1 /* 2 * Copyright (C) 2014 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 // ***************************************************************************** 39 // 40 // HFP BTstack Mocks 41 // 42 // ***************************************************************************** 43 44 #include <stdint.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 49 #include "hci.h" 50 #include "hci_dump.h" 51 #include "classic/sdp_client_rfcomm.h" 52 #include "classic/rfcomm.h" 53 #include "classic/hfp_hf.h" 54 55 #include "mock.h" 56 57 static uint8_t sdp_rfcomm_channel_nr = 1; 58 const char sdp_rfcomm_service_name[] = "BTstackMock"; 59 static uint16_t rfcomm_cid = 1; 60 static bd_addr_t dev_addr; 61 static uint16_t sco_handle = 10; 62 static uint8_t rfcomm_payload[1000]; 63 static uint16_t rfcomm_payload_len = 0; 64 65 static uint8_t outgoing_rfcomm_payload[1000]; 66 static uint16_t outgoing_rfcomm_payload_len = 0; 67 68 static uint8_t rfcomm_reserved_buffer[1000]; 69 70 hfp_connection_t * hfp_context; 71 72 void (*registered_hci_packet_handler)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 73 void (*registered_rfcomm_packet_handler)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 74 void (*registered_sdp_app_callback)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 75 76 uint8_t * get_rfcomm_payload(void){ 77 return &rfcomm_payload[0]; 78 } 79 80 uint16_t get_rfcomm_payload_len(void){ 81 return rfcomm_payload_len; 82 } 83 84 static int hfp_command_start_index = 0; 85 86 87 int has_more_hfp_commands(int start_command_offset, int end_command_offset){ 88 int has_cmd = get_rfcomm_payload_len() - hfp_command_start_index >= 2 + start_command_offset + end_command_offset; 89 //printf("has more: payload len %d, start %d, has more %d\n", get_rfcomm_payload_len(), hfp_command_start_index, has_cmd); 90 return has_cmd; 91 } 92 93 char * get_next_hfp_command(int start_command_offset, int end_command_offset){ 94 //printf("get next: payload len %d, start %d\n", get_rfcomm_payload_len(), hfp_command_start_index); 95 char * data = (char *)(&get_rfcomm_payload()[hfp_command_start_index + start_command_offset]); 96 int data_len = get_rfcomm_payload_len() - hfp_command_start_index - start_command_offset; 97 98 int i; 99 100 for (i = 0; i < data_len; i++){ 101 if ( *(data+i) == '\r' || *(data+i) == '\n' ) { 102 data[i]=0; 103 // update state 104 //printf("!!! command %s\n", data); 105 hfp_command_start_index = hfp_command_start_index + i + start_command_offset + end_command_offset; 106 return data; 107 } 108 } 109 printf("should not got here\n"); 110 return NULL; 111 } 112 113 void print_without_newlines(uint8_t *data, uint16_t len); 114 void print_without_newlines(uint8_t *data, uint16_t len){ 115 int found_newline = 0; 116 int found_item = 0; 117 118 for (int i=0; i<len; i++){ 119 if (data[i] == '\r' || data[i] == '\n'){ 120 if (!found_newline && found_item) printf("\n"); 121 found_newline = 1; 122 } else { 123 printf("%c", data[i]); 124 found_newline = 0; 125 found_item = 1; 126 } 127 } 128 printf("\n"); 129 } 130 131 extern "C" void l2cap_init(void){} 132 extern "C" void hci_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 133 registered_hci_packet_handler = callback_handler->callback; 134 } 135 136 int rfcomm_send(uint16_t rfcomm_cid, uint8_t *data, uint16_t len){ 137 138 // printf("mock: rfcomm send: "); 139 print_without_newlines(data, len); 140 141 int start_command_offset = 2; 142 int end_command_offset = 2; 143 144 if (strncmp((char*)data, "AT", 2) == 0){ 145 start_command_offset = 0; 146 } 147 148 if (has_more_hfp_commands(start_command_offset, end_command_offset)){ 149 //printf("Buffer response: "); 150 strncpy((char*)&rfcomm_payload[rfcomm_payload_len], (char*)data, len); 151 rfcomm_payload_len += len; 152 } else { 153 hfp_command_start_index = 0; 154 //printf("Copy response: "); 155 strncpy((char*)&rfcomm_payload[0], (char*)data, len); 156 rfcomm_payload_len = len; 157 } 158 159 // print_without_newlines(rfcomm_payload,rfcomm_payload_len); 160 return 0; 161 } 162 163 void rfcomm_request_can_send_now_event(uint16_t rfcomm_cid){ 164 165 // printf("mock: rfcomm_request_can_send_now_event\n"); 166 167 uint8_t event[] = { RFCOMM_EVENT_CAN_SEND_NOW, 2, 0, 0}; 168 little_endian_store_16(event, 2, rfcomm_cid); 169 registered_rfcomm_packet_handler(HCI_EVENT_PACKET, 0, event, sizeof(event)); 170 } 171 172 int rfcomm_reserve_packet_buffer(void){ 173 // printf("mock: rfcomm_reserve_packet_buffer\n"); 174 return 1; 175 }; 176 void rfcomm_release_packet_buffer(void){}; 177 uint8_t * rfcomm_get_outgoing_buffer(void) { 178 return rfcomm_reserved_buffer; 179 } 180 uint16_t rfcomm_get_max_frame_size(uint16_t rfcomm_cid){ 181 return sizeof(rfcomm_reserved_buffer); 182 } 183 int rfcomm_send_prepared(uint16_t rfcomm_cid, uint16_t len){ 184 // printf("--- rfcomm_send_prepared with len %u ---\n", len); 185 return rfcomm_send(rfcomm_cid, rfcomm_reserved_buffer, len); 186 } 187 188 static void hci_event_sco_complete(void){ 189 uint8_t event[19]; 190 uint8_t pos = 0; 191 event[pos++] = HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE; 192 event[pos++] = sizeof(event) - 2; 193 194 event[pos++] = 0; //status 195 little_endian_store_16(event, pos, sco_handle); pos += 2; // sco handle 196 reverse_bd_addr(dev_addr, &event[pos]); pos += 6; 197 198 event[pos++] = 0; // link_type 199 event[pos++] = 0; // transmission_interval 200 event[pos++] = 0; // retransmission_interval 201 202 little_endian_store_16(event, pos, 0); pos += 2; // rx_packet_length 203 little_endian_store_16(event, pos, 0); pos += 2; // tx_packet_length 204 205 event[pos++] = 0; // air_mode 206 (*registered_hci_packet_handler)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 207 } 208 209 int hci_send_cmd(const hci_cmd_t *cmd, ...){ 210 //printf("hci_send_cmd opcode 0x%02x\n", cmd->opcode); 211 if (cmd->opcode == 0x428){ 212 hci_event_sco_complete(); 213 } 214 return 0; 215 } 216 217 int hci_can_send_command_packet_now(void){ 218 return 1; 219 } 220 221 static void sdp_query_complete_response(uint8_t status){ 222 uint8_t event[3]; 223 event[0] = SDP_EVENT_QUERY_COMPLETE; 224 event[1] = 1; 225 event[2] = status; 226 (*registered_sdp_app_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 227 } 228 229 static void sdp_client_query_rfcomm_service_response(uint8_t status){ 230 int sdp_service_name_len = strlen(sdp_rfcomm_service_name); 231 uint8_t event[3+SDP_SERVICE_NAME_LEN+1]; 232 event[0] = SDP_EVENT_QUERY_RFCOMM_SERVICE; 233 event[1] = sdp_service_name_len + 1; 234 event[2] = sdp_rfcomm_channel_nr; 235 memcpy(&event[3], sdp_rfcomm_service_name, sdp_service_name_len); 236 event[3+sdp_service_name_len] = 0; 237 (*registered_sdp_app_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 238 } 239 240 uint8_t sdp_client_query_rfcomm_channel_and_name_for_uuid(btstack_packet_handler_t callback, bd_addr_t remote, uint16_t uuid){ 241 // printf("sdp_client_query_rfcomm_channel_and_name_for_uuid %p\n", registered_sdp_app_callback); 242 registered_sdp_app_callback = callback; 243 sdp_client_query_rfcomm_service_response(0); 244 sdp_query_complete_response(0); 245 return 0; 246 } 247 248 249 uint8_t rfcomm_create_channel(btstack_packet_handler_t handler, bd_addr_t addr, uint8_t channel, uint16_t * out_cid){ 250 251 // printf("mock: rfcomm_create_channel addr %s\n", bd_addr_to_str(addr)); 252 253 registered_rfcomm_packet_handler = handler; 254 255 // RFCOMM_EVENT_CHANNEL_OPENED 256 uint8_t event[16]; 257 uint8_t pos = 0; 258 event[pos++] = RFCOMM_EVENT_CHANNEL_OPENED; 259 event[pos++] = sizeof(event) - 2; 260 event[pos++] = 0; 261 262 reverse_bd_addr(addr, &event[pos]); 263 memcpy(dev_addr, addr, 6); 264 pos += 6; 265 266 little_endian_store_16(event, pos, 1); pos += 2; 267 event[pos++] = 0; 268 269 little_endian_store_16(event, pos, rfcomm_cid); pos += 2; // channel ID 270 little_endian_store_16(event, pos, 200); pos += 2; // max frame size 271 (*registered_rfcomm_packet_handler)(HCI_EVENT_PACKET, 0, (uint8_t *) event, pos); 272 273 if (out_cid){ 274 *out_cid = rfcomm_cid; 275 } 276 return 0; 277 } 278 279 int rfcomm_can_send_packet_now(uint16_t rfcomm_cid){ 280 // printf("mock: rfcomm_can_send_packet_now\n"); 281 return 1; 282 } 283 284 void rfcomm_disconnect(uint16_t rfcomm_cid){ 285 uint8_t event[4]; 286 event[0] = RFCOMM_EVENT_CHANNEL_CLOSED; 287 event[1] = sizeof(event) - 2; 288 little_endian_store_16(event, 2, rfcomm_cid); 289 (*registered_rfcomm_packet_handler)(HCI_EVENT_PACKET, 0, (uint8_t *) event, sizeof(event)); 290 } 291 292 uint8_t rfcomm_register_service(btstack_packet_handler_t handler, uint8_t channel, uint16_t max_frame_size){ 293 // printf("rfcomm_register_service\n"); 294 registered_rfcomm_packet_handler = handler; 295 return 0; 296 } 297 298 299 void sdp_client_query_rfcomm_channel_and_name_for_search_pattern(bd_addr_t remote, uint8_t * des_serviceSearchPattern){ 300 // printf("sdp_client_query_rfcomm_channel_and_name_for_search_pattern\n"); 301 } 302 303 304 void rfcomm_accept_connection(uint16_t rfcomm_cid){ 305 // printf("rfcomm_accept_connection \n"); 306 } 307 308 void rfcomm_decline_connection(uint16_t rfcomm_cid){ 309 // printf("rfcomm_accept_connection \n"); 310 } 311 312 void btstack_run_loop_add_timer(btstack_timer_source_t *timer){ 313 } 314 315 int btstack_run_loop_remove_timer(btstack_timer_source_t *timer){ 316 return 0; 317 } 318 void btstack_run_loop_set_timer_handler(btstack_timer_source_t *ts, void (*process)(btstack_timer_source_t *_ts)){ 319 } 320 321 void btstack_run_loop_set_timer(btstack_timer_source_t *a, uint32_t timeout_in_ms){ 322 } 323 324 325 void hci_emit_disconnection_complete(uint16_t handle, uint8_t reason){ 326 uint8_t event[6]; 327 event[0] = HCI_EVENT_DISCONNECTION_COMPLETE; 328 event[1] = sizeof(event) - 2; 329 event[2] = 0; // status = OK 330 little_endian_store_16(event, 3, handle); 331 event[5] = reason; 332 (*registered_hci_packet_handler)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 333 } 334 335 uint8_t gap_disconnect(hci_con_handle_t handle){ 336 hci_emit_disconnection_complete(handle, 0); 337 return 0; 338 } 339 340 uint16_t hci_get_sco_voice_setting(void){ 341 return 0x40; 342 } 343 344 int hci_remote_esco_supported(hci_con_handle_t handle){ 345 return 0; 346 } 347 348 static void add_new_lines_to_hfp_command(uint8_t * data, int len){ 349 if (len <= 0) return; 350 memset(&outgoing_rfcomm_payload, 0, 200); 351 int pos = 0; 352 353 if (strncmp((char*)data, "AT", 2) == 0){ 354 strncpy((char*)&outgoing_rfcomm_payload[pos], (char*)data, len); 355 pos += len; 356 } else { 357 outgoing_rfcomm_payload[pos++] = '\r'; 358 outgoing_rfcomm_payload[pos++] = '\n'; 359 strncpy((char*)&outgoing_rfcomm_payload[pos], (char*)data, len); 360 pos += len; 361 } 362 outgoing_rfcomm_payload[pos++] = '\r'; 363 outgoing_rfcomm_payload[pos++] = '\n'; 364 outgoing_rfcomm_payload[pos] = 0; 365 outgoing_rfcomm_payload_len = pos; 366 } 367 368 void inject_hfp_command_to_hf(uint8_t * data, int len){ 369 if (memcmp((char*)data, "AT", 2) == 0) return; 370 add_new_lines_to_hfp_command(data, len); 371 // printf("inject_hfp_command_to_hf to HF: "); 372 // print_without_newlines(outgoing_rfcomm_payload,outgoing_rfcomm_payload_len); 373 (*registered_rfcomm_packet_handler)(RFCOMM_DATA_PACKET, rfcomm_cid, (uint8_t *) &outgoing_rfcomm_payload[0], outgoing_rfcomm_payload_len); 374 375 } 376 377 void inject_hfp_command_to_ag(uint8_t * data, int len){ 378 if (data[0] == '+') return; 379 380 add_new_lines_to_hfp_command(data, len); 381 382 // printf("mock: inject command to ag: "); 383 // print_without_newlines(data, len); 384 385 (*registered_rfcomm_packet_handler)(RFCOMM_DATA_PACKET, rfcomm_cid, (uint8_t *) &outgoing_rfcomm_payload[0], outgoing_rfcomm_payload_len); 386 } 387 388 389 int hci_extended_sco_link_supported(void){ 390 return 1; 391 } 392