Put driver pointers into special section

[libsigrok.git] / src / hardware / agilent-dmm / api.c

diff --git a/src/hardware/agilent-dmm/api.c b/src/hardware/agilent-dmm/api.c
index 6c41023de91aa31f258807a34c8a250c210b79e8..514a2d276881b8444f8099b2edbbe76285cf7e05 100644 (file)
--- a/src/hardware/agilent-dmm/api.c
+++ b/src/hardware/agilent-dmm/api.c
@@ -17,13 +17,13 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <glib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <string.h>
-#include <errno.h>
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
 #include "agilent-dmm.h"
 
@@ -37,7 +37,7 @@ static const uint32_t drvopts[] = {
 };
 
 static const uint32_t devopts[] = {
-       SR_CONF_CONTINUOUS | SR_CONF_SET,
+       SR_CONF_CONTINUOUS,
        SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
        SR_CONF_LIMIT_MSEC | SR_CONF_SET,
 };
@@ -70,13 +70,6 @@ static const struct agdmm_profile supported_agdmm[] = {
        ALL_ZERO
 };
 
-SR_PRIV struct sr_dev_driver agdmm_driver_info;
-
-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 sr_dev_inst *sdi;
@@ -89,7 +82,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        const char *conn, *serialcomm;
        char *buf, **tokens;
 
-       drvc = di->priv;
+       drvc = di->context;
        drvc->instances = NULL;
 
        devices = NULL;
@@ -122,10 +115,7 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        }
 
        len = 128;
-       if (!(buf = g_try_malloc(len))) {
-               sr_err("Serial buffer malloc failed.");
-               return NULL;
-       }
+       buf = g_malloc(len);
        serial_readline(serial, &buf, &len, 250);
        if (!len)
                return NULL;
@@ -164,16 +154,6 @@ 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->priv))->instances;
-}
-
-static int cleanup(const struct sr_dev_driver *di)
-{
-       return std_dev_clear(di, NULL);
-}
-
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
@@ -184,26 +164,15 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
-       if (!(devc = sdi->priv)) {
-               sr_err("sdi->priv was NULL.");
-               return SR_ERR_BUG;
-       }
+       devc = sdi->priv;
 
        switch (key) {
        case SR_CONF_LIMIT_MSEC:
                /* TODO: not yet implemented */
-               if (g_variant_get_uint64(data) == 0) {
-                       sr_err("LIMIT_MSEC can't be 0.");
-                       return SR_ERR;
-               }
                devc->limit_msec = g_variant_get_uint64(data);
-               sr_dbg("Setting time limit to %" PRIu64 "ms.",
-                      devc->limit_msec);
                break;
        case SR_CONF_LIMIT_SAMPLES:
                devc->limit_samples = g_variant_get_uint64(data);
-               sr_dbg("Setting sample limit to %" PRIu64 ".",
-                      devc->limit_samples);
                break;
        default:
                return SR_ERR_NA;
@@ -215,7 +184,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
                const struct sr_channel_group *cg)
 {
-       (void)sdi;
        (void)cg;
 
        switch (key) {
@@ -238,23 +206,14 @@ 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 dev_context *devc;
        struct sr_serial_dev_inst *serial;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
-       if (!(devc = sdi->priv)) {
-               sr_err("sdi->priv was NULL.");
-               return SR_ERR_BUG;
-       }
-
-       devc->cb_data = cb_data;
-
-       /* Send header packet to the session bus. */
-       std_session_send_df_header(cb_data, LOG_PREFIX);
+       std_session_send_df_header(sdi, LOG_PREFIX);
 
        /* Poll every 100ms, or whenever some data comes in. */
        serial = sdi->conn;
@@ -264,20 +223,20 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
        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)
 {
-       return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
+       return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
                        sdi->conn, LOG_PREFIX);
 }
 
-SR_PRIV struct sr_dev_driver agdmm_driver_info = {
+static struct sr_dev_driver agdmm_driver_info = {
        .name = "agilent-dmm",
        .longname = "Agilent U12xx series DMMs",
        .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 = NULL,
        .config_get = NULL,
        .config_set = config_set,
@@ -286,5 +245,6 @@ SR_PRIV struct sr_dev_driver agdmm_driver_info = {
        .dev_close = std_serial_dev_close,
        .dev_acquisition_start = dev_acquisition_start,
        .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(agdmm_driver_info);