]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/atten-pps3xxx/api.c
Consistently use the "Sysclk" spelling everywhere.
[libsigrok.git] / src / hardware / atten-pps3xxx / api.c
index 1768f842969c5d072a8fd0c04133b8402c167cdd..b82b9fb333cf9fd460764d638ce325f3e607caaf 100644 (file)
@@ -182,21 +182,19 @@ static GSList *scan_3203(struct sr_dev_driver *di, GSList *options)
        return scan(di, options, PPS_3203T_3S);
 }
 
-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;
        struct sr_channel *ch;
-       int channel, ret;
+       int channel;
 
        if (!sdi)
                return SR_ERR_ARG;
 
        devc = sdi->priv;
 
-       ret = SR_OK;
        if (!cg) {
-               /* No channel group: global options. */
                switch (key) {
                case SR_CONF_CHANNEL_CONFIG:
                        *data = g_variant_new_string(channel_modes[devc->channel_mode]);
@@ -233,64 +231,36 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
                }
        }
 
-       return ret;
-}
-
-static int find_str(const char *str, const char **strings, int array_size)
-{
-       int idx, i;
-
-       idx = -1;
-       for (i = 0; i < array_size; i++) {
-               if (!strcmp(str, strings[i])) {
-                       idx = i;
-                       break;
-               }
-       }
-
-       return idx;
+       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;
        struct sr_channel *ch;
        gdouble dval;
-       int channel, ret, ival;
-       const char *sval;
+       int channel, ival;
        gboolean bval;
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
-       ret = SR_OK;
        devc = sdi->priv;
+
        if (!cg) {
-               /* No channel group: global options. */
                switch (key) {
                case SR_CONF_CHANNEL_CONFIG:
-                       sval = g_variant_get_string(data, NULL);
-                       if ((ival = find_str(sval, channel_modes,
-                                                       ARRAY_SIZE(channel_modes))) == -1) {
-                               ret = SR_ERR_ARG;
-                               break;
-                       }
-                       if (devc->model->channel_modes && (1 << ival) == 0) {
-                               /* Not supported on this model. */
-                               ret = SR_ERR_ARG;
-                       }
+                       if ((ival = std_str_idx(data, ARRAY_AND_SIZE(channel_modes))) < 0)
+                               return SR_ERR_ARG;
+                       if (devc->model->channel_modes && (1 << ival) == 0)
+                               return SR_ERR_ARG; /* Not supported on this model. */
                        if (ival == devc->channel_mode_set)
-                               /* Nothing to do. */
-                               break;
+                               break; /* Nothing to do. */
                        devc->channel_mode_set = ival;
                        devc->config_dirty = TRUE;
                        break;
                case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED:
                        bval = g_variant_get_boolean(data);
                        if (bval == devc->over_current_protection_set)
-                               /* Nothing to do. */
-                               break;
+                               break; /* Nothing to do. */
                        devc->over_current_protection_set = bval;
                        devc->config_dirty = TRUE;
                        break;
@@ -298,7 +268,6 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                        return SR_ERR_NA;
                }
        } else {
-               /* Channel group specified: per-channel options. */
                /* We only ever have one channel per channel group in this driver. */
                ch = cg->channels->data;
                channel = ch->index;
@@ -307,116 +276,85 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
                case SR_CONF_VOLTAGE_TARGET:
                        dval = g_variant_get_double(data);
                        if (dval < 0 || dval > devc->model->channels[channel].voltage[1])
-                               ret = SR_ERR_ARG;
+                               return SR_ERR_ARG;
                        devc->config[channel].output_voltage_max = dval;
                        devc->config_dirty = TRUE;
                        break;
                case SR_CONF_CURRENT_LIMIT:
                        dval = g_variant_get_double(data);
                        if (dval < 0 || dval > devc->model->channels[channel].current[1])
-                               ret = SR_ERR_ARG;
+                               return SR_ERR_ARG;
                        devc->config[channel].output_current_max = dval;
                        devc->config_dirty = TRUE;
                        break;
                case SR_CONF_ENABLED:
                        bval = g_variant_get_boolean(data);
                        if (bval == devc->config[channel].output_enabled_set)
-                               /* Nothing to do. */
-                               break;
+                               break; /* Nothing to do. */
                        devc->config[channel].output_enabled_set = bval;
                        devc->config_dirty = TRUE;
                        break;
                default:
-                       ret = SR_ERR_NA;
+                       return SR_ERR_NA;
                }
        }
 
-       return ret;
+       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)
 {
        struct dev_context *devc;
        struct sr_channel *ch;
-       GVariant *gvar;
-       GVariantBuilder gvb;
-       int channel, ret, i;
-
-       /* Always available. */
-       if (key == SR_CONF_SCAN_OPTIONS) {
-               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
-               return SR_OK;
-       }
+       int channel;
 
-       if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
-               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
-               return SR_OK;
-       }
+       devc = (sdi) ? sdi->priv : NULL;
 
-       if (!sdi)
-               return SR_ERR_ARG;
-
-       devc = sdi->priv;
-       ret = SR_OK;
        if (!cg) {
-               /* No channel group: global options. */
                switch (key) {
+               case SR_CONF_SCAN_OPTIONS:
                case SR_CONF_DEVICE_OPTIONS:
-                       *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_CHANNEL_CONFIG:
+                       if (!devc || !devc->model)
+                               return SR_ERR_ARG;
                        if (devc->model->channel_modes == CHANMODE_INDEPENDENT) {
                                /* The 1-channel models. */
                                *data = g_variant_new_strv(channel_modes, 1);
                        } else {
                                /* The other models support all modes. */
-                               *data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes));
+                               *data = g_variant_new_strv(ARRAY_AND_SIZE(channel_modes));
                        }
                        break;
                default:
                        return SR_ERR_NA;
                }
        } else {
-               /* Channel group specified: per-channel options. */
-               if (!sdi)
-                       return SR_ERR_ARG;
                /* We only ever have one channel per channel group in this driver. */
                ch = cg->channels->data;
                channel = ch->index;
 
                switch (key) {
                case SR_CONF_DEVICE_OPTIONS:
-                       *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                                       devopts_cg, ARRAY_SIZE(devopts_cg), sizeof(uint32_t));
+                       *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg));
                        break;
                case SR_CONF_VOLTAGE_TARGET:
-                       g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
-                       /* Min, max, step. */
-                       for (i = 0; i < 3; i++) {
-                               gvar = g_variant_new_double(devc->model->channels[channel].voltage[i]);
-                               g_variant_builder_add_value(&gvb, gvar);
-                       }
-                       *data = g_variant_builder_end(&gvb);
+                       if (!devc || !devc->model)
+                               return SR_ERR_ARG;
+                       *data = std_gvar_min_max_step_array(devc->model->channels[channel].voltage);
                        break;
                case SR_CONF_CURRENT_LIMIT:
-                       g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
-                       /* Min, max, step. */
-                       for (i = 0; i < 3; i++) {
-                               gvar = g_variant_new_double(devc->model->channels[channel].current[i]);
-                               g_variant_builder_add_value(&gvb, gvar);
-                       }
-                       *data = g_variant_builder_end(&gvb);
+                       if (!devc || !devc->model)
+                               return SR_ERR_ARG;
+                       *data = std_gvar_min_max_step_array(devc->model->channels[channel].current);
                        break;
                default:
                        return SR_ERR_NA;
                }
        }
 
-       return ret;
+       return SR_OK;
 }
 
 static int dev_close(struct sr_dev_inst *sdi)
@@ -424,6 +362,7 @@ static int dev_close(struct sr_dev_inst *sdi)
        struct dev_context *devc;
 
        devc = sdi->priv;
+
        if (devc->config_dirty)
                /* Some configuration changes were queued up but didn't
                 * get sent to the device, likely because we were never
@@ -439,9 +378,6 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
        struct sr_serial_dev_inst *serial;
        uint8_t packet[PACKET_SIZE];
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
-
        devc = sdi->priv;
        memset(devc->packet, 0x44, PACKET_SIZE);
        devc->packet_size = 0;
@@ -480,7 +416,7 @@ static struct sr_dev_driver atten_pps3203_driver_info = {
        .cleanup = std_cleanup,
        .scan = scan_3203,
        .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,