
        devc->dev_state = CAPTURE;
-       lupfd = libusb_get_pollfds(drvc->sr_ctx->libusb_ctx);
-       for (i = 0; lupfd[i]; i++)
-               sr_source_add(lupfd[i]->fd, lupfd[i]->events, TICK,
-                               handle_event, (void *)sdi);
-       free(lupfd);
+       usb_source_add(drvc->sr_ctx, TICK, handle_event, (void *)sdi);
 
        /* Send header packet to the session bus. */
        std_session_send_df_header(cb_data, LOG_PREFIX);