From: Uwe Hermann Date: Thu, 3 Aug 2017 21:18:01 +0000 (+0200) Subject: drivers: Factor out std_cg_idx(). X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=fcd6a8bdf179d7ac0558eef2e205bfb941e5ba5c;p=libsigrok.git drivers: Factor out std_cg_idx(). --- diff --git a/src/hardware/hameg-hmo/api.c b/src/hardware/hameg-hmo/api.c index 9cb4dc8e..6d441194 100644 --- a/src/hardware/hameg-hmo/api.c +++ b/src/hardware/hameg-hmo/api.c @@ -130,7 +130,6 @@ static int dev_close(struct sr_dev_inst *sdi) static int check_channel_group(struct dev_context *devc, const struct sr_channel_group *cg) { - unsigned int i; const struct scope_config *model; model = devc->model_config; @@ -138,13 +137,11 @@ static int check_channel_group(struct dev_context *devc, if (!cg) return CG_NONE; - for (i = 0; i < model->analog_channels; i++) - if (cg == devc->analog_groups[i]) - return CG_ANALOG; + if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) >= 0) + return CG_ANALOG; - for (i = 0; i < model->digital_pods; i++) - if (cg == devc->digital_groups[i]) - return CG_DIGITAL; + if (std_cg_idx(cg, devc->digital_groups, model->digital_pods) >= 0) + return CG_DIGITAL; sr_err("Invalid channel group specified."); @@ -154,8 +151,7 @@ static int check_channel_group(struct dev_context *devc, static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - int cg_type; - unsigned int i; + int cg_type, idx; struct dev_context *devc; const struct scope_config *model; struct scope_state *state; @@ -183,12 +179,9 @@ static int config_get(uint32_t key, GVariant **data, if (cg_type == CG_NONE) { return SR_ERR_CHANNEL_GROUP; } else if (cg_type == CG_ANALOG) { - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new_int32(model->num_ydivs); - break; - } + if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0) + return SR_ERR_ARG; + *data = g_variant_new_int32(model->num_ydivs); } else { return SR_ERR_NA; } @@ -197,14 +190,11 @@ static int config_get(uint32_t key, GVariant **data, if (cg_type == CG_NONE) { return SR_ERR_CHANNEL_GROUP; } else if (cg_type == CG_ANALOG) { - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new("(tt)", - (*model->vdivs)[state->analog_channels[i].vdiv][0], - (*model->vdivs)[state->analog_channels[i].vdiv][1]); - break; - } + if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + *data = g_variant_new("(tt)", + (*model->vdivs)[state->analog_channels[idx].vdiv][0], + (*model->vdivs)[state->analog_channels[idx].vdiv][1]); } else { return SR_ERR_NA; } @@ -222,12 +212,9 @@ static int config_get(uint32_t key, GVariant **data, if (cg_type == CG_NONE) { return SR_ERR_CHANNEL_GROUP; } else if (cg_type == CG_ANALOG) { - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); - break; - } + if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[idx].coupling]); } else { return SR_ERR_NA; } @@ -245,8 +232,7 @@ static int config_get(uint32_t key, GVariant **data, static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - int ret, cg_type, idx; - unsigned int j; + int ret, cg_type, idx, j; char command[MAX_COMMAND_SIZE], float_str[30]; struct dev_context *devc; const struct scope_config *model; @@ -287,20 +273,17 @@ static int config_set(uint32_t key, GVariant *data, return SR_ERR_CHANNEL_GROUP; if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0) return SR_ERR_ARG; - for (j = 0; j < model->analog_channels; j++) { - if (cg != devc->analog_groups[j]) - continue; - state->analog_channels[j].vdiv = idx; - g_ascii_formatd(float_str, sizeof(float_str), "%E", - (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]); - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], - j + 1, float_str); - if (sr_scpi_send(sdi->conn, command) != SR_OK || - sr_scpi_get_opc(sdi->conn) != SR_OK) - return SR_ERR; - break; - } + if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + state->analog_channels[j].vdiv = idx; + g_ascii_formatd(float_str, sizeof(float_str), "%E", + (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]); + g_snprintf(command, sizeof(command), + (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], + j + 1, float_str); + if (sr_scpi_send(sdi->conn, command) != SR_OK || + sr_scpi_get_opc(sdi->conn) != SR_OK) + return SR_ERR; ret = SR_OK; break; case SR_CONF_TIMEBASE: @@ -344,18 +327,15 @@ static int config_set(uint32_t key, GVariant *data, return SR_ERR_CHANNEL_GROUP; if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0) return SR_ERR_ARG; - for (j = 0; j <= model->analog_channels; j++) { - if (cg != devc->analog_groups[j]) - continue; - state->analog_channels[j].coupling = idx; - g_snprintf(command, sizeof(command), - (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], - j + 1, (*model->coupling_options)[idx]); - if (sr_scpi_send(sdi->conn, command) != SR_OK || - sr_scpi_get_opc(sdi->conn) != SR_OK) - return SR_ERR; - break; - } + if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + state->analog_channels[j].coupling = idx; + g_snprintf(command, sizeof(command), + (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], + j + 1, (*model->coupling_options)[idx]); + if (sr_scpi_send(sdi->conn, command) != SR_OK || + sr_scpi_get_opc(sdi->conn) != SR_OK) + return SR_ERR; ret = SR_OK; break; default: diff --git a/src/hardware/lecroy-xstream/api.c b/src/hardware/lecroy-xstream/api.c index a9d9e044..e20c5adc 100644 --- a/src/hardware/lecroy-xstream/api.c +++ b/src/hardware/lecroy-xstream/api.c @@ -134,7 +134,7 @@ static int dev_close(struct sr_dev_inst *sdi) static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - unsigned int i; + int idx; struct dev_context *devc; const struct scope_config *model; struct scope_state *state; @@ -158,20 +158,16 @@ static int config_get(uint32_t key, GVariant **data, (*model->timebases)[state->timebase][1]); break; case SR_CONF_NUM_VDIV: - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new_int32(model->num_ydivs); - } + if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0) + return SR_ERR_ARG; + *data = g_variant_new_int32(model->num_ydivs); break; case SR_CONF_VDIV: - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new("(tt)", - (*model->vdivs)[state->analog_channels[i].vdiv][0], - (*model->vdivs)[state->analog_channels[i].vdiv][1]); - } + if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + *data = g_variant_new("(tt)", + (*model->vdivs)[state->analog_channels[idx].vdiv][0], + (*model->vdivs)[state->analog_channels[idx].vdiv][1]); break; case SR_CONF_TRIGGER_SOURCE: *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); @@ -183,11 +179,9 @@ static int config_get(uint32_t key, GVariant **data, *data = g_variant_new_double(state->horiz_triggerpos); break; case SR_CONF_COUPLING: - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); - } + if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[idx].coupling]); break; case SR_CONF_SAMPLERATE: *data = g_variant_new_uint64(state->sample_rate); @@ -205,8 +199,7 @@ static int config_get(uint32_t key, GVariant **data, static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - int ret, idx; - unsigned int j; + int ret, idx, j; char command[MAX_COMMAND_SIZE]; struct dev_context *devc; const struct scope_config *model; @@ -241,17 +234,14 @@ static int config_set(uint32_t key, GVariant *data, case SR_CONF_VDIV: if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0) return SR_ERR_ARG; - for (j = 0; j < model->analog_channels; j++) { - if (cg != devc->analog_groups[j]) - continue; - state->analog_channels[j].vdiv = idx; - g_snprintf(command, sizeof(command), - "C%d:VDIV %E", j + 1, (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]); - if (sr_scpi_send(sdi->conn, command) != SR_OK || - sr_scpi_get_opc(sdi->conn) != SR_OK) - return SR_ERR; - break; - } + if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + state->analog_channels[j].vdiv = idx; + g_snprintf(command, sizeof(command), + "C%d:VDIV %E", j + 1, (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]); + if (sr_scpi_send(sdi->conn, command) != SR_OK || + sr_scpi_get_opc(sdi->conn) != SR_OK) + return SR_ERR; ret = SR_OK; break; case SR_CONF_TIMEBASE: @@ -290,17 +280,14 @@ static int config_set(uint32_t key, GVariant *data, case SR_CONF_COUPLING: if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0) return SR_ERR_ARG; - for (j = 0; j < model->analog_channels; j++) { - if (cg != devc->analog_groups[j]) - continue; - state->analog_channels[j].coupling = idx; - g_snprintf(command, sizeof(command), "C%d:COUPLING %s", - j + 1, (*model->coupling_options)[idx]); - if (sr_scpi_send(sdi->conn, command) != SR_OK || - sr_scpi_get_opc(sdi->conn) != SR_OK) - return SR_ERR; - break; - } + if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + state->analog_channels[j].coupling = idx; + g_snprintf(command, sizeof(command), "C%d:COUPLING %s", + j + 1, (*model->coupling_options)[idx]); + if (sr_scpi_send(sdi->conn, command) != SR_OK || + sr_scpi_get_opc(sdi->conn) != SR_OK) + return SR_ERR; ret = SR_OK; break; default: diff --git a/src/hardware/rigol-ds/api.c b/src/hardware/rigol-ds/api.c index 72077d2e..443d89dd 100644 --- a/src/hardware/rigol-ds/api.c +++ b/src/hardware/rigol-ds/api.c @@ -619,8 +619,7 @@ static int config_set(uint32_t key, GVariant *data, struct dev_context *devc; uint64_t p; double t_dbl; - unsigned int i; - int ret, idx; + int ret, idx, i; const char *tmp_str; char buffer[16]; @@ -689,52 +688,36 @@ static int config_set(uint32_t key, GVariant *data, case SR_CONF_VDIV: if (!cg) return SR_ERR_CHANNEL_GROUP; - for (i = 0; i < devc->model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(vdivs))) < 0) - return SR_ERR_ARG; - devc->vdiv[i] = (float)vdivs[idx][0] / vdivs[idx][1]; - g_ascii_formatd(buffer, sizeof(buffer), "%.3f", - devc->vdiv[i]); - return rigol_ds_config_set(sdi, ":CHAN%d:SCAL %s", i + 1, - buffer); - } - sr_dbg("Didn't set vdiv, unknown channel(group)."); - return SR_ERR_NA; + if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0) + return SR_ERR_ARG; + if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(vdivs))) < 0) + return SR_ERR_ARG; + devc->vdiv[i] = (float)vdivs[idx][0] / vdivs[idx][1]; + g_ascii_formatd(buffer, sizeof(buffer), "%.3f", devc->vdiv[i]); + return rigol_ds_config_set(sdi, ":CHAN%d:SCAL %s", i + 1, buffer); case SR_CONF_COUPLING: if (!cg) return SR_ERR_CHANNEL_GROUP; - for (i = 0; i < devc->model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - if ((idx = std_str_idx(data, ARRAY_AND_SIZE(coupling))) < 0) - return SR_ERR_ARG; - g_free(devc->coupling[i]); - devc->coupling[i] = g_strdup(coupling[idx]); - return rigol_ds_config_set(sdi, ":CHAN%d:COUP %s", i + 1, - devc->coupling[i]); - } - sr_dbg("Didn't set coupling, unknown channel(group)."); - return SR_ERR_NA; + if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0) + return SR_ERR_ARG; + if ((idx = std_str_idx(data, ARRAY_AND_SIZE(coupling))) < 0) + return SR_ERR_ARG; + g_free(devc->coupling[i]); + devc->coupling[i] = g_strdup(coupling[idx]); + return rigol_ds_config_set(sdi, ":CHAN%d:COUP %s", i + 1, devc->coupling[i]); case SR_CONF_PROBE_FACTOR: if (!cg) return SR_ERR_CHANNEL_GROUP; + if ((i = std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels)) < 0) + return SR_ERR_ARG; + if ((idx = std_u64_idx(data, ARRAY_AND_SIZE(probe_factor))) < 0) + return SR_ERR_ARG; p = g_variant_get_uint64(data); - for (i = 0; i < devc->model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - if ((idx = std_u64_idx(data, ARRAY_AND_SIZE(probe_factor))) < 0) - return SR_ERR_ARG; - devc->attenuation[i] = probe_factor[idx]; - ret = rigol_ds_config_set(sdi, ":CHAN%d:PROB %"PRIu64, - i + 1, p); - if (ret == SR_OK) - rigol_ds_get_dev_cfg_vertical(sdi); - return ret; - } - sr_dbg("Didn't set probe factor, unknown channel(group)."); - return SR_ERR_NA; + devc->attenuation[i] = probe_factor[idx]; + ret = rigol_ds_config_set(sdi, ":CHAN%d:PROB %"PRIu64, i + 1, p); + if (ret == SR_OK) + rigol_ds_get_dev_cfg_vertical(sdi); + return ret; case SR_CONF_DATA_SOURCE: tmp_str = g_variant_get_string(data, NULL); if (!strcmp(tmp_str, "Live")) @@ -760,7 +743,6 @@ static int config_set(uint32_t key, GVariant *data, static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - unsigned int i; struct dev_context *devc; devc = (sdi) ? sdi->priv : NULL; @@ -774,13 +756,10 @@ static int config_list(uint32_t key, GVariant **data, *data = std_gvar_array_u32(NULL, 0); return SR_OK; } else { - for (i = 0; i < devc->model->analog_channels; i++) { - if (cg == devc->analog_groups[i]) { - *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog)); - return SR_OK; - } - } - return SR_ERR_NA; + if (std_cg_idx(cg, devc->analog_groups, devc->model->analog_channels) < 0) + return SR_ERR_ARG; + *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog)); + return SR_OK; } break; case SR_CONF_COUPLING: diff --git a/src/hardware/yokogawa-dlm/api.c b/src/hardware/yokogawa-dlm/api.c index 5e554608..0fca7f04 100644 --- a/src/hardware/yokogawa-dlm/api.c +++ b/src/hardware/yokogawa-dlm/api.c @@ -162,7 +162,6 @@ static int dev_close(struct sr_dev_inst *sdi) static int check_channel_group(struct dev_context *devc, const struct sr_channel_group *cg) { - unsigned int i; const struct scope_config *model; model = devc->model_config; @@ -170,23 +169,21 @@ static int check_channel_group(struct dev_context *devc, if (!cg) return CG_NONE; - for (i = 0; i < model->analog_channels; i++) - if (cg == devc->analog_groups[i]) - return CG_ANALOG; + if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) >= 0) + return CG_ANALOG; - for (i = 0; i < model->pods; i++) - if (cg == devc->digital_groups[i]) - return CG_DIGITAL; + if (std_cg_idx(cg, devc->digital_groups, model->pods) >= 0) + return CG_DIGITAL; sr_err("Invalid channel group specified."); + return CG_INVALID; } static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - int ret, cg_type; - unsigned int i; + int ret, cg_type, idx; struct dev_context *devc; const struct scope_config *model; struct scope_state *state; @@ -230,16 +227,12 @@ static int config_get(uint32_t key, GVariant **data, return SR_ERR_CHANNEL_GROUP; } else if (cg_type != CG_ANALOG) break; - - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new("(tt)", - dlm_vdivs[state->analog_states[i].vdiv][0], - dlm_vdivs[state->analog_states[i].vdiv][1]); - ret = SR_OK; - break; - } + if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + *data = g_variant_new("(tt)", + dlm_vdivs[state->analog_states[idx].vdiv][0], + dlm_vdivs[state->analog_states[idx].vdiv][1]); + ret = SR_OK; break; case SR_CONF_TRIGGER_SOURCE: *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); @@ -259,14 +252,10 @@ static int config_get(uint32_t key, GVariant **data, return SR_ERR_CHANNEL_GROUP; } else if (cg_type != CG_ANALOG) break; - - for (i = 0; i < model->analog_channels; i++) { - if (cg != devc->analog_groups[i]) - continue; - *data = g_variant_new_string((*model->coupling_options)[state->analog_states[i].coupling]); - ret = SR_OK; - break; - } + if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + *data = g_variant_new_string((*model->coupling_options)[state->analog_states[idx].coupling]); + ret = SR_OK; break; case SR_CONF_SAMPLERATE: *data = g_variant_new_uint64(state->sample_rate); @@ -282,8 +271,7 @@ static int config_get(uint32_t key, GVariant **data, static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { - int ret, cg_type, idx; - unsigned int j; + int ret, cg_type, idx, j; char float_str[30]; struct dev_context *devc; const struct scope_config *model; @@ -320,17 +308,14 @@ static int config_set(uint32_t key, GVariant *data, return SR_ERR_CHANNEL_GROUP; if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(dlm_vdivs))) < 0) return SR_ERR_ARG; - for (j = 0; j < model->analog_channels; j++) { - if (cg != devc->analog_groups[j]) - continue; - state->analog_states[j].vdiv = idx; - g_ascii_formatd(float_str, sizeof(float_str), - "%E", (float) dlm_vdivs[idx][0] / dlm_vdivs[idx][1]); - if (dlm_analog_chan_vdiv_set(sdi->conn, j + 1, float_str) != SR_OK || - sr_scpi_get_opc(sdi->conn) != SR_OK) - return SR_ERR; - break; - } + if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + state->analog_states[j].vdiv = idx; + g_ascii_formatd(float_str, sizeof(float_str), + "%E", (float) dlm_vdivs[idx][0] / dlm_vdivs[idx][1]); + if (dlm_analog_chan_vdiv_set(sdi->conn, j + 1, float_str) != SR_OK || + sr_scpi_get_opc(sdi->conn) != SR_OK) + return SR_ERR; ret = SR_OK; break; case SR_CONF_TIMEBASE: @@ -370,15 +355,12 @@ static int config_set(uint32_t key, GVariant *data, return SR_ERR_CHANNEL_GROUP; if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0) return SR_ERR_ARG; - for (j = 0; j <= model->analog_channels; j++) { - if (cg != devc->analog_groups[j]) - continue; - state->analog_states[j].coupling = idx; - if (dlm_analog_chan_coupl_set(sdi->conn, j + 1, (*model->coupling_options)[idx]) != SR_OK || - sr_scpi_get_opc(sdi->conn) != SR_OK) - return SR_ERR; - break; - } + if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) + return SR_ERR_ARG; + state->analog_states[j].coupling = idx; + if (dlm_analog_chan_coupl_set(sdi->conn, j + 1, (*model->coupling_options)[idx]) != SR_OK || + sr_scpi_get_opc(sdi->conn) != SR_OK) + return SR_ERR; ret = SR_OK; break; default: diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h index 94056317..7bde2b1e 100644 --- a/src/libsigrok-internal.h +++ b/src/libsigrok-internal.h @@ -984,6 +984,8 @@ SR_PRIV int std_u64_tuple_idx(GVariant *data, const uint64_t a[][2], unsigned in SR_PRIV int std_double_tuple_idx(GVariant *data, const double a[][2], unsigned int n); SR_PRIV int std_double_tuple_idx_d0(const double d, const double a[][2], unsigned int n); +SR_PRIV int std_cg_idx(const struct sr_channel_group *cg, struct sr_channel_group *a[], unsigned int n); + /*--- resource.c ------------------------------------------------------------*/ SR_PRIV int64_t sr_file_get_size(FILE *file); diff --git a/src/std.c b/src/std.c index 7add7dd9..4219042e 100644 --- a/src/std.c +++ b/src/std.c @@ -828,3 +828,14 @@ SR_PRIV int std_double_tuple_idx_d0(const double d, const double a[][2], unsigne return -1; } + +SR_PRIV int std_cg_idx(const struct sr_channel_group *cg, struct sr_channel_group *a[], unsigned int n) +{ + unsigned int i; + + for (i = 0; i < n; i++) + if (cg == a[i]) + return i; + + return -1; +}