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minimal api to get uuid for handle

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This commit is contained in:
matthias.ringwald@gmail.com 2014-02-02 20:59:26 +00:00
parent 98fbd9a22e
commit 4eaba47858
2 changed files with 14 additions and 0 deletions
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11
ble/att.c
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@ -168,6 +168,7 @@ int att_iterator_match_uuid(att_iterator_t *it, uint8_t *uuid, uint16_t uuid_len
int att_find_handle(att_iterator_t *it, uint16_t handle){
if (handle == 0) return 0;
att_iterator_init(it);
while (att_iterator_has_next(it)){
att_iterator_fetch_next(it);
@ -177,6 +178,16 @@ int att_find_handle(att_iterator_t *it, uint16_t handle){
return 0;
}
// experimental client API
uint16_t att_uuid_for_handle(uint16_t handle){
att_iterator_t it;
int ok = att_find_handle(&it, handle);
if (!ok) return 0;
if (it.flags & ATT_PROPERTY_UUID128) return 0;
return READ_BT_16(it.uuid, 0);
}
// end of client API
static void att_update_value_len(att_iterator_t *it){
if ((it->flags & ATT_PROPERTY_DYNAMIC) == 0 || !att_read_callback) return;
it->value_len = (*att_read_callback)(it->handle, 0, NULL, 0);

3
ble/att.h
View File

@ -229,6 +229,9 @@ uint16_t att_prepare_handle_value_indication(att_connection_t * att_connection,
*/
void att_clear_transaction_queue();
// experimental client API
uint16_t att_uuid_for_handle(uint16_t handle);
#if defined __cplusplus
}
#endif