]> sigrok.org Git - libsigrok.git/commitdiff
Make sr_next_enabled_channel() from scpi-pps available library-wide.
authorBert Vermeulen <redacted>
Sun, 16 Aug 2015 13:54:02 +0000 (15:54 +0200)
committerUwe Hermann <redacted>
Tue, 25 Aug 2015 17:13:17 +0000 (19:13 +0200)
src/device.c
src/hardware/scpi-pps/api.c
src/hardware/scpi-pps/protocol.c
src/hardware/scpi-pps/protocol.h
src/libsigrok-internal.h

index fe3e231616e67c13989be8340cb74dcddd7195ae..dd34f79600dd4fe81797fad4b4b9a8cc3db46196 100644 (file)
@@ -133,6 +133,25 @@ SR_API int sr_dev_channel_enable(struct sr_channel *channel,
        return SR_OK;
 }
 
+/* Returns the next enabled channel, wrapping around if necessary. */
+SR_PRIV struct sr_channel *sr_next_enabled_channel(const struct sr_dev_inst *sdi,
+               struct sr_channel *cur_channel)
+{
+       struct sr_channel *next_channel;
+       GSList *l;
+
+       next_channel = cur_channel;
+       do {
+               l = g_slist_find(sdi->channels, next_channel);
+               if (l && l->next)
+                       next_channel = l->next->data;
+               else
+                       next_channel = sdi->channels->data;
+       } while (!next_channel->enabled);
+
+       return next_channel;
+}
+
 /**
  * Determine whether the specified device instance has the specified
  * capability.
index 58e14f6e08abdaf9cf8848efad9fc0a0a6611401..1210b81c6e1ef7554dca21ce2b28e678cd88481c 100644 (file)
@@ -597,7 +597,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        std_session_send_df_header(sdi, LOG_PREFIX);
 
        /* Prime the pipe with the first channel's fetch. */
-       ch = next_enabled_channel(sdi, NULL);
+       ch = sr_next_enabled_channel(sdi, NULL);
        pch = ch->priv;
        if ((ret = select_channel(sdi, ch)) < 0)
                return ret;
index c4b73add15b3dec0605caf67aa766efa218f825a..fcf3f21b6cbf1ae5ca5837b6105de3633f5a5094 100644 (file)
@@ -53,24 +53,6 @@ SR_PRIV int select_channel(const struct sr_dev_inst *sdi, struct sr_channel *ch)
        return ret;
 }
 
-SR_PRIV struct sr_channel *next_enabled_channel(const struct sr_dev_inst *sdi,
-               struct sr_channel *cur_channel)
-{
-       struct sr_channel *next_channel;
-       GSList *l;
-
-       next_channel = cur_channel;
-       do {
-               l = g_slist_find(sdi->channels, next_channel);
-               if (l && l->next)
-                       next_channel = l->next->data;
-               else
-                       next_channel = sdi->channels->data;
-       } while (!next_channel->enabled);
-
-       return next_channel;
-}
-
 SR_PRIV int scpi_pps_receive_data(int fd, int revents, void *cb_data)
 {
        struct dev_context *devc;
@@ -115,7 +97,7 @@ SR_PRIV int scpi_pps_receive_data(int fd, int revents, void *cb_data)
        }
 
        if (g_slist_length(sdi->channels) > 1) {
-               next_channel = next_enabled_channel(sdi, devc->cur_channel);
+               next_channel = sr_next_enabled_channel(sdi, devc->cur_channel);
                if (select_channel(sdi, next_channel) != SR_OK) {
                        sr_err("Failed to select channel %s", next_channel->name);
                        return FALSE;
index 7758924581958d699514359769629e2c11c8f207..6c84c08958651750c738e52c584d825dafda7d1d 100644 (file)
@@ -156,8 +156,6 @@ SR_PRIV extern const struct scpi_pps pps_profiles[];
 
 SR_PRIV const char *get_vendor(const char *raw_vendor);
 SR_PRIV int select_channel(const struct sr_dev_inst *sdi, struct sr_channel *ch);
-SR_PRIV struct sr_channel *next_enabled_channel(const struct sr_dev_inst *sdi,
-               struct sr_channel *cur_channel);
 SR_PRIV int scpi_pps_receive_data(int fd, int revents, void *cb_data);
 
 #endif
index 4b3daf441151c9d5ed1cfef08c83a4855febc77d..d36757828e07ff3728cd5b6fa87bafe0005d0aa8 100644 (file)
@@ -632,6 +632,8 @@ enum {
 
 SR_PRIV struct sr_channel *sr_channel_new(struct sr_dev_inst *sdi,
                int index, int type, gboolean enabled, const char *name);
+SR_PRIV struct sr_channel *sr_next_enabled_channel(const struct sr_dev_inst *sdi,
+               struct sr_channel *cur_channel);
 
 /** Device instance data */
 struct sr_dev_inst {