Put driver pointers into special section

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

diff --git a/src/hardware/hantek-dso/api.c b/src/hardware/hantek-dso/api.c
index 5fe431d5be7c468f219ce8b81b32431fbd1b88b9..275bbf99d5f7775bf72ecbf1b5990764e9e29208 100644 (file)
--- a/src/hardware/hantek-dso/api.c
+++ b/src/hardware/hantek-dso/api.c
@@ -52,7 +52,7 @@ static const uint32_t drvopts[] = {
 };
 
 static const uint32_t devopts[] = {
-       SR_CONF_CONTINUOUS | SR_CONF_SET,
+       SR_CONF_CONTINUOUS,
        SR_CONF_LIMIT_FRAMES | SR_CONF_SET,
        SR_CONF_CONN | SR_CONF_GET,
        SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
@@ -160,11 +160,10 @@ static const char *coupling[] = {
        "GND",
 };
 
-SR_PRIV struct sr_dev_driver hantek_dso_driver_info;
+static int dev_acquisition_stop(struct sr_dev_inst *sdi);
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
-
-static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof)
+static struct sr_dev_inst *dso_dev_new(struct sr_dev_driver *di,
+       const struct dso_profile *prof)
 {
        struct sr_dev_inst *sdi;
        struct sr_channel *ch;
@@ -177,7 +176,7 @@ static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof)
        sdi->status = SR_ST_INITIALIZING;
        sdi->vendor = g_strdup(prof->vendor);
        sdi->model = g_strdup(prof->model);
-       sdi->driver = &hantek_dso_driver_info;
+       sdi->driver = di;
 
        /*
         * Add only the real channels -- EXT isn't a source of data, only
@@ -209,7 +208,7 @@ static struct sr_dev_inst *dso_dev_new(const struct dso_profile *prof)
        devc->triggersource = g_strdup(DEFAULT_TRIGGER_SOURCE);
        devc->triggerposition = DEFAULT_HORIZ_TRIGGERPOS;
        sdi->priv = devc;
-       drvc = hantek_dso_driver_info.context;
+       drvc = di->context;
        drvc->instances = g_slist_append(drvc->instances, sdi);
 
        return sdi;
@@ -254,11 +253,6 @@ static int dev_clear(const struct sr_dev_driver *di)
        return std_dev_clear(di, clear_dev_context);
 }
 
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
-       return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
 static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
        struct drv_context *drvc;
@@ -319,7 +313,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                                /* Device matches the pre-firmware profile. */
                                prof = &dev_profiles[j];
                                sr_dbg("Found a %s %s.", prof->vendor, prof->model);
-                               sdi = dso_dev_new(prof);
+                               sdi = dso_dev_new(di, prof);
                                sdi->connection_id = g_strdup(connection_id);
                                devices = g_slist_append(devices, sdi);
                                devc = sdi->priv;
@@ -338,7 +332,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
                                /* Device matches the post-firmware profile. */
                                prof = &dev_profiles[j];
                                sr_dbg("Found a %s %s.", prof->vendor, prof->model);
-                               sdi = dso_dev_new(prof);
+                               sdi = dso_dev_new(di, prof);
                                sdi->connection_id = g_strdup(connection_id);
                                sdi->status = SR_ST_INACTIVE;
                                devices = g_slist_append(devices, sdi);
@@ -358,11 +352,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        return devices;
 }
 
-static GSList *dev_list(const struct sr_dev_driver *di)
-{
-       return ((struct drv_context *)(di->context))->instances;
-}
-
 static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
@@ -418,11 +407,6 @@ static int dev_close(struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-static int cleanup(const struct sr_dev_driver *di)
-{
-       return dev_clear(di);
-}
-
 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
@@ -755,7 +739,7 @@ static void send_chunk(struct sr_dev_inst *sdi, unsigned char *buf,
                        analog.data[data_offset++] = ch2;
                }
        }
-       sr_session_send(devc->cb_data, &packet);
+       sr_session_send(sdi, &packet);
        g_free(analog.data);
 }
 
@@ -844,7 +828,7 @@ static void LIBUSB_CALL receive_transfer(struct libusb_transfer *transfer)
 
                /* Mark the end of this frame. */
                packet.type = SR_DF_FRAME_END;
-               sr_session_send(devc->cb_data, &packet);
+               sr_session_send(sdi, &packet);
 
                if (devc->limit_frames && ++devc->num_frames == devc->limit_frames) {
                        /* Terminate session */
@@ -883,8 +867,7 @@ static int handle_event(int fd, int revents, void *cb_data)
                 */
                usb_source_remove(sdi->session, drvc->sr_ctx);
 
-               packet.type = SR_DF_END;
-               sr_session_send(sdi, &packet);
+               std_session_send_df_end(sdi, LOG_PREFIX);
 
                devc->dev_state = IDLE;
 
@@ -968,7 +951,7 @@ static int handle_event(int fd, int revents, void *cb_data)
        return TRUE;
 }
 
-static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        struct sr_dev_driver *di = sdi->driver;
@@ -978,7 +961,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
                return SR_ERR_DEV_CLOSED;
 
        devc = sdi->priv;
-       devc->cb_data = cb_data;
 
        if (configure_channels(sdi) != SR_OK) {
                sr_err("Failed to configure channels.");
@@ -994,18 +976,15 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        devc->dev_state = CAPTURE;
        usb_source_add(sdi->session, drvc->sr_ctx, TICK, handle_event, (void *)sdi);
 
-       /* Send header packet to the session bus. */
-       std_session_send_df_header(cb_data, LOG_PREFIX);
+       std_session_send_df_header(sdi, LOG_PREFIX);
 
        return SR_OK;
 }
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
 
-       (void)cb_data;
-
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR;
 
@@ -1015,14 +994,14 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
        return SR_OK;
 }
 
-SR_PRIV struct sr_dev_driver hantek_dso_driver_info = {
+static struct sr_dev_driver hantek_dso_driver_info = {
        .name = "hantek-dso",
        .longname = "Hantek DSO",
        .api_version = 1,
-       .init = init,
-       .cleanup = cleanup,
+       .init = std_init,
+       .cleanup = std_cleanup,
        .scan = scan,
-       .dev_list = dev_list,
+       .dev_list = std_dev_list,
        .dev_clear = dev_clear,
        .config_get = config_get,
        .config_set = config_set,
@@ -1033,3 +1012,4 @@ SR_PRIV struct sr_dev_driver hantek_dso_driver_info = {
        .dev_acquisition_stop = dev_acquisition_stop,
        .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(hantek_dso_driver_info);