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Add hci utility function to change LE connection parameters

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This commit is contained in:
Claudio Takahasi 2011-02-22 18:42:06 -03:00 committed by Johan Hedberg
parent 8e7af67a19
commit 5edfc482ca
2 changed files with 41 additions and 0 deletions
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37
lib/hci.c
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@ -2767,3 +2767,40 @@ int hci_le_create_conn(int dd, uint16_t interval, uint16_t window,
return 0;
}
int hci_le_conn_update(int dd, uint16_t handle, uint16_t min_interval,
uint16_t max_interval, uint16_t latency,
uint16_t supervision_timeout, int to)
{
evt_le_connection_update_complete evt;
le_connection_update_cp cp;
struct hci_request rq;
memset(&cp, 0, sizeof(cp));
cp.handle = handle;
cp.min_interval = min_interval;
cp.max_interval = max_interval;
cp.latency = latency;
cp.supervision_timeout = supervision_timeout;
cp.min_ce_length = htobs(0x0001);
cp.max_ce_length = htobs(0x0001);
memset(&rq, 0, sizeof(rq));
rq.ogf = OGF_LE_CTL;
rq.ocf = OCF_LE_CONN_UPDATE;
rq.cparam = &cp;
rq.clen = LE_CONN_UPDATE_CP_SIZE;
rq.event = EVT_LE_CONN_UPDATE_COMPLETE;
rq.rparam = &evt;
rq.rlen = sizeof(evt);
if (hci_send_req(dd, &rq, to) < 0)
return -1;
if (evt.status) {
errno = EIO;
return -1;
}
return 0;
}

4
lib/hci_lib.h
View File

@ -128,6 +128,10 @@ int hci_le_create_conn(int dd, uint16_t interval, uint16_t window,
uint16_t min_ce_length, uint16_t max_ce_length,
uint16_t *handle, int to);
int hci_le_conn_update(int dd, uint16_t handle, uint16_t min_interval,
uint16_t max_interval, uint16_t latency,
uint16_t supervision_timeout, int to);
int hci_for_each_dev(int flag, int(*func)(int dd, int dev_id, long arg), long arg);
int hci_get_route(bdaddr_t *bdaddr);