diff options
Diffstat (limited to 'bta/hh')
| -rw-r--r-- | bta/hh/bta_hh_act.c | 1197 | ||||
| -rw-r--r-- | bta/hh/bta_hh_api.c | 447 | ||||
| -rw-r--r-- | bta/hh/bta_hh_cfg.c | 65 | ||||
| -rw-r--r-- | bta/hh/bta_hh_int.h | 248 | ||||
| -rw-r--r-- | bta/hh/bta_hh_main.c | 441 | ||||
| -rw-r--r-- | bta/hh/bta_hh_utils.c | 417 |
6 files changed, 2815 insertions, 0 deletions
diff --git a/bta/hh/bta_hh_act.c b/bta/hh/bta_hh_act.c new file mode 100644 index 0000000..de08096 --- /dev/null +++ b/bta/hh/bta_hh_act.c @@ -0,0 +1,1197 @@ +/****************************************************************************** + * + * Copyright (C) 2005-2012 Broadcom Corporation + * + * 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. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains the HID host action functions. + * + ******************************************************************************/ + +#include "bt_target.h" + +#if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE) + +#include <string.h> + +#include "bta_sys.h" +#include "btm_api.h" +#include "l2c_api.h" +#include "bta_hh_int.h" +#include "bta_hh_co.h" + +/***************************************************************************** +** Constants +*****************************************************************************/ + + +/***************************************************************************** +** Local Function prototypes +*****************************************************************************/ +static void bta_hh_cback (UINT8 dev_handle, UINT8 event, UINT32 data, + BT_HDR *pdata); +static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result); + +#if BTA_HH_DEBUG +static char* bta_hh_get_w4_event(UINT16 event); +static char * bta_hh_hid_event_name(UINT16 event); +#endif + +/***************************************************************************** +** Action Functions +*****************************************************************************/ +/******************************************************************************* +** +** Function bta_hh_api_enable +** +** Description Perform necessary operations to enable HID host. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_api_enable(tBTA_HH_DATA *p_data) +{ + tBTA_HH_STATUS status = BTA_HH_ERR; + UINT8 xx; + + /* initialize BTE HID */ + HID_HostInit(); + + memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB)); + + HID_HostSetSecurityLevel("", p_data->api_enable.sec_mask); + + /* Register with L2CAP */ + if ( HID_HostRegister (bta_hh_cback) == HID_SUCCESS) + { + /* store parameters */ + bta_hh_cb.p_cback = p_data->api_enable.p_cback; + + status = BTA_HH_OK; + /* initialize device CB */ + for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++) + { + bta_hh_cb.kdev[xx].state = BTA_HH_IDLE_ST; + bta_hh_cb.kdev[xx].hid_handle = BTA_HH_INVALID_HANDLE; + bta_hh_cb.kdev[xx].index = xx; + /* initialize control block map */ + bta_hh_cb.cb_index[xx] = BTA_HH_MAX_KNOWN; + } + } + + /* signal BTA call back event */ + (* bta_hh_cb.p_cback)(BTA_HH_ENABLE_EVT, (tBTA_HH *)&status); +} +/******************************************************************************* +** +** Function bta_hh_api_disable +** +** Description Perform necessary operations to disable HID host. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_api_disable(void) +{ + UINT8 xx; + + /* service is not enabled */ + if (bta_hh_cb.p_cback == NULL) + return; + + /* no live connection, signal DISC_CMPL_EVT directly */ + if (!bta_hh_cb.cnt_num) + { + bta_hh_disc_cmpl(); + } + else /* otherwise, disconnect all live connections */ + { + bta_hh_cb.w4_disable = TRUE; + + for(xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++) + { + /* send API_CLOSE event to every connected device */ + if ( bta_hh_cb.kdev[xx].state == BTA_HH_CONN_ST ) + { + /* disconnect all connected devices */ + bta_hh_sm_execute(&bta_hh_cb.kdev[xx], + BTA_HH_API_CLOSE_EVT, + NULL); + } + } + } + + return; +} + +/******************************************************************************* +** +** Function bta_hh_disc_cmpl +** +** Description All connections have been closed, disable service. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_disc_cmpl(void) +{ + UINT8 xx; + tBTA_HH_STATUS status = BTA_HH_OK; + + /* Deregister with lower layer */ + if (HID_HostDeregister()!= HID_SUCCESS) + status = BTA_HH_ERR; + + /* free buffer in CB holding report descriptors */ + for(xx = 0; xx < BTA_HH_MAX_KNOWN; xx ++) + { + utl_freebuf((void **)&bta_hh_cb.kdev[xx].dscp_info.descriptor.dsc_list); + } + utl_freebuf((void **)&bta_hh_cb.p_disc_db); + + (* bta_hh_cb.p_cback)(BTA_HH_DISABLE_EVT, (tBTA_HH *)&status); + /* all connections are down, no waiting for diconnect */ + memset(&bta_hh_cb, 0, sizeof(tBTA_HH_CB)); +} +/******************************************************************************* +** +** Function bta_hh_sdp_cback +** +** Description SDP callback function. +** +** Returns void +** +*******************************************************************************/ +static void bta_hh_sdp_cback(UINT16 result, UINT16 attr_mask, + tHID_DEV_SDP_INFO *sdp_rec ) +{ + tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur; + UINT8 hdl; + tBTA_HH_STATUS status = BTA_HH_ERR_SDP; + + if (result == SDP_SUCCESS) + { + /* security is required for the connection, add attr_mask bit*/ + if (p_cb->sec_mask) + attr_mask |= HID_SEC_REQUIRED; + +#if BTA_HH_DEBUG + APPL_TRACE_EVENT3("bta_hh_sdp_cback: p_cb: %d result 0x%02x, \ + attr_mask 0x%02x", \ + p_cb, result, attr_mask); +#endif + + /* check to see type of device is supported , and should not been added before */ + if (bta_hh_tod_spt(p_cb, sdp_rec->sub_class)) + { + /* if not added before */ + if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) + { + /* add device/update attr_mask information */ + if(HID_HostAddDev (p_cb->addr, attr_mask, &hdl) == HID_SUCCESS) + { + status = BTA_HH_OK; + /* update cb_index[] map */ + bta_hh_cb.cb_index[hdl] = p_cb->index; + } + else + { + p_cb->app_id = 0; + } + } + /* else : incoming connection after SDP should update the SDP information as well */ + + if (p_cb->app_id != 0) + { + /* update cb information with attr_mask, dscp_info etc. */ + bta_hh_add_device_to_list(p_cb, hdl, attr_mask, + &sdp_rec->dscp_info, + sdp_rec->sub_class, + sdp_rec->ssr_max_latency, + sdp_rec->ssr_min_tout, + p_cb->app_id); + + p_cb->dscp_info.ctry_code = sdp_rec->ctry_code; + + status = BTA_HH_OK; + } + + } + else /* type of device is not supported */ + status = BTA_HH_ERR_TOD_UNSPT; + } + + /* free disc_db when SDP is completed */ + utl_freebuf((void **)&bta_hh_cb.p_disc_db); + + + /* send SDP_CMPL_EVT into state machine */ + bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); + + return; +} +/******************************************************************************* +** +** Function bta_hh_di_sdp_cback +** +** Description SDP DI callback function. +** +** Returns void +** +*******************************************************************************/ +static void bta_hh_di_sdp_cback(UINT16 result) +{ + tBTA_HH_DEV_CB *p_cb = bta_hh_cb.p_cur; + tBTA_HH_STATUS status = BTA_HH_ERR_SDP; + tSDP_DI_GET_RECORD di_rec; + tHID_STATUS ret; +#if BTA_HH_DEBUG + APPL_TRACE_EVENT2("bta_hh_di_sdp_cback: p_cb: %d result 0x%02x", p_cb, result); +#endif + /* if DI record does not exist on remote device, vendor_id in tBTA_HH_DEV_DSCP_INFO will be + * set to 0xffff and we will allow the connection to go through. Spec mandates that DI + * record be set, but many HID devices do not set this. So for IOP purposes, we allow the + * connection to go through and update the DI record to invalid DI entry.*/ + if ((result == SDP_SUCCESS) || (result == SDP_NO_RECS_MATCH)) + { + if(result == SDP_SUCCESS && SDP_GetNumDiRecords(bta_hh_cb.p_disc_db) != 0) + { + /* always update information with primary DI record */ + if (SDP_GetDiRecord(1, &di_rec, bta_hh_cb.p_disc_db) == SDP_SUCCESS) + { + bta_hh_update_di_info(p_cb, di_rec.rec.vendor, di_rec.rec.product, di_rec.rec.version); + } + + } + else /* no DI recrod available */ + { + bta_hh_update_di_info(p_cb, BTA_HH_VENDOR_ID_INVALID, 0, 0); + } + + if ((ret = HID_HostGetSDPRecord(p_cb->addr, + bta_hh_cb.p_disc_db, + p_bta_hh_cfg->sdp_db_size, + bta_hh_sdp_cback)) == HID_SUCCESS) + { + status = BTA_HH_OK; + } + else + { +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1 ("bta_hh_di_sdp_cback: HID_HostGetSDPRecord failed: Status 0x%2x", + ret); +#endif + } + } + + + if (status != BTA_HH_OK) + { + utl_freebuf((void **)&bta_hh_cb.p_disc_db); + /* send SDP_CMPL_EVT into state machine */ + bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); + } + return; + +} + + +/******************************************************************************* +** +** Function bta_hh_start_sdp +** +** Description Start SDP service search, and obtain necessary SDP records. +** Only one SDP service search request is allowed at the same +** time. For every BTA_HhOpen API call, do SDP first unless SDP +** has been done previously. +** +** Returns void +** +*******************************************************************************/ +void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_STATUS status = BTA_HH_ERR_SDP; + UINT8 hdl; + + p_cb->sec_mask = p_data->api_conn.sec_mask; + p_cb->mode = p_data->api_conn.mode; + + /* if previously virtually cabled device, skip SDP */ + if (p_cb->app_id) + { + status = BTA_HH_OK; +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG0("bta_hh_start_sdp:: skip SDP for known devices"); +#endif + if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) + { + if ((HID_HostAddDev (p_cb->addr, p_cb->attr_mask, &hdl)) \ + == HID_SUCCESS) + { + /* update device CB with newly register device handle */ + bta_hh_add_device_to_list(p_cb, hdl, p_cb->attr_mask, NULL, + p_cb->sub_class, + p_cb->dscp_info.ssr_max_latency, + p_cb->dscp_info.ssr_min_tout, + p_cb->app_id); + /* update cb_index[] map */ + bta_hh_cb.cb_index[hdl] = p_cb->index; + } + else + { + status = BTA_HH_ERR_SDP; + } + } + bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); + + return; + } + /* GetSDPRecord. at one time only one SDP precedure can be active */ + else if (!bta_hh_cb.p_disc_db) + { + bta_hh_cb.p_disc_db = (tSDP_DISCOVERY_DB *) GKI_getbuf(p_bta_hh_cfg->sdp_db_size); + + if (bta_hh_cb.p_disc_db == NULL) + { + status = BTA_HH_ERR_NO_RES; + } + else + { + bta_hh_cb.p_cur = p_cb; + /* do DI discovery first */ + if (SDP_DiDiscover(p_data->api_conn.bd_addr, + bta_hh_cb.p_disc_db, + p_bta_hh_cfg->sdp_db_size, + bta_hh_di_sdp_cback) != SDP_SUCCESS) + { +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1 ("bta_hh_start_sdp: SDP_DiDiscover failed: \ + Status 0x%2X",status); +#endif + status = BTA_HH_ERR_SDP; + utl_freebuf((void **)&bta_hh_cb.p_disc_db); + } + else + status = BTA_HH_OK; + } + } + + if (status != BTA_HH_OK) + bta_hh_sm_execute(p_cb, BTA_HH_SDP_CMPL_EVT, (tBTA_HH_DATA *)&status); + + return; + +} +/******************************************************************************* +** +** Function bta_hh_sdp_cmpl +** +** Description When SDP completed, initiate a connection or report error depend +** on SDP result. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_CONN conn_dat; + tBTA_HH_STATUS status = p_data->status; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1 ("bta_hh_sdp_cmpl: status 0x%2X",p_data->status); +#endif + + /* initialize call back data */ + memset((void *)&conn_dat, 0, sizeof(tBTA_HH_CONN)); + conn_dat.handle = p_cb->hid_handle; + bdcpy(conn_dat.bda, p_cb->addr); + + /* if SDP compl success */ + if ( status == BTA_HH_OK) + { + /* not incoming connection doing SDP, initiate a HID connection */ + if (!p_cb->incoming_conn) + { + tHID_STATUS ret; + /* set security level */ + HID_HostSetSecurityLevel("", p_cb->sec_mask); + + /* open HID connection */ + if ((ret = HID_HostOpenDev (p_cb->hid_handle)) != HID_SUCCESS) + { +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1 ("bta_hh_sdp_cmpl: HID_HostOpenDev failed: \ + Status 0x%2X",ret); +#endif + /* open fail, remove device from management device list */ + HID_HostRemoveDev( p_cb->hid_handle); + status = BTA_HH_ERR; + } + else + { + status = BTA_HH_OK; + } + } + else /* incoming connection SDP finish */ + { + bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, NULL); + } + } + + if (status != BTA_HH_OK) + { + conn_dat.status = status; + + (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat); + + /* move state machine W4_CONN ->IDLE */ + bta_hh_sm_execute(p_cb, BTA_HH_API_CLOSE_EVT, NULL); + + /* if this is an outgoing connection to an unknown device, clean up cb */ + if (p_cb->app_id == 0 && !p_cb->incoming_conn) + { + /* clean up device control block */ + bta_hh_clean_up_kdev(p_cb); + } + +#if BTA_HH_DEBUG + bta_hh_trace_dev_db(); +#endif + } + + return; +} + +/******************************************************************************* +** +** Function bta_hh_api_disc_act +** +** Description HID Host initiate a disconnection. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_CBDATA disc_dat; + tHID_STATUS status; + + /* found an active connection */ + disc_dat.handle = p_data ?(UINT8)p_data->hdr.layer_specific :p_cb->hid_handle; + disc_dat.status = BTA_HH_ERR; + + status = HID_HostCloseDev(disc_dat.handle); + + if (status) + (* bta_hh_cb.p_cback)(BTA_HH_CLOSE_EVT, (tBTA_HH *)&disc_dat); + + return; +} +/******************************************************************************* +** +** Function bta_hh_open_cmpl_act +** +** Description HID host connection completed +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_CONN conn ; + UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \ + p_cb->hid_handle; + + memset((void *)&conn, 0, sizeof (tBTA_HH_CONN)); + conn.handle = dev_handle; + bdcpy(conn.bda, p_cb->addr); + + /* increase connection number */ + bta_hh_cb.cnt_num ++; + + /* initialize device driver */ + bta_hh_co_open(p_cb->hid_handle, p_cb->sub_class, + p_cb->attr_mask, p_cb->app_id); + + /* update SSR settings */ + bta_sys_chg_ssr_config(BTA_ID_HH ,p_cb->app_id, p_cb->dscp_info.ssr_max_latency, p_cb->dscp_info.ssr_min_tout); + /* inform role manager */ + bta_sys_conn_open( BTA_ID_HH ,p_cb->app_id, p_cb->addr); + + /* set protocol mode when not default report mode */ + if (p_cb->mode != BTA_HH_PROTO_RPT_MODE) + { + if ((HID_HostWriteDev(dev_handle, + HID_TRANS_SET_PROTOCOL, HID_PAR_PROTOCOL_BOOT_MODE, + 0, + 0, NULL)) != HID_SUCCESS) + { + /* HID connection is up, while SET_PROTO fail */ + conn.status = BTA_HH_ERR_PROTO; + (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn); + } + else + { + conn.status = BTA_HH_OK; + p_cb->w4_evt = BTA_HH_OPEN_EVT; + } + } + else + (* bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn); + + p_cb->incoming_conn = FALSE; + +} +/******************************************************************************* +** +** Function bta_hh_open_act +** +** Description HID host receive HID_OPEN_EVT . +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_API_CONN conn_data; + +#if BTA_HH_DEBUG + UINT8 dev_handle = p_data ? (UINT8)p_data->hid_cback.hdr.layer_specific : \ + p_cb->hid_handle; + + APPL_TRACE_EVENT1 ("bta_hh_open_act: Device[%d] connected", dev_handle); +#endif + + /* SDP has been done */ + if (p_cb->app_id != 0) + { + bta_hh_sm_execute(p_cb, BTA_HH_OPEN_CMPL_EVT, p_data); + } + else + /* app_id == 0 indicates an incoming conenction request arrives without SDP + performed, do it first */ + { + p_cb->incoming_conn = TRUE; + + memset(&conn_data, 0, sizeof(tBTA_HH_API_CONN)); + bdcpy(conn_data.bd_addr, p_cb->addr); + bta_hh_start_sdp(p_cb, (tBTA_HH_DATA *)&conn_data); + } + + return; +} + + +/******************************************************************************* +** +** Function bta_hh_data_act +** +** Description HID Host process a data report +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) +{ + BT_HDR *pdata = p_data->hid_cback.p_data; + UINT8 *p_rpt = (UINT8 *)(pdata + 1) + pdata->offset; + + bta_hh_co_data((UINT8)p_data->hid_cback.hdr.layer_specific, p_rpt, pdata->len, + p_cb->mode, p_cb->sub_class, p_cb->dscp_info.ctry_code, p_cb->addr, p_cb->app_id); + + utl_freebuf((void **)&pdata); +} + + +/******************************************************************************* +** +** Function bta_hh_handsk_act +** +** Description HID Host process a handshake acknoledgement. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) +{ + tBTA_HH_CBDATA cback_data ; + tBTA_HH_HSDATA hs_data; + tBTA_HH_CONN conn ; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG2("HANDSHAKE received for: event = %s data= %d", + bta_hh_get_w4_event(p_cb->w4_evt), p_data->hid_cback.data); +#endif + + memset(&hs_data, 0, sizeof(tBTA_HH_HSDATA)); + + switch (p_cb->w4_evt) + { + /* GET_ transsaction, handshake indicate unsupported request */ + case BTA_HH_GET_PROTO_EVT: + hs_data.rsp_data.proto_mode = BTA_HH_PROTO_UNKNOWN; + /* fall through */ + case BTA_HH_GET_RPT_EVT: + case BTA_HH_GET_IDLE_EVT : + hs_data.handle = p_cb->hid_handle; + /* if handshake gives an OK code for these transaction, fill in UNSUPT */ + if ((hs_data.status = bta_hh_get_trans_status(p_data->hid_cback.data)) == BTA_HH_OK) + hs_data.status = BTA_HH_HS_TRANS_NOT_SPT; + + (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data); + p_cb->w4_evt = 0; + break; + + /* acknoledgement from HID device for SET_ transaction */ + case BTA_HH_SET_RPT_EVT: + case BTA_HH_SET_PROTO_EVT: + case BTA_HH_SET_IDLE_EVT : + cback_data.handle = p_cb->hid_handle; + cback_data.status = bta_hh_get_trans_status(p_data->hid_cback.data); + (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&cback_data); + p_cb->w4_evt = 0; + break; + + /* SET_PROTOCOL when open connection */ + case BTA_HH_OPEN_EVT: + conn.status =p_data->hid_cback.data ? BTA_HH_ERR_PROTO: BTA_HH_OK; + conn.handle = p_cb->hid_handle; + bdcpy(conn.bda, p_cb->addr); + (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&conn); +#if BTA_HH_DEBUG + bta_hh_trace_dev_db(); +#endif + p_cb->w4_evt = 0; + break; + + default: + /* unknow transaction handshake response */ + APPL_TRACE_DEBUG0("unknown transaction type"); + break; + } + + /* transaction achknoledgement received, inform PM for mode change */ + bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); + return; +} +/******************************************************************************* +** +** Function bta_hh_ctrl_dat_act +** +** Description HID Host process a data report from control channel. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data) +{ + BT_HDR *pdata = p_data->hid_cback.p_data; + UINT8 *data = (UINT8 *)(pdata + 1) + pdata->offset; + tBTA_HH_HSDATA hs_data; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("Ctrl DATA received w4: event[%s]", + bta_hh_get_w4_event(p_cb->w4_evt)); +#endif + hs_data.status = BTA_HH_OK; + hs_data.handle = p_cb->hid_handle; + + switch (p_cb->w4_evt) + { + case BTA_HH_GET_IDLE_EVT: + hs_data.rsp_data.idle_rate = *data; + break; + case BTA_HH_GET_RPT_EVT: + hs_data.rsp_data.p_rpt_data = pdata; + break; + case BTA_HH_GET_PROTO_EVT: + /* match up BTE/BTA report/boot mode def*/ + hs_data.rsp_data.proto_mode = ((*data) == HID_PAR_PROTOCOL_REPORT)? \ + BTA_HH_PROTO_RPT_MODE : BTA_HH_PROTO_BOOT_MODE; +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("GET_PROTOCOL Mode = [%s]", + (hs_data.rsp_data.proto_mode == BTA_HH_PROTO_RPT_MODE)? "Report" : "Boot"); +#endif + break; + /* should not expect control DATA for SET_ transaction */ + case BTA_HH_SET_PROTO_EVT: + /* fall through */ + case BTA_HH_SET_RPT_EVT: + /* fall through */ + case BTA_HH_SET_IDLE_EVT : + /* fall through */ + default: +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("invalid transaction type for DATA payload: 4_evt[%s]", + bta_hh_get_w4_event(p_cb->w4_evt)); +#endif + break; + } + + /* inform PM for mode change */ + bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); + bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); + + (* bta_hh_cb.p_cback)(p_cb->w4_evt, (tBTA_HH *)&hs_data); + + p_cb->w4_evt = 0; + utl_freebuf((void **)&pdata); + +} + +/******************************************************************************* +** +** Function bta_hh_close_act +** +** Description HID Host process a close event +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_close_act (tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_CONN conn_dat ; + tBTA_HH_CBDATA disc_dat = {BTA_HH_OK, 0}; + UINT32 reason = p_data->hid_cback.data; /* Reason for closing (32-bit) */ + + /* if HID_HDEV_EVT_VC_UNPLUG was received, report BTA_HH_VC_UNPLUG_EVT */ + UINT16 event = p_cb->vp ? BTA_HH_VC_UNPLUG_EVT : BTA_HH_CLOSE_EVT; + + disc_dat.handle = p_cb->hid_handle; + disc_dat.status = p_data->hid_cback.data; + + /* Check reason for closing */ + if ((reason & (HID_L2CAP_CONN_FAIL|HID_L2CAP_REQ_FAIL)) || /* Failure to initialize connection (page timeout or l2cap error) */ + (reason == HID_ERR_AUTH_FAILED) || /* Authenication error (while initiating) */ + (reason == HID_ERR_L2CAP_FAILED)) /* Failure creating l2cap connection */ + { + /* Failure in opening connection */ + conn_dat.handle = p_cb->hid_handle; + conn_dat.status = (reason == HID_ERR_AUTH_FAILED) ? BTA_HH_ERR_AUTH_FAILED : BTA_HH_ERR; + bdcpy(conn_dat.bda, p_cb->addr); + HID_HostCloseDev(p_cb->hid_handle); + + /* Report OPEN fail event */ + (*bta_hh_cb.p_cback)(BTA_HH_OPEN_EVT, (tBTA_HH *)&conn_dat); + +#if BTA_HH_DEBUG + bta_hh_trace_dev_db(); +#endif + return; + } + /* otherwise report CLOSE/VC_UNPLUG event */ + else + { + /* finaliza device driver */ + bta_hh_co_close(p_cb->hid_handle, p_cb->app_id); + /* inform role manager */ + bta_sys_conn_close( BTA_ID_HH ,p_cb->app_id, p_cb->addr); + /* update total conn number */ + bta_hh_cb.cnt_num --; + + if (disc_dat.status) + disc_dat.status = BTA_HH_ERR; + + (*bta_hh_cb.p_cback)(event, (tBTA_HH *)&disc_dat); + + /* if virtually unplug, remove device */ + if (p_cb->vp ) + { + HID_HostRemoveDev( p_cb->hid_handle); + bta_hh_clean_up_kdev(p_cb); + } + +#if BTA_HH_DEBUG + bta_hh_trace_dev_db(); +#endif + } + + /* clean up control block, but retain SDP info and device handle */ + p_cb->vp = FALSE; + p_cb->w4_evt = 0; + + /* if no connection is active and HH disable is signaled, disable service */ + if (bta_hh_cb.cnt_num == 0 && bta_hh_cb.w4_disable) + { + bta_hh_disc_cmpl(); + } + + return; +} + +/******************************************************************************* +** +** Function bta_hh_get_dscp_act +** +** Description Get device report descriptor +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + (*bta_hh_cb.p_cback)(BTA_HH_GET_DSCP_EVT, (tBTA_HH *)&p_cb->dscp_info); +} + +/******************************************************************************* +** +** Function bta_hh_maint_dev_act +** +** Description HID Host maintain device list. +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_MAINT_DEV *p_dev_info = &p_data->api_maintdev; + tBTA_HH_DEV_INFO dev_info ; + UINT8 dev_handle; + + dev_info.status = BTA_HH_ERR; + dev_info.handle = BTA_HH_INVALID_HANDLE; + + switch (p_dev_info->sub_event) + { + case BTA_HH_ADD_DEV_EVT: /* add a device */ + bdcpy(dev_info.bda, p_dev_info->bda); + /* initialize callback data */ + if (p_cb->hid_handle == BTA_HH_INVALID_HANDLE) + { + if (HID_HostAddDev(p_dev_info->bda, p_dev_info->attr_mask, &dev_handle)\ + == HID_SUCCESS) + { + dev_info.handle = dev_handle; + dev_info.status = BTA_HH_OK; + + /* update DI information */ + bta_hh_update_di_info(p_cb, + p_dev_info->dscp_info.vendor_id, + p_dev_info->dscp_info.product_id, + p_dev_info->dscp_info.version); + + /* add to BTA device list */ + bta_hh_add_device_to_list(p_cb, dev_handle, + p_dev_info->attr_mask, + &p_dev_info->dscp_info.descriptor, + p_dev_info->sub_class, + p_dev_info->dscp_info.ssr_max_latency, + p_dev_info->dscp_info.ssr_min_tout, + p_dev_info->app_id); + /* update cb_index[] map */ + bta_hh_cb.cb_index[dev_handle] = p_cb->index; + } + } + else /* device already been added */ + { + dev_info.handle = p_cb->hid_handle; + dev_info.status = BTA_HH_OK; + } +#if BTA_HH_DEBUG + bta_hh_trace_dev_db(); +#endif + break; + + case BTA_HH_RMV_DEV_EVT: /* remove device */ + dev_info.handle = (UINT8)p_dev_info->hdr.layer_specific; + + bdcpy(dev_info.bda, p_cb->addr); + if (p_cb->state != BTA_HH_CONN_ST ) + { + if(HID_HostRemoveDev( dev_info.handle ) == HID_SUCCESS) + { + dev_info.status = BTA_HH_OK; + + /* remove from known device list in BTA */ + bta_hh_clean_up_kdev(p_cb); + } + } + break; + + default: + APPL_TRACE_DEBUG0("invalid command"); + break; + } + + (* bta_hh_cb.p_cback)(p_dev_info->sub_event, (tBTA_HH *)&dev_info); +} +/******************************************************************************* +** +** Function bta_hh_write_dev_act +** +** Description Write device action. can be SET/GET/DATA transaction. +** +** Returns void +** +*******************************************************************************/ +void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data) +{ + tBTA_HH_CBDATA cbdata = {BTA_HH_OK, 0}; + UINT16 event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) + + BTA_HH_FST_TRANS_CB_EVT; + + cbdata.handle = p_cb->hid_handle; + + /* match up BTE/BTA report/boot mode def */ + if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL) + { + p_data->api_sndcmd.param = ( p_data->api_sndcmd.param == BTA_HH_PROTO_RPT_MODE) ?\ + HID_PAR_PROTOCOL_REPORT :HID_PAR_PROTOCOL_BOOT_MODE; + } + + if (HID_HostWriteDev (p_cb->hid_handle, + p_data->api_sndcmd.t_type, + p_data->api_sndcmd.param, + p_data->api_sndcmd.data, + p_data->api_sndcmd.rpt_id, + p_data->api_sndcmd.p_data) != HID_SUCCESS) + { + APPL_TRACE_ERROR0("HID_HostWriteDev Error "); + cbdata.status = BTA_HH_ERR; + + if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL && + p_data->api_sndcmd.t_type != HID_TRANS_DATA) + (* bta_hh_cb.p_cback)(event, (tBTA_HH *)&cbdata); + else if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG) + (* bta_hh_cb.p_cback)(BTA_HH_VC_UNPLUG_EVT, (tBTA_HH *)&cbdata); + } + else + { + + switch(p_data->api_sndcmd.t_type) + { + case HID_TRANS_SET_PROTOCOL: + /* fall through */ + case HID_TRANS_GET_REPORT: + /* fall through */ + case HID_TRANS_SET_REPORT: + /* fall through */ + case HID_TRANS_GET_PROTOCOL: + /* fall through */ + case HID_TRANS_GET_IDLE: + /* fall through */ + case HID_TRANS_SET_IDLE:/* set w4_handsk event name for callback function use */ + p_cb->w4_evt = event; + break; + case HID_TRANS_DATA: /* output report */ + /* fall through */ + case HID_TRANS_CONTROL: + /* no handshake event will be generated */ + /* if VC_UNPLUG is issued, set flag */ + if (p_data->api_sndcmd.param == BTA_HH_CTRL_VIRTUAL_CABLE_UNPLUG) + p_cb->vp = TRUE; + + break; + /* currently not expected */ + case HID_TRANS_DATAC: + default: + APPL_TRACE_DEBUG1("bta_hh_write_dev_act:: cmd type = %d", + p_data->api_sndcmd.t_type); + break; + } + + /* if not control type transaction, notify PM for energy control */ + if (p_data->api_sndcmd.t_type != HID_TRANS_CONTROL) + { + /* inform PM for mode change */ + bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); + bta_sys_idle(BTA_ID_HH, p_cb->app_id, p_cb->addr); + } + else if (p_data->api_sndcmd.param == BTA_HH_CTRL_SUSPEND) + { + bta_sys_sco_close(BTA_ID_HH, p_cb->app_id, p_cb->addr); + } + else if (p_data->api_sndcmd.param == BTA_HH_CTRL_EXIT_SUSPEND) + { + bta_sys_busy(BTA_ID_HH, p_cb->app_id, p_cb->addr); + } + } + + + return; +} + +/***************************************************************************** +** Static Function +*****************************************************************************/ +/******************************************************************************* +** +** Function bta_hh_cback +** +** Description BTA HH callback function. +** +** +** Returns void +** +*******************************************************************************/ +static void bta_hh_cback (UINT8 dev_handle, UINT8 event, UINT32 data, + BT_HDR *pdata) +{ + tBTA_HH_CBACK_DATA *p_buf = NULL; + UINT16 sm_event = BTA_HH_INVALID_EVT; + UINT8 xx = 0; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("bta_hh_cback::HID_event [%s]", bta_hh_hid_event_name(event)); +#endif + + switch (event) + { + case HID_HDEV_EVT_OPEN: + sm_event = BTA_HH_INT_OPEN_EVT; + break; + case HID_HDEV_EVT_CLOSE: + sm_event = BTA_HH_INT_CLOSE_EVT; + break; + case HID_HDEV_EVT_INTR_DATA: + sm_event = BTA_HH_INT_DATA_EVT; + break; + case HID_HDEV_EVT_HANDSHAKE: + sm_event = BTA_HH_INT_HANDSK_EVT; + break; + case HID_HDEV_EVT_CTRL_DATA: + sm_event = BTA_HH_INT_CTRL_DATA; + break; + case HID_HDEV_EVT_RETRYING: + break; + case HID_HDEV_EVT_INTR_DATC: + case HID_HDEV_EVT_CTRL_DATC: + /* Unhandled events: Free buffer for DATAC */ + utl_freebuf((void **)&pdata); + break; + case HID_HDEV_EVT_VC_UNPLUG: + for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx++) + { + if (bta_hh_cb.kdev[xx].hid_handle == dev_handle) + { + bta_hh_cb.kdev[xx].vp = TRUE; + break; + } + } + break; + } + + if (sm_event != BTA_HH_INVALID_EVT && + (p_buf = (tBTA_HH_CBACK_DATA *)GKI_getbuf(sizeof(tBTA_HH_CBACK_DATA) + + sizeof(BT_HDR))) != NULL) + { + p_buf->hdr.event = sm_event; + p_buf->hdr.layer_specific = (UINT16)dev_handle; + p_buf->data = data; + p_buf->p_data = pdata; + + bta_sys_sendmsg(p_buf); + } + +} +/******************************************************************************* +** +** Function bta_hh_get_trans_status +** +** Description translate a handshake result code into BTA HH +** status code +** +*******************************************************************************/ +static tBTA_HH_STATUS bta_hh_get_trans_status(UINT32 result) +{ + switch(result) + { + case HID_PAR_HANDSHAKE_RSP_SUCCESS : /* (0) */ + return BTA_HH_OK; + case HID_PAR_HANDSHAKE_RSP_NOT_READY : /* (1) */ + case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_REP_ID: /* (2) */ + case HID_PAR_HANDSHAKE_RSP_ERR_UNSUPPORTED_REQ : /* (3) */ + case HID_PAR_HANDSHAKE_RSP_ERR_INVALID_PARAM : /* (4) */ + return (tBTA_HH_STATUS)result; + case HID_PAR_HANDSHAKE_RSP_ERR_UNKNOWN : /* (14) */ + case HID_PAR_HANDSHAKE_RSP_ERR_FATAL : /* (15) */ + default: + return BTA_HH_HS_ERROR; + break; + } +} +/***************************************************************************** +** Debug Functions +*****************************************************************************/ + +#if (defined BTA_HH_DEBUG && BTA_HH_DEBUG == TRUE) +static char* bta_hh_get_w4_event(UINT16 event) +{ + switch (event) + { + case BTA_HH_GET_RPT_EVT: + return "BTA_HH_GET_RPT_EVT"; + case BTA_HH_SET_RPT_EVT: + return "BTA_HH_SET_RPT_EVT"; + case BTA_HH_GET_PROTO_EVT: + return "BTA_HH_GET_PROTO_EVT"; + case BTA_HH_SET_PROTO_EVT: + return "BTA_HH_SET_PROTO_EVT"; + case BTA_HH_GET_IDLE_EVT: + return "BTA_HH_GET_IDLE_EVT"; + case BTA_HH_SET_IDLE_EVT: + return "BTA_HH_SET_IDLE_EVT"; + case BTA_HH_OPEN_EVT: + return "BTA_HH_OPEN_EVT"; + default: + return "Unknown event"; + } + +} + +static char * bta_hh_hid_event_name(UINT16 event) +{ + switch (event) + { + case HID_HDEV_EVT_OPEN: + return "HID_HDEV_EVT_OPEN"; + case HID_HDEV_EVT_CLOSE: + return "HID_HDEV_EVT_CLOSE"; + case HID_HDEV_EVT_RETRYING: + return "HID_HDEV_EVT_RETRYING"; + case HID_HDEV_EVT_INTR_DATA: + return "HID_HDEV_EVT_INTR_DATA"; + case HID_HDEV_EVT_INTR_DATC: + return "HID_HDEV_EVT_INTR_DATC"; + case HID_HDEV_EVT_CTRL_DATA: + return "HID_HDEV_EVT_CTRL_DATA"; + case HID_HDEV_EVT_CTRL_DATC: + return "HID_HDEV_EVT_CTRL_DATC"; + case HID_HDEV_EVT_HANDSHAKE: + return "HID_HDEV_EVT_HANDSHAKE"; + case HID_HDEV_EVT_VC_UNPLUG: + return "HID_HDEV_EVT_VC_UNPLUG"; + default: + return "Unknown HID event"; + } +} +#endif +#endif /* BTA_HH_INCLUDED */ + diff --git a/bta/hh/bta_hh_api.c b/bta/hh/bta_hh_api.c new file mode 100644 index 0000000..300fc6f --- /dev/null +++ b/bta/hh/bta_hh_api.c @@ -0,0 +1,447 @@ +/****************************************************************************** + * + * Copyright (C) 2005-2012 Broadcom Corporation + * + * 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. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains the HID HOST API in the subsystem of BTA. + * + ******************************************************************************/ + +#include "bt_target.h" + +#if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE) + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +#include "bta_hh_api.h" +#include "bta_hh_int.h" +#include "l2c_api.h" + +/***************************************************************************** +** Constants +*****************************************************************************/ + +static const tBTA_SYS_REG bta_hh_reg = +{ + bta_hh_hdl_event, + BTA_HhDisable +}; + +/******************************************************************************* +** +** Function BTA_HhEnable +** +** Description Enable the HID host. This function must be called before +** any other functions in the HID host API are called. When the +** enable operation is complete the callback function will be +** called with BTA_HH_ENABLE_EVT. +** +** +** Returns void +** +*******************************************************************************/ +void BTA_HhEnable(tBTA_SEC sec_mask, BOOLEAN ucd_enabled, tBTA_HH_CBACK *p_cback) +{ + tBTA_HH_API_ENABLE *p_buf; + + /* register with BTA system manager */ + GKI_sched_lock(); + bta_sys_register(BTA_ID_HH, &bta_hh_reg); + GKI_sched_unlock(); + + APPL_TRACE_ERROR0("Calling BTA_HhEnable"); + p_buf = (tBTA_HH_API_ENABLE *)GKI_getbuf((UINT16)sizeof(tBTA_HH_API_ENABLE)); + + if (p_buf != NULL) + { + memset(p_buf, 0, sizeof(tBTA_HH_API_ENABLE)); + + p_buf->hdr.event = BTA_HH_API_ENABLE_EVT; + p_buf->p_cback = p_cback; + p_buf->sec_mask = sec_mask; + + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_HhDisable +** +** Description Disable the HID host. If the server is currently +** connected, the connection will be closed. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhDisable(void) +{ + BT_HDR *p_buf; + + bta_sys_deregister(BTA_ID_HH); + if ((p_buf = (BT_HDR *)GKI_getbuf(sizeof(BT_HDR))) != NULL) + { + p_buf->event = BTA_HH_API_DISABLE_EVT; + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_HhClose +** +** Description Disconnect a connection. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhClose(UINT8 dev_handle) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *)GKI_getbuf((UINT16)sizeof(BT_HDR))) != NULL) + { + memset(p_buf, 0, sizeof(BT_HDR)); + p_buf->event = BTA_HH_API_CLOSE_EVT; + p_buf->layer_specific = (UINT16) dev_handle; + + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_HhOpen +** +** Description Connect to a device of specified BD address in specified +** protocol mode and security level. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhOpen(BD_ADDR dev_bda, tBTA_HH_PROTO_MODE mode, tBTA_SEC sec_mask) +{ + tBTA_HH_API_CONN *p_buf; + + p_buf = (tBTA_HH_API_CONN *)GKI_getbuf((UINT16)sizeof(tBTA_HH_API_CONN)); + + if (p_buf!= NULL) + { + memset((void *)p_buf, 0, sizeof(tBTA_HH_API_CONN)); + + p_buf->hdr.event = BTA_HH_API_OPEN_EVT; + p_buf->hdr.layer_specific = BTA_HH_INVALID_HANDLE; + p_buf->sec_mask = sec_mask; + p_buf->mode = mode; + bdcpy(p_buf->bd_addr, dev_bda); + + bta_sys_sendmsg((void *)p_buf); + } + else + { + APPL_TRACE_ERROR0("No resource to send HID host Connect request."); + } +} + +/******************************************************************************* +** +** Function bta_hh_snd_write_dev +** +*******************************************************************************/ +static void bta_hh_snd_write_dev(UINT8 dev_handle, UINT8 t_type, UINT8 param, + UINT16 data, UINT8 rpt_id, BT_HDR *p_data) +{ + tBTA_HH_CMD_DATA *p_buf; + UINT16 len = (UINT16) (sizeof(tBTA_HH_CMD_DATA) ); + + if ((p_buf = (tBTA_HH_CMD_DATA *)GKI_getbuf(len))!= NULL) + { + memset(p_buf, 0, sizeof(tBTA_HH_CMD_DATA)); + + p_buf->hdr.event = BTA_HH_API_WRITE_DEV_EVT; + p_buf->hdr.layer_specific = (UINT16) dev_handle; + p_buf->t_type = t_type; + p_buf->data = data; + p_buf->param = param; + p_buf->p_data = p_data; + p_buf->rpt_id = rpt_id; + + bta_sys_sendmsg(p_buf); + } +} +/******************************************************************************* +** +** Function BTA_HhSetReport +** +** Description send SET_REPORT to device. +** +** Parameter dev_handle: device handle +** r_type: report type, could be BTA_HH_RPTT_OUTPUT or +** BTA_HH_RPTT_FEATURE. +** Returns void +** +*******************************************************************************/ +void BTA_HhSetReport(UINT8 dev_handle, tBTA_HH_RPT_TYPE r_type, BT_HDR *p_data) +{ + bta_hh_snd_write_dev(dev_handle, HID_TRANS_SET_REPORT, r_type, 0, 0, p_data); +} +/******************************************************************************* +** +** Function BTA_HhGetReport +** +** Description Send a GET_REPORT to HID device. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhGetReport(UINT8 dev_handle, tBTA_HH_RPT_TYPE r_type, UINT8 rpt_id, UINT16 buf_size) +{ + UINT8 param = (buf_size) ? (r_type | 0x08) : r_type; + + bta_hh_snd_write_dev(dev_handle, HID_TRANS_GET_REPORT, param, + buf_size, rpt_id, NULL); +} +/******************************************************************************* +** +** Function BTA_HhSetProtoMode +** +** Description This function set the protocol mode at specified HID handle +** +** Returns void +** +*******************************************************************************/ +void BTA_HhSetProtoMode(UINT8 dev_handle, tBTA_HH_PROTO_MODE p_type) +{ + bta_hh_snd_write_dev(dev_handle, HID_TRANS_SET_PROTOCOL, (UINT8)p_type, + 0, 0, NULL); +} +/******************************************************************************* +** +** Function BTA_HhGetProtoMode +** +** Description This function get protocol mode information. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhGetProtoMode(UINT8 dev_handle) +{ + bta_hh_snd_write_dev(dev_handle, HID_TRANS_GET_PROTOCOL, 0, 0, 0, NULL); +} +/******************************************************************************* +** +** Function BTA_HhSetIdle +** +** Description send SET_IDLE to device. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhSetIdle(UINT8 dev_handle, UINT16 idle_rate) +{ + bta_hh_snd_write_dev(dev_handle, HID_TRANS_SET_IDLE, 0, idle_rate, 0, NULL); +} + +/******************************************************************************* +** +** Function BTA_HhGetIdle +** +** Description Send a GET_IDLE from HID device. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhGetIdle(UINT8 dev_handle) +{ + bta_hh_snd_write_dev(dev_handle, HID_TRANS_GET_IDLE, 0, 0, 0, NULL); +} +/******************************************************************************* +** +** Function BTA_HhSendCtrl +** +** Description Send a control command to HID device. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhSendCtrl(UINT8 dev_handle, tBTA_HH_TRANS_CTRL_TYPE c_type) +{ + bta_hh_snd_write_dev(dev_handle, HID_TRANS_CONTROL, (UINT8)c_type, 0, 0, NULL); +} +/******************************************************************************* +** +** Function BTA_HhSendData +** +** Description This function send DATA transaction to HID device. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhSendData(UINT8 dev_handle, BD_ADDR dev_bda, BT_HDR *p_data) +{ + bta_hh_snd_write_dev(dev_handle, HID_TRANS_DATA, BTA_HH_RPTT_OUTPUT, 0, 0, p_data); +} + +/******************************************************************************* +** +** Function BTA_HhGetDscpInfo +** +** Description Get HID device report descriptor +** +** Returns void +** +*******************************************************************************/ +void BTA_HhGetDscpInfo(UINT8 dev_handle) +{ + BT_HDR *p_buf; + + if ((p_buf = (BT_HDR *)GKI_getbuf((UINT16)sizeof(BT_HDR))) != NULL) + { + memset(p_buf, 0, sizeof(BT_HDR)); + p_buf->event = BTA_HH_API_GET_DSCP_EVT; + p_buf->layer_specific = (UINT16) dev_handle; + + bta_sys_sendmsg(p_buf); + } +} + +/******************************************************************************* +** +** Function BTA_HhAddDev +** +** Description 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. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhAddDev(BD_ADDR bda, tBTA_HH_ATTR_MASK attr_mask, UINT8 sub_class, + UINT8 app_id, tBTA_HH_DEV_DSCP_INFO dscp_info) +{ + tBTA_HH_MAINT_DEV *p_buf; + UINT16 len = sizeof(tBTA_HH_MAINT_DEV) + dscp_info.descriptor.dl_len; + + p_buf = (tBTA_HH_MAINT_DEV *)GKI_getbuf(len); + + if (p_buf != NULL) + { + memset(p_buf, 0, sizeof(tBTA_HH_MAINT_DEV)); + + p_buf->hdr.event = BTA_HH_API_MAINT_DEV_EVT; + p_buf->sub_event = BTA_HH_ADD_DEV_EVT; + p_buf->hdr.layer_specific = BTA_HH_INVALID_HANDLE; + + p_buf->attr_mask = (UINT16) attr_mask; + p_buf->sub_class = sub_class; + p_buf->app_id = app_id; + bdcpy(p_buf->bda, bda); + + memcpy(&p_buf->dscp_info, &dscp_info, sizeof(tBTA_HH_DEV_DSCP_INFO)); + if ( dscp_info.descriptor.dl_len != 0 && dscp_info.descriptor.dsc_list) + { + p_buf->dscp_info.descriptor.dl_len = dscp_info.descriptor.dl_len; + p_buf->dscp_info.descriptor.dsc_list = (UINT8 *)(p_buf + 1); + memcpy(p_buf->dscp_info.descriptor.dsc_list, dscp_info.descriptor.dsc_list, dscp_info.descriptor.dl_len); + } + else + { + p_buf->dscp_info.descriptor.dsc_list = NULL; + p_buf->dscp_info.descriptor.dl_len = 0; + } + + bta_sys_sendmsg(p_buf); + } +} +/******************************************************************************* +** +** Function BTA_HhRemoveDev +** +** Description Remove a device from the HID host devices list. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhRemoveDev(UINT8 dev_handle ) +{ + tBTA_HH_MAINT_DEV *p_buf; + + p_buf = (tBTA_HH_MAINT_DEV *)GKI_getbuf((UINT16)sizeof(tBTA_HH_MAINT_DEV)); + + if (p_buf != NULL) + { + memset(p_buf, 0, sizeof(tBTA_HH_MAINT_DEV)); + + p_buf->hdr.event = BTA_HH_API_MAINT_DEV_EVT; + p_buf->sub_event = BTA_HH_RMV_DEV_EVT; + p_buf->hdr.layer_specific = (UINT16) dev_handle; + + bta_sys_sendmsg(p_buf); + } +} + +/*******************************************************************************/ +/* Utility Function */ +/*******************************************************************************/ + +/******************************************************************************* +** +** Function BTA_HhParseBootRpt +** +** Description This utility function parse a boot mode report. +** For keyboard report, report data will carry the keycode max +** up to 6 key press in one report. Application need to convert +** the keycode into keypress character according to keyboard +** language. +** +** Returns void +** +*******************************************************************************/ +void BTA_HhParseBootRpt(tBTA_HH_BOOT_RPT *p_data, UINT8 *p_report, + UINT16 report_len) +{ + p_data->dev_type = BTA_HH_DEVT_UNKNOWN; + + if (p_report) + { + /* first byte is report ID */ + switch (p_report[0]) + { + case BTA_HH_KEYBD_RPT_ID: /* key board report ID */ + p_data->dev_type = p_report[0]; + bta_hh_parse_keybd_rpt(p_data, p_report + 1, (UINT16)(report_len -1)); + break; + + case BTA_HH_MOUSE_RPT_ID: /* mouse report ID */ + p_data->dev_type = p_report[0]; + bta_hh_parse_mice_rpt(p_data, p_report + 1, (UINT16)(report_len - 1)); + break; + + default: + APPL_TRACE_DEBUG1("Unknown boot report: %d", p_report[0]);; + break; + } + } + + return; +} + +#endif /* BTA_HH_INCLUDED */ diff --git a/bta/hh/bta_hh_cfg.c b/bta/hh/bta_hh_cfg.c new file mode 100644 index 0000000..62a07ad --- /dev/null +++ b/bta/hh/bta_hh_cfg.c @@ -0,0 +1,65 @@ +/****************************************************************************** + * + * Copyright (C) 2005-2012 Broadcom Corporation + * + * 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. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains compile-time configurable constants for the BTA Hid + * Host. + * + ******************************************************************************/ + +#include "bt_target.h" +#include "bta_hh_api.h" + +/* max number of device types supported by BTA */ +#define BTA_HH_MAX_DEVT_SPT 7 + +/* size of database for service discovery */ +#ifndef BTA_HH_DISC_BUF_SIZE +#define BTA_HH_DISC_BUF_SIZE GKI_MAX_BUF_SIZE +#endif + +/* application ID(none-zero) for each type of device */ +#define BTA_HH_APP_ID_MI 1 +#define BTA_HH_APP_ID_KB 2 +#define BTA_HH_APP_ID_RMC 3 +#define BTA_HH_APP_ID_3DSG 4 + + +/* The type of devices supported by BTA HH and corresponding application ID */ +tBTA_HH_SPT_TOD p_devt_list[BTA_HH_MAX_DEVT_SPT] = +{ + {BTA_HH_DEVT_MIC, BTA_HH_APP_ID_MI}, + {BTA_HH_DEVT_KBD, BTA_HH_APP_ID_KB}, + {BTA_HH_DEVT_KBD|BTA_HH_DEVT_MIC, BTA_HH_APP_ID_KB}, + {BTA_HH_DEVT_RMC, BTA_HH_APP_ID_RMC}, + {BTA_HH_DEVT_RMC | BTA_HH_DEVT_KBD, BTA_HH_APP_ID_RMC}, + {BTA_HH_DEVT_MIC | BTA_HH_DEVT_DGT, BTA_HH_APP_ID_MI}, + {BTA_HH_DEVT_UNKNOWN, BTA_HH_APP_ID_3DSG} +}; + + +const tBTA_HH_CFG bta_hh_cfg = +{ + BTA_HH_MAX_DEVT_SPT, /* number of supported type of devices */ + p_devt_list, /* ToD & AppID list */ + BTA_HH_DISC_BUF_SIZE /* HH SDP discovery database size */ +}; + + +tBTA_HH_CFG *p_bta_hh_cfg = (tBTA_HH_CFG *)&bta_hh_cfg; diff --git a/bta/hh/bta_hh_int.h b/bta/hh/bta_hh_int.h new file mode 100644 index 0000000..f3a8e54 --- /dev/null +++ b/bta/hh/bta_hh_int.h @@ -0,0 +1,248 @@ +/****************************************************************************** + * + * Copyright (C) 2005-2012 Broadcom Corporation + * + * 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. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains BTA HID Host internal definitions + * + ******************************************************************************/ + +#ifndef BTA_HH_INT_H +#define BTA_HH_INT_H + +#include "bta_sys.h" +#include "bd.h" +#include "utl.h" +#include "bta_hh_api.h" + +/* can be moved to bta_api.h */ +#define BTA_HH_MAX_RPT_CHARS 8 + + +/* state machine events, these events are handled by the state machine */ +enum +{ + BTA_HH_API_OPEN_EVT = BTA_SYS_EVT_START(BTA_ID_HH), + BTA_HH_API_CLOSE_EVT, + BTA_HH_INT_OPEN_EVT, + BTA_HH_INT_CLOSE_EVT, + BTA_HH_INT_DATA_EVT, + BTA_HH_INT_CTRL_DATA, + BTA_HH_INT_HANDSK_EVT, + BTA_HH_SDP_CMPL_EVT, + BTA_HH_API_WRITE_DEV_EVT, + BTA_HH_API_GET_DSCP_EVT, + BTA_HH_API_MAINT_DEV_EVT, + BTA_HH_OPEN_CMPL_EVT, + + /* not handled by execute state machine */ + BTA_HH_API_ENABLE_EVT, + BTA_HH_API_DISABLE_EVT, + BTA_HH_DISC_CMPL_EVT +}; +typedef UINT16 tBTA_HH_INT_EVT; /* HID host internal events */ + +#define BTA_HH_INVALID_EVT (BTA_HH_DISC_CMPL_EVT + 1) + +/* event used to map between BTE event and BTA event */ +#define BTA_HH_FST_TRANS_CB_EVT BTA_HH_GET_RPT_EVT +#define BTA_HH_FST_BTE_TRANS_EVT HID_TRANS_GET_REPORT + +/* sub event code used for device maintainence API call */ +#define BTA_HH_ADD_DEV 0 +#define BTA_HH_REMOVE_DEV 1 + +/* state machine states */ +enum +{ + BTA_HH_NULL_ST, + BTA_HH_IDLE_ST, + BTA_HH_W4_CONN_ST, + BTA_HH_CONN_ST +}; +typedef UINT8 tBTA_HH_STATE; + +/* data structure used to send a command/data to HID device */ +typedef struct +{ + BT_HDR hdr; + UINT8 t_type; + UINT8 param; + UINT8 rpt_id; + UINT16 data; + BT_HDR *p_data; +}tBTA_HH_CMD_DATA; + +/* data type for BTA_HH_API_ENABLE_EVT */ +typedef struct +{ + BT_HDR hdr; + UINT8 sec_mask; + UINT8 service_name[BTA_SERVICE_NAME_LEN+1]; + tBTA_HH_CBACK *p_cback; +} tBTA_HH_API_ENABLE; + +typedef struct +{ + BT_HDR hdr; + BD_ADDR bd_addr; + UINT8 sec_mask; + tBTA_HH_PROTO_MODE mode; +}tBTA_HH_API_CONN; + +/* internal event data from BTE HID callback */ +typedef struct +{ + BT_HDR hdr; + UINT32 data; + BT_HDR *p_data; +}tBTA_HH_CBACK_DATA; + +typedef struct +{ + BT_HDR hdr; + BD_ADDR bda; + UINT16 attr_mask; + UINT16 sub_event; + UINT8 sub_class; + UINT8 app_id; + tBTA_HH_DEV_DSCP_INFO dscp_info; +}tBTA_HH_MAINT_DEV; + +/* union of all event data types */ +typedef union +{ + BT_HDR hdr; + tBTA_HH_API_ENABLE api_enable; + tBTA_HH_API_CONN api_conn; + tBTA_HH_CMD_DATA api_sndcmd; + tBTA_HH_CBACK_DATA hid_cback; + tBTA_HH_STATUS status; + tBTA_HH_MAINT_DEV api_maintdev; +} tBTA_HH_DATA; + +/* device control block */ +typedef struct +{ + tBTA_HH_DEV_DSCP_INFO dscp_info; /* report descriptor and DI information */ + BD_ADDR addr; /* BD-Addr of the HID device */ + UINT16 attr_mask; /* attribute mask */ + UINT16 w4_evt; /* W4_handshake event name */ + UINT8 index; /* index number referenced to handle index */ + UINT8 sub_class; /* Cod sub class */ + UINT8 sec_mask; /* security mask */ + UINT8 app_id; /* application ID for this connection */ + UINT8 hid_handle; /* device handle */ + BOOLEAN vp; /* virtually unplug flag */ + BOOLEAN in_use; /* control block currently in use */ + BOOLEAN incoming_conn; /* is incoming connection? */ + BOOLEAN opened; /* TRUE if device successfully opened HID connection */ + tBTA_HH_PROTO_MODE mode; /* protocol mode */ + tBTA_HH_STATE state; /* CB state */ +} tBTA_HH_DEV_CB; + +/* key board parsing control block */ +typedef struct +{ + BOOLEAN mod_key[4]; /* ctrl, shift(upper), Alt, GUI */ + BOOLEAN num_lock; + BOOLEAN caps_lock; + UINT8 last_report[BTA_HH_MAX_RPT_CHARS]; +} tBTA_HH_KB_CB; + +/****************************************************************************** +** Main Control Block +*******************************************************************************/ +typedef struct +{ + tBTA_HH_KB_CB kb_cb; /* key board control block, + suppose BTA will connect + to only one keyboard at + the same time */ + tBTA_HH_DEV_CB kdev[BTA_HH_MAX_KNOWN]; /* device control block */ + tBTA_HH_DEV_CB* p_cur; /* current device control + block idx, used in sdp */ + UINT8 cb_index[BTA_HH_MAX_KNOWN]; /* maintain a CB index + map to dev handle */ + tBTA_HH_CBACK *p_cback; /* Application callbacks */ + tSDP_DISCOVERY_DB* p_disc_db; + UINT8 trace_level; /* tracing level */ + UINT8 cnt_num; /* connected device number */ + BOOLEAN w4_disable; /* w4 disable flag */ +} +tBTA_HH_CB; + +#if BTA_DYNAMIC_MEMORY == FALSE +extern tBTA_HH_CB bta_hh_cb; +#else +extern tBTA_HH_CB *bta_hh_cb_ptr; +#define bta_hh_cb (*bta_hh_cb_ptr) +#endif + +/* from bta_hh_cfg.c */ +extern tBTA_HH_CFG *p_bta_hh_cfg; + +/***************************************************************************** +** Function prototypes +*****************************************************************************/ +extern BOOLEAN bta_hh_hdl_event(BT_HDR *p_msg); +extern void bta_hh_sm_execute(tBTA_HH_DEV_CB *p_cb, UINT16 event, + tBTA_HH_DATA *p_data); + +/* action functions */ +extern void bta_hh_api_disc_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_open_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_close_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_data_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); +extern void bta_hh_ctrl_dat_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA * p_data); +extern void bta_hh_start_sdp(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_sdp_cmpl(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_write_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_get_dscp_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_handsk_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_maint_dev_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); +extern void bta_hh_open_cmpl_act(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); + +/* utility functions */ +extern UINT8 bta_hh_find_cb(BD_ADDR bda); +extern void bta_hh_parse_keybd_rpt(tBTA_HH_BOOT_RPT *p_kb_data, + UINT8 *p_report, UINT16 report_len); +extern void bta_hh_parse_mice_rpt(tBTA_HH_BOOT_RPT *p_kb_data, + UINT8 *p_report, UINT16 report_len); +extern BOOLEAN bta_hh_tod_spt(tBTA_HH_DEV_CB *p_cb,UINT8 sub_class); +extern void bta_hh_clean_up_kdev(tBTA_HH_DEV_CB *p_cb); + +extern void bta_hh_add_device_to_list(tBTA_HH_DEV_CB *p_cb, UINT8 handle, + UINT16 attr_mask, + tHID_DEV_DSCP_INFO *p_dscp_info, + UINT8 sub_class, UINT16 max_latency, UINT16 min_tout, UINT8 app_id); +extern void bta_hh_update_di_info(tBTA_HH_DEV_CB *p_cb, UINT16 vendor_id, UINT16 product_id, + UINT16 version); + +/* action functions used outside state machine */ +extern void bta_hh_api_enable(tBTA_HH_DATA *p_data); +extern void bta_hh_api_disable(void); +extern void bta_hh_disc_cmpl(void); + + +#if BTA_HH_DEBUG +extern void bta_hh_trace_dev_db(void); +#endif + +#endif + diff --git a/bta/hh/bta_hh_main.c b/bta/hh/bta_hh_main.c new file mode 100644 index 0000000..a1d0ad2 --- /dev/null +++ b/bta/hh/bta_hh_main.c @@ -0,0 +1,441 @@ +/****************************************************************************** + * + * Copyright (C) 2005-2012 Broadcom Corporation + * + * 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. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This file contains the HID host main functions and state machine. + * + ******************************************************************************/ + +#include "bt_target.h" + +#if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE) + +#include <string.h> + +#include "bta_hh_api.h" +#include "bta_hh_int.h" +#include "gki.h" + +/***************************************************************************** +** Constants and types +*****************************************************************************/ + +/* state machine action enumeration list */ +enum +{ + BTA_HH_API_DISC_ACT, /* HID host process API close action */ + BTA_HH_OPEN_ACT, /* HID host process BTA_HH_EVT_OPEN */ + BTA_HH_CLOSE_ACT, /* HID host process BTA_HH_EVT_CLOSE */ + BTA_HH_DATA_ACT, /* HID host receive data report */ + BTA_HH_CTRL_DAT_ACT, + BTA_HH_HANDSK_ACT, + BTA_HH_START_SDP, /* HID host inquery */ + BTA_HH_SDP_CMPL, + BTA_HH_WRITE_DEV_ACT, + BTA_HH_GET_DSCP_ACT, + BTA_HH_MAINT_DEV_ACT, + BTA_HH_OPEN_CMPL_ACT, + BTA_HH_NUM_ACTIONS +}; + +#define BTA_HH_IGNORE BTA_HH_NUM_ACTIONS + +/* type for action functions */ +typedef void (*tBTA_HH_ACTION)(tBTA_HH_DEV_CB *p_cb, tBTA_HH_DATA *p_data); + +/* action functions */ +const tBTA_HH_ACTION bta_hh_action[] = +{ + bta_hh_api_disc_act, + bta_hh_open_act, + bta_hh_close_act, + bta_hh_data_act, + bta_hh_ctrl_dat_act, + bta_hh_handsk_act, + bta_hh_start_sdp, + bta_hh_sdp_cmpl, + bta_hh_write_dev_act, + bta_hh_get_dscp_act, + bta_hh_maint_dev_act, + bta_hh_open_cmpl_act +}; + +/* state table information */ +#define BTA_HH_ACTION 0 /* position of action */ +#define BTA_HH_NEXT_STATE 1 /* position of next state */ +#define BTA_HH_NUM_COLS 2 /* number of columns */ + +/* state table for idle state */ +const UINT8 bta_hh_st_idle[][BTA_HH_NUM_COLS] = +{ +/* Event Action Next state */ +/* BTA_HH_API_OPEN_EVT */ {BTA_HH_START_SDP, BTA_HH_W4_CONN_ST }, +/* BTA_HH_API_CLOSE_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_INT_OPEN_EVT */ {BTA_HH_OPEN_ACT, BTA_HH_W4_CONN_ST }, +/* BTA_HH_INT_CLOSE_EVT */ {BTA_HH_CLOSE_ACT, BTA_HH_IDLE_ST }, +/* BTA_HH_INT_DATA_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_INT_CTRL_DATA */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_INT_HANDSK_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_SDP_CMPL_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_API_WRITE_DEV_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_API_GET_DSCP_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_API_MAINT_DEV_EVT */ {BTA_HH_MAINT_DEV_ACT, BTA_HH_IDLE_ST }, +/* BTA_HH_OPEN_CMPL_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST } + +}; + + +const UINT8 bta_hh_st_w4_conn[][BTA_HH_NUM_COLS] = +{ +/* Event Action Next state */ +/* BTA_HH_API_OPEN_EVT */ {BTA_HH_IGNORE, BTA_HH_W4_CONN_ST }, +/* BTA_HH_API_CLOSE_EVT */ {BTA_HH_IGNORE, BTA_HH_IDLE_ST }, +/* BTA_HH_INT_OPEN_EVT */ {BTA_HH_OPEN_ACT, BTA_HH_W4_CONN_ST }, +/* BTA_HH_INT_CLOSE_EVT */ {BTA_HH_CLOSE_ACT, BTA_HH_IDLE_ST }, +/* BTA_HH_INT_DATA_EVT */ {BTA_HH_IGNORE, BTA_HH_W4_CONN_ST }, +/* BTA_HH_INT_CTRL_DATA */ {BTA_HH_IGNORE, BTA_HH_W4_CONN_ST }, +/* BTA_HH_INT_HANDSK_EVT */ {BTA_HH_IGNORE, BTA_HH_W4_CONN_ST }, +/* BTA_HH_SDP_CMPL_EVT */ {BTA_HH_SDP_CMPL, BTA_HH_W4_CONN_ST }, +/* BTA_HH_API_WRITE_DEV_EVT */ {BTA_HH_IGNORE , BTA_HH_W4_CONN_ST }, +/* BTA_HH_API_GET_DSCP_EVT */ {BTA_HH_IGNORE, BTA_HH_W4_CONN_ST }, +/* BTA_HH_API_MAINT_DEV_EVT */ {BTA_HH_MAINT_DEV_ACT, BTA_HH_IDLE_ST }, +/* BTA_HH_OPEN_CMPL_EVT */ {BTA_HH_OPEN_CMPL_ACT, BTA_HH_CONN_ST } +}; + + +const UINT8 bta_hh_st_connected[][BTA_HH_NUM_COLS] = +{ +/* Event Action Next state */ +/* BTA_HH_API_OPEN_EVT */ {BTA_HH_IGNORE, BTA_HH_CONN_ST }, +/* BTA_HH_API_CLOSE_EVT */ {BTA_HH_API_DISC_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_INT_OPEN_EVT */ {BTA_HH_OPEN_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_INT_CLOSE_EVT */ {BTA_HH_CLOSE_ACT, BTA_HH_IDLE_ST }, +/* BTA_HH_INT_DATA_EVT */ {BTA_HH_DATA_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_INT_CTRL_DATA */ {BTA_HH_CTRL_DAT_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_INT_HANDSK_EVT */ {BTA_HH_HANDSK_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_SDP_CMPL_EVT */ {BTA_HH_IGNORE, BTA_HH_CONN_ST }, +/* BTA_HH_API_WRITE_DEV_EVT */ {BTA_HH_WRITE_DEV_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_API_GET_DSCP_EVT */ {BTA_HH_GET_DSCP_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_API_MAINT_DEV_EVT */ {BTA_HH_MAINT_DEV_ACT, BTA_HH_CONN_ST }, +/* BTA_HH_OPEN_CMPL_EVT */ {BTA_HH_IGNORE, BTA_HH_CONN_ST } +}; + +/* type for state table */ +typedef const UINT8 (*tBTA_HH_ST_TBL)[BTA_HH_NUM_COLS]; + +/* state table */ +const tBTA_HH_ST_TBL bta_hh_st_tbl[] = +{ + bta_hh_st_idle, + bta_hh_st_w4_conn, + bta_hh_st_connected +}; + +/***************************************************************************** +** Global data +*****************************************************************************/ +#if BTA_DYNAMIC_MEMORY == FALSE +tBTA_HH_CB bta_hh_cb; +#endif +/***************************************************************************** +** Static functions +*****************************************************************************/ +#if BTA_HH_DEBUG == TRUE +static char *bta_hh_evt_code(tBTA_HH_INT_EVT evt_code); +static char *bta_hh_state_code(tBTA_HH_STATE state_code); +#endif + +/******************************************************************************* +** +** Function bta_hh_sm_execute +** +** Description State machine event handling function for HID Host +** +** +** Returns void +** +*******************************************************************************/ +void bta_hh_sm_execute(tBTA_HH_DEV_CB *p_cb, UINT16 event, tBTA_HH_DATA * p_data) +{ + tBTA_HH_ST_TBL state_table; + UINT8 action; + tBTA_HH cback_data; + tBTA_HH_EVT cback_event = 0; +#if BTA_HH_DEBUG == TRUE + tBTA_HH_STATE in_state ; + UINT16 debug_event = event; +#endif + + memset(&cback_data, 0, sizeof(tBTA_HH)); + + /* handle exception, no valid control block was found */ + if (!p_cb) + { + /* BTA HH enabled already? otherwise ignore the event although it's bad*/ + if (bta_hh_cb.p_cback != NULL) + { + switch (event) + { + /* no control block available for new connection */ + case BTA_HH_API_OPEN_EVT: + cback_event = BTA_HH_OPEN_EVT; + /* build cback data */ + bdcpy(cback_data.conn.bda, ((tBTA_HH_API_CONN *)p_data)->bd_addr); + cback_data.conn.status = BTA_HH_ERR_DB_FULL; + cback_data.conn.handle = BTA_HH_INVALID_HANDLE; + break; + /* DB full, BTA_HhAddDev */ + case BTA_HH_API_MAINT_DEV_EVT: + cback_event = p_data->api_maintdev.sub_event; + + if (p_data->api_maintdev.sub_event == BTA_HH_ADD_DEV_EVT) + { + bdcpy(cback_data.dev_info.bda, p_data->api_maintdev.bda); + cback_data.dev_info.status = BTA_HH_ERR_DB_FULL; + cback_data.dev_info.handle = BTA_HH_INVALID_HANDLE; + } + else + { + cback_data.dev_info.status = BTA_HH_ERR_HDL; + cback_data.dev_info.handle = (UINT8)p_data->api_maintdev.hdr.layer_specific; + } + break; + case BTA_HH_API_WRITE_DEV_EVT: + cback_event = (p_data->api_sndcmd.t_type - BTA_HH_FST_BTE_TRANS_EVT) + + BTA_HH_FST_TRANS_CB_EVT; + if (p_data->api_sndcmd.t_type == HID_TRANS_SET_PROTOCOL || + p_data->api_sndcmd.t_type == HID_TRANS_SET_REPORT || + p_data->api_sndcmd.t_type == HID_TRANS_SET_IDLE) + { + cback_data.dev_status.status = BTA_HH_ERR_HDL; + cback_data.dev_status.handle = (UINT8)p_data->api_sndcmd.hdr.layer_specific; + } + else if (p_data->api_sndcmd.t_type != HID_TRANS_DATA && + p_data->api_sndcmd.t_type != HID_TRANS_CONTROL) + { + cback_data.hs_data.handle = (UINT8)p_data->api_sndcmd.hdr.layer_specific; + cback_data.hs_data.status = BTA_HH_ERR_HDL; + /* hs_data.rsp_data will be all zero, which is not valid value */ + } + break; + + case BTA_HH_API_CLOSE_EVT: + cback_event = BTA_HH_CLOSE_EVT; + + cback_data.dev_status.status = BTA_HH_ERR_HDL; + cback_data.dev_status.handle = (UINT8)p_data->api_sndcmd.hdr.layer_specific; + break; + + default: + /* invalid handle, call bad API event */ + APPL_TRACE_ERROR1("wrong device handle: [%d]", p_data->hdr.layer_specific); + break; + } + if (cback_event) + (* bta_hh_cb.p_cback)(cback_event, &cback_data); + } + } + /* corresponding CB is found, go to state machine */ + else + { +#if BTA_HH_DEBUG == TRUE + in_state = p_cb->state; + APPL_TRACE_EVENT3("bta_hh_sm_execute: State 0x%02x [%s], Event [%s]", + in_state, bta_hh_state_code(in_state), + bta_hh_evt_code(debug_event)); +#endif + + state_table = bta_hh_st_tbl[p_cb->state - 1]; + + event &= 0xff; + + p_cb->state = state_table[event][BTA_HH_NEXT_STATE] ; + + if ((action = state_table[event][BTA_HH_ACTION]) != BTA_HH_IGNORE) + { + (*bta_hh_action[action])(p_cb, p_data); + } + +#if BTA_HH_DEBUG == TRUE + if (in_state != p_cb->state) + { + APPL_TRACE_DEBUG3("HH State Change: [%s] -> [%s] after Event [%s]", + bta_hh_state_code(in_state), + bta_hh_state_code(p_cb->state), + bta_hh_evt_code(debug_event)); + } +#endif + } + + return; +} +/******************************************************************************* +** +** Function bta_hh_hdl_event +** +** Description HID host main event handling function. +** +** +** Returns void +** +*******************************************************************************/ +BOOLEAN bta_hh_hdl_event(BT_HDR *p_msg) +{ + UINT8 index = BTA_HH_MAX_KNOWN; + tBTA_HH_DEV_CB *p_cb = NULL; + + switch (p_msg->event) + { + case BTA_HH_API_ENABLE_EVT: + bta_hh_api_enable((tBTA_HH_DATA *) p_msg); + break; + + case BTA_HH_API_DISABLE_EVT: + bta_hh_api_disable(); + break; + + case BTA_HH_DISC_CMPL_EVT: /* disable complete */ + bta_hh_disc_cmpl(); + break; + + default: + /* all events processed in state machine need to find corresponding + CB before proceed */ + if (p_msg->event == BTA_HH_API_OPEN_EVT) + { + index = bta_hh_find_cb(((tBTA_HH_API_CONN *)p_msg)->bd_addr); + } + else if (p_msg->event == BTA_HH_API_MAINT_DEV_EVT) + { + /* if add device */ + if (((tBTA_HH_MAINT_DEV *)p_msg)->sub_event == BTA_HH_ADD_DEV_EVT) + { + index = bta_hh_find_cb(((tBTA_HH_MAINT_DEV *)p_msg)->bda); + } + else /* else remove device by handle */ + { + index = bta_hh_cb.cb_index[p_msg->layer_specific]; +// btla-specific ++ + /* If BT disable is done while the HID device is connected and Link_Key uses unauthenticated combination + * then we can get into a situation where remove_bonding is called with the index set to 0 (without getting + * cleaned up). Only when VIRTUAL_UNPLUG is called do we cleanup the index and make it MAX_KNOWN. + * So if REMOVE_DEVICE is called and in_use is FALSE then we should treat this as a NULL p_cb. Hence we + * force the index to be MAX_KNOWN + */ + if (bta_hh_cb.kdev[index].in_use == FALSE) { + index = BTA_HH_MAX_KNOWN; + } +// btla-specific -- + } + } + else if (p_msg->layer_specific < BTA_HH_MAX_KNOWN ) + index = bta_hh_cb.cb_index[p_msg->layer_specific]; + + if (index != BTA_HH_MAX_KNOWN) + p_cb = &bta_hh_cb.kdev[index]; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG2("bta_hh_hdl_event:: handle = %d dev_cb[%d] ", p_msg->layer_specific, index); +#endif + bta_hh_sm_execute(p_cb, p_msg->event, (tBTA_HH_DATA *) p_msg); + } + return (TRUE); +} + +/***************************************************************************** +** Debug Functions +*****************************************************************************/ +#if BTA_HH_DEBUG +/******************************************************************************* +** +** Function bta_hh_evt_code +** +** Description +** +** Returns void +** +*******************************************************************************/ +static char *bta_hh_evt_code(tBTA_HH_INT_EVT evt_code) +{ + switch(evt_code) + { + case BTA_HH_API_DISABLE_EVT: + return "BTA_HH_API_DISABLE_EVT"; + case BTA_HH_API_ENABLE_EVT: + return "BTA_HH_API_ENABLE_EVT"; + case BTA_HH_API_OPEN_EVT: + return "BTA_HH_API_OPEN_EVT"; + case BTA_HH_API_CLOSE_EVT: + return "BTA_HH_API_CLOSE_EVT"; + case BTA_HH_INT_OPEN_EVT: + return "BTA_HH_INT_OPEN_EVT"; + case BTA_HH_INT_CLOSE_EVT: + return "BTA_HH_INT_CLOSE_EVT"; + case BTA_HH_INT_HANDSK_EVT: + return "BTA_HH_INT_HANDSK_EVT"; + case BTA_HH_INT_DATA_EVT: + return "BTA_HH_INT_DATA_EVT"; + case BTA_HH_INT_CTRL_DATA: + return "BTA_HH_INT_CTRL_DATA"; + case BTA_HH_API_WRITE_DEV_EVT: + return "BTA_HH_API_WRITE_DEV_EVT"; + case BTA_HH_SDP_CMPL_EVT: + return "BTA_HH_SDP_CMPL_EVT"; + case BTA_HH_DISC_CMPL_EVT: + return "BTA_HH_DISC_CMPL_EVT"; + case BTA_HH_API_MAINT_DEV_EVT: + return "BTA_HH_API_MAINT_DEV_EVT"; + case BTA_HH_API_GET_DSCP_EVT: + return "BTA_HH_API_GET_DSCP_EVT"; + case BTA_HH_OPEN_CMPL_EVT: + return "BTA_HH_OPEN_CMPL_EVT"; + default: + return "unknown HID Host event code"; + } +} + +/******************************************************************************* +** +** Function bta_hh_state_code +** +** Description get string representation of HID host state code. +** +** Returns void +** +*******************************************************************************/ +static char *bta_hh_state_code(tBTA_HH_STATE state_code) +{ + switch (state_code) + { + case BTA_HH_NULL_ST: + return"BTA_HH_NULL_ST"; + case BTA_HH_IDLE_ST: + return "BTA_HH_IDLE_ST"; + case BTA_HH_W4_CONN_ST: + return "BTA_HH_W4_CONN_ST"; + case BTA_HH_CONN_ST: + return "BTA_HH_CONN_ST"; + default: + return "unknown HID Host state"; + } +} + +#endif /* Debug Functions */ + +#endif /* BTA_HH_INCLUDED */ diff --git a/bta/hh/bta_hh_utils.c b/bta/hh/bta_hh_utils.c new file mode 100644 index 0000000..4349282 --- /dev/null +++ b/bta/hh/bta_hh_utils.c @@ -0,0 +1,417 @@ +/****************************************************************************** + * + * Copyright (C) 2005-2012 Broadcom Corporation + * + * 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. + * + ******************************************************************************/ +#include <string.h> + +#include "bt_target.h" +#if defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE) + + +#include "bta_hh_int.h" + +/***************************************************************************** +** Constants +*****************************************************************************/ +#define BTA_HH_KB_CTRL_MASK 0x11 +#define BTA_HH_KB_SHIFT_MASK 0x22 +#define BTA_HH_KB_ALT_MASK 0x44 +#define BTA_HH_KB_GUI_MASK 0x88 + +#define BTA_HH_KB_CAPS_LOCK 0x39 /* caps lock */ +#define BTA_HH_KB_NUM_LOCK 0x53 /* num lock */ + + +#define BTA_HH_MAX_RPT_CHARS 8 + +static const UINT8 bta_hh_mod_key_mask[BTA_HH_MOD_MAX_KEY] = +{ + BTA_HH_KB_CTRL_MASK, + BTA_HH_KB_SHIFT_MASK, + BTA_HH_KB_ALT_MASK, + BTA_HH_KB_GUI_MASK +}; + + +/******************************************************************************* +** +** Function bta_hh_find_cb +** +** Description Find best available control block according to BD address. +** +** +** Returns void +** +*******************************************************************************/ +UINT8 bta_hh_find_cb(BD_ADDR bda) +{ + UINT8 xx; + + /* See how many active devices there are. */ + for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx++) + { + /* check if any active/known devices is a match */ + if ((!bdcmp (bda, bta_hh_cb.kdev[xx].addr) && + bdcmp(bda, bd_addr_null) != 0) ) + { +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG2("found kdev_cb[%d] hid_handle = %d ", xx, + bta_hh_cb.kdev[xx].hid_handle) +#endif + return xx; + } +#if BTA_HH_DEBUG + else + APPL_TRACE_DEBUG4("in_use ? [%d] kdev[%d].hid_handle = %d state = [%d]", + bta_hh_cb.kdev[xx].in_use, xx, + bta_hh_cb.kdev[xx].hid_handle, + bta_hh_cb.kdev[xx].state); +#endif + } + + /* if no active device match, find a spot for it */ + for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx++) + { + if (!bta_hh_cb.kdev[xx].in_use) + { + bdcpy(bta_hh_cb.kdev[xx].addr, bda); + break; + } + } + /* If device list full, report BTA_HH_MAX_KNOWN */ +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG2("bta_hh_find_cb:: index = %d while max = %d", + xx, BTA_HH_MAX_KNOWN); +#endif + + return xx; +} + +/******************************************************************************* +** +** Function bta_hh_clean_up_kdev +** +** Description Clean up device control block when device is removed from +** manitainace list, and update control block index map. +** +** Returns void +** +*******************************************************************************/ +void bta_hh_clean_up_kdev(tBTA_HH_DEV_CB *p_cb) +{ + UINT8 index; + + if (p_cb->hid_handle != BTA_HH_INVALID_HANDLE ) + bta_hh_cb.cb_index[p_cb->hid_handle] = BTA_HH_MAX_KNOWN; + + /* reset device control block */ + index = p_cb->index; /* Preserve index for this control block */ + + /* Free buffer for report descriptor info */ + utl_freebuf((void **)&p_cb->dscp_info.descriptor.dsc_list); + + memset(p_cb, 0, sizeof (tBTA_HH_DEV_CB)); /* Reset control block */ + + p_cb->index = index; /* Restore index for this control block */ + p_cb->state = BTA_HH_IDLE_ST; + p_cb->hid_handle = BTA_HH_INVALID_HANDLE; + +} +/******************************************************************************* +** +** Function bta_hh_update_di_info +** +** Description Maintain a known device list for BTA HH. +** +** Returns void +** +*******************************************************************************/ +void bta_hh_update_di_info(tBTA_HH_DEV_CB *p_cb, UINT16 vendor_id, UINT16 product_id, + UINT16 version) +{ +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG3("vendor_id = 0x%2x product_id = 0x%2x version = 0x%2x", + vendor_id, product_id, version); +#endif + p_cb->dscp_info.vendor_id = vendor_id; + p_cb->dscp_info.product_id = product_id; + p_cb->dscp_info.version = version; +} +/******************************************************************************* +** +** Function bta_hh_add_device_to_list +** +** Description Maintain a known device list for BTA HH. +** +** Returns void +** +*******************************************************************************/ +void bta_hh_add_device_to_list(tBTA_HH_DEV_CB *p_cb, UINT8 handle, + UINT16 attr_mask, + tHID_DEV_DSCP_INFO *p_dscp_info, + UINT8 sub_class, + UINT16 ssr_max_latency, + UINT16 ssr_min_tout, + UINT8 app_id) +{ +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("subclass = 0x%2x", sub_class); +#endif + + p_cb->hid_handle = handle; + p_cb->in_use = TRUE; + p_cb->attr_mask = attr_mask; + + p_cb->sub_class = sub_class; + p_cb->app_id = app_id; + + if (ssr_max_latency == HID_SSR_PARAM_INVALID) + p_cb->dscp_info.ssr_max_latency = BTA_HH_SSR_MAX_LATENCY_DEF; + else + p_cb->dscp_info.ssr_max_latency = ssr_max_latency; + + if (ssr_min_tout == HID_SSR_PARAM_INVALID) + p_cb->dscp_info.ssr_min_tout = BTA_HH_SSR_MIN_TOUT_DEF; + else + p_cb->dscp_info.ssr_min_tout = ssr_min_tout; + + /* store report descriptor info */ + if ( p_dscp_info) + { + utl_freebuf((void **)&p_cb->dscp_info.descriptor.dsc_list); + + if (p_dscp_info->dl_len && + (p_cb->dscp_info.descriptor.dsc_list = + (UINT8 *)GKI_getbuf(p_dscp_info->dl_len)) != NULL) + { + p_cb->dscp_info.descriptor.dl_len = p_dscp_info->dl_len; + memcpy(p_cb->dscp_info.descriptor.dsc_list, p_dscp_info->dsc_list, + p_dscp_info->dl_len); + } + } + return; +} + +/******************************************************************************* +** +** Function bta_hh_tod_spt +** +** Description Check to see if this type of device is supported +** +** Returns +** +*******************************************************************************/ +BOOLEAN bta_hh_tod_spt(tBTA_HH_DEV_CB *p_cb,UINT8 sub_class) +{ + UINT8 xx; + UINT8 cod = (sub_class >> 2); /* lower two bits are reserved */ + + for (xx = 0 ; xx < p_bta_hh_cfg->max_devt_spt; xx ++) + { + if (cod == (UINT8) p_bta_hh_cfg->p_devt_list[xx].tod) + { + p_cb->app_id = p_bta_hh_cfg->p_devt_list[xx].app_id; +#if BTA_HH_DEBUG + APPL_TRACE_EVENT1("bta_hh_tod_spt sub_class:0x%x supported", sub_class); +#endif + return TRUE; + } + } +#if BTA_HH_DEBUG + APPL_TRACE_EVENT1("bta_hh_tod_spt sub_class:0x%x NOT supported", sub_class); +#endif + return FALSE; +} + + +/******************************************************************************* +** +** Function bta_hh_parse_keybd_rpt +** +** Description This utility function parse a boot mode keyboard report. +** +** Returns void +** +*******************************************************************************/ +void bta_hh_parse_keybd_rpt(tBTA_HH_BOOT_RPT *p_kb_data, UINT8 *p_report, + UINT16 report_len) +{ + tBTA_HH_KB_CB *p_kb = &bta_hh_cb.kb_cb; + tBTA_HH_KEYBD_RPT *p_data = &p_kb_data->data_rpt.keybd_rpt; + + UINT8 this_char, ctl_shift; + UINT16 xx, yy, key_idx = 0; + UINT8 this_report[BTA_HH_MAX_RPT_CHARS]; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG2("bta_hh_parse_keybd_rpt: (report=%p, report_len=%d) called", + p_report, report_len); +#endif + + if (report_len < 2) + return; + + ctl_shift = *p_report++; + report_len--; + + if (report_len > BTA_HH_MAX_RPT_CHARS) + report_len = BTA_HH_MAX_RPT_CHARS; + + memset (this_report, 0, BTA_HH_MAX_RPT_CHARS); + memset (p_data, 0, sizeof(tBTA_HH_KEYBD_RPT)); + memcpy (this_report, p_report, report_len); + + /* Take care of shift, control, GUI and alt, modifier keys */ + for (xx = 0; xx < BTA_HH_MOD_MAX_KEY; xx ++ ) + { + if (ctl_shift & bta_hh_mod_key_mask[xx]) + { + APPL_TRACE_DEBUG1("Mod Key[%02x] pressed", bta_hh_mod_key_mask[xx] ); + p_kb->mod_key[xx] = TRUE; + } + else if (p_kb->mod_key[xx]) + { + p_kb->mod_key[xx] = FALSE; + } + /* control key flag is set */ + p_data->mod_key[xx] = p_kb->mod_key[xx]; + } + + /***************************************************************************/ + /* First step is to remove all characters we saw in the last report */ + /***************************************************************************/ + for (xx = 0; xx < report_len; xx++) + { + for (yy = 0; yy < BTA_HH_MAX_RPT_CHARS; yy++) + { + if (this_report[xx] == p_kb->last_report[yy]) + { + this_report[xx] = 0; + } + } + } + /***************************************************************************/ + /* Now, process all the characters in the report, up to 6 keycodes */ + /***************************************************************************/ + for (xx = 0; xx < report_len; xx++) + { +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("this_char = %02x", this_report[xx]); +#endif + if ((this_char = this_report[xx]) == 0) + continue; + /* take the key code as the report data */ + if (this_report[xx] == BTA_HH_KB_CAPS_LOCK) + p_kb->caps_lock = p_kb->caps_lock ? FALSE : TRUE; + else if (this_report[xx] == BTA_HH_KB_NUM_LOCK) + p_kb->num_lock = p_kb->num_lock ? FALSE : TRUE; + else + p_data->this_char[key_idx ++] = this_char; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("found keycode %02x ", this_report[xx]); +#endif + p_data->caps_lock = p_kb->caps_lock; + p_kb->num_lock = p_kb->num_lock; + } + + memset (p_kb->last_report, 0, BTA_HH_MAX_RPT_CHARS); + memcpy (p_kb->last_report, p_report, report_len); + + return; +} + +/******************************************************************************* +** +** Function bta_hh_parse_mice_rpt +** +** Description This utility function parse a boot mode mouse report. +** +** Returns void +** +*******************************************************************************/ +void bta_hh_parse_mice_rpt(tBTA_HH_BOOT_RPT *p_mice_data, UINT8 *p_report, + UINT16 report_len) +{ + tBTA_HH_MICE_RPT *p_data = &p_mice_data->data_rpt.mice_rpt; +#if BTA_HH_DEBUG + UINT8 xx; + + APPL_TRACE_DEBUG2("bta_hh_parse_mice_rpt: bta_keybd_rpt_rcvd(report=%p, \ + report_len=%d) called", p_report, report_len); +#endif + + if (report_len < 3) + return; + + if (report_len > BTA_HH_MAX_RPT_CHARS) + report_len = BTA_HH_MAX_RPT_CHARS; + +#if BTA_HH_DEBUG + for (xx = 0; xx < report_len; xx++) + { + APPL_TRACE_DEBUG1("this_char = %02x", p_report[xx]); + } +#endif + + /* only first bytes lower 3 bits valid */ + p_data->mouse_button = (p_report[0] & 0x07); + + /* x displacement */ + p_data->delta_x = p_report[1]; + + /* y displacement */ + p_data->delta_y = p_report[2]; + +#if BTA_HH_DEBUG + APPL_TRACE_DEBUG1("mice button: 0x%2x", p_data->mouse_button); + APPL_TRACE_DEBUG2("mice move: x = %d y = %d", p_data->delta_x, + p_data->delta_y ); +#endif + + return; + +} + +#if BTA_HH_DEBUG +/******************************************************************************* +** +** Function bta_hh_trace_dev_db +** +** Description Check to see if this type of device is supported +** +** Returns +** +*******************************************************************************/ +void bta_hh_trace_dev_db(void) +{ + UINT8 xx; + + APPL_TRACE_DEBUG0("bta_hh_trace_dev_db:: Device DB list********************"); + + for (xx = 0; xx < BTA_HH_MAX_KNOWN; xx++) + { + APPL_TRACE_DEBUG3("kdev[%d] in_use[%d] handle[%d] ",xx, + bta_hh_cb.kdev[xx].in_use, bta_hh_cb.kdev[xx].hid_handle); + + APPL_TRACE_DEBUG4("\t\t\t attr_mask[%04x] state [%d] sub_class[%02x] index = %d", + bta_hh_cb.kdev[xx].attr_mask, bta_hh_cb.kdev[xx].state, + bta_hh_cb.kdev[xx].sub_class, bta_hh_cb.kdev[xx].index); + } + APPL_TRACE_DEBUG0("*********************************************************"); +} +#endif +#endif /* HL_INCLUDED */ |