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Add sr_device_get_info

This commit is contained in:
Anatoly Sokolov 2012-01-29 16:56:06 +04:00 committed by Bert Vermeulen
parent bf43ea2317
commit fd9836bfab
2 changed files with 31 additions and 0 deletions
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29
device.c
View File

@ -481,3 +481,32 @@ gboolean sr_device_has_hwcap(const struct sr_device *device, int hwcap)
return FALSE;
}
/**
* Returns information about the given device.
*
* @param device Pointer to the device to be checked. Must not be NULL.
* The device's 'plugin' field must not be NULL either.
* @param id The type of information.
* @param data The return value. Must not be NULL.
*
* @return SR_OK upon success, SR_ERR_ARG upon invalid arguments, or SR_ERR
* upon other errors.
*/
int sr_device_get_info(const struct sr_device *device, int id,
const void **data)
{
if ((device == NULL) || (device->plugin == NULL))
return SR_ERR_ARG;
if (data == NULL)
return SR_ERR_ARG;
*data = device->plugin->get_device_info(device->plugin_index, id);
if (*data == NULL)
return SR_ERR;
return SR_OK;
}

2
sigrok-proto.h
View File

@ -54,6 +54,8 @@ int sr_device_trigger_clear(struct sr_device *device);
int sr_device_trigger_set(struct sr_device *device, int probenum,
const char *trigger);
gboolean sr_device_has_hwcap(const struct sr_device *device, int hwcap);
int sr_device_get_info(const struct sr_device *device, int id,
const void **data);
/*--- filter.c --------------------------------------------------------------*/