]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/appa-55ii/api.c
drivers: Factor out std_*_idx*().
[libsigrok.git] / src / hardware / appa-55ii / api.c
index cdf30af8bf850a3d5c052d0a52ec2c0a3c54540c..ddf3fe4a11885468a041838e1ab8d01a0300c2ea 100644 (file)
@@ -31,7 +31,7 @@ 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_GET | SR_CONF_SET,
        SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
        SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
@@ -42,16 +42,8 @@ static const char *data_sources[] = {
        "Memory",
 };
 
-SR_PRIV struct sr_dev_driver appa_55ii_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 drv_context *drvc;
        struct dev_context *devc;
        struct sr_serial_dev_inst *serial;
        struct sr_dev_inst *sdi;
@@ -87,8 +79,6 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 
        sr_info("Probing serial port %s.", conn);
 
-       drvc = di->context;
-       drvc->instances = NULL;
        serial_flush(serial);
 
        /* Let's get a bit of data and see if we can find a packet. */
@@ -107,22 +97,20 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
        sdi->inst_type = SR_INST_SERIAL;
        sdi->conn = serial;
        sdi->priv = devc;
-       sdi->driver = di;
 
        sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T1");
        sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T2");
 
-       drvc->instances = g_slist_append(drvc->instances, sdi);
        devices = g_slist_append(devices, sdi);
 
 scan_cleanup:
        serial_close(serial);
 
-       return devices;
+       return std_scan_complete(di, devices);
 }
 
-static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
-               const struct sr_channel_group *cg)
+static int config_get(uint32_t key, GVariant **data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
        struct dev_context *devc = sdi->priv;
 
@@ -130,11 +118,8 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 
        switch (key) {
        case SR_CONF_LIMIT_SAMPLES:
-               *data = g_variant_new_uint64(devc->limit_samples);
-               break;
        case SR_CONF_LIMIT_MSEC:
-               *data = g_variant_new_uint64(devc->limit_msec);
-               break;
+               return sr_sw_limits_config_get(&devc->limits, key, data);
        case SR_CONF_DATA_SOURCE:
                *data = g_variant_new_string(data_sources[devc->data_source]);
                break;
@@ -145,41 +130,25 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
        return SR_OK;
 }
 
-static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
-               const struct sr_channel_group *cg)
+static int config_set(uint32_t key, GVariant *data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
        struct dev_context *devc;
-       const char *tmp_str;
-       unsigned int i;
+       int idx;
 
        (void)cg;
 
-       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_SAMPLES:
-               devc->limit_samples = g_variant_get_uint64(data);
-               break;
        case SR_CONF_LIMIT_MSEC:
-               devc->limit_msec = g_variant_get_uint64(data);
-               break;
-       case SR_CONF_DATA_SOURCE: {
-               tmp_str = g_variant_get_string(data, NULL);
-               for (i = 0; i < ARRAY_SIZE(data_sources); i++)
-                       if (!strcmp(tmp_str, data_sources[i])) {
-                               devc->data_source = i;
-                               break;
-                       }
-               if (i == ARRAY_SIZE(data_sources))
-                       return SR_ERR;
+               return sr_sw_limits_config_set(&devc->limits, key, data);
+       case SR_CONF_DATA_SOURCE:
+               if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0)
+                       return SR_ERR_ARG;
+               devc->data_source = idx;
                break;
-       }
        default:
                return SR_ERR_NA;
        }
@@ -187,26 +156,15 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
        return SR_OK;
 }
 
-static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
-               const struct sr_channel_group *cg)
+static int config_list(uint32_t key, GVariant **data,
+       const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
-       (void)cg;
-
        switch (key) {
        case SR_CONF_SCAN_OPTIONS:
-               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
-               break;
        case SR_CONF_DEVICE_OPTIONS:
-               if (!sdi)
-                       *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                                       drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
-               else
-                       *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                                       devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
-               break;
+               return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
        case SR_CONF_DATA_SOURCE:
-               *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
+               *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources));
                break;
        default:
                return SR_ERR_NA;
@@ -221,49 +179,34 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        struct dev_context *devc;
 
        serial = sdi->conn;
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        devc = sdi->priv;
 
-       /*
-        * Reset the number of samples to take. If we've already collected our
-        * quota, but we start a new session, and don't reset this, we'll just
-        * quit without acquiring any new samples.
-        */
-       devc->num_samples = 0;
-       devc->start_time = g_get_monotonic_time();
+       sr_sw_limits_acquisition_start(&devc->limits);
 
-       std_session_send_df_header(sdi, LOG_PREFIX);
+       std_session_send_df_header(sdi);
 
-       /* Poll every 50ms, or whenever some data comes in. */
        serial_source_add(sdi->session, serial, G_IO_IN, 50,
                        appa_55ii_receive_data, (void *)sdi);
 
        return SR_OK;
 }
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi)
-{
-       return std_serial_dev_acquisition_stop(sdi,
-                       std_serial_dev_close, sdi->conn, LOG_PREFIX);
-}
-
-SR_PRIV struct sr_dev_driver appa_55ii_driver_info = {
+static struct sr_dev_driver appa_55ii_driver_info = {
        .name = "appa-55ii",
        .longname = "APPA 55II",
        .api_version = 1,
-       .init = init,
+       .init = std_init,
        .cleanup = std_cleanup,
        .scan = scan,
        .dev_list = std_dev_list,
-       .dev_clear = NULL,
+       .dev_clear = std_dev_clear,
        .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
        .dev_open = std_serial_dev_open,
        .dev_close = std_serial_dev_close,
        .dev_acquisition_start = dev_acquisition_start,
-       .dev_acquisition_stop = dev_acquisition_stop,
+       .dev_acquisition_stop = std_serial_dev_acquisition_stop,
        .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(appa_55ii_driver_info);