478 lines
16 KiB
C
478 lines
16 KiB
C
/******************************************************************************
|
|
*
|
|
* 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"
|
|
#include "utl.h"
|
|
|
|
#define LOG_TAG "bt_bta_hh"
|
|
#include "osi/include/log.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, tBTA_HH_CBACK *p_cback)
|
|
{
|
|
tBTA_HH_API_ENABLE *p_buf;
|
|
|
|
/* register with BTA system manager */
|
|
bta_sys_register(BTA_ID_HH, &bta_hh_reg);
|
|
|
|
LOG_INFO("%s sec_mask:0x%x p_cback:%p", __func__, sec_mask, p_cback);
|
|
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_ERROR("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.
|
|
**
|
|
** Parameter dev_handle: device handle
|
|
** dev_bda: remote device address
|
|
** p_data: data to be sent in the DATA transaction; or
|
|
** the data to be write into the Output Report of a LE HID
|
|
** device. The report is identified the report ID which is
|
|
** the value of the byte (UINT8 *)(p_buf + 1) + p_buf->offset.
|
|
** p_data->layer_specific needs to be set to the report type,
|
|
** it can be OUTPUT report, or FEATURE report.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void BTA_HhSendData(UINT8 dev_handle, BD_ADDR dev_bda, BT_HDR *p_data)
|
|
{
|
|
UNUSED(dev_bda);
|
|
#if (defined BTA_HH_LE_INCLUDED && BTA_HH_LE_INCLUDED == TRUE)
|
|
if (p_data->layer_specific != BTA_HH_RPTT_OUTPUT) {
|
|
APPL_TRACE_ERROR("ERROR! Wrong report type! Write Command only valid for output report!");
|
|
return;
|
|
}
|
|
#endif
|
|
bta_hh_snd_write_dev(dev_handle, HID_TRANS_DATA, (UINT8)p_data->layer_specific, 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);
|
|
}
|
|
}
|
|
#if BTA_HH_LE_INCLUDED == TRUE
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function BTA_HhUpdateLeScanParam
|
|
**
|
|
** Description Update the scan paramteters if connected to a LE hid device as
|
|
** report host.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void BTA_HhUpdateLeScanParam(UINT8 dev_handle, UINT16 scan_int, UINT16 scan_win)
|
|
{
|
|
tBTA_HH_SCPP_UPDATE *p_buf;
|
|
|
|
p_buf = (tBTA_HH_SCPP_UPDATE *)GKI_getbuf((UINT16)sizeof(tBTA_HH_SCPP_UPDATE));
|
|
|
|
if (p_buf != NULL) {
|
|
memset(p_buf, 0, sizeof(tBTA_HH_SCPP_UPDATE));
|
|
|
|
p_buf->hdr.event = BTA_HH_API_SCPP_UPDATE_EVT;
|
|
p_buf->hdr.layer_specific = (UINT16) dev_handle;
|
|
p_buf->scan_int = scan_int;
|
|
p_buf->scan_win = scan_win;
|
|
|
|
bta_sys_sendmsg(p_buf);
|
|
}
|
|
}
|
|
#endif
|
|
/*******************************************************************************/
|
|
/* 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_DEBUG("Unknown boot report: %d", p_report[0]);;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
#endif /* BTA_HH_INCLUDED */
|