]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/yokogawa-dlm/protocol.c
output/csv: use intermediate time_t var, silence compiler warning
[libsigrok.git] / src / hardware / yokogawa-dlm / protocol.c
index 6955baaeec23bf2e11f894d7247d21880c3d3231..06dae50f7cd9a3979692371138df4ad8b91b3f0b 100644 (file)
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/**
- * @file
- *
- * <em>Yokogawa DL/DLM series</em> oscilloscope driver
- * @internal
- */
-
 #include <config.h>
 #include "scpi.h"
 #include "protocol.h"
 
-static const char *dlm_coupling_options[] = {
-       "AC",
-       "DC",
-       "DC50",
-       "GND",
-       NULL,
+static const char *coupling_options[] = {
+       "AC", "DC", "DC50", "GND",
 };
 
-static const char *dlm_2ch_trigger_sources[] = {
-       "1",
-       "2",
-       "LINE",
-       "EXT",
-       NULL,
+static const char *trigger_sources_2ch[] = {
+       "1", "2", "LINE", "EXT",
 };
 
 /* TODO: Is BITx handled correctly or is Dx required? */
-static const char *dlm_4ch_trigger_sources[] = {
-       "1",
-       "2",
-       "3",
-       "4",
-       "LINE",
-       "EXT",
-       "BIT1",
-       "BIT2",
-       "BIT3",
-       "BIT4",
-       "BIT5",
-       "BIT6",
-       "BIT7",
-       "BIT8",
-       NULL,
+static const char *trigger_sources_4ch[] = {
+       "1", "2", "3", "4",
+       "LINE", "EXT", "BIT1",
+       "BIT2", "BIT3", "BIT4", "BIT5", "BIT6", "BIT7", "BIT8",
 };
 
 /* Note: Values must correlate to the trigger_slopes values. */
-const char *dlm_trigger_slopes[3] = {
-       "r",
-       "f",
-       NULL,
+const char *dlm_trigger_slopes[2] = {
+       "r", "f",
 };
 
 const uint64_t dlm_timebases[36][2] = {
@@ -137,56 +108,18 @@ const uint64_t dlm_vdivs[17][2] = {
 };
 
 static const char *scope_analog_channel_names[] = {
-       "1",
-       "2",
-       "3",
-       "4",
+       "1", "2", "3", "4",
 };
 
 static const char *scope_digital_channel_names_8[] = {
-       "D0",
-       "D1",
-       "D2",
-       "D3",
-       "D4",
-       "D5",
-       "D6",
-       "D7",
+       "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
 };
 
 static const char *scope_digital_channel_names_32[] = {
-       "A0",
-       "A1",
-       "A2",
-       "A3",
-       "A4",
-       "A5",
-       "A6",
-       "A7",
-       "B0",
-       "B1",
-       "B2",
-       "B3",
-       "B4",
-       "B5",
-       "B6",
-       "B7",
-       "C0",
-       "C1",
-       "C2",
-       "C3",
-       "C4",
-       "C5",
-       "C6",
-       "C7",
-       "D0",
-       "D1",
-       "D2",
-       "D3",
-       "D4",
-       "D5",
-       "D6",
-       "D7",
+       "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
+       "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
+       "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7",
+       "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
 };
 
 static const struct scope_config scope_models[] = {
@@ -200,8 +133,11 @@ static const struct scope_config scope_models[] = {
                .analog_names = &scope_analog_channel_names,
                .digital_names = &scope_digital_channel_names_8,
 
-               .coupling_options = &dlm_coupling_options,
-               .trigger_sources = &dlm_2ch_trigger_sources,
+               .coupling_options = &coupling_options,
+               .num_coupling_options = ARRAY_SIZE(coupling_options),
+
+               .trigger_sources = &trigger_sources_2ch,
+               .num_trigger_sources = ARRAY_SIZE(trigger_sources_2ch),
 
                .num_xdivs = 10,
                .num_ydivs = 8,
@@ -216,8 +152,11 @@ static const struct scope_config scope_models[] = {
                .analog_names = &scope_analog_channel_names,
                .digital_names = &scope_digital_channel_names_8,
 
-               .coupling_options = &dlm_coupling_options,
-               .trigger_sources = &dlm_4ch_trigger_sources,
+               .coupling_options = &coupling_options,
+               .num_coupling_options = ARRAY_SIZE(coupling_options),
+
+               .trigger_sources = &trigger_sources_4ch,
+               .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
 
                .num_xdivs = 10,
                .num_ydivs = 8,
@@ -234,8 +173,11 @@ static const struct scope_config scope_models[] = {
                .analog_names = &scope_analog_channel_names,
                .digital_names = NULL,
 
-               .coupling_options = &dlm_coupling_options,
-               .trigger_sources = &dlm_4ch_trigger_sources,
+               .coupling_options = &coupling_options,
+               .num_coupling_options = ARRAY_SIZE(coupling_options),
+
+               .trigger_sources = &trigger_sources_4ch,
+               .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
 
                .num_xdivs = 10,
                .num_ydivs = 8,
@@ -250,8 +192,11 @@ static const struct scope_config scope_models[] = {
                .analog_names = &scope_analog_channel_names,
                .digital_names = &scope_digital_channel_names_32,
 
-               .coupling_options = &dlm_coupling_options,
-               .trigger_sources = &dlm_4ch_trigger_sources,
+               .coupling_options = &coupling_options,
+               .num_coupling_options = ARRAY_SIZE(coupling_options),
+
+               .trigger_sources = &trigger_sources_4ch,
+               .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
 
                .num_xdivs = 10,
                .num_ydivs = 8,
@@ -266,8 +211,11 @@ static const struct scope_config scope_models[] = {
                .analog_names = &scope_analog_channel_names,
                .digital_names = &scope_digital_channel_names_32,
 
-               .coupling_options = &dlm_coupling_options,
-               .trigger_sources = &dlm_4ch_trigger_sources,
+               .coupling_options = &coupling_options,
+               .num_coupling_options = ARRAY_SIZE(coupling_options),
+
+               .trigger_sources = &trigger_sources_4ch,
+               .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
 
                .num_xdivs = 10,
                .num_ydivs = 8,
@@ -334,13 +282,13 @@ static void scope_state_dump(const struct scope_config *config,
  * @return SR_ERR when value couldn't be found, SR_OK otherwise.
  */
 static int array_option_get(char *value, const char *(*array)[],
-               int *result)
+               unsigned int n, int *result)
 {
        unsigned int i;
 
        *result = -1;
 
-       for (i = 0; (*array)[i]; i++)
+       for (i = 0; i < n; i++)
                if (!g_strcmp0(value, (*array)[i])) {
                        *result = i;
                        break;
@@ -461,7 +409,7 @@ static int analog_channel_state_get(const struct sr_dev_inst *sdi,
                if (dlm_analog_chan_vdiv_get(scpi, i + 1, &response) != SR_OK)
                        return SR_ERR;
 
-               if (array_float_get(response, dlm_vdivs, ARRAY_SIZE(dlm_vdivs),
+               if (array_float_get(response, ARRAY_AND_SIZE(dlm_vdivs),
                                &j) != SR_OK) {
                        g_free(response);
                        return SR_ERR;
@@ -488,6 +436,7 @@ static int analog_channel_state_get(const struct sr_dev_inst *sdi,
                }
 
                if (array_option_get(response, config->coupling_options,
+                               config->num_coupling_options,
                                &state->analog_states[i].coupling) != SR_OK) {
                        g_free(response);
                        return SR_ERR;
@@ -699,8 +648,7 @@ SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi)
        if (dlm_timebase_get(sdi->conn, &response) != SR_OK)
                return SR_ERR;
 
-       if (array_float_get(response, dlm_timebases,
-                       ARRAY_SIZE(dlm_timebases), &i) != SR_OK) {
+       if (array_float_get(response, ARRAY_AND_SIZE(dlm_timebases), &i) != SR_OK) {
                g_free(response);
                return SR_ERR;
        }
@@ -724,7 +672,7 @@ SR_PRIV int dlm_scope_state_query(struct sr_dev_inst *sdi)
        }
 
        if (array_option_get(response, config->trigger_sources,
-                       &state->trigger_source) != SR_OK) {
+                       config->num_trigger_sources, &state->trigger_source) != SR_OK) {
                g_free(response);
                return SR_ERR;
        }
@@ -821,7 +769,6 @@ SR_PRIV int dlm_model_get(char *model_id, char **model_name, int *model_index)
  */
 SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index)
 {
-       char tmp[25];
        int i;
        struct sr_channel *ch;
        struct dev_context *devc;
@@ -830,36 +777,30 @@ SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index)
 
        devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
                        scope_models[model_index].analog_channels);
-
        devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
                        scope_models[model_index].pods);
+       if (!devc->analog_groups || !devc->digital_groups) {
+               g_free(devc->analog_groups);
+               g_free(devc->digital_groups);
+               return SR_ERR_MALLOC;
+       }
 
        /* Add analog channels, each in its own group. */
        for (i = 0; i < scope_models[model_index].analog_channels; i++) {
                ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
                                (*scope_models[model_index].analog_names)[i]);
 
-               devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
-
-               devc->analog_groups[i]->name = g_strdup(
-                               (char *)(*scope_models[model_index].analog_names)[i]);
+               devc->analog_groups[i] = sr_channel_group_new(sdi,
+                       (*scope_models[model_index].analog_names)[i], NULL);
                devc->analog_groups[i]->channels = g_slist_append(NULL, ch);
-
-               sdi->channel_groups = g_slist_append(sdi->channel_groups,
-                               devc->analog_groups[i]);
        }
 
        /* Add digital channel groups. */
        for (i = 0; i < scope_models[model_index].pods; i++) {
-               g_snprintf(tmp, sizeof(tmp), "POD%d", i);
-
-               devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
+               devc->digital_groups[i] = sr_channel_group_new(sdi, NULL, NULL);
                if (!devc->digital_groups[i])
                        return SR_ERR_MALLOC;
-
-               devc->digital_groups[i]->name = g_strdup(tmp);
-               sdi->channel_groups = g_slist_append(sdi->channel_groups,
-                               devc->digital_groups[i]);
+               devc->digital_groups[i]->name = g_strdup_printf("POD%d", i);
        }
 
        /* Add digital channels. */
@@ -1070,7 +1011,6 @@ SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data)
        struct scope_state *model_state;
        struct dev_context *devc;
        struct sr_channel *ch;
-       struct sr_datafeed_packet packet;
        int chunk_len, num_bytes;
        static GArray *data = NULL;
 
@@ -1117,10 +1057,8 @@ SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data)
        devc->data_pending = FALSE;
 
        /* Signal the beginning of a new frame if this is the first channel. */
-       if (devc->current_channel == devc->enabled_channels) {
-               packet.type = SR_DF_FRAME_BEGIN;
-               sr_session_send(sdi, &packet);
-       }
+       if (devc->current_channel == devc->enabled_channels)
+               std_session_send_df_frame_begin(sdi);
 
        if (dlm_block_data_header_process(data, &num_bytes) != SR_OK) {
                sr_err("Encountered malformed block data header.");
@@ -1163,8 +1101,7 @@ SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data)
         * and set the next enabled channel. Then, request its data.
         */
        if (!devc->current_channel->next) {
-               packet.type = SR_DF_FRAME_END;
-               sr_session_send(sdi, &packet);
+               std_session_send_df_frame_end(sdi);
                devc->current_channel = devc->enabled_channels;
 
                /*