1 /** @file 2 * @brief Internal APIs for Bluetooth Hearing Access Profile. 3 */ 4 5 /* 6 * Copyright (c) 2022 Codecoup 7 * 8 * SPDX-License-Identifier: Apache-2.0 9 */ 10 11 /* Control Point opcodes */ 12 #define BT_HAS_OP_READ_PRESET_REQ 0x01 13 #define BT_HAS_OP_READ_PRESET_RSP 0x02 14 #define BT_HAS_OP_PRESET_CHANGED 0x03 15 #define BT_HAS_OP_WRITE_PRESET_NAME 0x04 16 #define BT_HAS_OP_SET_ACTIVE_PRESET 0x05 17 #define BT_HAS_OP_SET_NEXT_PRESET 0x06 18 #define BT_HAS_OP_SET_PREV_PRESET 0x07 19 #define BT_HAS_OP_SET_ACTIVE_PRESET_SYNC 0x08 20 #define BT_HAS_OP_SET_NEXT_PRESET_SYNC 0x09 21 #define BT_HAS_OP_SET_PREV_PRESET_SYNC 0x0a 22 23 /* Application error codes */ 24 #define BT_HAS_ERR_INVALID_OPCODE 0x80 25 #define BT_HAS_ERR_WRITE_NAME_NOT_ALLOWED 0x81 26 #define BT_HAS_ERR_PRESET_SYNC_NOT_SUPP 0x82 27 #define BT_HAS_ERR_OPERATION_NOT_POSSIBLE 0x83 28 #define BT_HAS_ERR_INVALID_PARAM_LEN 0x84 29 30 /* Hearing Aid Feature bits */ 31 #define BT_HAS_FEAT_HEARING_AID_TYPE_LSB BIT(0) 32 #define BT_HAS_FEAT_HEARING_AID_TYPE_MSB BIT(1) 33 #define BT_HAS_FEAT_PRESET_SYNC_SUPP BIT(2) 34 #define BT_HAS_FEAT_INDEPENDENT_PRESETS BIT(3) 35 #define BT_HAS_FEAT_DYNAMIC_PRESETS BIT(4) 36 #define BT_HAS_FEAT_WRITABLE_PRESETS_SUPP BIT(5) 37 38 #define BT_HAS_FEAT_HEARING_AID_TYPE_MASK (BT_HAS_FEAT_HEARING_AID_TYPE_LSB | \ 39 BT_HAS_FEAT_HEARING_AID_TYPE_MSB) 40 41 /* Preset Changed Change ID values */ 42 #define BT_HAS_CHANGE_ID_GENERIC_UPDATE 0x00 43 #define BT_HAS_CHANGE_ID_PRESET_DELETED 0x01 44 #define BT_HAS_CHANGE_ID_PRESET_AVAILABLE 0x02 45 #define BT_HAS_CHANGE_ID_PRESET_UNAVAILABLE 0x03 46 47 #define BT_HAS_IS_LAST 0x01 48 49 struct bt_has { 50 /** Hearing Aid Features value */ 51 uint8_t features; 52 53 /** Active preset index value */ 54 uint8_t active_index; 55 56 /* Whether the service has been registered or not */ 57 bool registered; 58 }; 59 60 struct bt_has_cp_hdr { 61 uint8_t opcode; 62 uint8_t data[0]; 63 } __packed; 64 65 struct bt_has_cp_read_presets_req { 66 uint8_t start_index; 67 uint8_t num_presets; 68 } __packed; 69 70 struct bt_has_cp_read_preset_rsp { 71 uint8_t is_last; 72 uint8_t index; 73 uint8_t properties; 74 uint8_t name[0]; 75 } __packed; 76 77 struct bt_has_cp_preset_changed { 78 uint8_t change_id; 79 uint8_t is_last; 80 } __packed; 81 82 struct bt_has_cp_generic_update { 83 uint8_t prev_index; 84 uint8_t index; 85 uint8_t properties; 86 uint8_t name[0]; 87 } __packed; 88 89 struct bt_has_cp_write_preset_name { 90 uint8_t index; 91 uint8_t name[0]; 92 } __packed; 93 94 struct bt_has_cp_set_active_preset { 95 uint8_t index; 96 } __packed; 97 bt_has_op_str(uint8_t op)98static inline const char *bt_has_op_str(uint8_t op) 99 { 100 switch (op) { 101 case BT_HAS_OP_READ_PRESET_REQ: 102 return "Read preset request"; 103 case BT_HAS_OP_READ_PRESET_RSP: 104 return "Read preset response"; 105 case BT_HAS_OP_PRESET_CHANGED: 106 return "Preset changed"; 107 case BT_HAS_OP_WRITE_PRESET_NAME: 108 return "Write preset name"; 109 case BT_HAS_OP_SET_ACTIVE_PRESET: 110 return "Set active preset"; 111 case BT_HAS_OP_SET_NEXT_PRESET: 112 return "Set next preset"; 113 case BT_HAS_OP_SET_PREV_PRESET: 114 return "Set previous preset"; 115 case BT_HAS_OP_SET_ACTIVE_PRESET_SYNC: 116 return "Set active preset (sync)"; 117 case BT_HAS_OP_SET_NEXT_PRESET_SYNC: 118 return "Set next preset (sync)"; 119 case BT_HAS_OP_SET_PREV_PRESET_SYNC: 120 return "Set previous preset (sync)"; 121 default: 122 return "Unknown"; 123 } 124 } 125 bt_has_change_id_str(uint8_t change_id)126static inline const char *bt_has_change_id_str(uint8_t change_id) 127 { 128 switch (change_id) { 129 case BT_HAS_CHANGE_ID_GENERIC_UPDATE: 130 return "Generic update"; 131 case BT_HAS_CHANGE_ID_PRESET_DELETED: 132 return "Preset deleted"; 133 case BT_HAS_CHANGE_ID_PRESET_AVAILABLE: 134 return "Preset available"; 135 case BT_HAS_CHANGE_ID_PRESET_UNAVAILABLE: 136 return "Preset unavailable"; 137 default: 138 return "Unknown changeId"; 139 } 140 } 141
