config_list: Don't check for sdi->priv != NULL.

[libsigrok.git] / src / hardware / rigol-ds / api.c

diff --git a/src/hardware/rigol-ds/api.c b/src/hardware/rigol-ds/api.c
index 3febe605f8230d1e60d951ab23038a1015ecc397..e743608381952bc46825564cca42650bac46b028 100644 (file)
--- a/src/hardware/rigol-ds/api.c
+++ b/src/hardware/rigol-ds/api.c
@@ -19,6 +19,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdlib.h>
@@ -26,8 +27,9 @@
 #include <strings.h>
 #include <math.h>
 #include <glib.h>
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
+#include "scpi.h"
 #include "protocol.h"
 
 static const uint32_t scanopts[] = {
@@ -270,11 +272,6 @@ static int dev_clear(const struct sr_dev_driver *di)
        return std_dev_clear(di, clear_helper);
 }
 
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
-       return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
 {
        struct dev_context *devc;
@@ -297,7 +294,7 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
        }
 
        for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
-               if (!strcasecmp(hw_info->manufacturer,
+               if (!g_ascii_strcasecmp(hw_info->manufacturer,
                                        supported_models[i].series->vendor->full_name) &&
                                !strcmp(hw_info->model, supported_models[i].name)) {
                        model = &supported_models[i];
@@ -311,7 +308,6 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
        }
 
        sdi = g_malloc0(sizeof(struct sr_dev_inst));
-       sdi->status = SR_ST_ACTIVE;
        sdi->vendor = g_strdup(model->series->vendor->name);
        sdi->model = g_strdup(model->name);
        sdi->version = g_strdup(hw_info->firmware_version);
@@ -338,12 +334,12 @@ static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
                        }
                        if (i != 3)
                                break;
-                       if (n[0] != 0 || n[1] > 2)
-                               break;
-                       if (n[1] == 2 && n[2] > 3)
-                               break;
-                       sr_dbg("Found DS1000 firmware < 0.2.4, using raw data format.");
-                       devc->format = FORMAT_RAW;
+                       scpi->firmware_version = n[0] * 100 + n[1] * 10 + n[2];
+                       if (scpi->firmware_version < 24) {
+                               sr_dbg("Found DS1000 firmware < 0.2.4, using raw data format.");
+                               devc->format = FORMAT_RAW;
+                       }
+                       break;
                } while (0);
                g_strfreev(version);
        }
@@ -410,11 +406,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        return sr_scpi_scan(di->context, options, probe_device);
 }
 
-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)
 {
        int ret;
@@ -458,11 +449,6 @@ 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 analog_frame_size(const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc = sdi->priv;
@@ -515,9 +501,11 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
        int idx = -1;
        unsigned i;
 
-       if (!sdi || !(devc = sdi->priv))
+       if (!sdi)
                return SR_ERR_ARG;
 
+       devc = sdi->priv;
+
        /* If a channel group is specified, it must be a valid one. */
        if (cg && !g_slist_find(sdi->channel_groups, cg)) {
                sr_err("Invalid channel group specified.");
@@ -646,8 +634,7 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        const char *tmp_str;
        char buffer[16];
 
-       if (!(devc = sdi->priv))
-               return SR_ERR_ARG;
+       devc = sdi->priv;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
@@ -807,9 +794,6 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
        unsigned int i;
        struct dev_context *devc = NULL;
 
-       if (sdi)
-               devc = sdi->priv;
-
        if (key == SR_CONF_SCAN_OPTIONS) {
                *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
                                scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
@@ -821,8 +805,9 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
        }
 
        /* Every other option requires a valid device instance. */
-       if (!sdi || !(devc = sdi->priv))
+       if (!sdi)
                return SR_ERR_ARG;
+       devc = sdi->priv;
 
        /* If a channel group is specified, it must be a valid one. */
        if (cg && !g_slist_find(sdi->channel_groups, cg)) {
@@ -923,7 +908,7 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
        return SR_OK;
 }
 
-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 sr_scpi_dev_inst *scpi;
        struct dev_context *devc;
@@ -1033,8 +1018,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50,
                        rigol_ds_receive, (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);
 
        devc->channel_entry = devc->enabled_channels;
 
@@ -1043,18 +1027,15 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
 
        /* Start of first frame. */
        packet.type = SR_DF_FRAME_BEGIN;
-       sr_session_send(cb_data, &packet);
+       sr_session_send(sdi, &packet);
 
        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;
        struct sr_scpi_dev_inst *scpi;
-       struct sr_datafeed_packet packet;
-
-       (void)cb_data;
 
        devc = sdi->priv;
 
@@ -1063,9 +1044,7 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
                return SR_ERR;
        }
 
-       /* End of last frame. */
-       packet.type = SR_DF_END;
-       sr_session_send(sdi, &packet);
+       std_session_send_df_end(sdi, LOG_PREFIX);
 
        g_slist_free(devc->enabled_channels);
        devc->enabled_channels = NULL;
@@ -1079,10 +1058,10 @@ SR_PRIV struct sr_dev_driver rigol_ds_driver_info = {
        .name = "rigol-ds",
        .longname = "Rigol DS",
        .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,