1 /* 2 * Copyright (C) 2020 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 HID_HOST_H 39 #define HID_HOST_H 40 41 #include <stdint.h> 42 #include "btstack_defines.h" 43 #include "bluetooth.h" 44 #include "btstack_hid_parser.h" 45 #include "classic/hid.h" 46 47 #if defined __cplusplus 48 extern "C" { 49 #endif 50 51 /* API_START */ 52 /** 53 * @brief Set up HID Host 54 * @param boot_protocol_mode_supported 55 * @param hid_descriptor_storage 56 * @param hid_descriptor_storage_len 57 */ 58 void hid_host_init(const uint8_t * hid_descriptor_storage, uint16_t hid_descriptor_storage_len); 59 60 /** 61 * @brief Register callback for the HID Device Host. 62 * @param callback 63 */ 64 void hid_host_register_packet_handler(btstack_packet_handler_t callback); 65 66 /* 67 * @brief Create HID connection to HID Host 68 * @param addr 69 * @param hid_cid to use for other commands 70 * @result status 71 */ 72 uint8_t hid_host_connect(bd_addr_t addr, hid_protocol_mode_t protocol_mode, uint16_t * hid_cid); 73 74 /* 75 * @brief Disconnect from HID Host 76 * @param hid_cid 77 */ 78 void hid_host_disconnect(uint16_t hid_cid); 79 80 /** 81 * @brief Request can send now event to send HID Report 82 * Generates an HID_SUBEVENT_CAN_SEND_NOW subevent 83 * @param hid_cid 84 */ 85 void hid_host_request_can_send_now_event(uint16_t hid_cid); 86 87 /** 88 * @brief Send HID message on interrupt channel 89 * @param hid_cid 90 */ 91 void hid_host_send_interrupt_message(uint16_t hid_cid, const uint8_t * message, uint16_t message_len); 92 93 /** 94 * @brief Send HID message on control channel 95 * @param hid_cid 96 */ 97 void hid_host_send_control_message(uint16_t hid_cid, const uint8_t * message, uint16_t message_len); 98 99 100 101 /* API_END */ 102 103 104 #if defined __cplusplus 105 } 106 #endif 107 108 #endif 109