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Diffstat (limited to 'include/hardware/bt_hd.h')
| -rw-r--r-- | include/hardware/bt_hd.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/include/hardware/bt_hd.h b/include/hardware/bt_hd.h new file mode 100644 index 0000000..09f547b --- /dev/null +++ b/include/hardware/bt_hd.h @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_BT_HH_H +#define ANDROID_INCLUDE_BT_HH_H + +#include <stdint.h> + +__BEGIN_DECLS + +#define BTHH_MAX_DSC_LEN 884 + +/* HH connection states */ +typedef enum +{ + BTHH_CONN_STATE_CONNECTED = 0, + BTHH_CONN_STATE_CONNECTING, + BTHH_CONN_STATE_DISCONNECTED, + BTHH_CONN_STATE_DISCONNECTING, + BTHH_CONN_STATE_FAILED_MOUSE_FROM_HOST, + BTHH_CONN_STATE_FAILED_KBD_FROM_HOST, + BTHH_CONN_STATE_FAILED_TOO_MANY_DEVICES, + BTHH_CONN_STATE_FAILED_NO_BTHID_DRIVER, + BTHH_CONN_STATE_FAILED_GENERIC, + BTHH_CONN_STATE_UNKNOWN +} bthh_connection_state_t; + +typedef enum +{ + BTHH_OK = 0, + BTHH_HS_HID_NOT_READY, /* handshake error : device not ready */ + BTHH_HS_INVALID_RPT_ID, /* handshake error : invalid report ID */ + BTHH_HS_TRANS_NOT_SPT, /* handshake error : transaction not spt */ + BTHH_HS_INVALID_PARAM, /* handshake error : invalid paremter */ + BTHH_HS_ERROR, /* handshake error : unspecified HS error */ + BTHH_ERR, /* general BTA HH error */ + BTHH_ERR_SDP, /* SDP error */ + BTHH_ERR_PROTO, /* SET_Protocol error, + only used in BTA_HH_OPEN_EVT callback */ + BTHH_ERR_DB_FULL, /* device database full error, used */ + BTHH_ERR_TOD_UNSPT, /* type of device not supported */ + BTHH_ERR_NO_RES, /* out of system resources */ + BTHH_ERR_AUTH_FAILED, /* authentication fail */ + BTHH_ERR_HDL +}bthh_status_t; + +/* Protocol modes */ +typedef enum { + BTHH_REPORT_MODE = 0x00, + BTHH_BOOT_MODE = 0x01, + BTHH_UNSUPPORTED_MODE = 0xff +}bthh_protocol_mode_t; + +/* Report types */ +typedef enum { + BTHH_INPUT_REPORT = 1, + BTHH_OUTPUT_REPORT, + BTHH_FEATURE_REPORT +}bthh_report_type_t; + +typedef struct +{ + int attr_mask; + uint8_t sub_class; + uint8_t app_id; + int vendor_id; + int product_id; + int version; + uint8_t ctry_code; + int dl_len; + uint8_t dsc_list[BTHH_MAX_DSC_LEN]; +} bthh_hid_info_t; + +/** Callback for connection state change. + * state will have one of the values from bthh_connection_state_t + */ +typedef void (* bthh_connection_state_callback)(bt_bdaddr_t *bd_addr, bthh_connection_state_t state); + +/** Callback for vitual unplug api. + * the status of the vitual unplug + */ +typedef void (* bthh_virtual_unplug_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status); + +/** Callback for get hid info + * hid_info will contain attr_mask, sub_class, app_id, vendor_id, product_id, version, ctry_code, len + */ +typedef void (* bthh_hid_info_callback)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info); + +/** Callback for get/set protocal api. + * the protocol mode is one of the value from bthh_protocol_mode_t + */ +typedef void (* bthh_protocol_mode_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status,bthh_protocol_mode_t mode); + +/** Callback for get/set_idle_time api. + */ +typedef void (* bthh_idle_time_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, int idle_rate); + + +/** Callback for get report api. + * if staus is ok rpt_data contains the report data + */ +typedef void (* bthh_get_report_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, uint8_t* rpt_data, int rpt_size); + + +/** BT-HH callback structure. */ +typedef struct { + /** set to sizeof(BtHfCallbacks) */ + size_t size; + bthh_connection_state_callback connection_state_cb; + bthh_hid_info_callback hid_info_cb; + bthh_protocol_mode_callback protocol_mode_cb; + bthh_idle_time_callback idle_time_cb; + bthh_get_report_callback get_report_cb; + bthh_virtual_unplug_callback virtual_unplug_cb; + +} bthh_callbacks_t; + + + +/** Represents the standard BT-HH interface. */ +typedef struct { + + /** set to sizeof(BtHhInterface) */ + size_t size; + + /** + * Register the BtHh callbacks + */ + bt_status_t (*init)( bthh_callbacks_t* callbacks ); + + /** connect to hid device */ + bt_status_t (*connect)( bt_bdaddr_t *bd_addr); + + /** dis-connect from hid device */ + bt_status_t (*disconnect)( bt_bdaddr_t *bd_addr ); + + /** Virtual UnPlug (VUP) the specified HID device */ + bt_status_t (*virtual_unplug)(bt_bdaddr_t *bd_addr); + + /** Set the HID device descriptor for the specified HID device. */ + bt_status_t (*set_info)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info ); + + /** Get the HID proto mode. */ + bt_status_t (*get_protocol) (bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode); + + /** Set the HID proto mode. */ + bt_status_t (*set_protocol)(bt_bdaddr_t *bd_addr, bthh_protocol_mode_t protocolMode); + + /** Send a GET_REPORT to HID device. */ + bt_status_t (*get_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, uint8_t reportId, int bufferSize); + + /** Send a SET_REPORT to HID device. */ + bt_status_t (*set_report)(bt_bdaddr_t *bd_addr, bthh_report_type_t reportType, char* report); + + /** Send data to HID device. */ + bt_status_t (*send_data)(bt_bdaddr_t *bd_addr, char* data); + + /** Closes the interface. */ + void (*cleanup)( void ); + +} bthh_interface_t; +__END_DECLS + +#endif /* ANDROID_INCLUDE_BT_HH_H */ + + |