bta_hh_co.cc revision 433fe016392c7ae003033530f1b3994f2ddad313
15738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/****************************************************************************** 25738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 35738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Copyright (C) 2009-2012 Broadcom Corporation 45738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 55738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 65738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * you may not use this file except in compliance with the License. 75738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * You may obtain a copy of the License at: 85738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 95738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * See the License for the specific language governing permissions and 155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * limitations under the License. 165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project * 175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ******************************************************************************/ 185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project//#if (defined(BTA_HH_INCLUDED) && (BTA_HH_INCLUDED == TRUE)) 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <ctype.h> 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <fcntl.h> 23689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project#include <sys/poll.h> 24689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project#include <pthread.h> 255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdio.h> 265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdint.h> 285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <errno.h> 295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <linux/uhid.h> 305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "btif_hh.h" 315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "bta_api.h" 325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "bta_hh_api.h" 335cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen#include "btif_util.h" 34433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#include "bta_hh_co.h" 355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectconst char *dev_path = "/dev/uhid"; 375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 38433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE) 39433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#include "btif_config.h" 40433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#define BTA_HH_NV_LOAD_MAX 16 41433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sunstatic tBTA_HH_RPT_CACHE_ENTRY sReportCache[BTA_HH_NV_LOAD_MAX]; 42433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#endif 435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/*Internal function to perform UHID write and error checking*/ 455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectstatic int uhid_write(int fd, const struct uhid_event *ev) 465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ssize_t ret; 485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ret = write(fd, ev, sizeof(*ev)); 495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (ret < 0){ 505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project int rtn = -errno; 51e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Cannot write to uhid:%s", __FUNCTION__, strerror(errno)); 525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return rtn; 535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } else if (ret != sizeof(*ev)) { 54e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Wrong size written to uhid: %ld != %lu", 555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project __FUNCTION__, ret, sizeof(*ev)); 565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return -EFAULT; 575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } else { 585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return 0; 595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 62689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project/* Internal function to parse the events received from UHID driver*/ 63689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Projectstatic int uhid_event(btif_hh_device_t *p_dev) 64689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project{ 65689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project struct uhid_event ev; 66689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project ssize_t ret; 67689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project memset(&ev, 0, sizeof(ev)); 68689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if(!p_dev) 69ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta { 70e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Device not found",__FUNCTION__) 71ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta return -1; 72ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta } 73689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project ret = read(p_dev->fd, &ev, sizeof(ev)); 74689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if (ret == 0) { 75e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Read HUP on uhid-cdev %s", __FUNCTION__, 76689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project strerror(errno)); 77689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return -EFAULT; 78689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } else if (ret < 0) { 79e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s:Cannot read uhid-cdev: %s", __FUNCTION__, 80689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project strerror(errno)); 81689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return -errno; 82689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } else if (ret != sizeof(ev)) { 83e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s:Invalid size read from uhid-dev: %ld != %lu", 84689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project __FUNCTION__, ret, sizeof(ev)); 85689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return -EFAULT; 86689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 87689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 88689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project switch (ev.type) { 89689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_START: 90e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_START from uhid-dev\n"); 91689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 92689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_STOP: 93e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_STOP from uhid-dev\n"); 94689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 95689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_OPEN: 96e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_OPEN from uhid-dev\n"); 97689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 98689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_CLOSE: 99e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_CLOSE from uhid-dev\n"); 100689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 101689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_OUTPUT: 102e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_OUTPUT: Report type = %d, report_size = %d" 103689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project ,ev.u.output.rtype, ev.u.output.size); 104689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project //Send SET_REPORT with feature report if the report type in output event is FEATURE 105689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if(ev.u.output.rtype == UHID_FEATURE_REPORT) 106689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project btif_hh_setreport(p_dev,BTHH_FEATURE_REPORT,ev.u.output.size,ev.u.output.data); 107689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project else if(ev.u.output.rtype == UHID_OUTPUT_REPORT) 108689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project btif_hh_setreport(p_dev,BTHH_OUTPUT_REPORT,ev.u.output.size,ev.u.output.data); 109689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project else 110689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project btif_hh_setreport(p_dev,BTHH_INPUT_REPORT,ev.u.output.size,ev.u.output.data); 111689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 112689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_OUTPUT_EV: 113e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_OUTPUT_EV from uhid-dev\n"); 114689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 115689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_FEATURE: 116e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_FEATURE from uhid-dev\n"); 117689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 118689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_FEATURE_ANSWER: 119e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("UHID_FEATURE_ANSWER from uhid-dev\n"); 120689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 121689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 122689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project default: 123e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("Invalid event from uhid-dev: %u\n", ev.type); 124689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 125689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 126689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return 0; 127689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 128689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 129689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project/******************************************************************************* 130689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 131689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** Function create_thread 132689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 133689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** Description creat a select loop 134689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 135689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** Returns pthread_t 136689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 137689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project*******************************************************************************/ 138689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Projectstatic inline pthread_t create_thread(void *(*start_routine)(void *), void * arg){ 139e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("create_thread: entered"); 140689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project pthread_attr_t thread_attr; 141689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 142689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project pthread_attr_init(&thread_attr); 143689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE); 144689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project pthread_t thread_id = -1; 145689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if ( pthread_create(&thread_id, &thread_attr, start_routine, arg)!=0 ) 146689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project { 147e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("pthread_create : %s", strerror(errno)); 148689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return -1; 149689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 150e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("create_thread: thread created successfully"); 151689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return thread_id; 152689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 153689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 154689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project/******************************************************************************* 155689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 156689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** Function btif_hh_poll_event_thread 157689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 158689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** Description the polling thread which polls for event from UHID driver 159689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 160689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** Returns void 161689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project** 162689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project*******************************************************************************/ 163689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Projectstatic void *btif_hh_poll_event_thread(void *arg) 164689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project{ 165689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 166689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project btif_hh_device_t *p_dev = arg; 167e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("%s: Thread created fd = %d", __FUNCTION__, p_dev->fd); 168689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project struct pollfd pfds[1]; 169689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project int ret; 170689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project pfds[0].fd = p_dev->fd; 171689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project pfds[0].events = POLLIN; 172689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 173689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project while(p_dev->hh_keep_polling){ 1747a25994c7b99c02a8d9e3bd258767c1bdeb84f50Hemant Gupta ret = poll(pfds, 1, 50); 175689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if (ret < 0) { 176e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Cannot poll for fds: %s\n", __FUNCTION__, strerror(errno)); 177689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 178689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 179689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if (pfds[0].revents & POLLIN) { 180e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("btif_hh_poll_event_thread: POLLIN"); 181689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project ret = uhid_event(p_dev); 182689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if (ret){ 183689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 184689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 185689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 186689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 187689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 188689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project p_dev->hh_poll_thread_id = -1; 189689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return 0; 190689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 191689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 192689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Projectstatic inline void btif_hh_close_poll_thread(btif_hh_device_t *p_dev) 193689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project{ 194e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("%s", __FUNCTION__); 195689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project p_dev->hh_keep_polling = 0; 196689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if(p_dev->hh_poll_thread_id > 0) 197689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project pthread_join(p_dev->hh_poll_thread_id,NULL); 198689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 199689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return; 200689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 201689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 2025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid bta_hh_co_destroy(int fd) 2035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project struct uhid_event ev; 2055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(&ev, 0, sizeof(ev)); 2065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.type = UHID_DESTROY; 2075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project uhid_write(fd, &ev); 2085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project close(fd); 2095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectint bta_hh_co_write(int fd, UINT8* rpt, UINT16 len) 2125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 213e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("bta_hh_co_data: UHID write"); 2145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project struct uhid_event ev; 2155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(&ev, 0, sizeof(ev)); 2165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.type = UHID_INPUT; 2175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.input.size = len; 2185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if(len > sizeof(ev.u.input.data)){ 219e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s:report size greater than allowed size",__FUNCTION__); 2205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return -1; 2215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memcpy(ev.u.input.data, rpt, len); 2235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return uhid_write(fd, &ev); 2245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2305738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function bta_hh_co_open 2315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description When connection is opened, this call-out function is executed 2335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** by HH to do platform specific initialization. 2345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 2355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 2365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 2375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid bta_hh_co_open(UINT8 dev_handle, UINT8 sub_class, tBTA_HH_ATTR_MASK attr_mask, 2385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 app_id) 2395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 2405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT32 i; 2415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btif_hh_device_t *p_dev = NULL; 2425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (dev_handle == BTA_HH_INVALID_HANDLE) { 244e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __FUNCTION__, dev_handle); 2455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 2465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (i = 0; i < BTIF_HH_MAX_HID; i++) { 2495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev = &btif_hh_cb.devices[i]; 2505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) { 2515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project // We found a device with the same handle. Must be a device reconnected. 252e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Found an existing device with the same handle " 2535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project "dev_status = %d",__FUNCTION__, 2545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->dev_status); 255e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: bd_addr = [%02X:%02X:%02X:%02X:%02X:]", __FUNCTION__, 2565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], p_dev->bd_addr.address[2], 2575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->bd_addr.address[3], p_dev->bd_addr.address[4]); 258e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: attr_mask = 0x%04x, sub_class = 0x%02x, app_id = %d", 2595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project __FUNCTION__, p_dev->attr_mask, p_dev->sub_class, p_dev->app_id); 2605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if(p_dev->fd<0) { 2625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC); 2635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev->fd < 0){ 264e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", 2655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project __FUNCTION__,strerror(errno)); 2665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project }else 267e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 2685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 269689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project p_dev->hh_keep_polling = 1; 270689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project p_dev->hh_poll_thread_id = create_thread(btif_hh_poll_event_thread, p_dev); 2715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 2725738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev = NULL; 2745738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 2755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev == NULL) { 2775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project // Did not find a device reconnection case. Find an empty slot now. 2785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (i = 0; i < BTIF_HH_MAX_HID; i++) { 2795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_UNKNOWN) { 2805738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev = &btif_hh_cb.devices[i]; 2815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->dev_handle = dev_handle; 2825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->attr_mask = attr_mask; 2835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->sub_class = sub_class; 2845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->app_id = app_id; 285390c94dc0f9deee917f52caaf3f8bb9f79aa98b4Ganesh Ganapathi Batta p_dev->local_vup = FALSE; 2865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btif_hh_cb.device_num++; 2885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project // This is a new device,open the uhid driver now. 2895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC); 2905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev->fd < 0){ 291e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", 2925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project __FUNCTION__,strerror(errno)); 293689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project }else{ 294e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); 295689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project p_dev->hh_keep_polling = 1; 296689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project p_dev->hh_poll_thread_id = create_thread(btif_hh_poll_event_thread, p_dev); 297689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 2985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project break; 3015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev == NULL) { 306e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_ERROR("%s: Error: too many HID devices are connected", __FUNCTION__); 3075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 3085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 311e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("%s: Return device status %d", __FUNCTION__, p_dev->dev_status); 3125738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 3165738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function bta_hh_co_close 3185738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description When connection is closed, this call-out function is executed 3205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** by HH to do platform specific finalization. 3215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Parameters dev_handle - device handle 3235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** app_id - application id 3245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void. 3265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 3275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid bta_hh_co_close(UINT8 dev_handle, UINT8 app_id) 3285738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 329689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project UINT32 i; 330689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project btif_hh_device_t *p_dev = NULL; 331689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 332e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: dev_handle = %d, app_id = %d", __FUNCTION__, dev_handle, app_id); 333689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if (dev_handle == BTA_HH_INVALID_HANDLE) { 334e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __FUNCTION__, dev_handle); 335689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project return; 336689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 337689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 338689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project for (i = 0; i < BTIF_HH_MAX_HID; i++) { 339689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project p_dev = &btif_hh_cb.devices[i]; 340689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) { 341e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Found an existing device with the same handle " 342ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta "dev_status = %d, dev_handle =%d" 343ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta ,__FUNCTION__,p_dev->dev_status 344ead3cde4bac0c3e32cd31f149093f004eef8ceebGanesh Ganapathi Batta ,p_dev->dev_handle); 345689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project btif_hh_close_poll_thread(p_dev); 346689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project break; 347689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 348689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 3495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 3535738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function bta_hh_co_data 3555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is executed by BTA when HID host receive a data 3575738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** report. 3585738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3595738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Parameters dev_handle - device handle 3605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** *p_rpt - pointer to the report data 3615738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** len - length of report data 3625738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** mode - Hid host Protocol Mode 3635738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** sub_clas - Device Subclass 3645738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** app_id - application id 3655738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3665738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 3675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 3685738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid bta_hh_co_data(UINT8 dev_handle, UINT8 *p_rpt, UINT16 len, tBTA_HH_PROTO_MODE mode, 3695738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT8 sub_class, UINT8 ctry_code, BD_ADDR peer_addr, UINT8 app_id) 3705738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 3715738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project btif_hh_device_t *p_dev; 3725cd8bff2dd0337cb52bf48f312e3d2d55a8882fbMike J. Chen UNUSED(peer_addr); 3735738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 374e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_DEBUG("%s: dev_handle = %d, subclass = 0x%02X, mode = %d, " 3755738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project "ctry_code = %d, app_id = %d", 3765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project __FUNCTION__, dev_handle, sub_class, mode, ctry_code, app_id); 3775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3785738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev = btif_hh_find_connected_dev_by_handle(dev_handle); 3795738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev == NULL) { 380e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Error: unknown HID device handle %d", __FUNCTION__, dev_handle); 3815738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 3825738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3835738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project // Send the HID report to the kernel. 3845738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev->fd >= 0) { 3855738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project bta_hh_co_write(p_dev->fd, p_rpt, len); 3865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project }else { 387e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Error: fd = %d, len = %d", __FUNCTION__, p_dev->fd, len); 3885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3895738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3905738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3915738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3925738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 3935738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3945738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Function bta_hh_co_send_hid_info 3955738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3965738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Description This function is called in btif_hh.c to process DSCP received. 3975738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 3985738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Parameters dev_handle - device handle 3995738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** dscp_len - report descriptor length 4005738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** *p_dscp - report descriptor 4015738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** 4025738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project** Returns void 4035738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project*******************************************************************************/ 4045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Projectvoid bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id, 4055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project UINT16 product_id, UINT16 version, UINT8 ctry_code, 4065738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project int dscp_len, UINT8 *p_dscp) 4075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project{ 4085738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project int result; 4095738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project struct uhid_event ev; 4105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4115738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (p_dev->fd < 0) { 412e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Error: fd = %d, dscp_len = %d", __FUNCTION__, p_dev->fd, dscp_len); 4135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project return; 4145738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 416e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: fd = %d, name = [%s], dscp_len = %d", __FUNCTION__, 4175738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->fd, dev_name, dscp_len); 418e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: vendor_id = 0x%04x, product_id = 0x%04x, version= 0x%04x," 4195738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project "ctry_code=0x%02x",__FUNCTION__, 4205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project vendor_id, product_id, 4215738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project version, ctry_code); 4225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4235738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project//Create and send hid descriptor to kernel 4245738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project memset(&ev, 0, sizeof(ev)); 4255738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.type = UHID_CREATE; 4265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project strncpy((char*)ev.u.create.name, dev_name, sizeof(ev.u.create.name) - 1); 427e4c9b7504492795c924f857eea95f1b80310b667Zhihai Xu snprintf((char*)ev.u.create.uniq, sizeof(ev.u.create.uniq), 428e4c9b7504492795c924f857eea95f1b80310b667Zhihai Xu "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X", 429e4c9b7504492795c924f857eea95f1b80310b667Zhihai Xu p_dev->bd_addr.address[5], p_dev->bd_addr.address[4], 430e4c9b7504492795c924f857eea95f1b80310b667Zhihai Xu p_dev->bd_addr.address[3], p_dev->bd_addr.address[2], 431e4c9b7504492795c924f857eea95f1b80310b667Zhihai Xu p_dev->bd_addr.address[1], p_dev->bd_addr.address[0]); 4325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.create.rd_size = dscp_len; 4335738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.create.rd_data = p_dscp; 4345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.create.bus = BUS_BLUETOOTH; 4355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.create.vendor = vendor_id; 4365738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.create.product = product_id; 4375738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.create.version = version; 4385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project ev.u.create.country = ctry_code; 4395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project result = uhid_write(p_dev->fd, &ev); 4405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 441e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: fd = %d, dscp_len = %d, result = %d", __FUNCTION__, 4425738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->fd, dscp_len, result); 4435738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4445738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project if (result) { 445e8c3d75b75493911ebf0f99c83676359657178f7Sharvil Nanavati APPL_TRACE_WARNING("%s: Error: failed to send DSCP, result = %d", __FUNCTION__, result); 4465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4475738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project /* The HID report descriptor is corrupted. Close the driver. */ 4485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project close(p_dev->fd); 4495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev->fd = -1; 4505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4515738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 4525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 453433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE) 454433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun/******************************************************************************* 455433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 456433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Function bta_hh_le_co_rpt_info 457433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 458433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Description This callout function is to convey the report information on 459433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** a HOGP device to the application. Application can save this 460433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** information in NV if device is bonded and load it back when 461433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** stack reboot. 462433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 463433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Parameters remote_bda - remote device address 464433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** p_entry - report entry pointer 465433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** app_id - application id 466433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 467433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Returns void. 468433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 469433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun*******************************************************************************/ 470433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sunvoid bta_hh_le_co_rpt_info(BD_ADDR remote_bda, tBTA_HH_RPT_CACHE_ENTRY *p_entry, UINT8 app_id) 471433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun{ 472433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun UNUSED(app_id); 473433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 474433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun unsigned len = 0; 475433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun unsigned type = 0; 476433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun unsigned idx = 0; 477433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 478433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun bdstr_t bdstr; 479433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x", 480433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun remote_bda[0], remote_bda[1], remote_bda[2], 481433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun remote_bda[3], remote_bda[4], remote_bda[5]); 482433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 483433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun btif_config_get("Remote", bdstr, "HidReport", NULL, (int*)&len, (int*)&type); 484433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun if (len >= sizeof(tBTA_HH_RPT_CACHE_ENTRY) && len <= sizeof(sReportCache)) 485433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun { 486433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun btif_config_get("Remote", bdstr, "HidReport", (char*)sReportCache, (int*)&len, (int*)&type); 487433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun idx = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY); 488433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun } 489433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 490433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun if (idx < BTA_HH_NV_LOAD_MAX) 491433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun { 492433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun memcpy(&sReportCache[idx++], p_entry, sizeof(tBTA_HH_RPT_CACHE_ENTRY)); 493433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun btif_config_set("Remote", bdstr, "HidReport", (const char*)sReportCache, 494433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun idx * sizeof(tBTA_HH_RPT_CACHE_ENTRY), BTIF_CFG_TYPE_BIN); 495433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun BTIF_TRACE_DEBUG("%s() - Saving report; dev=%s, idx=%d", __FUNCTION__, bdstr, idx); 496433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun } 497433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun} 498433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 499433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 500433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun/******************************************************************************* 501433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 502433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Function bta_hh_le_co_cache_load 503433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 504433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Description This callout function is to request the application to load the 505433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** cached HOGP report if there is any. When cache reading is completed, 506433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** bta_hh_le_ci_cache_load() is called by the application. 507433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 508433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Parameters remote_bda - remote device address 509433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** p_num_rpt: number of cached report 510433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** app_id - application id 511433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 512433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Returns the acched report array 513433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 514433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun*******************************************************************************/ 515433fe016392c7ae003033530f1b3994f2ddad313Chaojing SuntBTA_HH_RPT_CACHE_ENTRY * bta_hh_le_co_cache_load (BD_ADDR remote_bda, 516433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun UINT8 *p_num_rpt, UINT8 app_id) 517433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun{ 518433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun UNUSED(app_id); 519433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 520433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun unsigned len = 0; 521433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun unsigned type = 0; 522433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun unsigned idx = 0; 523433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 524433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun bdstr_t bdstr; 525433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x", 526433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun remote_bda[0], remote_bda[1], remote_bda[2], 527433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun remote_bda[3], remote_bda[4], remote_bda[5]); 528433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 529433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun btif_config_get("Remote", bdstr, "HidReport", NULL, (int*)&len, (int*)&type); 530433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun if (!p_num_rpt && len < sizeof(tBTA_HH_RPT_CACHE_ENTRY)) 531433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun return NULL; 532433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 533433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun if (len > sizeof(sReportCache)) 534433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun len = sizeof(sReportCache); 535433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun btif_config_get("Remote", bdstr, "HidReport", (char*)sReportCache, (int*)&len, (int*)&type); 536433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun *p_num_rpt = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY); 537433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 538433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun BTIF_TRACE_DEBUG("%s() - Loaded %d reports; dev=%s", __FUNCTION__, *p_num_rpt, bdstr); 539433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 540433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun return sReportCache; 541433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun} 542433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 543433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun/******************************************************************************* 544433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 545433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Function bta_hh_le_co_reset_rpt_cache 546433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 547433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Description This callout function is to reset the HOGP device cache. 548433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 549433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Parameters remote_bda - remote device address 550433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 551433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** Returns none 552433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun** 553433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun*******************************************************************************/ 554433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sunvoid bta_hh_le_co_reset_rpt_cache (BD_ADDR remote_bda, UINT8 app_id) 555433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun{ 556433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun UNUSED(app_id); 557433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 558433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun bdstr_t bdstr; 559433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x", 560433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun remote_bda[0], remote_bda[1], remote_bda[2], 561433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun remote_bda[3], remote_bda[4], remote_bda[5]); 562433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun btif_config_remove("Remote", bdstr, "HidReport"); 563433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 564433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun BTIF_TRACE_DEBUG("%s() - Reset cache for bda %s", __FUNCTION__, bdstr); 565433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun} 566433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#endif /* #if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE) */ 5675738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 568