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Commit d1622b56 authored by Chris Manton's avatar Chris Manton
Browse files

Add API stack/acl/btm_acl::acl_create_classic_connection 

Bug: 163134718
Tag: #refactor
Test: compile & verify basic functions working
Change-Id: Ibc685b5d4b456dcd6690501606a205420b2e6b40
parent 0e735040

system/stack/acl/btm_acl.cc

+38 −0
Original line number Diff line number Diff line
@@ -2833,3 +2833,41 @@ void btm_acl_connected(const RawAddress& bda, uint16_t handle, uint8_t status, 
  btm_acl_set_paging(false);

  l2c_link_hci_conn_comp(status, handle, bda);

}



constexpr uint16_t kDefaultPacketTypes =

    HCI_PKT_TYPES_MASK_DM1 | HCI_PKT_TYPES_MASK_DH1 | HCI_PKT_TYPES_MASK_DM3 |

    HCI_PKT_TYPES_MASK_DH3 | HCI_PKT_TYPES_MASK_DM5 | HCI_PKT_TYPES_MASK_DH5;



void acl_create_classic_connection(const RawAddress& bd_addr,

                                   bool there_are_high_priority_channels,

                                   bool is_bonding) {

  const bool controller_supports_role_switch =

      controller_get_interface()->supports_role_switch();

  const bool acl_allows_role_switch = acl_is_role_switch_allowed();



  /* FW team says that we can participant in 4 piconets

   * typically 3 piconet + 1 for scanning.

   * We can enhance the code to count the number of piconets later. */

  uint8_t allow_role_switch = HCI_CR_CONN_NOT_ALLOW_SWITCH;

  if (((acl_allows_role_switch && (BTM_GetNumAclLinks() < 3)) ||

       (is_bonding && !there_are_high_priority_channels &&

        controller_supports_role_switch)))

    allow_role_switch = HCI_CR_CONN_ALLOW_SWITCH;



  /* Check with the BT manager if details about remote device are known */

  uint8_t page_scan_rep_mode{HCI_PAGE_SCAN_REP_MODE_R1};

  uint8_t page_scan_mode{HCI_MANDATARY_PAGE_SCAN_MODE};

  uint16_t clock_offset = BTM_GetClockOffset(bd_addr);



  tBTM_INQ_INFO* p_inq_info = BTM_InqDbRead(bd_addr);

  if (p_inq_info != nullptr &&

      (p_inq_info->results.inq_result_type & BTM_INQ_RESULT_BR)) {

    page_scan_rep_mode = p_inq_info->results.page_scan_rep_mode;

    page_scan_mode = p_inq_info->results.page_scan_mode;

    clock_offset = p_inq_info->results.clock_offset;

  }



  btsnd_hcic_create_conn(bd_addr, kDefaultPacketTypes, page_scan_rep_mode,

                         page_scan_mode, clock_offset, allow_role_switch);

  btm_acl_set_paging(true);

}

system/stack/include/acl_api.h

+4 −0
Original line number Diff line number Diff line
@@ -342,3 +342,7 @@ void btm_acl_update_conn_addr(uint16_t conn_handle, const RawAddress& address); 
 *

 ******************************************************************************/

bool BTM_ReadPowerMode(const RawAddress& remote_bda, tBTM_PM_MODE* p_mode);



void acl_create_classic_connection(const RawAddress& bd_addr,

                                   bool there_are_high_priority_channels,

                                   bool is_bonding);