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allow devices without a plugin 

this is needed to support file loading: we want a device struct
so we can enumerate probes from the file, but there is no plugin
since the data come in from a device.
This commit is contained in:
Bert Vermeulen 2010-05-05 19:54:19 -07:00
parent e273a9040e
commit 873080cc03
2 changed files with 10 additions and 9 deletions
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17
device.c
View File

@ -29,7 +29,7 @@ void device_scan(void)
{ {
GSList *plugins, *l; GSList *plugins, *l;
struct device_plugin *plugin; struct device_plugin *plugin;
int num_devices, i; int num_devices, num_probes, i;
plugins = list_hwplugins(); plugins = list_hwplugins();
@ -42,8 +42,10 @@ void device_scan(void)
plugin = l->data; plugin = l->data;
g_message("initializing %s plugin", plugin->name); g_message("initializing %s plugin", plugin->name);
num_devices = plugin->init(NULL); num_devices = plugin->init(NULL);
for (i = 0; i < num_devices; i++) for (i = 0; i < num_devices; i++) {
device_new(plugin, i); num_probes = (int)plugin->get_device_info(i, DI_NUM_PROBES);
device_new(plugin, i, num_probes);
}
} }
} }
@ -53,7 +55,8 @@ void device_close_all(void)
while (devices) { while (devices) {
device = devices->data; device = devices->data;
device->plugin->close(device->plugin_index); if (device->plugin)
device->plugin->close(device->plugin_index);
device_destroy(device); device_destroy(device);
} }
} }
@ -63,10 +66,10 @@ GSList *device_list(void)
return devices; return devices;
} }
struct device *device_new(struct device_plugin *plugin, int plugin_index) struct device *device_new(struct device_plugin *plugin, int plugin_index, int num_probes)
{ {
struct device *device; struct device *device;
int num_probes, i; int i;
char probename[16]; char probename[16];
device = g_malloc0(sizeof(struct device)); device = g_malloc0(sizeof(struct device));
@ -74,8 +77,6 @@ struct device *device_new(struct device_plugin *plugin, int plugin_index)
device->plugin_index = plugin_index; device->plugin_index = plugin_index;
devices = g_slist_append(devices, device); devices = g_slist_append(devices, device);
num_probes = (int)device->plugin->get_device_info(device->plugin_index,
DI_NUM_PROBES);
for (i = 0; i < num_probes; i++) { for (i = 0; i < num_probes; i++) {
snprintf(probename, 16, "%d", i + 1); snprintf(probename, 16, "%d", i + 1);
device_probe_add(device, probename); device_probe_add(device, probename);

2
sigrok.h
View File

@ -222,7 +222,7 @@ extern GSList *devices;
void device_scan(void); void device_scan(void);
void device_close_all(void); void device_close_all(void);
GSList *device_list(void); GSList *device_list(void);
struct device *device_new(struct device_plugin *plugin, int plugin_index); struct device *device_new(struct device_plugin *plugin, int plugin_index, int num_probes);
void device_clear(struct device *device); void device_clear(struct device *device);
void device_destroy(struct device *dev); void device_destroy(struct device *dev);