1 /* Copyright (c) 2014, Nordic Semiconductor ASA 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in all 11 * copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 19 * SOFTWARE. 20 */ 21 22 /** 23 * @file 24 * @defgroup aci-lib aci-library 25 * @brief ACI library 26 * 27 * Library for the logical part of the Application Controller Interface (ACI) 28 * 29 * @ingroup nrf8001 30 */ 31 32 #ifndef LIB_ACI_H__ 33 #define LIB_ACI_H__ 34 35 /** 36 * @{ 37 */ 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 #include "hal_platform.h" 44 #include "hal_aci_tl.h" 45 #include "aci_queue.h" 46 #include "aci.h" 47 #include "aci_cmds.h" 48 #include "aci_evts.h" 49 50 #define EVT_CMD_RESPONSE_MIN_LENGTH 3 51 52 #define PIPES_ARRAY_SIZE ((ACI_DEVICE_MAX_PIPES + 7)/8) 53 54 /* Same size as a hal_aci_data_t */ 55 typedef struct { 56 uint8_t debug_byte; 57 aci_evt_t evt; 58 } _aci_packed_ hal_aci_evt_t; 59 60 ACI_ASSERT_SIZE(hal_aci_evt_t, 34); 61 62 typedef struct 63 { 64 uint8_t location; /**< enum aci_pipe_store_t */ 65 aci_pipe_type_t pipe_type; 66 } services_pipe_type_mapping_t; 67 68 typedef struct aci_setup_info_t 69 { 70 services_pipe_type_mapping_t *services_pipe_type_mapping; 71 uint8_t number_of_pipes; 72 hal_aci_data_t *setup_msgs; 73 uint8_t num_setup_msgs; 74 } aci_setup_info_t; 75 76 77 78 // aci_struct that will contain 79 // total initial credits 80 // current credit 81 // current state of the aci (setup/standby/active/sleep) 82 // open remote pipe pending 83 // close remote pipe pending 84 // Current pipe available bitmap 85 // Current pipe closed bitmap 86 // Current connection interval, slave latency and link supervision timeout 87 // Current State of the the GATT client (Service Discovery status) 88 // Relationship of bond to peer address 89 typedef struct aci_state_t 90 { 91 aci_pins_t aci_pins; /* Pins on the MCU used to connect to the nRF8001 */ 92 aci_setup_info_t aci_setup_info; /* Data structures that are created from nRFgo Studio */ 93 uint8_t bonded; /* ( aci_bond_status_code_t ) Is the nRF8001 bonded to a peer device */ 94 uint8_t data_credit_total; /* Total data credit available for the specific version of the nRF8001, total equals available when a link is established */ 95 aci_device_operation_mode_t device_state; /* Operating mode of the nRF8001 */ 96 97 /* */ 98 99 /* Start : Variables that are valid only when in a connection */ 100 uint8_t data_credit_available; /* Available data credits at a specific point of time, ACI_EVT_DATA_CREDIT updates the available credits */ 101 102 uint16_t connection_interval; /* Multiply by 1.25 to get the connection interval in milliseconds*/ 103 uint16_t slave_latency; /* Number of consecutive connection intervals that the nRF8001 is not required to transmit. Use this to save power */ 104 uint16_t supervision_timeout; /* Multiply by 10 to get the supervision timeout in milliseconds */ 105 106 uint8_t pipes_open_bitmap[PIPES_ARRAY_SIZE]; /* Bitmap -> pipes are open and can be used for sending data over the air */ 107 uint8_t pipes_closed_bitmap[PIPES_ARRAY_SIZE]; /* Bitmap -> pipes are closed and cannot be used for sending data over the air */ 108 bool confirmation_pending; /* Attribute protocol Handle Value confirmation is pending for a Handle Value Indication 109 (ACK is pending for a TX_ACK pipe) on local GATT Server*/ 110 /* End : Variables that are valid only when in a connection */ 111 112 } aci_state_t; 113 114 115 116 #define DISCONNECT_REASON_CX_TIMEOUT 0x08 117 #define DISCONNECT_REASON_CX_CLOSED_BY_PEER_DEVICE 0x13 118 #define DISCONNECT_REASON_POWER_LOSS 0x14 119 #define DISCONNECT_REASON_CX_CLOSED_BY_LOCAL_DEVICE 0x16 120 #define DISCONNECT_REASON_ADVERTISER_TIMEOUT 0x50 121 122 123 /** @name Functions for library management */ 124 //@{ 125 126 /** @brief Function to enable printing of all ACI commands sent and ACI events received 127 * @details This function shall be used to enable or disable the debug printing. 128 Debug printing is disabled by default. 129 */ 130 void lib_aci_debug_print(bool enable); 131 132 /** @brief Function to pin reset the nRF8001 133 * @details Pin resets the nRF8001 also handles differences between development boards 134 */ 135 void lib_aci_pin_reset(void); 136 137 /** @brief Initialization function. 138 * @details This function shall be used to initialize/reset ACI Library and also Resets the 139 * nRF8001 by togging the reset pin of the nRF8001. This function will reset 140 * all the variables locally used by ACI library to their respective default values. 141 * @param bool True if the data was successfully queued for sending, 142 * false if there is no more space to store messages to send. 143 */ 144 void lib_aci_init(aci_state_t *aci_stat, bool debug); 145 146 147 /** @brief Gets the number of currently available ACI credits. 148 * @return Number of ACI credits. 149 */ 150 uint8_t lib_aci_get_nb_available_credits(aci_state_t *aci_stat); 151 152 /** @brief Gets the connection interval in milliseconds. 153 * @return Connection interval in milliseconds. 154 */ 155 uint16_t lib_aci_get_cx_interval_ms(aci_state_t *aci_stat); 156 157 /** @brief Gets the connection interval in multiple of 1.25 ms. 158 * @return Connection interval in multiple of 1.25 ms. 159 */ 160 uint16_t lib_aci_get_cx_interval(aci_state_t *aci_stat); 161 162 /** @brief Gets the current slave latency. 163 * @return Current slave latency. 164 */ 165 uint16_t lib_aci_get_slave_latency(aci_state_t *aci_stat); 166 167 /** @brief Checks if a given pipe is available. 168 * @param pipe Pipe to check. 169 * @return True if the pipe is available, otherwise false. 170 */ 171 bool lib_aci_is_pipe_available(aci_state_t *aci_stat, uint8_t pipe); 172 173 /** @brief Checks if a given pipe is closed. 174 * @param pipe Pipe to check. 175 * @return True if the pipe is closed, otherwise false. 176 */ 177 bool lib_aci_is_pipe_closed(aci_state_t *aci_stat, uint8_t pipe); 178 179 /** @brief Checks if the discovery operation is finished. 180 * @return True if the discovery is finished. 181 */ 182 bool lib_aci_is_discovery_finished(aci_state_t *aci_stat); 183 184 185 186 //@} 187 188 /** @name ACI Commands available in all modes */ 189 //@{ 190 191 /** @brief Sets the radio in sleep mode. 192 * @details The function sends a @c sleep command to the radio. 193 * If the radio is advertising or connected, it sends back an error, then use lib_aci_radio_reset 194 * if advertising or disconnect if in a connection. 195 * @return True if the transaction is successfully initiated. 196 */ 197 bool lib_aci_sleep(void); 198 199 /** @brief Resets the radio. 200 * @details The function sends a @c BasebandReset command to the radio. 201 * @return True if the transaction is successfully initiated. 202 */ 203 bool lib_aci_radio_reset(void); 204 205 /** @brief Radio starts directed advertising to bonded device. 206 * @details The function sends a @c DirectedConnect command to the radio. 207 * @return True if the transaction is successfully initiated. 208 */ 209 bool lib_aci_direct_connect(void); 210 211 /** @brief Gets the radio's version. 212 * @details This function sends a @c GetDeviceVersion command. 213 * @return True if the transaction is successfully initiated. 214 */ 215 bool lib_aci_device_version(void); 216 217 /** @brief Gets the device address. 218 * @details This function sends a @c GetDeviceAddress command. 219 * @return True if the transaction is successfully initiated. 220 */ 221 bool lib_aci_get_address(void); 222 223 /** @brief Gets the temperature. 224 * @details This function sends a @c GetTemperature command. lib_aci 225 * calls the @ref lib_aci_transaction_finished_hook() function when the temperature is received. 226 * @return True if the transaction is successfully initiated. 227 */ 228 bool lib_aci_get_temperature(void); 229 230 /** @brief Gets the battery level. 231 * @details This function sends a @c GetBatteryLevel command. 232 * @return True if the transaction is successfully initiated. 233 */ 234 bool lib_aci_get_battery_level(void); 235 236 //@} 237 238 /** @name ACI commands available in Sleep mode */ 239 //@{ 240 241 /** @brief Wakes up the radio. 242 * @details This function sends a @c Wakeup command to wake up the radio from 243 * sleep mode. When woken up the radio sends a @c DeviceStartedEvent and 244 * a @c CommandResponseEvent. 245 * @return True if the transaction is successfully initiated. 246 */ 247 bool lib_aci_wakeup(void); 248 249 //@} 250 251 /** @name ACI commands available in Active mode */ 252 //@{ 253 254 /** @brief Sets the radio in test mode. 255 * @details This function sends a @c Test command to the radio. There are two 256 * Test modes available: 257 * - UART: DTM commands are received over UART. 258 * - ACI: DTM commands are received over ACI. 259 * The same command is used to exit the test mode When receiving 260 * a @c DeviceStartedEvent the radio has entered the new mode. 261 * @param enter_exit_test_mode Enter a Test mode, or exit Test mode. 262 * @return True if the transaction is successfully initiated. 263 */ 264 bool lib_aci_test(aci_test_mode_change_t enter_exit_test_mode); 265 266 /** @brief Sets the radio's TX power. 267 * @details This function sends a @c SetTxPower command. 268 * @param tx_power TX power to be used by the radio. 269 * @return True if the transaction is successfully initiated. 270 */ 271 bool lib_aci_set_tx_power(aci_device_output_power_t tx_power); 272 273 /** @brief Tries to connect to a peer device. 274 * @details This function sends a @c Connect command to the radio. 275 * @param run_timeout Maximum advertising time in seconds (0 means infinite). 276 * @param adv_interval Advertising interval (in multiple of 0.625 ms). 277 * @return True if the transaction is successfully initiated. 278 */ 279 bool lib_aci_connect(uint16_t run_timeout, uint16_t adv_interval); 280 281 /** @brief Tries to bond with a peer device. 282 * @details This function sends a @c Bond command to the radio. 283 * @param run_timeout Maximum advertising time in seconds (0 means infinite). 284 * @param adv_interval Advertising interval (in multiple of 0.625 ms). 285 * @return True if the transaction is successfully initiated. 286 */ 287 bool lib_aci_bond(uint16_t run_timeout, uint16_t adv_interval); 288 289 /** @brief Disconnects from peer device. 290 * @details This function sends a @c Disconnect command to the radio. 291 * @param reason Reason for disconnecting. 292 * @return True if the transaction is successfully initiated. 293 */ 294 bool lib_aci_disconnect(aci_state_t *aci_stat, aci_disconnect_reason_t reason); 295 296 /**@brief Sets Local Data. 297 * @details 298 * This command updates the value of the characteristic value or the characteristic descriptor stored locally on the device. 299 * Can be called for all types of pipes as long as the data is stored locally. 300 * @param ACI state structure 301 * @param pipe Pipe number on which the data should be set. 302 * @param value Pointer to the data to set. 303 * @param size Size of the data to set. 304 * @return True if the transaction is successfully initiated. 305 */ 306 bool lib_aci_set_local_data(aci_state_t *aci_stat, uint8_t pipe, uint8_t *value, uint8_t size); 307 308 /** @brief Sends Broadcast message to the radio. 309 * @details The Broadcast message starts advertisement procedure 310 * using the given interval with the intention of broadcasting data to a peer device. 311 * @param timeout Time, in seconds, to advertise before exiting to standby mode (0 means infinite). 312 * Valid values: 0 to 16383. 313 * @param adv_interval Advertising interval (in multiple of 0.625 ms). 314 * Valid values: 160 to 16384 (which corresponds to an interval from 100 ms to 10.24 s). 315 * @return True if the broadcast message is sent successfully to the radio. 316 */ 317 bool lib_aci_broadcast(const uint16_t timeout, const uint16_t adv_interval); 318 319 /** @name Open Advertising Pipes. */ 320 321 /** @brief Sends a command to the radio to set the input pipe to be placed in Advertisement Service Data. 322 * @details This function sends a command to the radio that places the pipe in 323 * advertisement service data. To start advertising service data, call this function before 324 * Connecting, Broadcasting or Bonding to peer. The data that should be sent in the advertisement packets 325 * must be set using the @c lib_aci_set_local_data function. This function can be called during 326 * advertising to enable/disable broadcast pipes. 327 * @param pipe The pipe that has to be placed in advertising service data. 328 * @return True if the Open Adv Pipe message is sent successfully to the radio. 329 */ 330 bool lib_aci_open_adv_pipe(const uint8_t pipe); 331 332 333 /** @name Open Advertising Pipes */ 334 335 /** @brief Sends a command to the radio to set the pipes to be placed in Advertisement Service Data. 336 * @details This function will send a command to the radio that will set the pipes to be placed in 337 * advertisement Service Data. To start advertising service data, this function should be called before 338 * Connecting, Broadcasting or Bonding to peer. This function can be called during 339 * advertising to enable/disable broadcast pipes. Use this as an alternative to @ref lib_aci_open_adv_pipe 340 * to avoid multiple function calls for placing multiple pipes in the adv data. 341 * @param adv_service_data_pipes Pipe bitmap, where '1' indicates that the corresponding 342 * Valid Values: 0000000000000000 to FEFFFFFFFFFFFF7F (See the ACI Pipe Status Evt bitmap in the nRF8001 datasheet 343 * TX_BROADCAST pipe data is to be placed in Advertising Service Data fields 344 * @return true if the Open Adv Pipe message was sent successfully to the radio. 345 */ 346 bool lib_aci_open_adv_pipes(const uint8_t * const adv_service_data_pipes); 347 348 349 //@} 350 351 /** @name ACI commands available in Connected mode */ 352 //@{ 353 354 355 /** @brief Sets a given application latency. 356 * @details This function sends a @c setApplicationLatency command. 357 * @return True if the transaction is successfully initiated. 358 */ 359 bool lib_aci_set_app_latency(uint16_t latency, aci_app_latency_mode_t latency_mode); 360 361 /** @brief Opens a remote pipe. 362 * @details This function sends an @c OpenRemotePipe command. 363 * @param pipe Number of the pipe to open. 364 * @return True if the transaction is successfully initiated. 365 */ 366 bool lib_aci_open_remote_pipe(aci_state_t *aci_stat, uint8_t pipe); 367 368 /** @brief Closes a remote pipe. 369 * @details This function sends an @c CloseRemotePipe command. 370 * @param pipe Pipe number to close. 371 * @return True if the transaction is successfully initiated. 372 */ 373 bool lib_aci_close_remote_pipe(aci_state_t *aci_stat, uint8_t pipe); 374 375 /** @brief Sends data on a given pipe. 376 * @details This function sends a @c SendData command with application data to 377 * the radio. This function memorizes credit use, and checks that 378 * enough credits are available. 379 * @param pipe Pipe number on which the data should be sent. 380 * @param value Pointer to the data to send. 381 * @param size Size of the data to send. 382 * @return True if the transaction is successfully initiated. 383 */ 384 bool lib_aci_send_data(uint8_t pipe, uint8_t *value, uint8_t size); 385 386 /** @brief Requests data from a given pipe. 387 * @details This function sends a @c RequestData command to the radio. This 388 * function memorizes credit uses, and check that enough credits are available. 389 * After this command, the radio sends back either a @c DataReceivedEvent 390 * or a @c PipeErrorEvent. 391 * @param pipe Pipe number on which the data is requested. 392 * @return True if the transaction is successfully initiated. 393 */ 394 bool lib_aci_request_data(aci_state_t *aci_stat, uint8_t pipe); 395 396 /** @brief Sends a L2CAP change connection parameters request. 397 * @details This function sends a @c ChangeTiming command to the radio. This command triggers a "L2CAP change connection parameters" request 398 * to the master. If the master rejects or accepts but doesn't change the connection parameters within 399 * 30 seconds, a timing event with the unchanged connection parameters is sent by the radio. 400 * If the request is accepted and the master changes connection parameters, a timing event with 401 * the new connection parameters is sent by the radio. 402 * If the master doesn't reply to the request within 60 seconds, the radio disconnects. 403 * @param minimun_cx_interval Minimum connection interval requested, in multiple of 1.25 ms. 404 * @param maximum_cx_interval Maximum connection interval requested, in multiple of 1.25 ms. 405 * @param slave_latency requested slave latency. 406 * @param timeout requested slave timeout, in multiple of 10 ms. 407 * @return True if the transaction is successfully initiated. 408 */ 409 bool lib_aci_change_timing(uint16_t minimun_cx_interval, uint16_t maximum_cx_interval, uint16_t slave_latency, uint16_t timeout); 410 411 /** @brief Sends a L2CAP change connection parameters request with the connection predefined preffered connection parameters. 412 * @details This function sends a @c ChangeTiming command to the radio. This command triggers a "L2CAP change connection parameters" request 413 * to the master. If the master rejects or accepts but doesn't change the connection parameters within 414 * 30 seconds, a timing event with the unchanged connection parameters is sent by the radio. 415 * If the request is accepted and the master changes connection parameters, a timing event with 416 * the new connection parameters is sent by the radio. 417 * If the master doesn't reply to the request within 60 seconds, the radio disconnects. 418 * The timing parameters used are the Timing parameters in the GAP settings in the nRFgo Studio. 419 * The Timing parameters as stored as the GAP Preferred Peripheral Connection Parameters. 420 * @return True if the transaction is successfully initiated. 421 */ 422 bool lib_aci_change_timing_GAP_PPCP(void); 423 424 /** @brief Sends acknowledgement message to peer. 425 * @details This function sends @c SendDataAck command to radio. The radio is expected 426 * to send either Handle Value Confirmation or Write response depending 427 * on whether the data is stored remotely or locally. 428 * @param pipe Pipe number for which the acknowledgement is to be sent. 429 * @return True if the ack was sent successfully. False otherwise. 430 */ 431 bool lib_aci_send_ack(aci_state_t *aci_stat, const uint8_t pipe); 432 433 /** @brief Sends negative acknowledgement message to peer. 434 * @details This function sends @c SendDataNack command to radio. The radio is expected 435 * to send Error Response to the peer. 436 * @param pipe Pipe number for which the nack is to be sent. 437 * @param error_code Error code to be sent in the NACk. 438 * @return True if the nack was sent successfully. False otherwise. 439 */ 440 bool lib_aci_send_nack(aci_state_t *aci_stat, const uint8_t pipe, const uint8_t error_code); 441 442 /** @brief Sends ReadDynamicData command to the host. 443 * @details This function sends @c ReadDynamicData command to host. The host is expected 444 * to send @c CommandResponse back with the dynamic data. The application is expected to 445 * call this function in a loop until all the dynamic data is read out from the host. 446 * As long as there is dynamic data to be read from the host, the command response 447 * for this message has its status field set to ACI_STATUS_TRANSACTION_CONTINUE (0x01). 448 * The application may chose to store this read out data in a non-volatile memory location 449 * and later chose to write it back using the function lib_aci_write_dynamic_data. 450 * @return True if the command was sent successfully through the ACI. False otherwise. 451 */ 452 bool lib_aci_read_dynamic_data(void); 453 454 /** @brief Sends WriteDynamicData command to the host. 455 * @details This function sends @c WriteDynamicData command to host. The host is expected 456 * to send @c CommandResponse with the status of this operation. As long as the status field 457 * in the @c CommandResponse is ACI_STATUS_TRANSACTION_CONTINUE (0x01), the hosts expects 458 * more dynamic data to be written. This function should ideally be called in a cycle, 459 * until all the stored dynamic data is sent to the host. This function should be 460 * called with the dynamic data obtained from the response to a @c ReadDynamicData 461 * (see @c lib_aci_read_dynamic_data) command. 462 * @param sequence_number Sequence number of the dynamic data to be sent. 463 * @param dynamic_data Pointer to the dynamic data. 464 * @param length Length of the dynamic data. 465 * @return True if the command was sent successfully through the ACI. False otherwise. 466 */ 467 bool lib_aci_write_dynamic_data(uint8_t sequence_number, uint8_t* dynamic_data, uint8_t length); 468 //@} 469 470 /** @name ACI commands available while connected in Bond mode */ 471 //@{ 472 473 /** @brief Sends a SMP Security Request. 474 * @details This function send a @c BondRequest command to the radio. 475 * This command triggers a SMP Security Request to the master. If the 476 * master rejects with a pairing failed or if the bond timer expires the connection is closed. 477 * @return True if the transaction is successfully initiated. 478 */ 479 bool lib_aci_bond_request(void); 480 481 /** @brief Set the key requested by the 8001. 482 * @details This function sends an @c SetKey command to the radio. 483 * @param key_rsp_type Type of key. 484 * @param key Pointer to the key to set. 485 * @param len Length of the key. 486 * @return True if the transaction is successfully initiated. 487 */ 488 bool lib_aci_set_key(aci_key_type_t key_rsp_type, uint8_t *key, uint8_t len); 489 490 //@} 491 492 493 494 /** @name ACI commands available in Test mode */ 495 //@{ 496 497 /** @brief Sends an echo message 498 * @details This function sends an @c Echo command to the radio. lib_aci 499 * places the Echp ACI command in the ACI command queue 500 * @param message_size Length of the data to send. 501 * @param message_data Pointer to the data to send. 502 * @return True if the transaction is successfully initiated. 503 */ 504 bool lib_aci_echo_msg(uint8_t message_size, uint8_t *message_data); 505 506 /** @brief Sends an DTM command 507 * @details This function sends an @c DTM command to the radio. 508 * @param dtm_command_msbyte Most significant byte of the DTM command. 509 * @param dtm_command_lsbyte Least significant byte of the DTM command. 510 * @return True if the transaction is successfully initiated. 511 */ 512 bool lib_aci_dtm_command(uint8_t dtm_command_msbyte, uint8_t dtm_command_lsbyte); 513 514 /** @brief Gets an ACI event from the ACI Event Queue 515 * @details This function gets an ACI event from the ACI event queue. 516 * The queue is updated by the SPI driver for the ACI running in the interrupt context 517 * @param aci_stat pointer to the state of the ACI. 518 * @param p_aci_data pointer to the ACI Event. The ACI Event received will be copied into this pointer. 519 * @return True if an ACI Event was copied to the pointer. 520 */ 521 bool lib_aci_event_get(aci_state_t *aci_stat, hal_aci_evt_t * aci_evt); 522 523 /** @brief Peeks an ACI event from the ACI Event Queue 524 * @details This function peeks at the top event in the ACI event queue. 525 * In polling mode, this function will query the nRF8001 for pending events, but unlike 526 * lib_aci_event_get() it will not dequeue the event from the local queue, but will instead 527 * only peek at it. 528 * @return True if an ACI Event was copied to the pointer. 529 */ 530 bool lib_aci_event_peek(hal_aci_evt_t *p_aci_evt_data); 531 532 /** @brief Flushes the events in the ACI command queues and ACI Event queue 533 * 534 */ 535 void lib_aci_flush(void); 536 537 /** @brief Return full status of the Event queue 538 * @details 539 * 540 */ 541 bool lib_aci_event_queue_full(void); 542 543 /** @brief Return empty status of the Event queue 544 * @details 545 * 546 */ 547 bool lib_aci_event_queue_empty(void); 548 549 /** @brief Return full status of Command queue 550 * @details 551 * 552 */ 553 bool lib_aci_command_queue_full(void); 554 555 /** @brief Return empty status of Command queue 556 * @details 557 * 558 */ 559 bool lib_aci_command_queue_empty(void); 560 561 //@} 562 563 /** @} */ 564 565 #ifdef __cplusplus 566 } 567 #endif 568 569 #endif /* LIB_ACI_H__ */ 570