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sm: fix Random Address generation when enabled before HCI is working

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This commit is contained in:
Matthias Ringwald 2016-11-08 15:13:36 +01:00
parent 804d3e67ed
commit 52b551c3a3
4 changed files with 12 additions and 4 deletions
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6
src/ble/sm.c
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@ -2890,13 +2890,17 @@ static void sm_event_packet_handler (uint8_t packet_type, uint16_t channel, uint
le_device_db_set_local_bd_addr(local_bd_addr);
dkg_state = sm_persistent_irk_ready ? DKG_CALC_DHK : DKG_CALC_IRK;
rau_state = RAU_IDLE;
#ifdef ENABLE_LE_SECURE_CONNECTIONS
if (!sm_have_ec_keypair){
setup->sm_passkey_bit = 0;
ec_key_generation_state = EC_KEY_GENERATION_ACTIVE;
}
#endif
// trigger Random Address generation if requested before
rau_state = RAU_IDLE;
if (gap_random_adress_type != GAP_RANDOM_ADDRESS_TYPE_OFF) {
gap_random_address_trigger();
}
sm_run();
}
break;

1
src/ble/sm.h
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@ -283,7 +283,6 @@ int sm_le_device_index(hci_con_handle_t con_handle );
/**
* @brief Set Elliptic Key Public/Private Keypair
* @note Creating a new key pair requires about 4600 bytes additional when used with MBEDTLS EC
* @note Using the same key for more than one device is not recommended.
* @param qx 32 bytes
* @param qy 32 bytes

6
src/hci.c
View File

@ -2026,6 +2026,7 @@ static void hci_state_reset(void){
// LE
hci_stack->adv_addr_type = 0;
hci_stack->le_advertisements_random_address_set = 0;
memset(hci_stack->adv_address, 0, 6);
hci_stack->le_scanning_state = LE_SCAN_IDLE;
hci_stack->le_scan_type = 0xff;
@ -2546,7 +2547,9 @@ static void hci_run(void){
hci_stack->le_scan_response_data);
return;
}
if (hci_stack->le_advertisements_todo & LE_ADVERTISEMENT_TASKS_ENABLE){
// Random address needs to be set before enabling advertisements
if ((hci_stack->le_advertisements_todo & LE_ADVERTISEMENT_TASKS_ENABLE)
&& (hci_stack->le_advertisements_own_address_type == 0 || hci_stack->le_advertisements_random_address_set)){
hci_stack->le_advertisements_todo &= ~LE_ADVERTISEMENT_TASKS_ENABLE;
hci_send_cmd(&hci_le_set_advertise_enable, 1);
return;
@ -2979,6 +2982,7 @@ int hci_send_cmd_packet(uint8_t *packet, int size){
hci_stack->adv_addr_type = packet[8];
}
if (IS_COMMAND(packet, hci_le_set_random_address)){
hci_stack->le_advertisements_random_address_set = 1;
reverse_bd_addr(&packet[3], hci_stack->adv_address);
}
if (IS_COMMAND(packet, hci_le_set_advertise_enable)){

1
src/hci.h
View File

@ -672,6 +672,7 @@ typedef struct {
uint8_t le_advertisements_active;
uint8_t le_advertisements_enabled;
uint8_t le_advertisements_todo;
uint8_t le_advertisements_random_address_set;
uint16_t le_advertisements_interval_min;
uint16_t le_advertisements_interval_max;