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      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 /** @file
     23   @brief Implementation of the ACI library.
     24  */
     25 
     26 #include "hal_platform.h"
     27 #include "aci.h"
     28 #include "aci_cmds.h"
     29 #include "aci_evts.h"
     30 #include "aci_protocol_defines.h"
     31 #include "acilib_defs.h"
     32 #include "acilib_if.h"
     33 #include "hal_aci_tl.h"
     34 #include "aci_queue.h"
     35 #include "lib_aci.h"
     36 
     37 
     38 #define LIB_ACI_DEFAULT_CREDIT_NUMBER   1
     39 
     40 /*
     41 Global additionally used used in aci_setup
     42 */
     43 hal_aci_data_t  msg_to_send;
     44 
     45 
     46 static services_pipe_type_mapping_t * p_services_pipe_type_map;
     47 static hal_aci_data_t *               p_setup_msgs;
     48 
     49 
     50 
     51 
     52 static bool is_request_operation_pending;
     53 static bool is_indicate_operation_pending;
     54 static bool is_open_remote_pipe_pending;
     55 static bool is_close_remote_pipe_pending;
     56 
     57 static uint8_t request_operation_pipe = 0;
     58 static uint8_t indicate_operation_pipe = 0;
     59 
     60 
     61 // The following structure (aci_cmd_params_open_adv_pipe) will be used to store the complete command
     62 // including the pipes to be opened.
     63 static aci_cmd_params_open_adv_pipe_t aci_cmd_params_open_adv_pipe;
     64 
     65 
     66 
     67 extern aci_queue_t    aci_rx_q;
     68 extern aci_queue_t    aci_tx_q;
     69 
     70 bool lib_aci_is_pipe_available(aci_state_t *aci_stat, uint8_t pipe)
     71 {
     72   uint8_t byte_idx;
     73 
     74   byte_idx = pipe / 8;
     75   if (aci_stat->pipes_open_bitmap[byte_idx] & (0x01 << (pipe % 8)))
     76   {
     77     return(true);
     78   }
     79   return(false);
     80 }
     81 
     82 
     83 bool lib_aci_is_pipe_closed(aci_state_t *aci_stat, uint8_t pipe)
     84 {
     85   uint8_t byte_idx;
     86 
     87   byte_idx = pipe / 8;
     88   if (aci_stat->pipes_closed_bitmap[byte_idx] & (0x01 << (pipe % 8)))
     89   {
     90     return(true);
     91   }
     92   return(false);
     93 }
     94 
     95 
     96 bool lib_aci_is_discovery_finished(aci_state_t *aci_stat)
     97 {
     98   return(aci_stat->pipes_open_bitmap[0]&0x01);
     99 }
    100 
    101 void lib_aci_board_init(aci_state_t *aci_stat)
    102 {
    103     hal_aci_evt_t *aci_data = NULL;
    104     aci_data = (hal_aci_evt_t *)&msg_to_send;
    105 
    106     if (REDBEARLAB_SHIELD_V1_1 == aci_stat->aci_pins.board_name)
    107     {
    108       /*
    109       The Bluetooth low energy Arduino shield v1.1 requires about 100ms to reset.
    110       This is not required for the nRF2740, nRF2741 modules
    111       */
    112       usleep(100000);
    113 
    114       /*
    115       Send the soft reset command to the nRF8001 to get the nRF8001 to a known state.
    116       */
    117       lib_aci_radio_reset();
    118 
    119       while (1)
    120       {
    121         /*Wait for the command response of the radio reset command.
    122         as the nRF8001 will be in either SETUP or STANDBY after the ACI Reset Radio is processed
    123         */
    124 
    125 
    126         if (true == lib_aci_event_get(aci_stat, aci_data))
    127         {
    128           aci_evt_t * aci_evt;
    129           aci_evt = &(aci_data->evt);
    130 
    131           if (ACI_EVT_CMD_RSP == aci_evt->evt_opcode)
    132           {
    133                 if (ACI_STATUS_ERROR_DEVICE_STATE_INVALID == aci_evt->params.cmd_rsp.cmd_status) //in SETUP
    134                 {
    135                     //Inject a Device Started Event Setup to the ACI Event Queue
    136                     msg_to_send.buffer[0] = 4;    //Length
    137                     msg_to_send.buffer[1] = 0x81; //Device Started Event
    138                     msg_to_send.buffer[2] = 0x02; //Setup
    139                     msg_to_send.buffer[3] = 0;    //Hardware Error -> None
    140                     msg_to_send.buffer[4] = 2;    //Data Credit Available
    141                     aci_queue_enqueue(&aci_rx_q, &msg_to_send);
    142                 }
    143                 else if (ACI_STATUS_SUCCESS == aci_evt->params.cmd_rsp.cmd_status) //We are now in STANDBY
    144                 {
    145                     //Inject a Device Started Event Standby to the ACI Event Queue
    146                     msg_to_send.buffer[0] = 4;    //Length
    147                     msg_to_send.buffer[1] = 0x81; //Device Started Event
    148                     msg_to_send.buffer[2] = 0x03; //Standby
    149                     msg_to_send.buffer[3] = 0;    //Hardware Error -> None
    150                     msg_to_send.buffer[4] = 2;    //Data Credit Available
    151                     aci_queue_enqueue(&aci_rx_q, &msg_to_send);
    152                 }
    153                 else if (ACI_STATUS_ERROR_CMD_UNKNOWN == aci_evt->params.cmd_rsp.cmd_status) //We are now in TEST
    154                 {
    155                     //Inject a Device Started Event Test to the ACI Event Queue
    156                     msg_to_send.buffer[0] = 4;    //Length
    157                     msg_to_send.buffer[1] = 0x81; //Device Started Event
    158                     msg_to_send.buffer[2] = 0x01; //Test
    159                     msg_to_send.buffer[3] = 0;    //Hardware Error -> None
    160                     msg_to_send.buffer[4] = 0;    //Data Credit Available
    161                     aci_queue_enqueue(&aci_rx_q, &msg_to_send);
    162                 }
    163 
    164                 printf ("BREAK\n");
    165                 //Break out of the while loop
    166                 break;
    167           }
    168           else
    169           {
    170             //Serial.println(F("Discard any other ACI Events"));
    171           }
    172 
    173         }
    174       }
    175     }
    176 }
    177 
    178 
    179 void lib_aci_init(aci_state_t *aci_stat, bool debug)
    180 {
    181     uint8_t i;
    182 
    183     for (i = 0; i < PIPES_ARRAY_SIZE; i++) {
    184         aci_stat->pipes_open_bitmap[i]          = 0;
    185         aci_stat->pipes_closed_bitmap[i]        = 0;
    186         aci_cmd_params_open_adv_pipe.pipes[i]   = 0;
    187     }
    188 
    189     is_request_operation_pending     = false;
    190     is_indicate_operation_pending    = false;
    191     is_open_remote_pipe_pending      = false;
    192     is_close_remote_pipe_pending     = false;
    193 
    194     request_operation_pipe           = 0;
    195     indicate_operation_pipe          = 0;
    196 
    197     p_services_pipe_type_map = aci_stat->aci_setup_info.services_pipe_type_mapping;
    198     p_setup_msgs             = aci_stat->aci_setup_info.setup_msgs;
    199 
    200     hal_aci_tl_init (&aci_stat->aci_pins, debug);
    201     lib_aci_board_init (aci_stat);
    202 }
    203 
    204 
    205 uint8_t lib_aci_get_nb_available_credits(aci_state_t *aci_stat)
    206 {
    207   return aci_stat->data_credit_available;
    208 }
    209 
    210 uint16_t lib_aci_get_cx_interval_ms(aci_state_t *aci_stat)
    211 {
    212   uint32_t cx_rf_interval_ms_32bits;
    213   uint16_t cx_rf_interval_ms;
    214 
    215   cx_rf_interval_ms_32bits  = aci_stat->connection_interval;
    216   cx_rf_interval_ms_32bits *= 125;                      // the connection interval is given in multiples of 0.125 milliseconds
    217   cx_rf_interval_ms         = cx_rf_interval_ms_32bits / 100;
    218 
    219   return cx_rf_interval_ms;
    220 }
    221 
    222 
    223 uint16_t lib_aci_get_cx_interval(aci_state_t *aci_stat)
    224 {
    225   return aci_stat->connection_interval;
    226 }
    227 
    228 
    229 uint16_t lib_aci_get_slave_latency(aci_state_t *aci_stat)
    230 {
    231   return aci_stat->slave_latency;
    232 }
    233 
    234 
    235 bool lib_aci_set_app_latency(uint16_t latency, aci_app_latency_mode_t latency_mode)
    236 {
    237   aci_cmd_params_set_app_latency_t aci_set_app_latency;
    238 
    239   aci_set_app_latency.mode    = latency_mode;
    240   aci_set_app_latency.latency = latency;
    241   acil_encode_cmd_set_app_latency(&(msg_to_send.buffer[0]), &aci_set_app_latency);
    242 
    243   return hal_aci_tl_send(&msg_to_send);
    244 }
    245 
    246 
    247 bool lib_aci_test(aci_test_mode_change_t enter_exit_test_mode)
    248 {
    249   aci_cmd_params_test_t aci_cmd_params_test;
    250   aci_cmd_params_test.test_mode_change = enter_exit_test_mode;
    251   acil_encode_cmd_set_test_mode(&(msg_to_send.buffer[0]), &aci_cmd_params_test);
    252   return hal_aci_tl_send(&msg_to_send);
    253 }
    254 
    255 
    256 bool lib_aci_sleep()
    257 {
    258   acil_encode_cmd_sleep(&(msg_to_send.buffer[0]));
    259   return hal_aci_tl_send(&msg_to_send);
    260 }
    261 
    262 
    263 bool lib_aci_radio_reset()
    264 {
    265   acil_encode_baseband_reset(&(msg_to_send.buffer[0]));
    266   return hal_aci_tl_send(&msg_to_send);
    267 }
    268 
    269 
    270 bool lib_aci_direct_connect()
    271 {
    272   acil_encode_direct_connect(&(msg_to_send.buffer[0]));
    273   return hal_aci_tl_send(&msg_to_send);
    274 }
    275 
    276 
    277 bool lib_aci_device_version()
    278 {
    279   acil_encode_cmd_get_device_version(&(msg_to_send.buffer[0]));
    280   return hal_aci_tl_send(&msg_to_send);
    281 }
    282 
    283 
    284 bool lib_aci_set_local_data(aci_state_t *aci_stat, uint8_t pipe, uint8_t *p_value, uint8_t size)
    285 {
    286   aci_cmd_params_set_local_data_t aci_cmd_params_set_local_data;
    287 
    288   if ((p_services_pipe_type_map[pipe-1].location != ACI_STORE_LOCAL)
    289       ||
    290       (size > ACI_PIPE_TX_DATA_MAX_LEN))
    291   {
    292     return false;
    293   }
    294 
    295   aci_cmd_params_set_local_data.tx_data.pipe_number = pipe;
    296   memcpy(&(aci_cmd_params_set_local_data.tx_data.aci_data[0]), p_value, size);
    297   acil_encode_cmd_set_local_data(&(msg_to_send.buffer[0]), &aci_cmd_params_set_local_data, size);
    298   return hal_aci_tl_send(&msg_to_send);
    299 }
    300 
    301 bool lib_aci_connect(uint16_t run_timeout, uint16_t adv_interval)
    302 {
    303   aci_cmd_params_connect_t aci_cmd_params_connect;
    304   aci_cmd_params_connect.timeout      = run_timeout;
    305   aci_cmd_params_connect.adv_interval = adv_interval;
    306   acil_encode_cmd_connect(&(msg_to_send.buffer[0]), &aci_cmd_params_connect);
    307   return hal_aci_tl_send(&msg_to_send);
    308 }
    309 
    310 
    311 bool lib_aci_disconnect(aci_state_t *aci_stat, aci_disconnect_reason_t reason)
    312 {
    313   bool ret_val;
    314   uint8_t i;
    315   aci_cmd_params_disconnect_t aci_cmd_params_disconnect;
    316   aci_cmd_params_disconnect.reason = reason;
    317   acil_encode_cmd_disconnect(&(msg_to_send.buffer[0]), &aci_cmd_params_disconnect);
    318   ret_val = hal_aci_tl_send(&msg_to_send);
    319   // If we have actually sent the disconnect
    320   if (ret_val)
    321   {
    322     // Update pipes immediately so that while the disconnect is happening,
    323     // the application can't attempt sending another message
    324     // If the application sends another message before we updated this
    325     //    a ACI Pipe Error Event will be received from nRF8001
    326     for (i=0; i < PIPES_ARRAY_SIZE; i++)
    327     {
    328       aci_stat->pipes_open_bitmap[i] = 0;
    329       aci_stat->pipes_closed_bitmap[i] = 0;
    330     }
    331   }
    332   return ret_val;
    333 }
    334 
    335 
    336 bool lib_aci_bond(uint16_t run_timeout, uint16_t adv_interval)
    337 {
    338   aci_cmd_params_bond_t aci_cmd_params_bond;
    339   aci_cmd_params_bond.timeout = run_timeout;
    340   aci_cmd_params_bond.adv_interval = adv_interval;
    341   acil_encode_cmd_bond(&(msg_to_send.buffer[0]), &aci_cmd_params_bond);
    342   return hal_aci_tl_send(&msg_to_send);
    343 }
    344 
    345 
    346 bool lib_aci_wakeup()
    347 {
    348   acil_encode_cmd_wakeup(&(msg_to_send.buffer[0]));
    349   return hal_aci_tl_send(&msg_to_send);
    350 }
    351 
    352 
    353 bool lib_aci_set_tx_power(aci_device_output_power_t tx_power)
    354 {
    355   aci_cmd_params_set_tx_power_t aci_cmd_params_set_tx_power;
    356   aci_cmd_params_set_tx_power.device_power = tx_power;
    357   acil_encode_cmd_set_radio_tx_power(&(msg_to_send.buffer[0]), &aci_cmd_params_set_tx_power);
    358   return hal_aci_tl_send(&msg_to_send);
    359 }
    360 
    361 
    362 bool lib_aci_get_address()
    363 {
    364   acil_encode_cmd_get_address(&(msg_to_send.buffer[0]));
    365   return hal_aci_tl_send(&msg_to_send);
    366 }
    367 
    368 
    369 bool lib_aci_get_temperature()
    370 {
    371   acil_encode_cmd_temparature(&(msg_to_send.buffer[0]));
    372   return hal_aci_tl_send(&msg_to_send);
    373 }
    374 
    375 
    376 bool lib_aci_get_battery_level()
    377 {
    378   acil_encode_cmd_battery_level(&(msg_to_send.buffer[0]));
    379   return hal_aci_tl_send(&msg_to_send);
    380 }
    381 
    382 
    383 bool lib_aci_send_data(uint8_t pipe, uint8_t *p_value, uint8_t size)
    384 {
    385   bool ret_val = false;
    386   aci_cmd_params_send_data_t aci_cmd_params_send_data;
    387 
    388 
    389   if(!((p_services_pipe_type_map[pipe-1].pipe_type == ACI_TX) ||
    390       (p_services_pipe_type_map[pipe-1].pipe_type == ACI_TX_ACK)))
    391   {
    392     return false;
    393   }
    394 
    395   if (size > ACI_PIPE_TX_DATA_MAX_LEN)
    396   {
    397     return false;
    398   }
    399   {
    400       aci_cmd_params_send_data.tx_data.pipe_number = pipe;
    401       memcpy(&(aci_cmd_params_send_data.tx_data.aci_data[0]), p_value, size);
    402       acil_encode_cmd_send_data(&(msg_to_send.buffer[0]), &aci_cmd_params_send_data, size);
    403 
    404       ret_val = hal_aci_tl_send(&msg_to_send);
    405   }
    406   return ret_val;
    407 }
    408 
    409 
    410 bool lib_aci_request_data(aci_state_t *aci_stat, uint8_t pipe)
    411 {
    412   bool ret_val = false;
    413   aci_cmd_params_request_data_t aci_cmd_params_request_data;
    414 
    415   if(!((p_services_pipe_type_map[pipe-1].location == ACI_STORE_REMOTE)&&(p_services_pipe_type_map[pipe-1].pipe_type == ACI_RX_REQ)))
    416   {
    417     return false;
    418   }
    419 
    420 
    421   {
    422 
    423     {
    424 
    425 
    426 
    427       aci_cmd_params_request_data.pipe_number = pipe;
    428       acil_encode_cmd_request_data(&(msg_to_send.buffer[0]), &aci_cmd_params_request_data);
    429 
    430       ret_val = hal_aci_tl_send(&msg_to_send);
    431     }
    432   }
    433   return ret_val;
    434 }
    435 
    436 
    437 bool lib_aci_change_timing(uint16_t minimun_cx_interval, uint16_t maximum_cx_interval, uint16_t slave_latency, uint16_t timeout)
    438 {
    439   aci_cmd_params_change_timing_t aci_cmd_params_change_timing;
    440   aci_cmd_params_change_timing.conn_params.min_conn_interval = minimun_cx_interval;
    441   aci_cmd_params_change_timing.conn_params.max_conn_interval = maximum_cx_interval;
    442   aci_cmd_params_change_timing.conn_params.slave_latency     = slave_latency;
    443   aci_cmd_params_change_timing.conn_params.timeout_mult      = timeout;
    444   acil_encode_cmd_change_timing_req(&(msg_to_send.buffer[0]), &aci_cmd_params_change_timing);
    445   return hal_aci_tl_send(&msg_to_send);
    446 }
    447 
    448 
    449 bool lib_aci_change_timing_GAP_PPCP()
    450 {
    451   acil_encode_cmd_change_timing_req_GAP_PPCP(&(msg_to_send.buffer[0]));
    452   return hal_aci_tl_send(&msg_to_send);
    453 }
    454 
    455 
    456 bool lib_aci_open_remote_pipe(aci_state_t *aci_stat, uint8_t pipe)
    457 {
    458   bool ret_val = false;
    459   aci_cmd_params_open_remote_pipe_t aci_cmd_params_open_remote_pipe;
    460 
    461   if(!((p_services_pipe_type_map[pipe-1].location == ACI_STORE_REMOTE)&&
    462                 ((p_services_pipe_type_map[pipe-1].pipe_type == ACI_RX)||
    463                 (p_services_pipe_type_map[pipe-1].pipe_type == ACI_RX_ACK_AUTO)||
    464                 (p_services_pipe_type_map[pipe-1].pipe_type == ACI_RX_ACK))))
    465   {
    466     return false;
    467   }
    468 
    469 
    470   {
    471 
    472     is_request_operation_pending = true;
    473     is_open_remote_pipe_pending = true;
    474     request_operation_pipe = pipe;
    475     aci_cmd_params_open_remote_pipe.pipe_number = pipe;
    476     acil_encode_cmd_open_remote_pipe(&(msg_to_send.buffer[0]), &aci_cmd_params_open_remote_pipe);
    477     ret_val = hal_aci_tl_send(&msg_to_send);
    478   }
    479   return ret_val;
    480 }
    481 
    482 
    483 bool lib_aci_close_remote_pipe(aci_state_t *aci_stat, uint8_t pipe)
    484 {
    485   bool ret_val = false;
    486   aci_cmd_params_close_remote_pipe_t aci_cmd_params_close_remote_pipe;
    487 
    488   if(!((p_services_pipe_type_map[pipe-1].location == ACI_STORE_REMOTE)&&
    489         ((p_services_pipe_type_map[pipe-1].pipe_type == ACI_RX)||
    490          (p_services_pipe_type_map[pipe-1].pipe_type == ACI_RX_ACK_AUTO)||
    491          (p_services_pipe_type_map[pipe-1].pipe_type == ACI_RX_ACK))))
    492   {
    493     return false;
    494   }
    495 
    496 
    497   {
    498 
    499     is_request_operation_pending = true;
    500     is_close_remote_pipe_pending = true;
    501     request_operation_pipe = pipe;
    502     aci_cmd_params_close_remote_pipe.pipe_number = pipe;
    503     acil_encode_cmd_close_remote_pipe(&(msg_to_send.buffer[0]), &aci_cmd_params_close_remote_pipe);
    504     ret_val = hal_aci_tl_send(&msg_to_send);
    505   }
    506   return ret_val;
    507 }
    508 
    509 
    510 bool lib_aci_set_key(aci_key_type_t key_rsp_type, uint8_t *key, uint8_t len)
    511 {
    512   aci_cmd_params_set_key_t aci_cmd_params_set_key;
    513   aci_cmd_params_set_key.key_type = key_rsp_type;
    514   memcpy((uint8_t*)&(aci_cmd_params_set_key.key), key, len);
    515   acil_encode_cmd_set_key(&(msg_to_send.buffer[0]), &aci_cmd_params_set_key);
    516   return hal_aci_tl_send(&msg_to_send);
    517 }
    518 
    519 
    520 bool lib_aci_echo_msg(uint8_t msg_size, uint8_t *p_msg_data)
    521 {
    522   aci_cmd_params_echo_t aci_cmd_params_echo;
    523   if(msg_size > (ACI_ECHO_DATA_MAX_LEN))
    524   {
    525     return false;
    526   }
    527 
    528   if (msg_size > (ACI_ECHO_DATA_MAX_LEN))
    529   {
    530     msg_size = ACI_ECHO_DATA_MAX_LEN;
    531   }
    532 
    533   memcpy(&(aci_cmd_params_echo.echo_data[0]), p_msg_data, msg_size);
    534   acil_encode_cmd_echo_msg(&(msg_to_send.buffer[0]), &aci_cmd_params_echo, msg_size);
    535 
    536   return hal_aci_tl_send(&msg_to_send);
    537 }
    538 
    539 
    540 bool lib_aci_bond_request()
    541 {
    542   acil_encode_cmd_bond_security_request(&(msg_to_send.buffer[0]));
    543   return hal_aci_tl_send(&msg_to_send);
    544 }
    545 
    546 bool lib_aci_event_peek(hal_aci_evt_t *p_aci_evt_data)
    547 {
    548   return hal_aci_tl_event_peek((hal_aci_data_t *)p_aci_evt_data);
    549 }
    550 
    551 bool lib_aci_event_get(aci_state_t *aci_stat, hal_aci_evt_t *p_aci_evt_data)
    552 {
    553   bool status = false;
    554 
    555   status = hal_aci_tl_event_get((hal_aci_data_t *)p_aci_evt_data);
    556 
    557   /**
    558   Update the state of the ACI with the
    559   ACI Events -> Pipe Status, Disconnected, Connected, Bond Status, Pipe Error
    560   */
    561   if (true == status)
    562   {
    563     aci_evt_t * aci_evt;
    564 
    565     aci_evt = &p_aci_evt_data->evt;
    566 
    567     switch(aci_evt->evt_opcode)
    568     {
    569         case ACI_EVT_PIPE_STATUS:
    570             {
    571                 uint8_t i=0;
    572 
    573                 for (i=0; i < PIPES_ARRAY_SIZE; i++)
    574                 {
    575                   aci_stat->pipes_open_bitmap[i]   = aci_evt->params.pipe_status.pipes_open_bitmap[i];
    576                   aci_stat->pipes_closed_bitmap[i] = aci_evt->params.pipe_status.pipes_closed_bitmap[i];
    577                 }
    578             }
    579             break;
    580 
    581         case ACI_EVT_DISCONNECTED:
    582             {
    583                 uint8_t i=0;
    584 
    585                 for (i=0; i < PIPES_ARRAY_SIZE; i++)
    586                 {
    587                   aci_stat->pipes_open_bitmap[i] = 0;
    588                   aci_stat->pipes_closed_bitmap[i] = 0;
    589                 }
    590                 aci_stat->confirmation_pending = false;
    591                 aci_stat->data_credit_available = aci_stat->data_credit_total;
    592 
    593             }
    594             break;
    595 
    596         case ACI_EVT_TIMING:
    597                 aci_stat->connection_interval = aci_evt->params.timing.conn_rf_interval;
    598                 aci_stat->slave_latency       = aci_evt->params.timing.conn_slave_rf_latency;
    599                 aci_stat->supervision_timeout = aci_evt->params.timing.conn_rf_timeout;
    600             break;
    601 
    602         default:
    603             /* Need default case to avoid compiler warnings about missing enum
    604              * values on some platforms.
    605              */
    606             break;
    607 
    608 
    609 
    610     }
    611   }
    612   return status;
    613 }
    614 
    615 
    616 bool lib_aci_send_ack(aci_state_t *aci_stat, const uint8_t pipe)
    617 {
    618   bool ret_val = false;
    619   {
    620     acil_encode_cmd_send_data_ack(&(msg_to_send.buffer[0]), pipe);
    621 
    622     ret_val = hal_aci_tl_send(&msg_to_send);
    623   }
    624   return ret_val;
    625 }
    626 
    627 
    628 bool lib_aci_send_nack(aci_state_t *aci_stat, const uint8_t pipe, const uint8_t error_code)
    629 {
    630   bool ret_val = false;
    631 
    632   {
    633 
    634     acil_encode_cmd_send_data_nack(&(msg_to_send.buffer[0]), pipe, error_code);
    635     ret_val = hal_aci_tl_send(&msg_to_send);
    636   }
    637   return ret_val;
    638 }
    639 
    640 
    641 bool lib_aci_broadcast(const uint16_t timeout, const uint16_t adv_interval)
    642 {
    643   aci_cmd_params_broadcast_t aci_cmd_params_broadcast;
    644   if (timeout > 16383)
    645   {
    646     return false;
    647   }
    648 
    649   // The adv_interval should be between 160 and 16384 (which translates to the advertisement
    650   // interval values 100 ms and 10.24 s.
    651   if ((160 > adv_interval) || (adv_interval > 16384))
    652   {
    653     return false;
    654   }
    655 
    656   aci_cmd_params_broadcast.timeout = timeout;
    657   aci_cmd_params_broadcast.adv_interval = adv_interval;
    658   acil_encode_cmd_broadcast(&(msg_to_send.buffer[0]), &aci_cmd_params_broadcast);
    659   return hal_aci_tl_send(&msg_to_send);
    660 }
    661 
    662 
    663 bool lib_aci_open_adv_pipes(const uint8_t * const adv_service_data_pipes)
    664 {
    665   uint8_t i;
    666 
    667   for (i = 0; i < PIPES_ARRAY_SIZE; i++)
    668   {
    669     aci_cmd_params_open_adv_pipe.pipes[i] = adv_service_data_pipes[i];
    670   }
    671 
    672   acil_encode_cmd_open_adv_pipes(&(msg_to_send.buffer[0]), &aci_cmd_params_open_adv_pipe);
    673   return hal_aci_tl_send(&msg_to_send);
    674 }
    675 
    676 bool lib_aci_open_adv_pipe(const uint8_t pipe)
    677 {
    678   uint8_t byte_idx = pipe / 8;
    679 
    680   aci_cmd_params_open_adv_pipe.pipes[byte_idx] |= (0x01 << (pipe % 8));
    681   acil_encode_cmd_open_adv_pipes(&(msg_to_send.buffer[0]), &aci_cmd_params_open_adv_pipe);
    682   return hal_aci_tl_send(&msg_to_send);
    683 }
    684 
    685 
    686 bool lib_aci_read_dynamic_data()
    687 {
    688   acil_encode_cmd_read_dynamic_data(&(msg_to_send.buffer[0]));
    689   return hal_aci_tl_send(&msg_to_send);
    690 }
    691 
    692 
    693 bool lib_aci_write_dynamic_data(uint8_t sequence_number, uint8_t* dynamic_data, uint8_t length)
    694 {
    695   acil_encode_cmd_write_dynamic_data(&(msg_to_send.buffer[0]), sequence_number, dynamic_data, length);
    696   return hal_aci_tl_send(&msg_to_send);
    697 }
    698 
    699 bool lib_aci_dtm_command(uint8_t dtm_command_msbyte, uint8_t dtm_command_lsbyte)
    700 {
    701   aci_cmd_params_dtm_cmd_t aci_cmd_params_dtm_cmd;
    702   aci_cmd_params_dtm_cmd.cmd_msb = dtm_command_msbyte;
    703   aci_cmd_params_dtm_cmd.cmd_lsb = dtm_command_lsbyte;
    704   acil_encode_cmd_dtm_cmd(&(msg_to_send.buffer[0]), &aci_cmd_params_dtm_cmd);
    705   return hal_aci_tl_send(&msg_to_send);
    706 }
    707 
    708 void lib_aci_flush(void)
    709 {
    710   hal_aci_tl_q_flush();
    711 }
    712 
    713 void lib_aci_debug_print(bool enable)
    714 {
    715   hal_aci_tl_debug_print(enable);
    716 
    717 }
    718 
    719 void lib_aci_pin_reset(void)
    720 {
    721     hal_aci_tl_pin_reset();
    722 }
    723 
    724 bool lib_aci_event_queue_empty(void)
    725 {
    726   return hal_aci_tl_rx_q_empty();
    727 }
    728 
    729 bool lib_aci_event_queue_full(void)
    730 {
    731   return hal_aci_tl_rx_q_full();
    732 }
    733 
    734 bool lib_aci_command_queue_empty(void)
    735 {
    736   return hal_aci_tl_tx_q_empty();
    737 }
    738 
    739 bool lib_aci_command_queue_full(void)
    740 {
    741   return hal_aci_tl_tx_q_full();
    742 }
    743