+               #define SDP_ATTRIBUTE_NAME                      0x0000\r
+               #define SDP_ATTRIBUTE_DESCRIPTION               0x0001\r
+               #define SDP_ATTRIBUTE_PROVIDER                  0x0002\r
+               #define SDP_ATTRIBUTE_AVAILABILITY              0x0008\r
+               \r
+               #define SDP_DATATYPE_NIL                        (0x00 << 3)\r
+               #define SDP_DATATYPE_UNSIGNED_INT               (0x01 << 3)\r
+               #define SDP_DATATYPE_SIGNED_INT                 (0x02 << 3)\r
+               #define SDP_DATATYPE_UUID                       (0x03 << 3)\r
+               #define SDP_DATATYPE_TEXT                       (0x04 << 3)\r
+               #define SDP_DATATYPE_BOOLEAN                    (0x05 << 3)\r
+               #define SDP_DATATYPE_ELEMENT_SEQUENCE           (0x06 << 3)\r
+               #define SDP_DATATYPE_ELEMENT_ALTERNATIVE        (0x07 << 3)\r
+               #define SDP_DATATYPE_URL                        (0x08 << 3)\r
+               \r
+               #define BASE_96BIT_UUID                         0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00\r
+               \r
+               #define SERVICE_ATTRIBUTE_TEXT(name, string)    SERVICE_ATTRIBUTE_8BIT_LEN(name, SDP_DATATYPE_TEXT, sizeof(string), string)\r
+               #define SERVICE_ATTRIBUTE_8BIT_LEN(name, type, size, ...)  const ServiceAttributeData8Bit_t  name PROGMEM = \\r
+                                                               {.Header = (type | 5), .Size = size, .Data = __VA_ARGS__}\r
+               #define SERVICE_ATTRIBUTE_16BIT_LEN(name, type, size, ...) const ServiceAttributeData16Bit_t name PROGMEM = \\r
+                                                               {.Header = (type | 5), .Size = size, .Data = __VA_ARGS__}\r
+               #define SERVICE_ATTRIBUTE_32BIT_LEN(name, type, size, ...) const ServiceAttributeData32Bit_t name PROGMEM = \\r
+                                                               {.Header = (type | 5), .Size = size, .Data = __VA_ARGS__}\r
+               #define SERVICE_ATTRIBUTE_TABLE_TERMINATOR      {.AttributeData = NULL}\r
+\r