bta_hh_co.cc revision f2af1c42ccb2f642b241c2261b42d0be61d45438
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 19f2af1c42ccb2f642b241c2261b42d0be61d45438Jack He#include <base/logging.h> 205738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <ctype.h> 21acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach#include <errno.h> 225738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <fcntl.h> 23acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach#include <linux/uhid.h> 24689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project#include <pthread.h> 256bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson#include <stdint.h> 265738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <stdio.h> 275738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include <string.h> 28acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach#include <sys/poll.h> 293e59b5b6f2ce1295e3e2711afcd2cdf0dd7e22b6Etan Cohen#include <unistd.h> 30acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach 315738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "bta_api.h" 325738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project#include "bta_hh_api.h" 33433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#include "bta_hh_co.h" 346bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson#include "btcore/include/bdaddr.h" 35acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach#include "btif_hh.h" 36acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach#include "btif_util.h" 376bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson#include "osi/include/osi.h" 385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 396bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonconst char* dev_path = "/dev/uhid"; 405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4184baa7f16e830394408278dbb8c508dd9fa02887Myles Watson#if (BTA_HH_LE_INCLUDED == TRUE) 42433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#include "btif_config.h" 436bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson#define BTA_HH_NV_LOAD_MAX 16 44433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sunstatic tBTA_HH_RPT_CACHE_ENTRY sReportCache[BTA_HH_NV_LOAD_MAX]; 45433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun#endif 465738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 476bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonvoid uhid_set_non_blocking(int fd) { 486bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson int opts = fcntl(fd, F_GETFL); 496bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (opts < 0) 506bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s() Getting flags failed (%s)", __func__, 516bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson strerror(errno)); 52ef7d8cb8b012e77c9b0c596c5ad4b0ffb7e5dde9Andre Eisenbach 536bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson opts |= O_NONBLOCK; 54ef7d8cb8b012e77c9b0c596c5ad4b0ffb7e5dde9Andre Eisenbach 556bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (fcntl(fd, F_SETFL, opts) < 0) 566bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_EVENT("%s() Setting non-blocking flag failed (%s)", __func__, 576bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson strerror(errno)); 58ef7d8cb8b012e77c9b0c596c5ad4b0ffb7e5dde9Andre Eisenbach} 59ef7d8cb8b012e77c9b0c596c5ad4b0ffb7e5dde9Andre Eisenbach 605738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/*Internal function to perform UHID write and error checking*/ 616bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonstatic int uhid_write(int fd, const struct uhid_event* ev) { 626bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ssize_t ret; 636bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson OSI_NO_INTR(ret = write(fd, ev, sizeof(*ev))); 646bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 656bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (ret < 0) { 666bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson int rtn = -errno; 676bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Cannot write to uhid:%s", __func__, strerror(errno)); 686bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return rtn; 696bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } else if (ret != (ssize_t)sizeof(*ev)) { 706bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Wrong size written to uhid: %zd != %zu", __func__, 716bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ret, sizeof(*ev)); 726bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return -EFAULT; 736bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 746bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 756bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return 0; 765738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 775738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 78689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project/* Internal function to parse the events received from UHID driver*/ 796bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonstatic int uhid_read_event(btif_hh_device_t* p_dev) { 80f2af1c42ccb2f642b241c2261b42d0be61d45438Jack He CHECK(p_dev); 81acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach 826bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson struct uhid_event ev; 836bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson memset(&ev, 0, sizeof(ev)); 84acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach 856bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ssize_t ret; 866bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson OSI_NO_INTR(ret = read(p_dev->fd, &ev, sizeof(ev))); 87acb093ada78b6f912dcb98a23c644c98605a6b01Andre Eisenbach 886bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (ret == 0) { 896bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Read HUP on uhid-cdev %s", __func__, strerror(errno)); 906bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return -EFAULT; 916bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } else if (ret < 0) { 926bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Cannot read uhid-cdev: %s", __func__, 936bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson strerror(errno)); 946bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return -errno; 956bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 96689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 976bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson switch (ev.type) { 98689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_START: 996bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_START from uhid-dev\n"); 1006bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->ready_for_data = true; 1016bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 102689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_STOP: 1036bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_STOP from uhid-dev\n"); 1046bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->ready_for_data = false; 1056bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 106689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_OPEN: 1076bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_OPEN from uhid-dev\n"); 1086bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->ready_for_data = true; 1096bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 110689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_CLOSE: 1116bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_CLOSE from uhid-dev\n"); 1126bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->ready_for_data = false; 1136bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 114689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_OUTPUT: 1156bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (ret < (ssize_t)(sizeof(ev.type) + sizeof(ev.u.output))) { 1166bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %zd < %zu", 1176bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, ret, sizeof(ev.type) + sizeof(ev.u.output)); 1186bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return -EFAULT; 1196bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 1206bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 1216bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_OUTPUT: Report type = %d, report_size = %d", 1226bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.output.rtype, ev.u.output.size); 1236bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // Send SET_REPORT with feature report if the report type in output event 1246bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // is FEATURE 1256bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (ev.u.output.rtype == UHID_FEATURE_REPORT) 1266bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_setreport(p_dev, BTHH_FEATURE_REPORT, ev.u.output.size, 1276bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.output.data); 1286bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson else if (ev.u.output.rtype == UHID_OUTPUT_REPORT) 1296bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_setreport(p_dev, BTHH_OUTPUT_REPORT, ev.u.output.size, 1306bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.output.data); 1316bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson else 1326bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_setreport(p_dev, BTHH_INPUT_REPORT, ev.u.output.size, 1336bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.output.data); 1346bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 135689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_OUTPUT_EV: 1366bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (ret < (ssize_t)(sizeof(ev.type) + sizeof(ev.u.output_ev))) { 1376bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %zd < %zu", 1386bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, ret, 1396bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson sizeof(ev.type) + sizeof(ev.u.output_ev)); 1406bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return -EFAULT; 1416bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 1426bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_OUTPUT_EV from uhid-dev\n"); 1436bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 144689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_FEATURE: 1456bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_FEATURE from uhid-dev\n"); 1466bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 147689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project case UHID_FEATURE_ANSWER: 1486bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("UHID_FEATURE_ANSWER from uhid-dev\n"); 1496bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 150689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 151689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project default: 1526bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("Invalid event from uhid-dev: %u\n", ev.type); 1536bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 154689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 1556bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return 0; 156689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 157689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 158689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project/******************************************************************************* 1596bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1606bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function create_thread 1616bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1626bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description creat a select loop 1636bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1646bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns pthread_t 1656bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1666bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 1676bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonstatic inline pthread_t create_thread(void* (*start_routine)(void*), 1686bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson void* arg) { 1696bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("create_thread: entered"); 1706bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson pthread_attr_t thread_attr; 1716bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 1726bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson pthread_attr_init(&thread_attr); 1736bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE); 1746bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson pthread_t thread_id = -1; 1756bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (pthread_create(&thread_id, &thread_attr, start_routine, arg) != 0) { 1766bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("pthread_create : %s", strerror(errno)); 1776bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return -1; 1786bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 1796bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("create_thread: thread created successfully"); 1806bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return thread_id; 181689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 182689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 183689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project/******************************************************************************* 1846bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1856bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function btif_hh_poll_event_thread 1866bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1876bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description the polling thread which polls for event from UHID driver 1886bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1896bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns void 1906bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 1916bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 1926bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonstatic void* btif_hh_poll_event_thread(void* arg) { 1936bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_device_t* p_dev = (btif_hh_device_t*)arg; 1946bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s: Thread created fd = %d", __func__, p_dev->fd); 1956bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson struct pollfd pfds[1]; 1966bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 1976bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson pfds[0].fd = p_dev->fd; 1986bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson pfds[0].events = POLLIN; 1996bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 2006bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // Set the uhid fd as non-blocking to ensure we never block the BTU thread 2016bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uhid_set_non_blocking(p_dev->fd); 2026bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 2036bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson while (p_dev->hh_keep_polling) { 2046bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson int ret; 2056bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson OSI_NO_INTR(ret = poll(pfds, 1, 50)); 2066bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (ret < 0) { 2076bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Cannot poll for fds: %s\n", __func__, 2086bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson strerror(errno)); 2096bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 2106bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 2116bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (pfds[0].revents & POLLIN) { 2126bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s: POLLIN", __func__); 2136bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ret = uhid_read_event(p_dev); 2146bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (ret != 0) break; 215689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 2166bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 217689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 2186bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->hh_poll_thread_id = -1; 2196bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return 0; 220689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 221689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 2226bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonstatic inline void btif_hh_close_poll_thread(btif_hh_device_t* p_dev) { 2236bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s", __func__); 2246bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->hh_keep_polling = 0; 2256bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->hh_poll_thread_id > 0) 2266bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson pthread_join(p_dev->hh_poll_thread_id, NULL); 227689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 2286bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 229689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project} 230689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project 2316bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonvoid bta_hh_co_destroy(int fd) { 2326bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson struct uhid_event ev; 2336bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson memset(&ev, 0, sizeof(ev)); 2346bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.type = UHID_DESTROY; 2356bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uhid_write(fd, &ev); 2366bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s: Closing fd=%d", __func__, fd); 2376bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson close(fd); 2385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2406bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonint bta_hh_co_write(int fd, uint8_t* rpt, uint16_t len) { 2416bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s: UHID write %d", __func__, len); 242ef7d8cb8b012e77c9b0c596c5ad4b0ffb7e5dde9Andre Eisenbach 2436bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson struct uhid_event ev; 2446bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson memset(&ev, 0, sizeof(ev)); 2456bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.type = UHID_INPUT; 2466bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.input.size = len; 2476bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (len > sizeof(ev.u.input.data)) { 2486bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: Report size greater than allowed size", __func__); 2496bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return -1; 2506bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 2516bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson memcpy(ev.u.input.data, rpt, len); 2525738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2536bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return uhid_write(fd, &ev); 2545738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 2555738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 2565738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 2576bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 2586bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function bta_hh_co_open 2596bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 2606bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description When connection is opened, this call-out function is executed 2616bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * by HH to do platform specific initialization. 2626bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 2636bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns void. 2646bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 2656bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonvoid bta_hh_co_open(uint8_t dev_handle, uint8_t sub_class, 2666bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson tBTA_HH_ATTR_MASK attr_mask, uint8_t app_id) { 2676bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uint32_t i; 2686bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_device_t* p_dev = NULL; 2696bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 2706bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (dev_handle == BTA_HH_INVALID_HANDLE) { 2716bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__, 2726bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson dev_handle); 2736bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 2746bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 2756bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 2766bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson for (i = 0; i < BTIF_HH_MAX_HID; i++) { 2776bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev = &btif_hh_cb.devices[i]; 2786bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && 2796bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->dev_handle == dev_handle) { 2806bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // We found a device with the same handle. Must be a device reconnected. 2816bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING( 2826bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "%s: Found an existing device with the same handle " 2836bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "dev_status = %d", 2846bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, p_dev->dev_status); 2856bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: bd_addr = [%02X:%02X:%02X:%02X:%02X:]", 2866bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, p_dev->bd_addr.address[0], 2876bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->bd_addr.address[1], p_dev->bd_addr.address[2], 2886bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->bd_addr.address[3], p_dev->bd_addr.address[4]); 2896bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING( 2906bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "%s: attr_mask = 0x%04x, sub_class = 0x%02x, app_id = %d", 2916bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, p_dev->attr_mask, p_dev->sub_class, p_dev->app_id); 2926bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 2936bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->fd < 0) { 2946bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC); 2956bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->fd < 0) { 2966bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", __func__, 2976bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson strerror(errno)); 2986bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 2996bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } else 3006bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s: uhid fd = %d", __func__, p_dev->fd); 3016bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 3026bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 3036bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->hh_keep_polling = 1; 3046bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->hh_poll_thread_id = 3056bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson create_thread(btif_hh_poll_event_thread, p_dev); 3066bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 3075738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3086bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev = NULL; 3096bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 3105738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3116bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev == NULL) { 3126bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // Did not find a device reconnection case. Find an empty slot now. 3135738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project for (i = 0; i < BTIF_HH_MAX_HID; i++) { 3146bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_UNKNOWN) { 3155738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project p_dev = &btif_hh_cb.devices[i]; 3166bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->dev_handle = dev_handle; 3176bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->attr_mask = attr_mask; 3186bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->sub_class = sub_class; 3196bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->app_id = app_id; 3206bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->local_vup = false; 3216bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 3226bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_cb.device_num++; 3236bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // This is a new device,open the uhid driver now. 3246bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC); 3256bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->fd < 0) { 3266bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", __func__, 3276bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson strerror(errno)); 3286bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 3296bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } else { 3306bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s: uhid fd = %d", __func__, p_dev->fd); 3316bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->hh_keep_polling = 1; 3326bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->hh_poll_thread_id = 3336bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson create_thread(btif_hh_poll_event_thread, p_dev); 3345738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3355738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3366bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 3376bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 3385738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 3396bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 3405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3416bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev == NULL) { 3426bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_ERROR("%s: Error: too many HID devices are connected", __func__); 3436bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 3446bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 3455738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3466bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; 3476bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG("%s: Return device status %d", __func__, p_dev->dev_status); 3485738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3495738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3505738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 3516bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 3526bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function bta_hh_co_close 3536bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 3546bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description When connection is closed, this call-out function is executed 3556bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * by HH to do platform specific finalization. 3566bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 3576bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Parameters dev_handle - device handle 3586bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * app_id - application id 3596bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 3606bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns void. 3616bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 3626bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonvoid bta_hh_co_close(uint8_t dev_handle, uint8_t app_id) { 3636bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uint32_t i; 3646bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_device_t* p_dev = NULL; 3656bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 3666bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: dev_handle = %d, app_id = %d", __func__, dev_handle, 3676bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson app_id); 3686bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (dev_handle == BTA_HH_INVALID_HANDLE) { 3696bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __func__, 3706bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson dev_handle); 3716bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 3726bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 3736bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 3746bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson for (i = 0; i < BTIF_HH_MAX_HID; i++) { 3756bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev = &btif_hh_cb.devices[i]; 3766bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && 3776bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->dev_handle == dev_handle) { 3786bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING( 3796bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "%s: Found an existing device with the same handle " 3806bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "dev_status = %d, dev_handle =%d", 3816bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, p_dev->dev_status, p_dev->dev_handle); 3826bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_close_poll_thread(p_dev); 3836bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson break; 384689d66b6559dcb3a0ad7f6cc33b6129e50910253The Android Open Source Project } 3856bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 3865738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 3875738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 3885738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 3896bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 3906bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function bta_hh_co_data 3916bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 3926bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description This function is executed by BTA when HID host receive a 393f45481678af0694902b5200ba69ced4cb61d73f0Myles Watson * data report. 3946bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 3956bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Parameters dev_handle - device handle 3966bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * *p_rpt - pointer to the report data 3976bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * len - length of report data 3986bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * mode - Hid host Protocol Mode 3996bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * sub_clas - Device Subclass 4006bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * app_id - application id 4016bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 4026bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns void 4036bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 4046bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonvoid bta_hh_co_data(uint8_t dev_handle, uint8_t* p_rpt, uint16_t len, 4056bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson tBTA_HH_PROTO_MODE mode, uint8_t sub_class, 4069008888d24407541aa383aa4bd363a40abbf954bMyles Watson uint8_t ctry_code, UNUSED_ATTR BD_ADDR peer_addr, 4079008888d24407541aa383aa4bd363a40abbf954bMyles Watson uint8_t app_id) { 4086bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_hh_device_t* p_dev; 4096bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4106bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_DEBUG( 4116bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "%s: dev_handle = %d, subclass = 0x%02X, mode = %d, " 4126bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "ctry_code = %d, app_id = %d", 4136bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, dev_handle, sub_class, mode, ctry_code, app_id); 4146bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4156bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev = btif_hh_find_connected_dev_by_handle(dev_handle); 4166bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev == NULL) { 4176bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: Error: unknown HID device handle %d", __func__, 4186bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson dev_handle); 4196bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 4206bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 4216bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4226bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // Wait a maximum of MAX_POLLING_ATTEMPTS x POLLING_SLEEP_DURATION in case 4236bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // device creation is pending. 4246bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->fd >= 0) { 4256bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uint32_t polling_attempts = 0; 4266bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson while (!p_dev->ready_for_data && 4276bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson polling_attempts++ < BTIF_HH_MAX_POLLING_ATTEMPTS) { 4286bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson usleep(BTIF_HH_POLLING_SLEEP_DURATION_US); 4295738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project } 4306bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 4316bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4326bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // Send the HID data to the kernel. 4336bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if ((p_dev->fd >= 0) && p_dev->ready_for_data) { 4346bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson bta_hh_co_write(p_dev->fd, p_rpt, len); 4356bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } else { 4366bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: Error: fd = %d, ready %d, len = %d", __func__, 4376bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->fd, p_dev->ready_for_data, len); 4386bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 4395738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 4405738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 4415738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project/******************************************************************************* 4426bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 4436bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function bta_hh_co_send_hid_info 4446bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 4456bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description This function is called in btif_hh.c to process DSCP 446f45481678af0694902b5200ba69ced4cb61d73f0Myles Watson * received. 4476bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 4486bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Parameters dev_handle - device handle 4496bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * dscp_len - report descriptor length 4506bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * *p_dscp - report descriptor 4516bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 4526bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns void 4536bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 4546bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonvoid bta_hh_co_send_hid_info(btif_hh_device_t* p_dev, const char* dev_name, 4556bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uint16_t vendor_id, uint16_t product_id, 4566bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uint16_t version, uint8_t ctry_code, int dscp_len, 4576bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uint8_t* p_dscp) { 4586bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson int result; 4596bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson struct uhid_event ev; 4606bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4616bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (p_dev->fd < 0) { 4626bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: Error: fd = %d, dscp_len = %d", __func__, p_dev->fd, 4636bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson dscp_len); 4646bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return; 4656bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 4666bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4676bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: fd = %d, name = [%s], dscp_len = %d", __func__, 4686bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->fd, dev_name, dscp_len); 4696bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING( 4706bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "%s: vendor_id = 0x%04x, product_id = 0x%04x, version= 0x%04x," 4716bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "ctry_code=0x%02x", 4726bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson __func__, vendor_id, product_id, version, ctry_code); 4736bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4746bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson // Create and send hid descriptor to kernel 4756bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson memset(&ev, 0, sizeof(ev)); 4766bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.type = UHID_CREATE; 4776bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson strncpy((char*)ev.u.create.name, dev_name, sizeof(ev.u.create.name) - 1); 4786bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson snprintf((char*)ev.u.create.uniq, sizeof(ev.u.create.uniq), 4796bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X", p_dev->bd_addr.address[5], 4806bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->bd_addr.address[4], p_dev->bd_addr.address[3], 4816bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->bd_addr.address[2], p_dev->bd_addr.address[1], 4826bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->bd_addr.address[0]); 4836bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.create.rd_size = dscp_len; 4846bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.create.rd_data = p_dscp; 4856bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.create.bus = BUS_BLUETOOTH; 4866bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.create.vendor = vendor_id; 4876bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.create.product = product_id; 4886bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.create.version = version; 4896bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ev.u.create.country = ctry_code; 4906bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson result = uhid_write(p_dev->fd, &ev); 4916bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4926bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING( 4936bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson "%s: wrote descriptor to fd = %d, dscp_len = %d, result = %d", __func__, 4946bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->fd, dscp_len, result); 4956bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 4966bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (result) { 4976bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson APPL_TRACE_WARNING("%s: Error: failed to send DSCP, result = %d", __func__, 4986bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson result); 4996bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5006bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson /* The HID report descriptor is corrupted. Close the driver. */ 5016bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson close(p_dev->fd); 5026bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson p_dev->fd = -1; 5036bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 5045738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project} 5055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 50684baa7f16e830394408278dbb8c508dd9fa02887Myles Watson#if (BTA_HH_LE_INCLUDED == TRUE) 507433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun/******************************************************************************* 5086bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5096bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function bta_hh_le_co_rpt_info 5106bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5116bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description This callout function is to convey the report information on 5126bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * a HOGP device to the application. Application can save this 5136bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * information in NV if device is bonded and load it back when 5146bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * stack reboot. 5156bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5166bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Parameters remote_bda - remote device address 5176bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * p_entry - report entry pointer 5186bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * app_id - application id 5196bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5206bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns void. 5216bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5226bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 5236bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watsonvoid bta_hh_le_co_rpt_info(BD_ADDR remote_bda, tBTA_HH_RPT_CACHE_ENTRY* p_entry, 524d35a648d39710bbc5ac59f8add85166455af5af7Myles Watson UNUSED_ATTR uint8_t app_id) { 5256bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson unsigned idx = 0; 5266bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5276bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson bdstr_t bdstr; 5286bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson snprintf(bdstr, sizeof(bdstr), "%02x:%02x:%02x:%02x:%02x:%02x", remote_bda[0], 5296bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson remote_bda[1], remote_bda[2], remote_bda[3], remote_bda[4], 5306bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson remote_bda[5]); 5316bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5326bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson size_t len = btif_config_get_bin_length(bdstr, "HidReport"); 5336bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (len >= sizeof(tBTA_HH_RPT_CACHE_ENTRY) && len <= sizeof(sReportCache)) { 5346bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_config_get_bin(bdstr, "HidReport", (uint8_t*)sReportCache, &len); 5356bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson idx = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY); 5366bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 5376bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5386bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (idx < BTA_HH_NV_LOAD_MAX) { 5396bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson memcpy(&sReportCache[idx++], p_entry, sizeof(tBTA_HH_RPT_CACHE_ENTRY)); 5406bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_config_set_bin(bdstr, "HidReport", (const uint8_t*)sReportCache, 5416bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson idx * sizeof(tBTA_HH_RPT_CACHE_ENTRY)); 5426bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson BTIF_TRACE_DEBUG("%s() - Saving report; dev=%s, idx=%d", __func__, bdstr, 5436bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson idx); 5446bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson } 545433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun} 546433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 547433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun/******************************************************************************* 5486bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5496bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function bta_hh_le_co_cache_load 5506bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5516bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description This callout function is to request the application to load 552f45481678af0694902b5200ba69ced4cb61d73f0Myles Watson * the cached HOGP report if there is any. When cache reading 553f45481678af0694902b5200ba69ced4cb61d73f0Myles Watson * is completed, bta_hh_le_ci_cache_load() is called by the 554f45481678af0694902b5200ba69ced4cb61d73f0Myles Watson * application. 5556bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5566bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Parameters remote_bda - remote device address 5576bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * p_num_rpt: number of cached report 5586bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * app_id - application id 5596bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5606bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns the acched report array 5616bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5626bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 5636bd442f543972b072ef2cbbcf2f7c91202de1045Myles WatsontBTA_HH_RPT_CACHE_ENTRY* bta_hh_le_co_cache_load(BD_ADDR remote_bda, 5646bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson uint8_t* p_num_rpt, 565d35a648d39710bbc5ac59f8add85166455af5af7Myles Watson UNUSED_ATTR uint8_t app_id) { 5666bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson bdstr_t bdstr; 5676bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson snprintf(bdstr, sizeof(bdstr), "%02x:%02x:%02x:%02x:%02x:%02x", remote_bda[0], 5686bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson remote_bda[1], remote_bda[2], remote_bda[3], remote_bda[4], 5696bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson remote_bda[5]); 5706bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5716bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson size_t len = btif_config_get_bin_length(bdstr, "HidReport"); 5726bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (!p_num_rpt && len < sizeof(tBTA_HH_RPT_CACHE_ENTRY)) return NULL; 5736bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5746bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson if (len > sizeof(sReportCache)) len = sizeof(sReportCache); 5756bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_config_get_bin(bdstr, "HidReport", (uint8_t*)sReportCache, &len); 5766bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson *p_num_rpt = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY); 5776bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5786bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson BTIF_TRACE_DEBUG("%s() - Loaded %d reports; dev=%s", __func__, *p_num_rpt, 5796bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson bdstr); 5806bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson 5816bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson return sReportCache; 582433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun} 583433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun 584433fe016392c7ae003033530f1b3994f2ddad313Chaojing Sun/******************************************************************************* 5856bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5866bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Function bta_hh_le_co_reset_rpt_cache 5876bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5886bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Description This callout function is to reset the HOGP device cache. 5896bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5906bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Parameters remote_bda - remote device address 5916bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5926bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * Returns none 5936bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson * 5946bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson ******************************************************************************/ 595d35a648d39710bbc5ac59f8add85166455af5af7Myles Watsonvoid bta_hh_le_co_reset_rpt_cache(BD_ADDR remote_bda, 596d35a648d39710bbc5ac59f8add85166455af5af7Myles Watson UNUSED_ATTR uint8_t app_id) { 5976bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson bdstr_t bdstr; 5986bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson snprintf(bdstr, sizeof(bdstr), "%02x:%02x:%02x:%02x:%02x:%02x", remote_bda[0], 5996bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson remote_bda[1], remote_bda[2], remote_bda[3], remote_bda[4], 6006bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson remote_bda[5]); 6016bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson btif_config_remove(bdstr, "HidReport"); 602713993d1784ab7c23aee1fa3cf1ab8676cc0aa69Jakub Pawlowski 6036bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson BTIF_TRACE_DEBUG("%s() - Reset cache for bda %s", __func__, bdstr); 6046bd442f543972b072ef2cbbcf2f7c91202de1045Myles Watson} 6055738f83aeb59361a0a2eda2460113f6dc919427The Android Open Source Project 60684baa7f16e830394408278dbb8c508dd9fa02887Myles Watson#endif // (BTA_HH_LE_INCLUDED == TRUE) 607