| /****************************************************************************** | |
| * | |
| * Copyright (C) 2009-2012 Broadcom Corporation | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at: | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| * | |
| ******************************************************************************/ | |
| #include <assert.h> | |
| #include <ctype.h> | |
| #include <errno.h> | |
| #include <fcntl.h> | |
| #include <linux/uhid.h> | |
| #include <pthread.h> | |
| #include <stdio.h> | |
| #include <string.h> | |
| #include <stdint.h> | |
| #include <sys/poll.h> | |
| #include <unistd.h> | |
| #include "btcore/include/bdaddr.h" | |
| #include "osi/include/osi.h" | |
| #include "bta_api.h" | |
| #include "bta_hh_api.h" | |
| #include "bta_hh_co.h" | |
| #include "btif_hh.h" | |
| #include "btif_util.h" | |
| const char *dev_path = "/dev/uhid"; | |
| #if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE) | |
| #include "btif_config.h" | |
| #define BTA_HH_NV_LOAD_MAX 16 | |
| static tBTA_HH_RPT_CACHE_ENTRY sReportCache[BTA_HH_NV_LOAD_MAX]; | |
| #endif | |
| void uhid_set_non_blocking(int fd) | |
| { | |
| int opts = fcntl(fd, F_GETFL); | |
| if (opts < 0) | |
| APPL_TRACE_ERROR("%s() Getting flags failed (%s)", __func__, strerror(errno)); | |
| opts |= O_NONBLOCK; | |
| if (fcntl(fd, F_SETFL, opts) < 0) | |
| APPL_TRACE_EVENT("%s() Setting non-blocking flag failed (%s)", __func__, strerror(errno)); | |
| } | |
| /*Internal function to perform UHID write and error checking*/ | |
| static int uhid_write(int fd, const struct uhid_event *ev) | |
| { | |
| ssize_t ret; | |
| OSI_NO_INTR(ret = write(fd, ev, sizeof(*ev))); | |
| if (ret < 0){ | |
| int rtn = -errno; | |
| APPL_TRACE_ERROR("%s: Cannot write to uhid:%s", | |
| __FUNCTION__, strerror(errno)); | |
| return rtn; | |
| } else if (ret != (ssize_t)sizeof(*ev)) { | |
| APPL_TRACE_ERROR("%s: Wrong size written to uhid: %zd != %zu", | |
| __FUNCTION__, ret, sizeof(*ev)); | |
| return -EFAULT; | |
| } | |
| return 0; | |
| } | |
| /* Internal function to parse the events received from UHID driver*/ | |
| static int uhid_read_event(btif_hh_device_t *p_dev) | |
| { | |
| assert(p_dev); | |
| struct uhid_event ev; | |
| memset(&ev, 0, sizeof(ev)); | |
| ssize_t ret; | |
| OSI_NO_INTR(ret = read(p_dev->fd, &ev, sizeof(ev))); | |
| if (ret == 0) { | |
| APPL_TRACE_ERROR("%s: Read HUP on uhid-cdev %s", __FUNCTION__, | |
| strerror(errno)); | |
| return -EFAULT; | |
| } else if (ret < 0) { | |
| APPL_TRACE_ERROR("%s: Cannot read uhid-cdev: %s", __FUNCTION__, | |
| strerror(errno)); | |
| return -errno; | |
| } else if ((ev.type == UHID_OUTPUT) || (ev.type==UHID_OUTPUT_EV)) { | |
| // Only these two types havae payload, | |
| // ensure we read full event descriptor | |
| if (ret < (ssize_t)sizeof(ev)) { | |
| APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %ld != %lu", | |
| __FUNCTION__, ret, sizeof(ev.type)); | |
| return -EFAULT; | |
| } | |
| } | |
| switch (ev.type) { | |
| case UHID_START: | |
| APPL_TRACE_DEBUG("UHID_START from uhid-dev\n"); | |
| p_dev->ready_for_data = TRUE; | |
| break; | |
| case UHID_STOP: | |
| APPL_TRACE_DEBUG("UHID_STOP from uhid-dev\n"); | |
| p_dev->ready_for_data = FALSE; | |
| break; | |
| case UHID_OPEN: | |
| APPL_TRACE_DEBUG("UHID_OPEN from uhid-dev\n"); | |
| p_dev->ready_for_data = TRUE; | |
| break; | |
| case UHID_CLOSE: | |
| APPL_TRACE_DEBUG("UHID_CLOSE from uhid-dev\n"); | |
| p_dev->ready_for_data = FALSE; | |
| break; | |
| case UHID_OUTPUT: | |
| if (ret < (ssize_t)(sizeof(ev.type) + sizeof(ev.u.output))) { | |
| APPL_TRACE_ERROR("%s: Invalid size read from uhid-dev: %zd < %zu", | |
| __FUNCTION__, ret, | |
| sizeof(ev.type) + sizeof(ev.u.output)); | |
| return -EFAULT; | |
| } | |
| APPL_TRACE_DEBUG("UHID_OUTPUT: Report type = %d, report_size = %d" | |
| ,ev.u.output.rtype, ev.u.output.size); | |
| //Send SET_REPORT with feature report if the report type in output event is FEATURE | |
| if(ev.u.output.rtype == UHID_FEATURE_REPORT) | |
| btif_hh_setreport(p_dev, BTHH_FEATURE_REPORT, | |
| ev.u.output.size, ev.u.output.data); | |
| else if(ev.u.output.rtype == UHID_OUTPUT_REPORT) | |
| btif_hh_setreport(p_dev, BTHH_OUTPUT_REPORT, | |
| ev.u.output.size, ev.u.output.data); | |
| else | |
| btif_hh_setreport(p_dev, BTHH_INPUT_REPORT, | |
| ev.u.output.size, ev.u.output.data); | |
| break; | |
| case UHID_OUTPUT_EV: | |
| APPL_TRACE_DEBUG("UHID_OUTPUT_EV from uhid-dev\n"); | |
| break; | |
| case UHID_FEATURE: | |
| APPL_TRACE_DEBUG("UHID_FEATURE from uhid-dev\n"); | |
| break; | |
| case UHID_FEATURE_ANSWER: | |
| APPL_TRACE_DEBUG("UHID_FEATURE_ANSWER from uhid-dev\n"); | |
| break; | |
| default: | |
| APPL_TRACE_DEBUG("Invalid event from uhid-dev: %u\n", ev.type); | |
| } | |
| return 0; | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function create_thread | |
| ** | |
| ** Description creat a select loop | |
| ** | |
| ** Returns pthread_t | |
| ** | |
| *******************************************************************************/ | |
| static inline pthread_t create_thread(void *(*start_routine)(void *), void * arg){ | |
| APPL_TRACE_DEBUG("create_thread: entered"); | |
| pthread_attr_t thread_attr; | |
| pthread_attr_init(&thread_attr); | |
| pthread_attr_setdetachstate(&thread_attr, PTHREAD_CREATE_JOINABLE); | |
| pthread_t thread_id = -1; | |
| if ( pthread_create(&thread_id, &thread_attr, start_routine, arg)!=0 ) | |
| { | |
| APPL_TRACE_ERROR("pthread_create : %s", strerror(errno)); | |
| return -1; | |
| } | |
| APPL_TRACE_DEBUG("create_thread: thread created successfully"); | |
| return thread_id; | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function btif_hh_poll_event_thread | |
| ** | |
| ** Description the polling thread which polls for event from UHID driver | |
| ** | |
| ** Returns void | |
| ** | |
| *******************************************************************************/ | |
| static void *btif_hh_poll_event_thread(void *arg) | |
| { | |
| btif_hh_device_t *p_dev = arg; | |
| APPL_TRACE_DEBUG("%s: Thread created fd = %d", __func__, p_dev->fd); | |
| struct pollfd pfds[1]; | |
| pfds[0].fd = p_dev->fd; | |
| pfds[0].events = POLLIN; | |
| // Set the uhid fd as non-blocking to ensure we never block the BTU thread | |
| uhid_set_non_blocking(p_dev->fd); | |
| while(p_dev->hh_keep_polling){ | |
| int ret; | |
| OSI_NO_INTR(ret = poll(pfds, 1, 50)); | |
| if (ret < 0) { | |
| APPL_TRACE_ERROR("%s: Cannot poll for fds: %s\n", __func__, strerror(errno)); | |
| break; | |
| } | |
| if (pfds[0].revents & POLLIN) { | |
| APPL_TRACE_DEBUG("%s: POLLIN", __func__); | |
| ret = uhid_read_event(p_dev); | |
| if (ret != 0) | |
| break; | |
| } | |
| } | |
| p_dev->hh_poll_thread_id = -1; | |
| return 0; | |
| } | |
| static inline void btif_hh_close_poll_thread(btif_hh_device_t *p_dev) | |
| { | |
| APPL_TRACE_DEBUG("%s", __FUNCTION__); | |
| p_dev->hh_keep_polling = 0; | |
| if(p_dev->hh_poll_thread_id > 0) | |
| pthread_join(p_dev->hh_poll_thread_id,NULL); | |
| return; | |
| } | |
| void bta_hh_co_destroy(int fd) | |
| { | |
| struct uhid_event ev; | |
| memset(&ev, 0, sizeof(ev)); | |
| ev.type = UHID_DESTROY; | |
| uhid_write(fd, &ev); | |
| APPL_TRACE_DEBUG("%s: Closing fd=%d", __func__, fd); | |
| close(fd); | |
| } | |
| int bta_hh_co_write(int fd, UINT8* rpt, UINT16 len) | |
| { | |
| APPL_TRACE_DEBUG("%s: UHID write %d", __func__, len); | |
| struct uhid_event ev; | |
| memset(&ev, 0, sizeof(ev)); | |
| ev.type = UHID_INPUT; | |
| ev.u.input.size = len; | |
| if(len > sizeof(ev.u.input.data)){ | |
| APPL_TRACE_WARNING("%s: Report size greater than allowed size", | |
| __FUNCTION__); | |
| return -1; | |
| } | |
| memcpy(ev.u.input.data, rpt, len); | |
| return uhid_write(fd, &ev); | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function bta_hh_co_open | |
| ** | |
| ** Description When connection is opened, this call-out function is executed | |
| ** by HH to do platform specific initialization. | |
| ** | |
| ** Returns void. | |
| *******************************************************************************/ | |
| void bta_hh_co_open(UINT8 dev_handle, UINT8 sub_class, tBTA_HH_ATTR_MASK attr_mask, | |
| UINT8 app_id) | |
| { | |
| UINT32 i; | |
| btif_hh_device_t *p_dev = NULL; | |
| if (dev_handle == BTA_HH_INVALID_HANDLE) { | |
| APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", | |
| __FUNCTION__, dev_handle); | |
| return; | |
| } | |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { | |
| p_dev = &btif_hh_cb.devices[i]; | |
| if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && | |
| p_dev->dev_handle == dev_handle) { | |
| // We found a device with the same handle. Must be a device reconnected. | |
| APPL_TRACE_WARNING("%s: Found an existing device with the same handle " | |
| "dev_status = %d",__FUNCTION__, | |
| p_dev->dev_status); | |
| APPL_TRACE_WARNING("%s: bd_addr = [%02X:%02X:%02X:%02X:%02X:]", __FUNCTION__, | |
| p_dev->bd_addr.address[0], p_dev->bd_addr.address[1], p_dev->bd_addr.address[2], | |
| p_dev->bd_addr.address[3], p_dev->bd_addr.address[4]); | |
| APPL_TRACE_WARNING("%s: attr_mask = 0x%04x, sub_class = 0x%02x, app_id = %d", | |
| __FUNCTION__, p_dev->attr_mask, p_dev->sub_class, p_dev->app_id); | |
| if(p_dev->fd<0) { | |
| p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC); | |
| if (p_dev->fd < 0){ | |
| APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", | |
| __FUNCTION__,strerror(errno)); | |
| return; | |
| }else | |
| APPL_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); | |
| } | |
| p_dev->hh_keep_polling = 1; | |
| p_dev->hh_poll_thread_id = create_thread(btif_hh_poll_event_thread, p_dev); | |
| break; | |
| } | |
| p_dev = NULL; | |
| } | |
| if (p_dev == NULL) { | |
| // Did not find a device reconnection case. Find an empty slot now. | |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { | |
| if (btif_hh_cb.devices[i].dev_status == BTHH_CONN_STATE_UNKNOWN) { | |
| p_dev = &btif_hh_cb.devices[i]; | |
| p_dev->dev_handle = dev_handle; | |
| p_dev->attr_mask = attr_mask; | |
| p_dev->sub_class = sub_class; | |
| p_dev->app_id = app_id; | |
| p_dev->local_vup = FALSE; | |
| btif_hh_cb.device_num++; | |
| // This is a new device,open the uhid driver now. | |
| p_dev->fd = open(dev_path, O_RDWR | O_CLOEXEC); | |
| if (p_dev->fd < 0){ | |
| APPL_TRACE_ERROR("%s: Error: failed to open uhid, err:%s", | |
| __FUNCTION__,strerror(errno)); | |
| return; | |
| }else{ | |
| APPL_TRACE_DEBUG("%s: uhid fd = %d", __FUNCTION__, p_dev->fd); | |
| p_dev->hh_keep_polling = 1; | |
| p_dev->hh_poll_thread_id = create_thread(btif_hh_poll_event_thread, p_dev); | |
| } | |
| break; | |
| } | |
| } | |
| } | |
| if (p_dev == NULL) { | |
| APPL_TRACE_ERROR("%s: Error: too many HID devices are connected", __FUNCTION__); | |
| return; | |
| } | |
| p_dev->dev_status = BTHH_CONN_STATE_CONNECTED; | |
| APPL_TRACE_DEBUG("%s: Return device status %d", __FUNCTION__, p_dev->dev_status); | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function bta_hh_co_close | |
| ** | |
| ** Description When connection is closed, this call-out function is executed | |
| ** by HH to do platform specific finalization. | |
| ** | |
| ** Parameters dev_handle - device handle | |
| ** app_id - application id | |
| ** | |
| ** Returns void. | |
| *******************************************************************************/ | |
| void bta_hh_co_close(UINT8 dev_handle, UINT8 app_id) | |
| { | |
| UINT32 i; | |
| btif_hh_device_t *p_dev = NULL; | |
| APPL_TRACE_WARNING("%s: dev_handle = %d, app_id = %d", __FUNCTION__, dev_handle, app_id); | |
| if (dev_handle == BTA_HH_INVALID_HANDLE) { | |
| APPL_TRACE_WARNING("%s: Oops, dev_handle (%d) is invalid...", __FUNCTION__, dev_handle); | |
| return; | |
| } | |
| for (i = 0; i < BTIF_HH_MAX_HID; i++) { | |
| p_dev = &btif_hh_cb.devices[i]; | |
| if (p_dev->dev_status != BTHH_CONN_STATE_UNKNOWN && p_dev->dev_handle == dev_handle) { | |
| APPL_TRACE_WARNING("%s: Found an existing device with the same handle " | |
| "dev_status = %d, dev_handle =%d" | |
| ,__FUNCTION__,p_dev->dev_status | |
| ,p_dev->dev_handle); | |
| btif_hh_close_poll_thread(p_dev); | |
| break; | |
| } | |
| } | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function bta_hh_co_data | |
| ** | |
| ** Description This function is executed by BTA when HID host receive a data | |
| ** report. | |
| ** | |
| ** Parameters dev_handle - device handle | |
| ** *p_rpt - pointer to the report data | |
| ** len - length of report data | |
| ** mode - Hid host Protocol Mode | |
| ** sub_clas - Device Subclass | |
| ** app_id - application id | |
| ** | |
| ** Returns void | |
| *******************************************************************************/ | |
| void bta_hh_co_data(UINT8 dev_handle, UINT8 *p_rpt, UINT16 len, tBTA_HH_PROTO_MODE mode, | |
| UINT8 sub_class, UINT8 ctry_code, BD_ADDR peer_addr, UINT8 app_id) | |
| { | |
| btif_hh_device_t *p_dev; | |
| UNUSED(peer_addr); | |
| APPL_TRACE_DEBUG("%s: dev_handle = %d, subclass = 0x%02X, mode = %d, " | |
| "ctry_code = %d, app_id = %d", | |
| __FUNCTION__, dev_handle, sub_class, mode, ctry_code, app_id); | |
| p_dev = btif_hh_find_connected_dev_by_handle(dev_handle); | |
| if (p_dev == NULL) { | |
| APPL_TRACE_WARNING("%s: Error: unknown HID device handle %d", __FUNCTION__, dev_handle); | |
| return; | |
| } | |
| // Send the HID data to the kernel. | |
| if ((p_dev->fd >= 0) && p_dev->ready_for_data) { | |
| bta_hh_co_write(p_dev->fd, p_rpt, len); | |
| }else { | |
| APPL_TRACE_WARNING("%s: Error: fd = %d, ready %d, len = %d", __FUNCTION__, p_dev->fd, | |
| p_dev->ready_for_data, len); | |
| } | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function bta_hh_co_send_hid_info | |
| ** | |
| ** Description This function is called in btif_hh.c to process DSCP received. | |
| ** | |
| ** Parameters dev_handle - device handle | |
| ** dscp_len - report descriptor length | |
| ** *p_dscp - report descriptor | |
| ** | |
| ** Returns void | |
| *******************************************************************************/ | |
| void bta_hh_co_send_hid_info(btif_hh_device_t *p_dev, char *dev_name, UINT16 vendor_id, | |
| UINT16 product_id, UINT16 version, UINT8 ctry_code, | |
| int dscp_len, UINT8 *p_dscp) | |
| { | |
| int result; | |
| struct uhid_event ev; | |
| if (p_dev->fd < 0) { | |
| APPL_TRACE_WARNING("%s: Error: fd = %d, dscp_len = %d", __FUNCTION__, p_dev->fd, dscp_len); | |
| return; | |
| } | |
| APPL_TRACE_WARNING("%s: fd = %d, name = [%s], dscp_len = %d", __FUNCTION__, | |
| p_dev->fd, dev_name, dscp_len); | |
| APPL_TRACE_WARNING("%s: vendor_id = 0x%04x, product_id = 0x%04x, version= 0x%04x," | |
| "ctry_code=0x%02x",__FUNCTION__, | |
| vendor_id, product_id, | |
| version, ctry_code); | |
| //Create and send hid descriptor to kernel | |
| memset(&ev, 0, sizeof(ev)); | |
| ev.type = UHID_CREATE; | |
| strncpy((char*)ev.u.create.name, dev_name, sizeof(ev.u.create.name) - 1); | |
| snprintf((char*)ev.u.create.uniq, sizeof(ev.u.create.uniq), | |
| "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X", | |
| p_dev->bd_addr.address[5], p_dev->bd_addr.address[4], | |
| p_dev->bd_addr.address[3], p_dev->bd_addr.address[2], | |
| p_dev->bd_addr.address[1], p_dev->bd_addr.address[0]); | |
| ev.u.create.rd_size = dscp_len; | |
| ev.u.create.rd_data = p_dscp; | |
| ev.u.create.bus = BUS_BLUETOOTH; | |
| ev.u.create.vendor = vendor_id; | |
| ev.u.create.product = product_id; | |
| ev.u.create.version = version; | |
| ev.u.create.country = ctry_code; | |
| result = uhid_write(p_dev->fd, &ev); | |
| APPL_TRACE_WARNING("%s: wrote descriptor to fd = %d, dscp_len = %d, result = %d", __FUNCTION__, | |
| p_dev->fd, dscp_len, result); | |
| if (result) { | |
| APPL_TRACE_WARNING("%s: Error: failed to send DSCP, result = %d", __FUNCTION__, result); | |
| /* The HID report descriptor is corrupted. Close the driver. */ | |
| close(p_dev->fd); | |
| p_dev->fd = -1; | |
| } | |
| } | |
| #if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE) | |
| /******************************************************************************* | |
| ** | |
| ** Function bta_hh_le_co_rpt_info | |
| ** | |
| ** Description This callout function is to convey the report information on | |
| ** a HOGP device to the application. Application can save this | |
| ** information in NV if device is bonded and load it back when | |
| ** stack reboot. | |
| ** | |
| ** Parameters remote_bda - remote device address | |
| ** p_entry - report entry pointer | |
| ** app_id - application id | |
| ** | |
| ** Returns void. | |
| ** | |
| *******************************************************************************/ | |
| void bta_hh_le_co_rpt_info(BD_ADDR remote_bda, tBTA_HH_RPT_CACHE_ENTRY *p_entry, UINT8 app_id) | |
| { | |
| UNUSED(app_id); | |
| unsigned idx = 0; | |
| bdstr_t bdstr; | |
| sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x", | |
| remote_bda[0], remote_bda[1], remote_bda[2], | |
| remote_bda[3], remote_bda[4], remote_bda[5]); | |
| size_t len = btif_config_get_bin_length(bdstr, "HidReport"); | |
| if (len >= sizeof(tBTA_HH_RPT_CACHE_ENTRY) && len <= sizeof(sReportCache)) | |
| { | |
| btif_config_get_bin(bdstr, "HidReport", (uint8_t *)sReportCache, &len); | |
| idx = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY); | |
| } | |
| if (idx < BTA_HH_NV_LOAD_MAX) | |
| { | |
| memcpy(&sReportCache[idx++], p_entry, sizeof(tBTA_HH_RPT_CACHE_ENTRY)); | |
| btif_config_set_bin(bdstr, "HidReport", (const uint8_t *)sReportCache, | |
| idx * sizeof(tBTA_HH_RPT_CACHE_ENTRY)); | |
| BTIF_TRACE_DEBUG("%s() - Saving report; dev=%s, idx=%d", __FUNCTION__, bdstr, idx); | |
| } | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function bta_hh_le_co_cache_load | |
| ** | |
| ** Description This callout function is to request the application to load the | |
| ** cached HOGP report if there is any. When cache reading is completed, | |
| ** bta_hh_le_ci_cache_load() is called by the application. | |
| ** | |
| ** Parameters remote_bda - remote device address | |
| ** p_num_rpt: number of cached report | |
| ** app_id - application id | |
| ** | |
| ** Returns the acched report array | |
| ** | |
| *******************************************************************************/ | |
| tBTA_HH_RPT_CACHE_ENTRY * bta_hh_le_co_cache_load (BD_ADDR remote_bda, | |
| UINT8 *p_num_rpt, UINT8 app_id) | |
| { | |
| UNUSED(app_id); | |
| bdstr_t bdstr; | |
| sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x", | |
| remote_bda[0], remote_bda[1], remote_bda[2], | |
| remote_bda[3], remote_bda[4], remote_bda[5]); | |
| size_t len = btif_config_get_bin_length(bdstr, "HidReport"); | |
| if (!p_num_rpt && len < sizeof(tBTA_HH_RPT_CACHE_ENTRY)) | |
| return NULL; | |
| if (len > sizeof(sReportCache)) | |
| len = sizeof(sReportCache); | |
| btif_config_get_bin(bdstr, "HidReport", (uint8_t *)sReportCache, &len); | |
| *p_num_rpt = len / sizeof(tBTA_HH_RPT_CACHE_ENTRY); | |
| BTIF_TRACE_DEBUG("%s() - Loaded %d reports; dev=%s", __FUNCTION__, *p_num_rpt, bdstr); | |
| return sReportCache; | |
| } | |
| /******************************************************************************* | |
| ** | |
| ** Function bta_hh_le_co_reset_rpt_cache | |
| ** | |
| ** Description This callout function is to reset the HOGP device cache. | |
| ** | |
| ** Parameters remote_bda - remote device address | |
| ** | |
| ** Returns none | |
| ** | |
| *******************************************************************************/ | |
| void bta_hh_le_co_reset_rpt_cache (BD_ADDR remote_bda, UINT8 app_id) | |
| { | |
| UNUSED(app_id); | |
| bdstr_t bdstr; | |
| sprintf(bdstr, "%02x:%02x:%02x:%02x:%02x:%02x", | |
| remote_bda[0], remote_bda[1], remote_bda[2], | |
| remote_bda[3], remote_bda[4], remote_bda[5]); | |
| btif_config_remove(bdstr, "HidReport"); | |
| BTIF_TRACE_DEBUG("%s() - Reset cache for bda %s", __FUNCTION__, bdstr); | |
| } | |
| #endif /* #if (BLE_INCLUDED == TRUE && BTA_HH_LE_INCLUDED == TRUE) */ | |