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serialize request to sm_central_device_lookup

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This commit is contained in:
matthias.ringwald 2014-06-12 15:42:51 +00:00
parent b161b44fed
commit 04b0940343
1 changed files with 21 additions and 2 deletions
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23
ble/sm.c
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@ -147,6 +147,12 @@ typedef enum {
CMAC_W4_MLAST
} cmac_state_t;
typedef enum {
CSRK_LOOKUP_IDLE,
CSRK_LOOKUP_W4_READY,
CSRK_LOOKUP_STARTED,
} csrk_lookup_state_t;
typedef enum {
JUST_WORKS,
PK_RESP_INPUT, // Initiator displays PK, initiator inputs PK
@ -240,6 +246,8 @@ static uint8_t sm_pairing_failed_reason = 0;
static int sm_key_distribution_send_set;
static int sm_key_distribution_received_set;
static csrk_lookup_state_t sm_m_csrk_lookup_state;
// user response
static uint8_t sm_user_response;
@ -776,6 +784,12 @@ static void sm_run(void){
sm_key_t plaintext;
// CSRK lookup
if (sm_m_csrk_lookup_state == CSRK_LOOKUP_W4_READY && !sm_central_device_lookup_active()){
sm_central_device_start_lookup(sm_m_addr_type, sm_m_address);
sm_m_csrk_lookup_state = CSRK_LOOKUP_STARTED;
}
// distributed key generation
switch (dkg_state){
case DKG_CALC_IRK:
@ -1399,8 +1413,13 @@ static void sm_event_packet_handler (uint8_t packet_type, uint16_t channel, uint
sm_state_responding = SM_STATE_SEND_SECURITY_REQUEST;
}
// try to lookup device
sm_central_device_start_lookup(sm_m_addr_type, sm_m_address);
sm_m_csrk_lookup_state = CSRK_LOOKUP_W4_READY;
if (!sm_central_device_lookup_active){
// try to lookup device
sm_central_device_start_lookup(sm_m_addr_type, sm_m_address);
sm_m_csrk_lookup_state = CSRK_LOOKUP_STARTED;
}
break;
case HCI_SUBEVENT_LE_LONG_TERM_KEY_REQUEST: