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 BLUEKITCHEN 24 * GMBH 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 * l2cap_signaling.h 40 * 41 */ 42 43 #ifndef L2CAP_SIGNALING_H 44 #define L2CAP_SIGNALING_H 45 46 #include <stdint.h> 47 #include <stdarg.h> 48 #include "btstack_util.h" 49 #include "hci_cmd.h" 50 51 #if defined __cplusplus 52 extern "C" { 53 #endif 54 55 typedef enum { 56 COMMAND_REJECT = 1, 57 CONNECTION_REQUEST, 58 CONNECTION_RESPONSE, 59 CONFIGURE_REQUEST, 60 CONFIGURE_RESPONSE, 61 DISCONNECTION_REQUEST, 62 DISCONNECTION_RESPONSE, 63 ECHO_REQUEST, 64 ECHO_RESPONSE, 65 INFORMATION_REQUEST, 66 INFORMATION_RESPONSE, 67 /* 0x0c - 0x11 used for AMP */ 68 CONNECTION_PARAMETER_UPDATE_REQUEST = 0x12, 69 CONNECTION_PARAMETER_UPDATE_RESPONSE, 70 LE_CREDIT_BASED_CONNECTION_REQUEST, 71 LE_CREDIT_BASED_CONNECTION_RESPONSE, 72 L2CAP_FLOW_CONTROL_CREDIT_INDICATION, 73 L2CAP_CREDIT_BASED_CONNECTION_REQUEST, 74 L2CAP_CREDIT_BASED_CONNECTION_RESPONSE, 75 L2CAP_CREDIT_BASED_RECONFIGURE_REQUEST, 76 L2CAP_CREDIT_BASED_RECONFIGURE_RESPONSE, 77 #ifdef UNIT_TEST 78 COMMAND_WITH_INVALID_FORMAT, 79 #endif 80 // internal to BTstack 81 SM_PAIRING_FAILED = 0x1E, 82 COMMAND_REJECT_LE = 0x1F 83 } L2CAP_SIGNALING_COMMANDS; 84 85 typedef enum { 86 L2CAP_CHANNEL_MODE_BASIC = 0, 87 L2CAP_CHANNEL_MODE_RETRANSMISSION = 1, 88 L2CAP_CHANNEL_MODE_FLOW_CONTROL = 2, 89 L2CAP_CHANNEL_MODE_ENHANCED_RETRANSMISSION = 3, 90 L2CAP_CHANNEL_MODE_STREAMING_MODE = 4, 91 } l2cap_channel_mode_t; 92 93 /** 94 * @brief Create L2CAP signaling packet based on template and va_args 95 * @param acl_buffer to create packet 96 * @param handle 97 * @param pb_flags 98 * @param cid 99 * @param cmd 100 * @param identifier 101 * @param argptr 102 * @return 103 */ 104 uint16_t l2cap_create_signaling_packet(uint8_t * acl_buffer, hci_con_handle_t handle, uint8_t pb_flags, uint16_t cid, L2CAP_SIGNALING_COMMANDS cmd, uint8_t identifier, va_list argptr); 105 106 #if defined __cplusplus 107 } 108 #endif 109 110 #endif // L2CAP_SIGNALING_H 111