static const uint32_t scanopts[] = {
SR_CONF_CONN,
SR_CONF_SERIALCOMM,
+ SR_CONF_FORCE_DETECT,
};
static const uint32_t drvopts[] = {
};
static const uint32_t devopts[] = {
+ SR_CONF_CONN | SR_CONF_GET,
SR_CONF_CONTINUOUS,
SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
"RND 320-KA3005P V5.5", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
{RND_320K30PV, "RND", "KA3005P",
"RND 320-KA3005P V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
+ {TENMA_72_2550_V2, "Tenma", "72-2550",
+ "TENMA72-2550V2.0", 1, {0, 61, 0.01}, {0, 3.1, 0.001}},
{TENMA_72_2540_V20, "Tenma", "72-2540",
"TENMA72-2540V2.0", 1, {0, 31, 0.01}, {0, 5.1, 0.001}},
{TENMA_72_2540_V21, "Tenma", "72-2540",
static GSList *scan(struct sr_dev_driver *di, GSList *options)
{
+ static const char *serno_prefix = " SN:";
+
struct dev_context *devc;
GSList *l;
struct sr_dev_inst *sdi;
struct sr_config *src;
const char *conn, *serialcomm;
+ const char *force_detect;
struct sr_serial_dev_inst *serial;
char reply[50];
- int i, model_id;
- unsigned int len;
+ int ret, i, model_id;
+ size_t len;
+ char *serno;
conn = NULL;
serialcomm = NULL;
+ force_detect = NULL;
for (l = options; l; l = l->next) {
src = l->data;
case SR_CONF_SERIALCOMM:
serialcomm = g_variant_get_string(src->data, NULL);
break;
+ case SR_CONF_FORCE_DETECT:
+ force_detect = g_variant_get_string(src->data, NULL);
+ break;
default:
sr_err("Unknown option %d, skipping.", src->key);
break;
return NULL;
if (!serialcomm)
serialcomm = "9600/8n1";
+ if (force_detect && !*force_detect)
+ force_detect = NULL;
serial = sr_serial_dev_inst_new(conn, serialcomm);
if (serial_open(serial, SERIAL_RDWR) != SR_OK)
return NULL;
- serial_flush(serial);
-
- /* Get the device model. */
+ /*
+ * Prepare a receive buffer for the identification response that
+ * is large enough to hold the longest known model name, and an
+ * optional serial number. Communicate the identification request.
+ */
len = 0;
for (i = 0; models[i].id; i++) {
- if (strlen(models[i].id) > len)
+ if (len < strlen(models[i].id))
len = strlen(models[i].id);
}
+ len += strlen(serno_prefix) + 12;
+ if (len > sizeof(reply) - 1)
+ len = sizeof(reply) - 1;
+ sr_dbg("Want max %zu bytes.", len);
- /*
- * Some models also include the serial number:
- * RND 320-KD3005P V4.2 SN:59834414
- */
- len += 12;
-
- memset(&reply, 0, sizeof(reply));
- sr_dbg("Want max %d bytes.", len);
- if ((korad_kaxxxxp_send_cmd(serial, "*IDN?") < 0))
+ ret = korad_kaxxxxp_send_cmd(serial, "*IDN?");
+ if (ret < 0)
return NULL;
- /* i is used here for debug purposes only. */
- if ((i = korad_kaxxxxp_read_chars(serial, len, reply)) < 0)
+ ret = korad_kaxxxxp_read_chars(serial, len, reply);
+ if (ret < 0)
return NULL;
- sr_dbg("Received: %d, %s", i, reply);
- model_id = -1;
+ sr_dbg("Received: %d, %s", ret, reply);
- /* Truncate before serial number. */
- char *sn = g_strrstr(reply, " SN:");
- if (sn)
- *sn = '\0';
+ /*
+ * Isolate the optional serial number at the response's end.
+ * Lookup the response's model ID in the list of known models.
+ */
+ serno = g_strrstr(reply, serno_prefix);
+ if (serno) {
+ *serno = '\0';
+ serno += strlen(serno_prefix);
+ }
+ model_id = -1;
for (i = 0; models[i].id; i++) {
- if (!g_strcmp0(models[i].id, reply))
+ if (g_strcmp0(models[i].id, reply) != 0)
+ continue;
+ model_id = i;
+ break;
+ }
+ if (model_id < 0 && force_detect) {
+ sr_warn("Found model ID '%s' is unknown, trying '%s' spec.",
+ reply, force_detect);
+ for (i = 0; models[i].id; i++) {
+ if (strcmp(models[i].id, force_detect) != 0)
+ continue;
+ sr_info("Found replacement, using it instead.");
model_id = i;
+ break;
+ }
}
if (model_id < 0) {
sr_err("Unknown model ID '%s' detected, aborting.", reply);
sdi->status = SR_ST_INACTIVE;
sdi->vendor = g_strdup(models[model_id].vendor);
sdi->model = g_strdup(models[model_id].name);
+ if (serno)
+ sdi->serial_num = g_strdup(serno);
sdi->inst_type = SR_INST_SERIAL;
sdi->conn = serial;
+ sdi->connection_id = g_strdup(conn);
sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
case SR_CONF_LIMIT_SAMPLES:
case SR_CONF_LIMIT_MSEC:
return sr_sw_limits_config_get(&devc->limits, key, data);
+ case SR_CONF_CONN:
+ *data = g_variant_new_string(sdi->connection_id);
+ break;
case SR_CONF_VOLTAGE:
korad_kaxxxxp_get_value(sdi->conn, KAXXXXP_VOLTAGE, devc);
*data = g_variant_new_double(devc->voltage);