]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/yokogawa-dlm/protocol.c
Add sr_dev_acquisition_stop(), factor out SR_ERR_DEV_CLOSED check.
[libsigrok.git] / src / hardware / yokogawa-dlm / protocol.c
index 22ba0e3d1270004879b2d150661ae8215d86aeec..6955baaeec23bf2e11f894d7247d21880c3d3231 100644 (file)
@@ -207,8 +207,8 @@ static const struct scope_config scope_models[] = {
                .num_ydivs = 8,
        },
        {
-               .model_id    = {"710110",  "710120",  "710130",  NULL},
-               .model_name  = {"DLM2024", "DLM2034", "DLM2054", NULL},
+               .model_id   = {"710110",  "710120",  "710130",  NULL},
+               .model_name = {"DLM2024", "DLM2034", "DLM2054", NULL},
                .analog_channels = 4,
                .digital_channels = 8,
                .pods = 1,
@@ -224,9 +224,9 @@ static const struct scope_config scope_models[] = {
        },
        {
                .model_id   = {"701307", "701308",  "701310", "701311",
-                               "701312", "701313",  NULL},
+                              "701312", "701313",  NULL},
                .model_name = {"DL9040", "DL9040L", "DL9140", "DL9140L",
-                               "DL9240", "DL9240L", NULL},
+                              "DL9240", "DL9240L", NULL},
                .analog_channels = 4,
                .digital_channels = 0,
                .pods = 0,
@@ -305,7 +305,7 @@ static void scope_state_dump(const struct scope_config *config,
                                state->pod_states[i] ? "On" : "Off");
        }
 
-       tmp = sr_period_string(dlm_timebases[state->timebase][0] *
+       tmp = sr_period_string(dlm_timebases[state->timebase][0],
                        dlm_timebases[state->timebase][1]);
        sr_info("Current timebase: %s", tmp);
        g_free(tmp);
@@ -372,7 +372,8 @@ static int array_option_get(char *value, const char *(*array)[],
 static int array_float_get(gchar *value, const uint64_t array[][2],
                int array_len, int *result)
 {
-       int i;
+       int i, e;
+       size_t pos;
        uint64_t f;
        float s;
        unsigned int s_int;
@@ -381,28 +382,38 @@ static int array_float_get(gchar *value, const uint64_t array[][2],
        memset(ss, 0, sizeof(ss));
        memset(es, 0, sizeof(es));
 
-       strncpy(ss, value, 5);
-       strncpy(es, &(value[6]), 3);
+       /* Get index of the separating 'E' character and break up the string. */
+       pos = strcspn(value, "E");
+
+       strncpy(ss, value, pos);
+       strncpy(es, &(value[pos+1]), 3);
 
        if (sr_atof_ascii(ss, &s) != SR_OK)
                return SR_ERR;
-       if (sr_atoi(es, &i) != SR_OK)
+       if (sr_atoi(es, &e) != SR_OK)
                return SR_ERR;
 
        /* Transform e.g. 10^-03 to 1000 as the array stores the inverse. */
-       f = pow(10, abs(i));
+       f = pow(10, abs(e));
 
        /*
         * Adjust the significand/factor pair to make sure
         * that f is a multiple of 1000.
         */
-       while ((int)fmod(log10(f), 3) > 0) { s *= 10; f *= 10; }
+       while ((int)fmod(log10(f), 3) > 0) {
+               s *= 10;
+
+               if (e < 0)
+                       f *= 10;
+               else
+                       f /= 10;
+       }
 
        /* Truncate s to circumvent rounding errors. */
        s_int = (unsigned int)s;
 
        for (i = 0; i < array_len; i++) {
-               if ( (s_int == array[i][0]) && (f == array[i][1]) ) {
+               if ((s_int == array[i][0]) && (f == array[i][1])) {
                        *result = i;
                        return SR_OK;
                }
@@ -953,7 +964,10 @@ static int dlm_analog_samples_send(GArray *data,
        struct dev_context *devc;
        struct scope_state *model_state;
        struct sr_channel *ch;
-       struct sr_datafeed_analog_old analog;
+       struct sr_datafeed_analog analog;
+       struct sr_analog_encoding encoding;
+       struct sr_analog_meaning meaning;
+       struct sr_analog_spec spec;
        struct sr_datafeed_packet packet;
 
        devc = sdi->priv;
@@ -981,16 +995,18 @@ static int dlm_analog_samples_send(GArray *data,
                g_array_append_val(float_data, voltage);
        }
 
-       analog.channels = g_slist_append(NULL, ch);
+       /* TODO: Use proper 'digits' value for this device (and its modes). */
+       sr_analog_init(&analog, &encoding, &meaning, &spec, 2);
+       analog.meaning->channels = g_slist_append(NULL, ch);
        analog.num_samples = float_data->len;
        analog.data = (float*)float_data->data;
-       analog.mq = SR_MQ_VOLTAGE;
-       analog.unit = SR_UNIT_VOLT;
-       analog.mqflags = 0;
-       packet.type = SR_DF_ANALOG_OLD;
+       analog.meaning->mq = SR_MQ_VOLTAGE;
+       analog.meaning->unit = SR_UNIT_VOLT;
+       analog.meaning->mqflags = 0;
+       packet.type = SR_DF_ANALOG;
        packet.payload = &analog;
        sr_session_send(sdi, &packet);
-       g_slist_free(analog.channels);
+       g_slist_free(analog.meaning->channels);
 
        g_array_free(float_data, TRUE);
        g_array_remove_range(data, 0, samples * sizeof(uint8_t));
@@ -1155,7 +1171,7 @@ SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data)
                 * As of now we only support importing the current acquisition
                 * data so we're going to stop at this point.
                 */
-               sdi->driver->dev_acquisition_stop(sdi, cb_data);
+               sr_dev_acquisition_stop(sdi);
                return TRUE;
        } else
                devc->current_channel = devc->current_channel->next;