1 /* 2 * Copyright (C) 2018 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #ifndef __MESH_ACCESS_H 39 #define __MESH_ACCESS_H 40 41 #include <stdint.h> 42 #include <stdarg.h> 43 44 #include "bluetooth_company_id.h" 45 #include "btstack_linked_list.h" 46 47 #include "mesh/mesh_lower_transport.h" 48 #include "mesh/mesh_keys.h" 49 #include "mesh/mesh_node.h" 50 51 #ifdef __cplusplus 52 extern "C" 53 { 54 #endif 55 56 #define MESH_SEQUENCE_NUMBER_STORAGE_INTERVAL 1000 57 58 typedef enum { 59 MESH_DEFAULT_TRANSITION_STEP_RESOLUTION_100ms = 0x00u, 60 MESH_DEFAULT_TRANSITION_STEP_RESOLUTION_1s, 61 MESH_DEFAULT_TRANSITION_STEP_RESOLUTION_10s, 62 MESH_DEFAULT_TRANSITION_STEP_RESOLUTION_10min 63 } mesh_default_transition_step_resolution_t; 64 65 typedef enum { 66 MODEL_STATE_UPDATE_REASON_SET = 0x00u, 67 MODEL_STATE_UPDATE_REASON_TRANSITION_START, 68 // MODEL_STATE_UPDATE_REASON_TRANSITION_ACTIVE, 69 MODEL_STATE_UPDATE_REASON_TRANSITION_END, 70 MODEL_STATE_UPDATE_REASON_TRANSITION_ABORT, 71 // MODEL_STATE_UPDATE_REASON_BOUND_STATE, 72 MODEL_STATE_UPDATE_REASON_APPLICATION_CHANGE 73 } model_state_update_reason_t; 74 75 typedef enum { 76 TRANSITION_START, 77 TRANSITION_UPDATE 78 } transition_event_t; 79 80 typedef enum { 81 MESH_TRANSITION_STATE_IDLE, 82 MESH_TRANSITION_STATE_DELAYED, 83 MESH_TRANSITION_STATE_ACTIVE 84 } mesh_transition_state_t; 85 86 typedef enum { 87 MODEL_STATE_ID_GENERIC_ON_OFF = (BLUETOOTH_COMPANY_ID_BLUETOOTH_SIG_INC << 16) | 0u, 88 MODEL_STATE_ID_GENERIC_LEVEL = (BLUETOOTH_COMPANY_ID_BLUETOOTH_SIG_INC << 16) | 1u, 89 } model_state_id_t; 90 91 #define MESH_MAX_NUM_FAULTS 3 92 93 typedef struct { 94 // linked list item 95 btstack_linked_item_t item; 96 uint8_t test_id; 97 uint16_t company_id; 98 uint16_t num_faults; 99 uint8_t faults[MESH_MAX_NUM_FAULTS]; 100 } mesh_fault_t; 101 102 typedef struct { 103 uint32_t opcode; 104 uint8_t * data; 105 uint16_t len; 106 } mesh_access_parser_state_t; 107 108 typedef struct { 109 uint32_t opcode; 110 const char * format; 111 } mesh_access_message_t; 112 113 typedef enum { 114 MESH_TRANSACTION_STATUS_NEW = 0, 115 MESH_TRANSACTION_STATUS_RETRANSMISSION, 116 MESH_TRANSACTION_STATUS_DIFFERENT_DST_OR_SRC 117 } mesh_transaction_status_t; 118 119 typedef struct mesh_transition { 120 btstack_linked_item_t item; 121 122 mesh_transition_state_t state; 123 124 uint8_t transaction_identifier; 125 uint32_t transaction_timestamp_ms; 126 uint16_t src_address; 127 uint16_t dst_address; 128 129 mesh_default_transition_step_resolution_t step_duration_ms; 130 uint32_t phase_start_ms; 131 uint32_t remaining_delay_time_ms; 132 uint32_t remaining_transition_time_ms; 133 // to send events and/or publish changes 134 mesh_model_t * mesh_model; 135 136 // to execute transition 137 void (* transition_callback)(struct mesh_transition * transition, transition_event_t event, uint32_t current_timestamp); 138 } mesh_transition_t; 139 140 /** 141 * @brief Init access layer 142 */ 143 void mesh_access_init(void); 144 145 /** 146 * @brief Inform access layer that access message was processed by higher layer 147 * @param pdu 148 */ 149 void mesh_access_message_processed(mesh_pdu_t * pdu); 150 151 /** 152 * @brief Get number of retransmissions used by default 153 */ 154 uint8_t mesh_access_acknowledged_message_retransmissions(void); 155 156 /** 157 * @brief Get retransmission timeout 158 */ 159 uint32_t mesh_access_acknowledged_message_timeout_ms(void); 160 161 /** 162 * @brief Send unacknowledged message 163 * @param pdu 164 */ 165 void mesh_access_send_unacknowledged_pdu(mesh_pdu_t * pdu); 166 167 /** 168 * @brief Send acknowledged message. Retransmits message if no acknowledgement with expected opcode is received 169 * @param pdu 170 * @param retransmissions 171 * @param ack_opcode opcode of acknowledgement 172 */ 173 void mesh_access_send_acknowledged_pdu(mesh_pdu_t * pdu, uint8_t retransmissions, uint32_t ack_opcode); 174 175 uint8_t mesh_access_transitions_num_steps_from_gdtt(uint8_t time_gdtt); 176 uint32_t mesh_access_time_gdtt2ms(uint8_t time_gdtt); 177 178 void mesh_access_emit_state_update_bool(btstack_packet_handler_t event_handler, uint8_t element_index, uint32_t model_identifier, 179 model_state_id_t state_identifier, model_state_update_reason_t reason, uint8_t value); 180 void mesh_access_emit_state_update_int16(btstack_packet_handler_t event_handler, uint8_t element_index, uint32_t model_identifier, 181 model_state_id_t state_identifier, model_state_update_reason_t reason, int16_t value); 182 183 // Mesh Model Transitions 184 void mesh_access_transitions_setup_transaction(mesh_transition_t * transition, uint8_t transaction_identifier, uint16_t src_address, uint16_t dst_address); 185 void mesh_access_transitions_abort_transaction(mesh_transition_t * transition); 186 mesh_transaction_status_t mesh_access_transitions_transaction_status(mesh_transition_t * transition, uint8_t transaction_identifier, uint16_t src_address, uint16_t dst_address); 187 188 void mesh_access_transitions_setup(mesh_transition_t * transition, mesh_model_t * mesh_model, 189 uint8_t transition_time_gdtt, uint8_t delay_gdtt, 190 void (* transition_callback)(struct mesh_transition * transition, transition_event_t event, uint32_t current_timestamp)); 191 192 void mesh_access_transitions_add(mesh_transition_t * transition); 193 void mesh_access_transitions_remove(mesh_transition_t * transition); 194 uint8_t mesh_access_transactions_get_next_transaction_id(void); 195 196 // Mesh Model Publicaation 197 198 /** 199 * Inform Mesh Access that the state of a model has changed. may trigger state publication 200 * @param mesh_model 201 */ 202 void mesh_access_state_changed(mesh_model_t * mesh_model); 203 204 /** 205 * Start Model Publication 206 * @param mesh_model 207 */ 208 void mesh_model_publication_start(mesh_model_t * mesh_model); 209 210 /** 211 * Stop Model Publication 212 * @param mesh_model 213 */ 214 void mesh_model_publication_stop(mesh_model_t * mesh_model); 215 216 // Mesh PDU Getter 217 uint16_t mesh_pdu_ttl(mesh_pdu_t * pdu); 218 uint16_t mesh_pdu_src(mesh_pdu_t * pdu); 219 uint16_t mesh_pdu_dst(mesh_pdu_t * pdu); 220 uint16_t mesh_pdu_netkey_index(mesh_pdu_t * pdu); 221 uint16_t mesh_pdu_appkey_index(mesh_pdu_t * pdu); 222 uint16_t mesh_pdu_len(mesh_pdu_t * pdu); 223 uint8_t * mesh_pdu_data(mesh_pdu_t * pdu); 224 uint8_t mesh_pdu_control_opcode(mesh_pdu_t * pdu); 225 226 // Mesh Access Parser 227 int mesh_access_pdu_get_opcode(mesh_pdu_t * pdu, uint32_t * opcode, uint16_t * opcode_size); 228 int mesh_access_parser_init(mesh_access_parser_state_t * state, mesh_pdu_t * pdu); 229 void mesh_access_parser_skip(mesh_access_parser_state_t * state, uint16_t bytes_to_skip); 230 uint16_t mesh_access_parser_available(mesh_access_parser_state_t * state); 231 uint8_t mesh_access_parser_get_u8(mesh_access_parser_state_t * state); 232 uint16_t mesh_access_parser_get_u16(mesh_access_parser_state_t * state); 233 uint32_t mesh_access_parser_get_u24(mesh_access_parser_state_t * state); 234 uint32_t mesh_access_parser_get_u32(mesh_access_parser_state_t * state); 235 void mesh_access_parser_get_u128(mesh_access_parser_state_t * state, uint8_t * dest); 236 void mesh_access_parser_get_label_uuid(mesh_access_parser_state_t * state, uint8_t * dest); 237 void mesh_access_parser_get_key(mesh_access_parser_state_t * state, uint8_t * dest); 238 uint32_t mesh_access_parser_get_model_identifier(mesh_access_parser_state_t * parser); 239 240 // message builder transport 241 mesh_transport_pdu_t * mesh_access_transport_init(uint32_t opcode); 242 void mesh_access_transport_add_uint8(mesh_transport_pdu_t * pdu, uint8_t value); 243 void mesh_access_transport_add_uint16(mesh_transport_pdu_t * pdu, uint16_t value); 244 void mesh_access_transport_add_uint24(mesh_transport_pdu_t * pdu, uint32_t value); 245 void mesh_access_transport_add_uint32(mesh_transport_pdu_t * pdu, uint32_t value); 246 void mesh_access_transport_add_model_identifier(mesh_transport_pdu_t * pdu, uint32_t model_identifier); 247 248 // message builder network 249 mesh_network_pdu_t * mesh_access_network_init(uint32_t opcode); 250 void mesh_access_network_add_uint8(mesh_network_pdu_t * pdu, uint8_t value); 251 void mesh_access_network_add_uint16(mesh_network_pdu_t * pdu, uint16_t value); 252 void mesh_access_network_add_uint24(mesh_network_pdu_t * pdu, uint16_t value); 253 void mesh_access_network_add_uint32(mesh_network_pdu_t * pdu, uint16_t value); 254 void mesh_access_network_add_model_identifier(mesh_network_pdu_t * pdu, uint32_t model_identifier); 255 256 // message builder using template 257 mesh_network_pdu_t * mesh_access_setup_unsegmented_message(const mesh_access_message_t *message_template, ...); 258 mesh_transport_pdu_t * mesh_access_setup_segmented_message(const mesh_access_message_t *message_template, ...); 259 260 #ifdef __cplusplus 261 } /* end of extern "C" */ 262 #endif 263 264 #endif 265