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Commit 8f403c57 authored by Chris Manton's avatar Chris Manton
Browse files

Add helpers to stack/include/bt_types::tBLE_BD_ADDR 

Towards readable code

Bug: 163134718
Tag: #refactor
Test: compile & verify basic functions working
Change-Id: I399924925467f2505836908e331ea24030789f8e
parent ac34ce45

system/stack/include/bt_types.h

+34 −0
Original line number Diff line number Diff line
@@ -758,9 +758,43 @@ typedef uint8_t tBLE_ADDR_TYPE; 
#define BLE_ADDR_TYPE_ID_BIT 0x02



#ifdef __cplusplus

constexpr uint8_t kBleAddressPublicDevice = BLE_ADDR_PUBLIC;

constexpr uint8_t kBleAddressRandomDevice = BLE_ADDR_RANDOM;

constexpr uint8_t kBleAddressIdentityBit = BLE_ADDR_TYPE_ID_BIT;

constexpr uint8_t kBleAddressPublicIdentity =

    kBleAddressIdentityBit | kBleAddressPublicDevice;

constexpr uint8_t kBleAddressRandomIdentity =

    kBleAddressIdentityBit | kBleAddressRandomDevice;



constexpr uint8_t kResolvableAddressMask = 0xc0;

constexpr uint8_t kResolvableAddressMsb = 0x40;



struct tBLE_BD_ADDR {

  tBLE_ADDR_TYPE type;

  RawAddress bda;

  bool AddressEquals(const RawAddress& other) const { return other == bda; }

  bool IsPublicDeviceType() const { return type == kBleAddressPublicDevice; }

  bool IsRandomDeviceType() const { return type == kBleAddressRandomDevice; }

  bool IsPublicIdentityType() const {

    return type == kBleAddressPublicIdentity;

  }

  bool lsRandomIdentityType() const {

    return type == kBleAddressRandomIdentity;

  }

  bool IsAddressResolvable() const {

    return ((bda.address)[0] & kResolvableAddressMask) == kResolvableAddressMsb;

  }

  bool IsPublic() const { return type & 0x01; }

  bool IsResolvablePrivateAddress() const {

    return IsAddressResolvable() && IsRandomDeviceType();

  }

  bool IsIdentityType() const {

    return IsPublicIdentityType() || lsRandomIdentityType();

  }

  bool TypeWithoutIdentityEquals(const tBLE_ADDR_TYPE other) const {

    return (other & ~kBleAddressIdentityBit) ==

           (type & ~kBleAddressIdentityBit);

  }

};

#endif