368 lines
16 KiB
C
368 lines
16 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2005-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#ifndef _ESP_BT_HH_API_H_
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#define _ESP_BT_HH_API_H_
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#include "esp_err.h"
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#include "esp_bt_defs.h"
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/*****************************************************************************
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** Constants and Type Definitions
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*****************************************************************************/
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#ifndef BTA_HH_DEBUG
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#define BTA_HH_DEBUG TRUE
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#endif
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#ifndef BTA_HH_SSR_MAX_LATENCY_DEF
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#define BTA_HH_SSR_MAX_LATENCY_DEF 800 /* 500 ms*/
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#endif
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#ifndef BTA_HH_SSR_MIN_TOUT_DEF
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#define BTA_HH_SSR_MIN_TOUT_DEF 2
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#endif
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/* defined the minimum offset */
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#define BTA_HH_MIN_OFFSET L2CAP_MIN_OFFSET+1
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/* HID_HOST_MAX_DEVICES can not exceed 15 for th design of BTA HH */
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#define BTA_HH_IDX_INVALID 0xff
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#define BTA_HH_MAX_KNOWN HID_HOST_MAX_DEVICES
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/* Security Service Levels [bit mask] (BTM_SetSecurityLevel)
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** Encryption should not be used without authentication
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*/
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#define BTM_SEC_NONE 0x0000 /* Nothing required */
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#define BTM_SEC_IN_AUTHORIZE 0x0001 /* Inbound call requires authorization */
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#define BTM_SEC_IN_AUTHENTICATE 0x0002 /* Inbound call requires authentication */
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#define BTM_SEC_IN_ENCRYPT 0x0004 /* Inbound call requires encryption */
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#define BTM_SEC_OUT_AUTHORIZE 0x0008 /* Outbound call requires authorization */
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#define BTM_SEC_OUT_AUTHENTICATE 0x0010 /* Outbound call requires authentication */
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#define BTM_SEC_OUT_ENCRYPT 0x0020 /* Outbound call requires encryption */
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#define BTM_SEC_MODE4_LEVEL4 0x0040 /* Secure Connections Only Mode */
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#define BTM_SEC_FORCE_MASTER 0x0100 /* Need to switch connection to be master */
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#define BTM_SEC_ATTEMPT_MASTER 0x0200 /* Try to switch connection to be master */
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#define BTM_SEC_FORCE_SLAVE 0x0400 /* Need to switch connection to be master */
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#define BTM_SEC_ATTEMPT_SLAVE 0x0800 /* Try to switch connection to be slave */
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#define BTM_SEC_IN_MITM 0x1000 /* inbound Do man in the middle protection */
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#define BTM_SEC_OUT_MITM 0x2000 /* outbound Do man in the middle protection */
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#define BTM_SEC_IN_MIN_16_DIGIT_PIN 0x4000 /* enforce a minimum of 16 digit for sec mode 2 */
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/* Security Setting Mask */
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#define BTA_SEC_NONE BTM_SEC_NONE /* No security. */
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#define BTA_SEC_AUTHORIZE (BTM_SEC_IN_AUTHORIZE ) /* Authorization required (only needed for out going connection )*/
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#define BTA_SEC_AUTHENTICATE (BTM_SEC_IN_AUTHENTICATE | BTM_SEC_OUT_AUTHENTICATE) /* Authentication required. */
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#define BTA_SEC_ENCRYPT (BTM_SEC_IN_ENCRYPT | BTM_SEC_OUT_ENCRYPT) /* Encryption required. */
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#define BTA_SEC_MODE4_LEVEL4 (BTM_SEC_MODE4_LEVEL4) /* Mode 4 level 4 service, i.e. incoming/outgoing MITM and P-256 encryption */
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#define BTA_SEC_MITM (BTM_SEC_IN_MITM | BTM_SEC_OUT_MITM) /* Man-In-The_Middle protection */
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#define BTA_SEC_IN_16_DIGITS (BTM_SEC_IN_MIN_16_DIGIT_PIN) /* Min 16 digit for pin code */
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#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
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/* GATT_MAX_PHY_CHANNEL can not exceed 14 for the design of BTA HH */
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#define BTA_HH_LE_MAX_KNOWN GATT_MAX_PHY_CHANNEL
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#define BTA_HH_MAX_DEVICE (HID_HOST_MAX_DEVICES + GATT_MAX_PHY_CHANNEL)
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#else
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#define BTA_HH_MAX_DEVICE HID_HOST_MAX_DEVICES
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#endif
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/* invalid device handle */
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#define BTA_HH_INVALID_HANDLE 0xff
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#define BTA_HH_SSR_PARAM_INVALID HID_SSR_PARAM_INVALID
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/* id DI is not existing in remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be set to 0xffff */
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#define BTA_HH_VENDOR_ID_INVALID 0xffff
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/* application ID(none-zero) for each type of device */
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#define BTA_HH_APP_ID_MI 1
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#define BTA_HH_APP_ID_KB 2
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#define BTA_HH_APP_ID_RMC 3
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#define BTA_HH_APP_ID_3DSG 4
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#define BTA_HH_APP_ID_JOY 5
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#define BTA_HH_APP_ID_GPAD 6
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#define BTA_HH_APP_ID_LE 0xff
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/* type of devices, bit mask */
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#define BTA_HH_DEVT_UNKNOWN 0x00
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#define BTA_HH_DEVT_JOS 0x01 /* joy stick */
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#define BTA_HH_DEVT_GPD 0x02 /* game pad */
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#define BTA_HH_DEVT_RMC 0x03 /* remote control */
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#define BTA_HH_DEVT_SED 0x04 /* sensing device */
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#define BTA_HH_DEVT_DGT 0x05 /* Digitizer tablet */
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#define BTA_HH_DEVT_CDR 0x06 /* card reader */
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#define BTA_HH_DEVT_KBD 0x10 /* keyboard */
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#define BTA_HH_DEVT_MIC 0x20 /* pointing device */
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#define BTA_HH_DEVT_COM 0x30 /* Combo keyboard/pointing */
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#define BTA_HH_DEVT_OTHER 0x80
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typedef uint8_t tBTA_HH_DEVT;
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/* BTA HID Host callback events */
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#define BTA_HH_ENABLE_EVT 0 /* HH enabled */
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#define BTA_HH_DISABLE_EVT 1 /* HH disabled */
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#define BTA_HH_OPEN_EVT 2 /* connection opened */
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#define BTA_HH_CLOSE_EVT 3 /* connection closed */
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#define BTA_HH_GET_RPT_EVT 4 /* BTA_HhGetReport callback */
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#define BTA_HH_SET_RPT_EVT 5 /* BTA_HhSetReport callback */
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#define BTA_HH_GET_PROTO_EVT 6 /* BTA_GetProtoMode callback */
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#define BTA_HH_SET_PROTO_EVT 7 /* BTA_HhSetProtoMode callback */
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#define BTA_HH_GET_IDLE_EVT 8 /* BTA_HhGetIdle comes callback */
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#define BTA_HH_SET_IDLE_EVT 9 /* BTA_HhSetIdle finish callback */
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#define BTA_HH_GET_DSCP_EVT 10 /* Get report descriptor */
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#define BTA_HH_ADD_DEV_EVT 11 /* Add Device callback */
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#define BTA_HH_RMV_DEV_EVT 12 /* remove device finished */
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#define BTA_HH_VC_UNPLUG_EVT 13 /* virtually unplugged */
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#define BTA_HH_DATA_EVT 15
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#define BTA_HH_API_ERR_EVT 16 /* API error is caught */
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#define BTA_HH_UPDATE_SCPP_EVT 17 /* update scan paramter complete */
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typedef uint16_t tBTA_HH_EVT;
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/* type of protocol mode */
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#define BTA_HH_PROTO_RPT_MODE (0x00)
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#define BTA_HH_PROTO_BOOT_MODE (0x01)
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#define BTA_HH_PROTO_UNKNOWN (0xff)
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typedef uint8_t tBTA_HH_PROTO_MODE;
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#define BTA_HH_VIRTUAL_CABLE HID_VIRTUAL_CABLE
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#define BTA_HH_NORMALLY_CONNECTABLE HID_NORMALLY_CONNECTABLE
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#define BTA_HH_RECONN_INIT HID_RECONN_INIT
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#define BTA_HH_SDP_DISABLE HID_SDP_DISABLE
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#define BTA_HH_BATTERY_POWER HID_BATTERY_POWER
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#define BTA_HH_REMOTE_WAKE HID_REMOTE_WAKE
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#define BTA_HH_SUP_TOUT_AVLBL HID_SUP_TOUT_AVLBL
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#define BTA_HH_SEC_REQUIRED HID_SEC_REQUIRED
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typedef uint16_t tBTA_HH_ATTR_MASK;
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enum {
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BTA_HH_OK,
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BTA_HH_HS_HID_NOT_READY, /* handshake error : device not ready */
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BTA_HH_HS_INVALID_RPT_ID, /* handshake error : invalid report ID */
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BTA_HH_HS_TRANS_NOT_SPT, /* handshake error : transaction not spt */
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BTA_HH_HS_INVALID_PARAM, /* handshake error : invalid paremter */
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BTA_HH_HS_ERROR, /* handshake error : unspecified HS error */
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BTA_HH_ERR, /* general BTA HH error */
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BTA_HH_ERR_SDP, /* SDP error */
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BTA_HH_ERR_PROTO, /* SET_Protocol error, only used in BTA_HH_OPEN_EVT callback */
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BTA_HH_ERR_DB_FULL, /* device database full error, used in BTA_HH_OPEN_EVT/BTA_HH_ADD_DEV_EVT */
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BTA_HH_ERR_TOD_UNSPT, /* type of device not supported */
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BTA_HH_ERR_NO_RES, /* out of system resources */
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BTA_HH_ERR_AUTH_FAILED, /* authentication fail */
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BTA_HH_ERR_HDL,
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BTA_HH_ERR_SEC
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};
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typedef uint8_t tBTA_HH_STATUS;
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enum {
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BTA_HH_RPTT_RESRV, /* reserved */
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BTA_HH_RPTT_INPUT, /* input report */
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BTA_HH_RPTT_OUTPUT, /* output report */
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BTA_HH_RPTT_FEATURE /* feature report */
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};
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typedef uint8_t tBTA_HH_RPT_TYPE;
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/* HID_CONTROL operation code used in BTA_HhSendCtrl()
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*/
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enum {
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BTA_HH_CTRL_NOP = 0, /* mapping from BTE */
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BTA_HH_CTRL_HARD_RESET, /* hard reset */
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BTA_HH_CTRL_SOFT_RESET, /* soft reset */
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BTA_HH_CTRL_SUSPEND, /* enter suspend */
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BTA_HH_CTRL_EXIT_SUSPEND, /* exit suspend */
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BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG /* virtual unplug */
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};
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typedef uint8_t tBTA_HH_TRANS_CTRL_TYPE;
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typedef struct desc_info {
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uint16_t dl_len;
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uint8_t *dsc_list;
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} tBTA_HH_DEV_DESCR;
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/* Define the header of each buffer used in the Bluetooth stack. */
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typedef struct {
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uint16_t event;
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uint16_t len;
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uint16_t offset;
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uint16_t layer_specific;
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uint8_t data[];
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} BT_HDR;
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#define BT_HDR_SIZE (sizeof (BT_HDR))
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/* callback event data for BTA_HH_OPEN_EVT */
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typedef struct {
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esp_bd_addr_t bda; /* HID device bd address */
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tBTA_HH_STATUS status; /* operation status */
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uint8_t handle; /* device handle */
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} tBTA_HH_CONN;
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typedef tBTA_HH_CONN tBTA_HH_DEV_INFO;
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/* callback event data */
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typedef struct {
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tBTA_HH_STATUS status; /* operation status */
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uint8_t handle; /* device handle */
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} tBTA_HH_CBDATA;
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/* report descriptor information */
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typedef struct {
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uint16_t vendor_id; /* vendor ID */
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uint16_t product_id; /* product ID */
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uint16_t version; /* version */
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uint16_t ssr_max_latency;/* SSR max latency, BTA_HH_SSR_PARAM_INVALID if unknown */
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uint16_t ssr_min_tout; /* SSR min timeout, BTA_HH_SSR_PARAM_INVALID if unknown */
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uint8_t ctry_code; /*Country Code.*/
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tBTA_HH_DEV_DESCR descriptor;
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} tBTA_HH_DEV_DSCP_INFO;
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/* handshake data */
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typedef struct {
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tBTA_HH_STATUS status; /* handshake status */
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uint8_t handle; /* device handle */
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union {
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tBTA_HH_PROTO_MODE proto_mode; /* GET_PROTO_EVT :protocol mode */
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BT_HDR *p_rpt_data;/* GET_RPT_EVT : report data */
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uint8_t idle_rate; /* GET_IDLE_EVT : idle rate */
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} rsp_data;
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} tBTA_HH_HSDATA;
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/* union of data associated with HD callback */
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typedef union {
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tBTA_HH_DEV_INFO dev_info; /* BTA_HH_ADD_DEV_EVT, BTA_HH_RMV_DEV_EVT */
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tBTA_HH_CONN conn; /* BTA_HH_OPEN_EVT */
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tBTA_HH_CBDATA dev_status; /* BTA_HH_CLOSE_EVT,
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BTA_HH_SET_PROTO_EVT
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BTA_HH_SET_RPT_EVT
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BTA_HH_SET_IDLE_EVT
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BTA_HH_UPDATE_SCPP_EVT */
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tBTA_HH_STATUS status; /* BTA_HH_ENABLE_EVT */
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tBTA_HH_DEV_DSCP_INFO dscp_info; /* BTA_HH_GET_DSCP_EVT */
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tBTA_HH_HSDATA hs_data; /* GET_ transaction callback
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BTA_HH_GET_RPT_EVT
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BTA_HH_GET_PROTO_EVT
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BTA_HH_GET_IDLE_EVT */
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} tBTA_HH;
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/* BTA HH callback function */
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typedef void (tBTA_HH_CBACK) (tBTA_HH_EVT event, tBTA_HH *p_data);
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/*****************************************************************************
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** External Function Declarations
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*****************************************************************************/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* This function enable HID host and registers HID-Host with lower layers.*/
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extern void BTA_HhEnable(uint16_t sec_mask, tBTA_HH_CBACK *p_cback);
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/* This function is called when the host is about power down. */
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extern void BTA_HhDisable(void);
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/* This function is called to start an inquiry and read SDP record of responding devices; connect to a device if only one active HID device is found. */
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extern void BTA_HhOpen (esp_bd_addr_t dev_bda, uint8_t bd_type, tBTA_HH_PROTO_MODE mode, uint16_t sec_mask);
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/* This function disconnects the device. */
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extern void BTA_HhClose(uint8_t dev_handle);
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/* This function set the protocol mode at specified HID handle */
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extern void BTA_HhSetProtoMode(uint8_t handle, tBTA_HH_PROTO_MODE t_type);
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/* This function get the protocol mode of a specified HID device. */
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extern void BTA_HhGetProtoMode(uint8_t dev_handle);
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/* send SET_REPORT to device. */
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extern void BTA_HhSetReport(uint8_t dev_handle, tBTA_HH_RPT_TYPE r_type, BT_HDR *p_data);
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/* Send a GET_REPORT to HID device. */
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extern void BTA_HhGetReport(uint8_t dev_handle, tBTA_HH_RPT_TYPE r_type, uint8_t rpt_id, uint16_t buf_size);
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/* send SET_IDLE to device. */
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extern void BTA_HhSetIdle(uint8_t dev_handle, uint16_t idle_rate);
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/* Send a GET_IDLE to HID device. */
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extern void BTA_HhGetIdle(uint8_t dev_handle);
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/* Send HID_CONTROL request to a HID device. */
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extern void BTA_HhSendCtrl(uint8_t dev_handle, tBTA_HH_TRANS_CTRL_TYPE c_type);
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/* Send DATA transaction to a HID device. */
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extern void BTA_HhSendData(uint8_t dev_handle, esp_bd_addr_t dev_bda, BT_HDR *p_buf);
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/* Get report descriptor of the device */
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extern void BTA_HhGetDscpInfo(uint8_t dev_handle);
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/* Add a virtually cabled device into HID-Host device list to manage and assign a device handle for future API call, host applciation call this API at start-up to initialize its virtually cabled devices. */
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extern void BTA_HhAddDev(esp_bd_addr_t bda, tBTA_HH_ATTR_MASK attr_mask, uint8_t sub_class, uint8_t app_id, tBTA_HH_DEV_DSCP_INFO dscp_info);
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/* Remove a device from the HID host devices list. */
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extern void BTA_HhRemoveDev(uint8_t dev_handle );
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enum {
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BTA_HH_MOD_CTRL_KEY,
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BTA_HH_MOD_SHFT_KEY,
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BTA_HH_MOD_ALT_KEY,
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BTA_HH_MOD_GUI_KEY,
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BTA_HH_MOD_MAX_KEY
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||
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};
|
||
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|
||
|
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/* parsed boot mode keyboard report */
|
||
|
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typedef struct {
|
||
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uint8_t this_char[6]; /* virtual key code */
|
||
|
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bool mod_key[BTA_HH_MOD_MAX_KEY];/* ctrl, shift, Alt, GUI */
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||
|
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bool caps_lock; /* is caps locked */
|
||
|
|
bool num_lock; /* is Num key pressed */
|
||
|
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} tBTA_HH_KEYBD_RPT;
|
||
|
|
|
||
|
|
/* parsed boot mode mouse report */
|
||
|
|
typedef struct {
|
||
|
|
uint8_t mouse_button; /* mouse button is clicked */
|
||
|
|
int8_t delta_x; /* displacement x */
|
||
|
|
int8_t delta_y; /* displacement y */
|
||
|
|
} tBTA_HH_MICE_RPT;
|
||
|
|
|
||
|
|
enum {
|
||
|
|
BTA_HH_KEYBD_RPT_ID = 1,
|
||
|
|
BTA_HH_MOUSE_RPT_ID
|
||
|
|
};
|
||
|
|
typedef uint8_t tBTA_HH_BOOT_RPT_ID;
|
||
|
|
|
||
|
|
/* parsed Boot report */
|
||
|
|
typedef struct {
|
||
|
|
tBTA_HH_BOOT_RPT_ID dev_type; /* type of device report */
|
||
|
|
union {
|
||
|
|
tBTA_HH_KEYBD_RPT keybd_rpt; /* keyboard report */
|
||
|
|
tBTA_HH_MICE_RPT mice_rpt; /* mouse report */
|
||
|
|
} data_rpt;
|
||
|
|
} tBTA_HH_BOOT_RPT;
|
||
|
|
|
||
|
|
/* This utility function parse a boot mode report. */
|
||
|
|
extern void BTA_HhParseBootRpt(tBTA_HH_BOOT_RPT *p_data, uint8_t *p_report, uint16_t report_len);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _ESP_BT_HH_API_H_ */
|