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rigol-ds1xx2: More selective Rigol DS1xx2 scan 

Patch submitted by Martin Ling.
This commit is contained in:
Bert Vermeulen 2013-01-13 22:42:21 +01:00
parent 5635705c83
commit 512bb890df
1 changed files with 39 additions and 3 deletions
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42
hardware/rigol-ds1xx2/api.c
View File

@ -117,6 +117,13 @@ static const char *coupling[] = {
NULL,
};
static const char *supported_models[] = {
"DS1052E",
"DS1102E",
"DS1052D",
"DS1102D"
};
SR_PRIV struct sr_dev_driver rigol_ds1xx2_driver_info;
static struct sr_dev_driver *di = &rigol_ds1xx2_driver_info;
@ -180,6 +187,9 @@ static GSList *hw_scan(GSList *options)
int len, num_tokens, fd, i;
const gchar *delimiter = ",";
gchar **tokens;
const char *manufacturer, *model, *version;
int num_models;
gboolean matched = FALSE;
char buf[256];
(void)options;
@ -211,16 +221,42 @@ static GSList *hw_scan(GSList *options)
buf[len] = 0;
tokens = g_strsplit(buf, delimiter, 0);
close(fd);
sr_dbg("response: %s %d [%s]", device, len, buf);
for (num_tokens = 0; tokens[num_tokens] != NULL; num_tokens++);
if (!(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, tokens[0],
num_tokens > 1 ? tokens[1] : NULL,
num_tokens > 3 ? tokens[3] : NULL))) {
if (num_tokens < 4) {
g_strfreev(tokens);
g_free(device);
return NULL;
}
manufacturer = tokens[0];
model = tokens[1];
version = tokens[3];
if (strcmp(manufacturer, "Rigol Technologies")) {
g_strfreev(tokens);
g_free(device);
return NULL;
}
num_models = sizeof(supported_models) / sizeof(supported_models[0]);
for (i = 0; i < num_models; i++) {
if (!strcmp(model, supported_models[i])) {
matched = 1;
break;
}
}
if (!matched || !(sdi = sr_dev_inst_new(0, SR_ST_ACTIVE,
manufacturer, model, version))) {
g_strfreev(tokens);
g_free(device);
return NULL;
}
g_strfreev(tokens);
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {