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gap: add gap_inquiry_lap to allow for limited inquiry

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This commit is contained in:
Matthias Ringwald 2021-05-07 23:32:32 +02:00
parent 59c9672f30
commit 496bb88446
3 changed files with 16 additions and 3 deletions
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6
src/gap.h
View File

@ -688,6 +688,12 @@ int gap_inquiry_start(uint8_t duration_in_1280ms_units);
*/
int gap_inquiry_stop(void);
/**
* @brief Set LAP for GAP Classic Inquiry
* @param lap GAP_IAC_GENERAL_INQUIRY (default), GAP_IAC_LIMITED_INQUIRY
*/
void gap_inquiry_set_lap(uint32_t lap);
/**
* @brief Remote Name Request
* @param addr

11
src/hci.c
View File

@ -3131,10 +3131,11 @@ static void hci_state_reset(void){
hci_stack->secure_connections_active = false;
#ifdef ENABLE_CLASSIC
#ifdef ENABLE_CLASSIC
hci_stack->new_page_scan_interval = 0xffff;
hci_stack->new_page_scan_window = 0xffff;
hci_stack->new_page_scan_type = 0xff;
hci_stack->inquiry_lap = GAP_IAC_GENERAL_INQUIRY;
#endif
#ifdef ENABLE_CLASSIC_PAIRING_OOB
@ -3828,7 +3829,7 @@ static bool hci_run_general_gap_classic(void){
if ((hci_stack->inquiry_state >= GAP_INQUIRY_DURATION_MIN) && (hci_stack->inquiry_state <= GAP_INQUIRY_DURATION_MAX)){
uint8_t duration = hci_stack->inquiry_state;
hci_stack->inquiry_state = GAP_INQUIRY_STATE_W4_ACTIVE;
hci_send_cmd(&hci_inquiry, GAP_IAC_GENERAL_INQUIRY, duration, 0);
hci_send_cmd(&hci_inquiry, hci_stack->inquiry_lap, duration, 0);
return true;
}
if (hci_stack->inquiry_state == GAP_INQUIRY_STATE_W2_CANCEL){
@ -5989,7 +5990,11 @@ int gap_inquiry_stop(void){
hci_stack->inquiry_state = GAP_INQUIRY_STATE_W2_CANCEL;
hci_run();
return 0;
}
}
void gap_inquiry_set_lap(uint32_t lap){
hci_stack->inquiry_lap = lap;
}
/**

2
src/hci.h
View File

@ -853,6 +853,8 @@ typedef struct {
uint8_t gap_required_encyrption_key_size;
uint16_t link_supervision_timeout;
gap_security_level_t gap_security_level;
uint32_t inquiry_lap; // GAP_IAC_GENERAL_INQUIRY or GAP_IAC_LIMITED_INQUIRY
#endif
// single buffer for HCI packet assembly + additional prebuffer for H4 drivers