--- /dev/null
+/******************************************************************************
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+
+/*****************************************************************************
+ *
+ * Filename: btif_rc.c
+ *
+ * Description: Bluetooth AVRC implementation
+ *
+ *****************************************************************************/
+// #include <hardware/bluetooth.h>
+// #include <fcntl.h>
+#include <string.h>
+#include "bta_api.h"
+#include "bta_av_api.h"
+#include "avrc_defs.h"
+#include "gki.h"
+
+#define LOG_TAG "bt_btif_avrc"
+#include "btif_common.h"
+#include "btif_util.h"
+#include "btif_av.h"
+#include "bt_rc.h"
+#include "uinput.h"
+
+/*****************************************************************************
+** Constants & Macros
+******************************************************************************/
+
+/* cod value for Headsets */
+#define COD_AV_HEADSETS 0x0404
+/* for AVRC 1.4 need to change this */
+#define MAX_RC_NOTIFICATIONS AVRC_EVT_APP_SETTING_CHANGE
+
+#define IDX_GET_PLAY_STATUS_RSP 0
+#define IDX_LIST_APP_ATTR_RSP 1
+#define IDX_LIST_APP_VALUE_RSP 2
+#define IDX_GET_CURR_APP_VAL_RSP 3
+#define IDX_SET_APP_VAL_RSP 4
+#define IDX_GET_APP_ATTR_TXT_RSP 5
+#define IDX_GET_APP_VAL_TXT_RSP 6
+#define IDX_GET_ELEMENT_ATTR_RSP 7
+#define MAX_VOLUME 128
+#define MAX_LABEL 16
+#define MAX_TRANSACTIONS_PER_SESSION 16
+#define MAX_CMD_QUEUE_LEN 8
+#define PLAY_STATUS_PLAYING 1
+
+#define CHECK_RC_CONNECTED \
+ BTIF_TRACE_DEBUG("## %s ##", __FUNCTION__); \
+ if(btif_rc_cb.rc_connected == FALSE) \
+ { \
+ BTIF_TRACE_WARNING("Function %s() called when RC is not connected", __FUNCTION__); \
+ return BT_STATUS_NOT_READY; \
+ }
+
+#define FILL_PDU_QUEUE(index, ctype, label, pending) \
+{ \
+ btif_rc_cb.rc_pdu_info[index].ctype = ctype; \
+ btif_rc_cb.rc_pdu_info[index].label = label; \
+ btif_rc_cb.rc_pdu_info[index].is_rsp_pending = pending; \
+}
+
+#define SEND_METAMSG_RSP(index, avrc_rsp) \
+{ \
+ if(btif_rc_cb.rc_pdu_info[index].is_rsp_pending == FALSE) \
+ { \
+ BTIF_TRACE_WARNING("%s Not sending response as no PDU was registered", __FUNCTION__); \
+ return BT_STATUS_UNHANDLED; \
+ } \
+ send_metamsg_rsp(btif_rc_cb.rc_handle, btif_rc_cb.rc_pdu_info[index].label, \
+ btif_rc_cb.rc_pdu_info[index].ctype, avrc_rsp); \
+ btif_rc_cb.rc_pdu_info[index].ctype = 0; \
+ btif_rc_cb.rc_pdu_info[index].label = 0; \
+ btif_rc_cb.rc_pdu_info[index].is_rsp_pending = FALSE; \
+}
+
+/*****************************************************************************
+** Local type definitions
+******************************************************************************/
+typedef struct {
+ UINT8 bNotify;
+ UINT8 label;
+} btif_rc_reg_notifications_t;
+
+typedef struct
+{
+ UINT8 label;
+ UINT8 ctype;
+ BOOLEAN is_rsp_pending;
+} btif_rc_cmd_ctxt_t;
+
+/* TODO : Merge btif_rc_reg_notifications_t and btif_rc_cmd_ctxt_t to a single struct */
+typedef struct {
+ BOOLEAN rc_connected;
+ UINT8 rc_handle;
+ tBTA_AV_FEAT rc_features;
+ BD_ADDR rc_addr;
+ UINT16 rc_pending_play;
+ btif_rc_cmd_ctxt_t rc_pdu_info[MAX_CMD_QUEUE_LEN];
+ btif_rc_reg_notifications_t rc_notif[MAX_RC_NOTIFICATIONS];
+ unsigned int rc_volume;
+ uint8_t rc_vol_label;
+} btif_rc_cb_t;
+
+typedef struct {
+ BOOLEAN in_use;
+ UINT8 lbl;
+ UINT8 handle;
+} rc_transaction_t;
+
+typedef struct
+{
+ pthread_mutex_t lbllock;
+ rc_transaction_t transaction[MAX_TRANSACTIONS_PER_SESSION];
+} rc_device_t;
+
+
+rc_device_t device;
+
+#if UINPUT_INCLUDED
+#define MAX_UINPUT_PATHS 3
+static const char* uinput_dev_path[] =
+ {"/dev/uinput", "/dev/input/uinput", "/dev/misc/uinput" };
+#endif /* UINPUT_INCLUDED */
+static int uinput_fd = -1;
+
+static void send_key (int fd, uint16_t key, int pressed);
+#if UINPUT_INCLUDED
+static int send_event (int fd, uint16_t type, uint16_t code, int32_t value);
+static int uinput_driver_check();
+static int uinput_create(char *name);
+static int init_uinput (void);
+static void close_uinput (void);
+#endif /* UINPUT_INCLUDED */
+
+static const struct {
+ const char *name;
+ uint8_t avrcp;
+ uint16_t mapped_id;
+ uint8_t release_quirk;
+} key_map[] = {
+ { "PLAY", AVRC_ID_PLAY, KEY_PLAYCD, 1 },
+ { "STOP", AVRC_ID_STOP, KEY_STOPCD, 0 },
+ { "PAUSE", AVRC_ID_PAUSE, KEY_PAUSECD, 1 },
+ { "FORWARD", AVRC_ID_FORWARD, KEY_NEXTSONG, 0 },
+ { "BACKWARD", AVRC_ID_BACKWARD, KEY_PREVIOUSSONG, 0 },
+ { "REWIND", AVRC_ID_REWIND, KEY_REWIND, 0 },
+ { "FAST FORWARD", AVRC_ID_FAST_FOR, KEY_FAST_FORWARD, 0 },
+ { NULL, 0, 0, 0 }
+};
+
+static void send_reject_response (UINT8 rc_handle, UINT8 label,
+ UINT8 pdu, UINT8 status);
+static UINT8 opcode_from_pdu(UINT8 pdu);
+static void send_metamsg_rsp (UINT8 rc_handle, UINT8 label,
+ tBTA_AV_CODE code, tAVRC_RESPONSE *pmetamsg_resp);
+static void register_volumechange(UINT8 label);
+static void lbl_init();
+static void lbl_destroy();
+static void init_all_transactions();
+static bt_status_t get_transaction(rc_transaction_t **ptransaction);
+static void release_transaction(UINT8 label);
+static rc_transaction_t* get_transaction_by_lbl(UINT8 label);
+static void handle_rc_metamsg_rsp(tBTA_AV_META_MSG *pmeta_msg);
+static void btif_rc_upstreams_evt(UINT16 event, tAVRC_COMMAND* p_param, UINT8 ctype, UINT8 label);
+static void btif_rc_upstreams_rsp_evt(UINT16 event, tAVRC_RESPONSE *pavrc_resp, UINT8 ctype, UINT8 label);
+
+/*****************************************************************************
+** Static variables
+******************************************************************************/
+static btif_rc_cb_t btif_rc_cb;
+static btrc_callbacks_t *bt_rc_callbacks = NULL;
+static btrc_ctrl_callbacks_t *bt_rc_ctrl_callbacks = NULL;
+
+/*****************************************************************************
+** Static functions
+******************************************************************************/
+
+/*****************************************************************************
+** Externs
+******************************************************************************/
+#if BTIF_HF_INCLUDED
+extern BOOLEAN btif_hf_call_terminated_recently();
+#else
+BOOLEAN btif_hf_call_terminated_recently()
+{
+ return FALSE;
+}
+#endif
+
+#if 0
+extern BOOLEAN check_cod(const bt_bdaddr_t *remote_bdaddr, uint32_t cod);
+#endif
+
+/*****************************************************************************
+** Functions
+******************************************************************************/
+
+/*****************************************************************************
+** Local uinput helper functions
+******************************************************************************/
+#if UINPUT_INCLUDED
+int send_event (int fd, uint16_t type, uint16_t code, int32_t value)
+{
+ struct uinput_event event;
+ BTIF_TRACE_DEBUG("%s type:%u code:%u value:%d", __FUNCTION__,
+ type, code, value);
+ memset(&event, 0, sizeof(event));
+ event.type = type;
+ event.code = code;
+ event.value = value;
+
+ return write(fd, &event, sizeof(event));
+}
+
+void send_key (int fd, uint16_t key, int pressed)
+{
+ BTIF_TRACE_DEBUG("%s fd:%d key:%u pressed:%d", __FUNCTION__,
+ fd, key, pressed);
+
+ if (fd < 0)
+ {
+ return;
+ }
+
+ BTIF_TRACE_DEBUG("AVRCP: Send key %d (%d) fd=%d", key, pressed, fd);
+ send_event(fd, EV_KEY, key, pressed);
+ send_event(fd, EV_SYN, SYN_REPORT, 0);
+}
+
+/************** uinput related functions **************/
+int uinput_driver_check()
+{
+ uint32_t i;
+ for (i=0; i < MAX_UINPUT_PATHS; i++)
+ {
+ if (access(uinput_dev_path[i], O_RDWR) == 0) {
+ return 0;
+ }
+ }
+ BTIF_TRACE_ERROR("%s ERROR: uinput device is not in the system", __FUNCTION__);
+ return -1;
+}
+
+int uinput_create(char *name)
+{
+ struct uinput_dev dev;
+ int fd, x = 0;
+
+ for(x=0; x < MAX_UINPUT_PATHS; x++)
+ {
+ fd = open(uinput_dev_path[x], O_RDWR);
+ if (fd < 0)
+ continue;
+ break;
+ }
+ if (x == MAX_UINPUT_PATHS) {
+ BTIF_TRACE_ERROR("%s ERROR: uinput device open failed", __FUNCTION__);
+ return -1;
+ }
+ memset(&dev, 0, sizeof(dev));
+ if (name)
+ strncpy(dev.name, name, UINPUT_MAX_NAME_SIZE-1);
+
+ dev.id.bustype = BUS_BLUETOOTH;
+ dev.id.vendor = 0x0000;
+ dev.id.product = 0x0000;
+ dev.id.version = 0x0000;
+
+ if (write(fd, &dev, sizeof(dev)) < 0) {
+ BTIF_TRACE_ERROR("%s Unable to write device information", __FUNCTION__);
+ close(fd);
+ return -1;
+ }
+
+ ioctl(fd, UI_SET_EVBIT, EV_KEY);
+ ioctl(fd, UI_SET_EVBIT, EV_REL);
+ ioctl(fd, UI_SET_EVBIT, EV_SYN);
+
+ for (x = 0; key_map[x].name != NULL; x++)
+ ioctl(fd, UI_SET_KEYBIT, key_map[x].mapped_id);
+
+ if (ioctl(fd, UI_DEV_CREATE, NULL) < 0) {
+ BTIF_TRACE_ERROR("%s Unable to create uinput device", __FUNCTION__);
+ close(fd);
+ return -1;
+ }
+ return fd;
+}
+
+int init_uinput (void)
+{
+ char *name = "AVRCP";
+
+ BTIF_TRACE_DEBUG("%s", __FUNCTION__);
+ uinput_fd = uinput_create(name);
+ if (uinput_fd < 0) {
+ BTIF_TRACE_ERROR("%s AVRCP: Failed to initialize uinput for %s (%d)",
+ __FUNCTION__, name, uinput_fd);
+ } else {
+ BTIF_TRACE_DEBUG("%s AVRCP: Initialized uinput for %s (fd=%d)",
+ __FUNCTION__, name, uinput_fd);
+ }
+ return uinput_fd;
+}
+
+void close_uinput (void)
+{
+ BTIF_TRACE_DEBUG("%s", __FUNCTION__);
+ if (uinput_fd > 0) {
+ ioctl(uinput_fd, UI_DEV_DESTROY);
+
+ close(uinput_fd);
+ uinput_fd = -1;
+ }
+}
+
+#else /* UINPUT_INCLUDED */
+void send_key (int fd, uint16_t key, int pressed)
+{
+ BTIF_TRACE_DEBUG("%s fd:%d key:%u pressed:%d, func not implemented", __FUNCTION__,
+ fd, key, pressed);
+
+ return;
+}
+
+#endif /* UINPUT_INCLUDED */
+
+void handle_rc_features()
+{
+ btrc_remote_features_t rc_features = BTRC_FEAT_NONE;
+ bt_bdaddr_t rc_addr;
+ bdcpy(rc_addr.address, btif_rc_cb.rc_addr);
+
+ // TODO(eisenbach): If devices need to be blacklisted for absolute
+ // volume, it should be added to device/include/interop_database.h
+ // For now, everything goes... If blacklisting is necessary, exclude
+ // the following bit here:
+ // btif_rc_cb.rc_features &= ~BTA_AV_FEAT_ADV_CTRL;
+
+ if (btif_rc_cb.rc_features & BTA_AV_FEAT_BROWSE)
+ {
+ rc_features |= BTRC_FEAT_BROWSE;
+ }
+
+ if ( (btif_rc_cb.rc_features & BTA_AV_FEAT_ADV_CTRL) &&
+ (btif_rc_cb.rc_features & BTA_AV_FEAT_RCTG))
+ {
+ rc_features |= BTRC_FEAT_ABSOLUTE_VOLUME;
+ }
+
+ if (btif_rc_cb.rc_features & BTA_AV_FEAT_METADATA)
+ {
+ rc_features |= BTRC_FEAT_METADATA;
+ }
+
+ BTIF_TRACE_DEBUG("%s: rc_features=0x%x", __FUNCTION__, rc_features);
+ HAL_CBACK(bt_rc_callbacks, remote_features_cb, &rc_addr, rc_features)
+
+#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
+ BTIF_TRACE_DEBUG("Checking for feature flags in btif_rc_handler with label %d",
+ btif_rc_cb.rc_vol_label);
+ // Register for volume change on connect
+ if(btif_rc_cb.rc_features & BTA_AV_FEAT_ADV_CTRL &&
+ btif_rc_cb.rc_features & BTA_AV_FEAT_RCTG)
+ {
+ rc_transaction_t *p_transaction=NULL;
+ bt_status_t status = BT_STATUS_NOT_READY;
+ if(MAX_LABEL==btif_rc_cb.rc_vol_label)
+ {
+ status=get_transaction(&p_transaction);
+ }
+ else
+ {
+ p_transaction=get_transaction_by_lbl(btif_rc_cb.rc_vol_label);
+ if(NULL!=p_transaction)
+ {
+ BTIF_TRACE_DEBUG("register_volumechange already in progress for label %d",
+ btif_rc_cb.rc_vol_label);
+ return;
+ }
+ else
+ status=get_transaction(&p_transaction);
+ }
+
+ if(BT_STATUS_SUCCESS == status && NULL!=p_transaction)
+ {
+ btif_rc_cb.rc_vol_label=p_transaction->lbl;
+ register_volumechange(btif_rc_cb.rc_vol_label);
+ }
+ }
+#endif
+}
+
+
+/***************************************************************************
+ * Function handle_rc_connect
+ *
+ * - Argument: tBTA_AV_RC_OPEN RC open data structure
+ *
+ * - Description: RC connection event handler
+ *
+ ***************************************************************************/
+void handle_rc_connect (tBTA_AV_RC_OPEN *p_rc_open)
+{
+ BTIF_TRACE_DEBUG("%s: rc_handle: %d", __FUNCTION__, p_rc_open->rc_handle);
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ bt_bdaddr_t rc_addr;
+#endif
+
+ if(p_rc_open->status == BTA_AV_SUCCESS)
+ {
+ //check if already some RC is connected
+ if (btif_rc_cb.rc_connected)
+ {
+ BTIF_TRACE_ERROR("Got RC OPEN in connected state, Connected RC: %d \
+ and Current RC: %d", btif_rc_cb.rc_handle,p_rc_open->rc_handle );
+ if ((btif_rc_cb.rc_handle != p_rc_open->rc_handle)
+ && (bdcmp(btif_rc_cb.rc_addr, p_rc_open->peer_addr)))
+ {
+ BTIF_TRACE_DEBUG("Got RC connected for some other handle");
+ BTA_AvCloseRc(p_rc_open->rc_handle);
+ return;
+ }
+ }
+ memcpy(btif_rc_cb.rc_addr, p_rc_open->peer_addr, sizeof(BD_ADDR));
+ btif_rc_cb.rc_features = p_rc_open->peer_features;
+ btif_rc_cb.rc_vol_label=MAX_LABEL;
+ btif_rc_cb.rc_volume=MAX_VOLUME;
+
+ btif_rc_cb.rc_connected = TRUE;
+ btif_rc_cb.rc_handle = p_rc_open->rc_handle;
+
+ /* on locally initiated connection we will get remote features as part of connect */
+ if (btif_rc_cb.rc_features != 0)
+ handle_rc_features();
+#if UINPUT_INCLUDED
+ if(uinput_driver_check() == BT_STATUS_SUCCESS)
+ {
+ init_uinput();
+ }
+#endif /* UINPUT_INCLUDED */
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ bdcpy(rc_addr.address, btif_rc_cb.rc_addr);
+ /* report connection state if device is AVRCP target */
+ if (btif_rc_cb.rc_features & BTA_AV_FEAT_RCTG) {
+ if (bt_rc_ctrl_callbacks != NULL) {
+ HAL_CBACK(bt_rc_ctrl_callbacks, connection_state_cb, TRUE, &rc_addr);
+ }
+ }
+#endif
+ }
+ else
+ {
+ BTIF_TRACE_ERROR("%s Connect failed with error code: %d",
+ __FUNCTION__, p_rc_open->status);
+ btif_rc_cb.rc_connected = FALSE;
+ }
+}
+
+/***************************************************************************
+ * Function handle_rc_disconnect
+ *
+ * - Argument: tBTA_AV_RC_CLOSE RC close data structure
+ *
+ * - Description: RC disconnection event handler
+ *
+ ***************************************************************************/
+void handle_rc_disconnect (tBTA_AV_RC_CLOSE *p_rc_close)
+{
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ bt_bdaddr_t rc_addr;
+ tBTA_AV_FEAT features;
+#endif
+ BTIF_TRACE_DEBUG("%s: rc_handle: %d", __FUNCTION__, p_rc_close->rc_handle);
+ if ((p_rc_close->rc_handle != btif_rc_cb.rc_handle)
+ && (bdcmp(btif_rc_cb.rc_addr, p_rc_close->peer_addr)))
+ {
+ BTIF_TRACE_ERROR("Got disconnect of unknown device");
+ return;
+ }
+
+ btif_rc_cb.rc_handle = 0;
+ btif_rc_cb.rc_connected = FALSE;
+ memset(btif_rc_cb.rc_addr, 0, sizeof(BD_ADDR));
+ memset(btif_rc_cb.rc_notif, 0, sizeof(btif_rc_cb.rc_notif));
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ features = btif_rc_cb.rc_features;
+#endif
+ btif_rc_cb.rc_features = 0;
+ btif_rc_cb.rc_vol_label=MAX_LABEL;
+ btif_rc_cb.rc_volume=MAX_VOLUME;
+ init_all_transactions();
+#if UINPUT_INCLUDED
+ close_uinput();
+#endif /* UINPUT_INCLUDED */
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ bdcpy(rc_addr.address, btif_rc_cb.rc_addr);
+#endif
+ memset(btif_rc_cb.rc_addr, 0, sizeof(BD_ADDR));
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ /* report connection state if device is AVRCP target */
+ if (features & BTA_AV_FEAT_RCTG) {
+ if (bt_rc_ctrl_callbacks != NULL) {
+ HAL_CBACK(bt_rc_ctrl_callbacks, connection_state_cb, FALSE, &rc_addr);
+ }
+ }
+#endif
+}
+
+/***************************************************************************
+ * Function handle_rc_passthrough_cmd
+ *
+ * - Argument: tBTA_AV_RC rc_id remote control command ID
+ * tBTA_AV_STATE key_state status of key press
+ *
+ * - Description: Remote control command handler
+ *
+ ***************************************************************************/
+void handle_rc_passthrough_cmd ( tBTA_AV_REMOTE_CMD *p_remote_cmd)
+{
+ const char *status;
+ int pressed, i;
+
+ BTIF_TRACE_DEBUG("%s: p_remote_cmd->rc_id=%d", __FUNCTION__, p_remote_cmd->rc_id);
+
+ /* If AVRC is open and peer sends PLAY but there is no AVDT, then we queue-up this PLAY */
+ if (p_remote_cmd)
+ {
+ /* queue AVRC PLAY if GAVDTP Open notification to app is pending (2 second timer) */
+ if ((p_remote_cmd->rc_id == BTA_AV_RC_PLAY) && (!btif_av_is_connected()))
+ {
+ if (p_remote_cmd->key_state == AVRC_STATE_PRESS)
+ {
+ APPL_TRACE_WARNING("%s: AVDT not open, queuing the PLAY command", __FUNCTION__);
+ btif_rc_cb.rc_pending_play = TRUE;
+ }
+ return;
+ }
+
+ if ((p_remote_cmd->rc_id == BTA_AV_RC_PAUSE) && (btif_rc_cb.rc_pending_play))
+ {
+ APPL_TRACE_WARNING("%s: Clear the pending PLAY on PAUSE received", __FUNCTION__);
+ btif_rc_cb.rc_pending_play = FALSE;
+ return;
+ }
+ }
+
+ if ((p_remote_cmd->rc_id == BTA_AV_RC_STOP) && (!btif_av_stream_started_ready()))
+ {
+ APPL_TRACE_WARNING("%s: Stream suspended, ignore STOP cmd",__FUNCTION__);
+ return;
+ }
+
+ if (p_remote_cmd->key_state == AVRC_STATE_RELEASE) {
+ status = "released";
+ pressed = 0;
+ } else {
+ status = "pressed";
+ pressed = 1;
+ }
+
+ /* If this is Play/Pause command (press or release) before processing, check the following
+ * a voice call has ended recently
+ * the remote device is not of type headset
+ * If the above conditions meet, drop the Play/Pause command
+ * This fix is to interop with certain carkits which sends an automatic PLAY or PAUSE
+ * commands right after call ends
+ */
+ if((p_remote_cmd->rc_id == BTA_AV_RC_PLAY || p_remote_cmd->rc_id == BTA_AV_RC_PAUSE)&&
+ (btif_hf_call_terminated_recently() == TRUE)
+#if 0 // temporary hack since no btif_storage module is not ported for now
+ && (check_cod( (const bt_bdaddr_t*)&(btif_rc_cb.rc_addr), COD_AV_HEADSETS) != TRUE)
+#endif
+ )
+ {
+ BTIF_TRACE_DEBUG("%s:Dropping the play/Pause command received right after call end cmd:%d",
+ __FUNCTION__,p_remote_cmd->rc_id);
+ return;
+ }
+
+ if (p_remote_cmd->rc_id == BTA_AV_RC_FAST_FOR || p_remote_cmd->rc_id == BTA_AV_RC_REWIND) {
+ HAL_CBACK(bt_rc_callbacks, passthrough_cmd_cb, p_remote_cmd->rc_id, pressed);
+ return;
+ }
+
+ for (i = 0; key_map[i].name != NULL; i++) {
+ if (p_remote_cmd->rc_id == key_map[i].avrcp) {
+ BTIF_TRACE_DEBUG("%s: %s %s", __FUNCTION__, key_map[i].name, status);
+
+ /* MusicPlayer uses a long_press_timeout of 1 second for PLAYPAUSE button
+ * and maps that to autoshuffle. So if for some reason release for PLAY/PAUSE
+ * comes 1 second after the press, the MediaPlayer UI goes into a bad state.
+ * The reason for the delay could be sniff mode exit or some AVDTP procedure etc.
+ * The fix is to generate a release right after the press and drown the 'actual'
+ * release.
+ */
+ if ((key_map[i].release_quirk == 1) && (pressed == 0))
+ {
+ BTIF_TRACE_DEBUG("%s: AVRC %s Release Faked earlier, drowned now",
+ __FUNCTION__, key_map[i].name);
+ return;
+ }
+ send_key(uinput_fd, key_map[i].mapped_id, pressed);
+ if ((key_map[i].release_quirk == 1) && (pressed == 1))
+ {
+ GKI_delay(30); // 30ms
+ BTIF_TRACE_DEBUG("%s: AVRC %s Release quirk enabled, send release now",
+ __FUNCTION__, key_map[i].name);
+ send_key(uinput_fd, key_map[i].mapped_id, 0);
+ }
+ break;
+ }
+ }
+
+ if (key_map[i].name == NULL)
+ BTIF_TRACE_ERROR("%s AVRCP: unknown button 0x%02X %s", __FUNCTION__,
+ p_remote_cmd->rc_id, status);
+}
+
+/***************************************************************************
+ * Function handle_rc_passthrough_rsp
+ *
+ * - Argument: tBTA_AV_REMOTE_RSP passthrough command response
+ *
+ * - Description: Remote control passthrough response handler
+ *
+ ***************************************************************************/
+void handle_rc_passthrough_rsp ( tBTA_AV_REMOTE_RSP *p_remote_rsp)
+{
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ const char *status;
+ if (btif_rc_cb.rc_features & BTA_AV_FEAT_RCTG)
+ {
+ int key_state;
+ if (p_remote_rsp->key_state == AVRC_STATE_RELEASE)
+ {
+ status = "released";
+ key_state = 1;
+ }
+ else
+ {
+ status = "pressed";
+ key_state = 0;
+ }
+
+ BTIF_TRACE_DEBUG("%s: rc_id=%d status=%s", __FUNCTION__, p_remote_rsp->rc_id, status);
+
+ release_transaction(p_remote_rsp->label);
+ if (bt_rc_ctrl_callbacks != NULL) {
+ HAL_CBACK(bt_rc_ctrl_callbacks, passthrough_rsp_cb, p_remote_rsp->rc_id, key_state);
+ }
+ }
+ else
+ {
+ BTIF_TRACE_ERROR("%s DUT does not support AVRCP controller role", __FUNCTION__);
+ }
+#else
+ BTIF_TRACE_ERROR("%s AVRCP controller role is not enabled", __FUNCTION__);
+#endif
+}
+
+void handle_uid_changed_notification(tBTA_AV_META_MSG *pmeta_msg, tAVRC_COMMAND *pavrc_command)
+{
+ tAVRC_RESPONSE avrc_rsp = {0};
+ avrc_rsp.rsp.pdu = pavrc_command->pdu;
+ avrc_rsp.rsp.status = AVRC_STS_NO_ERROR;
+ avrc_rsp.rsp.opcode = pavrc_command->cmd.opcode;
+
+ avrc_rsp.reg_notif.event_id = pavrc_command->reg_notif.event_id;
+ avrc_rsp.reg_notif.param.uid_counter = 0;
+
+ send_metamsg_rsp(pmeta_msg->rc_handle, pmeta_msg->label, AVRC_RSP_INTERIM, &avrc_rsp);
+ send_metamsg_rsp(pmeta_msg->rc_handle, pmeta_msg->label, AVRC_RSP_CHANGED, &avrc_rsp);
+
+}
+
+
+/***************************************************************************
+ * Function handle_rc_metamsg_cmd
+ *
+ * - Argument: tBTA_AV_VENDOR Structure containing the received
+ * metamsg command
+ *
+ * - Description: Remote control metamsg command handler (AVRCP 1.3)
+ *
+ ***************************************************************************/
+void handle_rc_metamsg_cmd (tBTA_AV_META_MSG *pmeta_msg)
+{
+ /* Parse the metamsg command and pass it on to BTL-IFS */
+ UINT8 scratch_buf[512] = {0};
+ tAVRC_COMMAND avrc_command = {0};
+ tAVRC_STS status;
+
+ BTIF_TRACE_EVENT("+ %s", __FUNCTION__);
+
+ if (pmeta_msg->p_msg->hdr.opcode != AVRC_OP_VENDOR)
+ {
+ BTIF_TRACE_WARNING("Invalid opcode: %x", pmeta_msg->p_msg->hdr.opcode);
+ return;
+ }
+ if (pmeta_msg->len < 3)
+ {
+ BTIF_TRACE_WARNING("Invalid length.Opcode: 0x%x, len: 0x%x", pmeta_msg->p_msg->hdr.opcode,
+ pmeta_msg->len);
+ return;
+ }
+
+ if (pmeta_msg->code >= AVRC_RSP_NOT_IMPL)
+ {
+#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
+{
+ rc_transaction_t *transaction=NULL;
+ transaction=get_transaction_by_lbl(pmeta_msg->label);
+ if(NULL!=transaction)
+ {
+ handle_rc_metamsg_rsp(pmeta_msg);
+ }
+ else
+ {
+ BTIF_TRACE_DEBUG("%s:Discard vendor dependent rsp. code: %d label:%d.",
+ __FUNCTION__, pmeta_msg->code, pmeta_msg->label);
+ }
+ return;
+}
+#else
+{
+ BTIF_TRACE_DEBUG("%s:Received vendor dependent rsp. code: %d len: %d. Not processing it.",
+ __FUNCTION__, pmeta_msg->code, pmeta_msg->len);
+ return;
+}
+#endif
+ }
+
+ status=AVRC_ParsCommand(pmeta_msg->p_msg, &avrc_command, scratch_buf, sizeof(scratch_buf));
+ BTIF_TRACE_DEBUG("Received vendor command.code,PDU and label: %d, %d,%d",pmeta_msg->code,
+ avrc_command.cmd.pdu, pmeta_msg->label);
+
+ if (status != AVRC_STS_NO_ERROR)
+ {
+ /* return error */
+ BTIF_TRACE_WARNING("%s: Error in parsing received metamsg command. status: 0x%02x",
+ __FUNCTION__, status);
+ send_reject_response(pmeta_msg->rc_handle, pmeta_msg->label, avrc_command.pdu, status);
+ }
+ else
+ {
+ /* if RegisterNotification, add it to our registered queue */
+
+ if (avrc_command.cmd.pdu == AVRC_PDU_REGISTER_NOTIFICATION)
+ {
+ UINT8 event_id = avrc_command.reg_notif.event_id;
+ BTIF_TRACE_EVENT("%s:New register notification received.event_id:%s,label:0x%x,code:%x",
+ __FUNCTION__,dump_rc_notification_event_id(event_id), pmeta_msg->label,pmeta_msg->code);
+ btif_rc_cb.rc_notif[event_id-1].bNotify = TRUE;
+ btif_rc_cb.rc_notif[event_id-1].label = pmeta_msg->label;
+
+ if(event_id == AVRC_EVT_UIDS_CHANGE)
+ {
+ handle_uid_changed_notification(pmeta_msg, &avrc_command);
+ return;
+ }
+
+ }
+
+ BTIF_TRACE_EVENT("%s: Passing received metamsg command to app. pdu: %s",
+ __FUNCTION__, dump_rc_pdu(avrc_command.cmd.pdu));
+
+ /* Since handle_rc_metamsg_cmd() itself is called from
+ *btif context, no context switching is required. Invoke
+ * btif_rc_upstreams_evt directly from here. */
+ btif_rc_upstreams_evt((uint16_t)avrc_command.cmd.pdu, &avrc_command, pmeta_msg->code,
+ pmeta_msg->label);
+ }
+}
+
+/***************************************************************************
+ **
+ ** Function btif_rc_handler
+ **
+ ** Description RC event handler
+ **
+ ***************************************************************************/
+void btif_rc_handler(tBTA_AV_EVT event, tBTA_AV *p_data)
+{
+ BTIF_TRACE_EVENT ("%s event:%s", __FUNCTION__, dump_rc_event(event));
+ switch (event)
+ {
+ case BTA_AV_RC_OPEN_EVT:
+ {
+ BTIF_TRACE_DEBUG("Peer_features:%x", p_data->rc_open.peer_features);
+ handle_rc_connect( &(p_data->rc_open) );
+ }break;
+
+ case BTA_AV_RC_CLOSE_EVT:
+ {
+ handle_rc_disconnect( &(p_data->rc_close) );
+ }break;
+
+ case BTA_AV_REMOTE_CMD_EVT:
+ {
+ BTIF_TRACE_DEBUG("rc_id:0x%x key_state:%d", p_data->remote_cmd.rc_id,
+ p_data->remote_cmd.key_state);
+ handle_rc_passthrough_cmd( (&p_data->remote_cmd) );
+ }
+ break;
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ case BTA_AV_REMOTE_RSP_EVT:
+ {
+ BTIF_TRACE_DEBUG("RSP: rc_id:0x%x key_state:%d", p_data->remote_rsp.rc_id,
+ p_data->remote_rsp.key_state);
+ handle_rc_passthrough_rsp( (&p_data->remote_rsp) );
+ }
+ break;
+#endif
+ case BTA_AV_RC_FEAT_EVT:
+ {
+ BTIF_TRACE_DEBUG("Peer_features:%x", p_data->rc_feat.peer_features);
+ btif_rc_cb.rc_features = p_data->rc_feat.peer_features;
+ handle_rc_features();
+ }
+ break;
+ case BTA_AV_META_MSG_EVT:
+ {
+ BTIF_TRACE_DEBUG("BTA_AV_META_MSG_EVT code:%d label:%d", p_data->meta_msg.code,
+ p_data->meta_msg.label);
+ BTIF_TRACE_DEBUG(" company_id:0x%x len:%d handle:%d", p_data->meta_msg.company_id,
+ p_data->meta_msg.len, p_data->meta_msg.rc_handle);
+ /* handle the metamsg command */
+ handle_rc_metamsg_cmd(&(p_data->meta_msg));
+ }
+ break;
+ default:
+ BTIF_TRACE_DEBUG("Unhandled RC event : 0x%x", event);
+ }
+}
+
+/***************************************************************************
+ **
+ ** Function btif_rc_get_connected_peer
+ **
+ ** Description Fetches the connected headset's BD_ADDR if any
+ **
+ ***************************************************************************/
+BOOLEAN btif_rc_get_connected_peer(BD_ADDR peer_addr)
+{
+ if (btif_rc_cb.rc_connected == TRUE) {
+ bdcpy(peer_addr, btif_rc_cb.rc_addr);
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/***************************************************************************
+ **
+ ** Function btif_rc_check_handle_pending_play
+ **
+ ** Description Clears the queued PLAY command. if bSend is TRUE, forwards to app
+ **
+ ***************************************************************************/
+
+/* clear the queued PLAY command. if bSend is TRUE, forward to app */
+void btif_rc_check_handle_pending_play (BD_ADDR peer_addr, BOOLEAN bSendToApp)
+{
+ UNUSED(peer_addr);
+
+ BTIF_TRACE_DEBUG("%s: bSendToApp=%d", __FUNCTION__, bSendToApp);
+ if (btif_rc_cb.rc_pending_play)
+ {
+ if (bSendToApp)
+ {
+ tBTA_AV_REMOTE_CMD remote_cmd;
+ APPL_TRACE_DEBUG("%s: Sending queued PLAYED event to app", __FUNCTION__);
+
+ memset (&remote_cmd, 0, sizeof(tBTA_AV_REMOTE_CMD));
+ remote_cmd.rc_handle = btif_rc_cb.rc_handle;
+ remote_cmd.rc_id = AVRC_ID_PLAY;
+ remote_cmd.hdr.ctype = AVRC_CMD_CTRL;
+ remote_cmd.hdr.opcode = AVRC_OP_PASS_THRU;
+
+ /* delay sending to app, else there is a timing issue in the framework,
+ ** which causes the audio to be on th device's speaker. Delay between
+ ** OPEN & RC_PLAYs
+ */
+ GKI_delay (200);
+ /* send to app - both PRESSED & RELEASED */
+ remote_cmd.key_state = AVRC_STATE_PRESS;
+ handle_rc_passthrough_cmd( &remote_cmd );
+
+ GKI_delay (100);
+
+ remote_cmd.key_state = AVRC_STATE_RELEASE;
+ handle_rc_passthrough_cmd( &remote_cmd );
+ }
+ btif_rc_cb.rc_pending_play = FALSE;
+ }
+}
+
+/* Generic reject response */
+static void send_reject_response (UINT8 rc_handle, UINT8 label, UINT8 pdu, UINT8 status)
+{
+ UINT8 ctype = AVRC_RSP_REJ;
+ tAVRC_RESPONSE avrc_rsp;
+ BT_HDR *p_msg = NULL;
+ memset (&avrc_rsp, 0, sizeof(tAVRC_RESPONSE));
+
+ avrc_rsp.rsp.opcode = opcode_from_pdu(pdu);
+ avrc_rsp.rsp.pdu = pdu;
+ avrc_rsp.rsp.status = status;
+
+ if (AVRC_STS_NO_ERROR == (status = AVRC_BldResponse(rc_handle, &avrc_rsp, &p_msg)) )
+ {
+ BTIF_TRACE_DEBUG("%s:Sending error notification to handle:%d. pdu:%s,status:0x%02x",
+ __FUNCTION__, rc_handle, dump_rc_pdu(pdu), status);
+ BTA_AvMetaRsp(rc_handle, label, ctype, p_msg);
+ }
+}
+
+/***************************************************************************
+ * Function send_metamsg_rsp
+ *
+ * - Argument:
+ * rc_handle RC handle corresponding to the connected RC
+ * label Label of the RC response
+ * code Response type
+ * pmetamsg_resp Vendor response
+ *
+ * - Description: Remote control metamsg response handler (AVRCP 1.3)
+ *
+ ***************************************************************************/
+static void send_metamsg_rsp (UINT8 rc_handle, UINT8 label, tBTA_AV_CODE code,
+ tAVRC_RESPONSE *pmetamsg_resp)
+{
+ UINT8 ctype;
+
+ if (!pmetamsg_resp)
+ {
+ BTIF_TRACE_WARNING("%s: Invalid response received from application", __FUNCTION__);
+ return;
+ }
+
+ BTIF_TRACE_EVENT("+%s: rc_handle: %d, label: %d, code: 0x%02x, pdu: %s", __FUNCTION__,
+ rc_handle, label, code, dump_rc_pdu(pmetamsg_resp->rsp.pdu));
+
+ if (pmetamsg_resp->rsp.status != AVRC_STS_NO_ERROR)
+ {
+ ctype = AVRC_RSP_REJ;
+ }
+ else
+ {
+ if ( code < AVRC_RSP_NOT_IMPL)
+ {
+ if (code == AVRC_CMD_NOTIF)
+ {
+ ctype = AVRC_RSP_INTERIM;
+ }
+ else if (code == AVRC_CMD_STATUS)
+ {
+ ctype = AVRC_RSP_IMPL_STBL;
+ }
+ else
+ {
+ ctype = AVRC_RSP_ACCEPT;
+ }
+ }
+ else
+ {
+ ctype = code;
+ }
+ }
+ /* if response is for register_notification, make sure the rc has
+ actually registered for this */
+ if((pmetamsg_resp->rsp.pdu == AVRC_PDU_REGISTER_NOTIFICATION) && (code == AVRC_RSP_CHANGED))
+ {
+ BOOLEAN bSent = FALSE;
+ UINT8 event_id = pmetamsg_resp->reg_notif.event_id;
+ BOOLEAN bNotify = (btif_rc_cb.rc_connected) && (btif_rc_cb.rc_notif[event_id-1].bNotify);
+
+ /* de-register this notification for a CHANGED response */
+ btif_rc_cb.rc_notif[event_id-1].bNotify = FALSE;
+ BTIF_TRACE_DEBUG("%s rc_handle: %d. event_id: 0x%02d bNotify:%u", __FUNCTION__,
+ btif_rc_cb.rc_handle, event_id, bNotify);
+ if (bNotify)
+ {
+ BT_HDR *p_msg = NULL;
+ tAVRC_STS status;
+
+ if (AVRC_STS_NO_ERROR == (status = AVRC_BldResponse(btif_rc_cb.rc_handle,
+ pmetamsg_resp, &p_msg)) )
+ {
+ BTIF_TRACE_DEBUG("%s Sending notification to rc_handle: %d. event_id: 0x%02d",
+ __FUNCTION__, btif_rc_cb.rc_handle, event_id);
+ bSent = TRUE;
+ BTA_AvMetaRsp(btif_rc_cb.rc_handle, btif_rc_cb.rc_notif[event_id-1].label,
+ ctype, p_msg);
+ }
+ else
+ {
+ BTIF_TRACE_WARNING("%s failed to build metamsg response. status: 0x%02x",
+ __FUNCTION__, status);
+ }
+
+ }
+
+ if (!bSent)
+ {
+ BTIF_TRACE_DEBUG("%s: Notification not sent, as there are no RC connections or the \
+ CT has not subscribed for event_id: %s", __FUNCTION__, dump_rc_notification_event_id(event_id));
+ }
+ }
+ else
+ {
+ /* All other commands go here */
+
+ BT_HDR *p_msg = NULL;
+ tAVRC_STS status;
+
+ status = AVRC_BldResponse(rc_handle, pmetamsg_resp, &p_msg);
+
+ if (status == AVRC_STS_NO_ERROR)
+ {
+ BTA_AvMetaRsp(rc_handle, label, ctype, p_msg);
+ }
+ else
+ {
+ BTIF_TRACE_ERROR("%s: failed to build metamsg response. status: 0x%02x",
+ __FUNCTION__, status);
+ }
+ }
+}
+
+static UINT8 opcode_from_pdu(UINT8 pdu)
+{
+ UINT8 opcode = 0;
+
+ switch (pdu)
+ {
+ case AVRC_PDU_NEXT_GROUP:
+ case AVRC_PDU_PREV_GROUP: /* pass thru */
+ opcode = AVRC_OP_PASS_THRU;
+ break;
+
+ default: /* vendor */
+ opcode = AVRC_OP_VENDOR;
+ break;
+ }
+
+ return opcode;
+}
+
+/*******************************************************************************
+**
+** Function btif_rc_upstreams_evt
+**
+** Description Executes AVRC UPSTREAMS events in btif context.
+**
+** Returns void
+**
+*******************************************************************************/
+static void btif_rc_upstreams_evt(UINT16 event, tAVRC_COMMAND *pavrc_cmd, UINT8 ctype, UINT8 label)
+{
+ BTIF_TRACE_EVENT("%s pdu: %s handle: 0x%x ctype:%x label:%x", __FUNCTION__,
+ dump_rc_pdu(pavrc_cmd->pdu), btif_rc_cb.rc_handle, ctype, label);
+
+ switch (event)
+ {
+ case AVRC_PDU_GET_PLAY_STATUS:
+ {
+ FILL_PDU_QUEUE(IDX_GET_PLAY_STATUS_RSP, ctype, label, TRUE)
+ HAL_CBACK(bt_rc_callbacks, get_play_status_cb);
+ }
+ break;
+ case AVRC_PDU_LIST_PLAYER_APP_ATTR:
+ case AVRC_PDU_LIST_PLAYER_APP_VALUES:
+ case AVRC_PDU_GET_CUR_PLAYER_APP_VALUE:
+ case AVRC_PDU_SET_PLAYER_APP_VALUE:
+ case AVRC_PDU_GET_PLAYER_APP_ATTR_TEXT:
+ case AVRC_PDU_GET_PLAYER_APP_VALUE_TEXT:
+ {
+ /* TODO: Add support for Application Settings */
+ send_reject_response (btif_rc_cb.rc_handle, label, pavrc_cmd->pdu, AVRC_STS_BAD_CMD);
+ }
+ break;
+ case AVRC_PDU_GET_ELEMENT_ATTR:
+ {
+ btrc_media_attr_t element_attrs[BTRC_MAX_ELEM_ATTR_SIZE];
+ UINT8 num_attr;
+ memset(&element_attrs, 0, sizeof(element_attrs));
+ if (pavrc_cmd->get_elem_attrs.num_attr == 0)
+ {
+ /* CT requests for all attributes */
+ int attr_cnt;
+ num_attr = BTRC_MAX_ELEM_ATTR_SIZE;
+ for (attr_cnt = 0; attr_cnt < BTRC_MAX_ELEM_ATTR_SIZE; attr_cnt++)
+ {
+ element_attrs[attr_cnt] = attr_cnt + 1;
+ }
+ }
+ else if (pavrc_cmd->get_elem_attrs.num_attr == 0xFF)
+ {
+ /* 0xff indicates, no attributes requested - reject */
+ send_reject_response (btif_rc_cb.rc_handle, label, pavrc_cmd->pdu,
+ AVRC_STS_BAD_PARAM);
+ return;
+ }
+ else
+ {
+ int attr_cnt, filled_attr_count;
+
+ num_attr = 0;
+ /* Attribute IDs from 1 to AVRC_MAX_NUM_MEDIA_ATTR_ID are only valid,
+ * hence HAL definition limits the attributes to AVRC_MAX_NUM_MEDIA_ATTR_ID.
+ * Fill only valid entries.
+ */
+ for (attr_cnt = 0; (attr_cnt < pavrc_cmd->get_elem_attrs.num_attr) &&
+ (num_attr < AVRC_MAX_NUM_MEDIA_ATTR_ID); attr_cnt++)
+ {
+ if ((pavrc_cmd->get_elem_attrs.attrs[attr_cnt] > 0) &&
+ (pavrc_cmd->get_elem_attrs.attrs[attr_cnt] <= AVRC_MAX_NUM_MEDIA_ATTR_ID))
+ {
+ /* Skip the duplicate entries : PTS sends duplicate entries for Fragment cases
+ */
+ for (filled_attr_count = 0; filled_attr_count < num_attr; filled_attr_count++)
+ {
+ if (element_attrs[filled_attr_count] == pavrc_cmd->get_elem_attrs.attrs[attr_cnt])
+ break;
+ }
+ if (filled_attr_count == num_attr)
+ {
+ element_attrs[num_attr] = pavrc_cmd->get_elem_attrs.attrs[attr_cnt];
+ num_attr++;
+ }
+ }
+ }
+ }
+ FILL_PDU_QUEUE(IDX_GET_ELEMENT_ATTR_RSP, ctype, label, TRUE);
+ HAL_CBACK(bt_rc_callbacks, get_element_attr_cb, num_attr, element_attrs);
+ }
+ break;
+ case AVRC_PDU_REGISTER_NOTIFICATION:
+ {
+ if(pavrc_cmd->reg_notif.event_id == BTRC_EVT_PLAY_POS_CHANGED &&
+ pavrc_cmd->reg_notif.param == 0)
+ {
+ BTIF_TRACE_WARNING("%s Device registering position changed with illegal param 0.",
+ __FUNCTION__);
+ send_reject_response (btif_rc_cb.rc_handle, label, pavrc_cmd->pdu, AVRC_STS_BAD_PARAM);
+ /* de-register this notification for a rejected response */
+ btif_rc_cb.rc_notif[BTRC_EVT_PLAY_POS_CHANGED - 1].bNotify = FALSE;
+ return;
+ }
+ HAL_CBACK(bt_rc_callbacks, register_notification_cb, pavrc_cmd->reg_notif.event_id,
+ pavrc_cmd->reg_notif.param);
+ }
+ break;
+ case AVRC_PDU_INFORM_DISPLAY_CHARSET:
+ {
+ tAVRC_RESPONSE avrc_rsp;
+ BTIF_TRACE_EVENT("%s() AVRC_PDU_INFORM_DISPLAY_CHARSET", __FUNCTION__);
+ if(btif_rc_cb.rc_connected == TRUE)
+ {
+ memset(&(avrc_rsp.inform_charset), 0, sizeof(tAVRC_RSP));
+ avrc_rsp.inform_charset.opcode=opcode_from_pdu(AVRC_PDU_INFORM_DISPLAY_CHARSET);
+ avrc_rsp.inform_charset.pdu=AVRC_PDU_INFORM_DISPLAY_CHARSET;
+ avrc_rsp.inform_charset.status=AVRC_STS_NO_ERROR;
+ send_metamsg_rsp(btif_rc_cb.rc_handle, label, ctype, &avrc_rsp);
+ }
+ }
+ break;
+ default:
+ {
+ send_reject_response (btif_rc_cb.rc_handle, label, pavrc_cmd->pdu,
+ (pavrc_cmd->pdu == AVRC_PDU_SEARCH)?AVRC_STS_SEARCH_NOT_SUP:AVRC_STS_BAD_CMD);
+ return;
+ }
+ break;
+ }
+
+}
+
+
+/*******************************************************************************
+**
+** Function btif_rc_upstreams_rsp_evt
+**
+** Description Executes AVRC UPSTREAMS response events in btif context.
+**
+** Returns void
+**
+*******************************************************************************/
+static void btif_rc_upstreams_rsp_evt(UINT16 event, tAVRC_RESPONSE *pavrc_resp, UINT8 ctype, UINT8 label)
+{
+ BTIF_TRACE_EVENT("%s pdu: %s handle: 0x%x ctype:%x label:%x", __FUNCTION__,
+ dump_rc_pdu(pavrc_resp->pdu), btif_rc_cb.rc_handle, ctype, label);
+
+#if (AVRC_ADV_CTRL_INCLUDED == TRUE)
+ switch (event)
+ {
+ case AVRC_PDU_REGISTER_NOTIFICATION:
+ {
+ if(AVRC_RSP_CHANGED==ctype)
+ btif_rc_cb.rc_volume=pavrc_resp->reg_notif.param.volume;
+ HAL_CBACK(bt_rc_callbacks, volume_change_cb, pavrc_resp->reg_notif.param.volume,ctype)
+ }
+ break;
+
+ case AVRC_PDU_SET_ABSOLUTE_VOLUME:
+ {
+ BTIF_TRACE_DEBUG("Set absolute volume change event received: volume %d,ctype %d",
+ pavrc_resp->volume.volume,ctype);
+ if(AVRC_RSP_ACCEPT==ctype)
+ btif_rc_cb.rc_volume=pavrc_resp->volume.volume;
+ HAL_CBACK(bt_rc_callbacks,volume_change_cb,pavrc_resp->volume.volume,ctype)
+ }
+ break;
+
+ default:
+ return;
+ }
+#endif
+}
+
+/************************************************************************************
+** AVRCP API Functions
+************************************************************************************/
+
+/*******************************************************************************
+**
+** Function init
+**
+** Description Initializes the AVRC interface
+**
+** Returns bt_status_t
+**
+*******************************************************************************/
+static bt_status_t init(btrc_callbacks_t* callbacks )
+{
+ BTIF_TRACE_EVENT("## %s ##", __FUNCTION__);
+ bt_status_t result = BT_STATUS_SUCCESS;
+
+ if (bt_rc_callbacks)
+ return BT_STATUS_DONE;
+
+ bt_rc_callbacks = callbacks;
+ memset (&btif_rc_cb, 0, sizeof(btif_rc_cb));
+ btif_rc_cb.rc_vol_label=MAX_LABEL;
+ btif_rc_cb.rc_volume=MAX_VOLUME;
+ lbl_init();
+
+ return result;
+}
+
+/*******************************************************************************
+**
+** Function init_ctrl
+**
+** Description Initializes the AVRC interface
+**
+** Returns bt_status_t
+**
+*******************************************************************************/
+// static bt_status_t init_ctrl(btrc_ctrl_callbacks_t* callbacks )
+bt_status_t btrc_ctrl_init(btrc_ctrl_callbacks_t *callbacks)
+{
+ BTIF_TRACE_EVENT("## %s ##", __FUNCTION__);
+ bt_status_t result = BT_STATUS_SUCCESS;
+
+ if (bt_rc_ctrl_callbacks)
+ return BT_STATUS_DONE;
+
+ bt_rc_ctrl_callbacks = callbacks;
+ memset (&btif_rc_cb, 0, sizeof(btif_rc_cb));
+ btif_rc_cb.rc_vol_label=MAX_LABEL;
+ btif_rc_cb.rc_volume=MAX_VOLUME;
+ lbl_init();
+
+ return result;
+}
+
+/***************************************************************************
+**
+** Function get_play_status_rsp
+**
+** Description Returns the current play status.
+** This method is called in response to
+** GetPlayStatus request.
+**
+** Returns bt_status_t
+**
+***************************************************************************/
+static bt_status_t get_play_status_rsp(btrc_play_status_t play_status, uint32_t song_len,
+ uint32_t song_pos)
+{
+ tAVRC_RESPONSE avrc_rsp;
+ CHECK_RC_CONNECTED
+ memset(&(avrc_rsp.get_play_status), 0, sizeof(tAVRC_GET_PLAY_STATUS_RSP));
+ avrc_rsp.get_play_status.song_len = song_len;
+ avrc_rsp.get_play_status.song_pos = song_pos;
+ avrc_rsp.get_play_status.play_status = play_status;
+
+ avrc_rsp.get_play_status.pdu = AVRC_PDU_GET_PLAY_STATUS;
+ avrc_rsp.get_play_status.opcode = opcode_from_pdu(AVRC_PDU_GET_PLAY_STATUS);
+ avrc_rsp.get_play_status.status = AVRC_STS_NO_ERROR;
+ /* Send the response */
+ SEND_METAMSG_RSP(IDX_GET_PLAY_STATUS_RSP, &avrc_rsp);
+ return BT_STATUS_SUCCESS;
+}
+
+/***************************************************************************
+**
+** Function get_element_attr_rsp
+**
+** Description Returns the current songs' element attributes
+** in text.
+**
+** Returns bt_status_t
+**
+***************************************************************************/
+static bt_status_t get_element_attr_rsp(uint8_t num_attr, btrc_element_attr_val_t *p_attrs)
+{
+ tAVRC_RESPONSE avrc_rsp;
+ UINT32 i;
+ tAVRC_ATTR_ENTRY element_attrs[BTRC_MAX_ELEM_ATTR_SIZE];
+ CHECK_RC_CONNECTED
+ memset(element_attrs, 0, sizeof(tAVRC_ATTR_ENTRY) * num_attr);
+
+ if (num_attr == 0)
+ {
+ avrc_rsp.get_play_status.status = AVRC_STS_BAD_PARAM;
+ }
+ else
+ {
+ for (i=0; i<num_attr; i++) {
+ element_attrs[i].attr_id = p_attrs[i].attr_id;
+ element_attrs[i].name.charset_id = AVRC_CHARSET_ID_UTF8;
+ element_attrs[i].name.str_len = (UINT16)strlen((char *)p_attrs[i].text);
+ element_attrs[i].name.p_str = p_attrs[i].text;
+ BTIF_TRACE_DEBUG("%s attr_id:0x%x, charset_id:0x%x, str_len:%d, str:%s",
+ __FUNCTION__, (unsigned int)element_attrs[i].attr_id,
+ element_attrs[i].name.charset_id, element_attrs[i].name.str_len,
+ element_attrs[i].name.p_str);
+ }
+ avrc_rsp.get_play_status.status = AVRC_STS_NO_ERROR;
+ }
+ avrc_rsp.get_elem_attrs.num_attr = num_attr;
+ avrc_rsp.get_elem_attrs.p_attrs = element_attrs;
+ avrc_rsp.get_elem_attrs.pdu = AVRC_PDU_GET_ELEMENT_ATTR;
+ avrc_rsp.get_elem_attrs.opcode = opcode_from_pdu(AVRC_PDU_GET_ELEMENT_ATTR);
+ /* Send the response */
+ SEND_METAMSG_RSP(IDX_GET_ELEMENT_ATTR_RSP, &avrc_rsp);
+ return BT_STATUS_SUCCESS;
+}
+
+/***************************************************************************
+**
+** Function register_notification_rsp
+**
+** Description Response to the register notification request.
+** in text.
+**
+** Returns bt_status_t
+**
+***************************************************************************/
+static bt_status_t register_notification_rsp(btrc_event_id_t event_id,
+ btrc_notification_type_t type, btrc_register_notification_t *p_param)
+{
+ tAVRC_RESPONSE avrc_rsp;
+ CHECK_RC_CONNECTED
+ BTIF_TRACE_EVENT("## %s ## event_id:%s", __FUNCTION__, dump_rc_notification_event_id(event_id));
+ if (btif_rc_cb.rc_notif[event_id-1].bNotify == FALSE)
+ {
+ BTIF_TRACE_ERROR("Avrcp Event id not registered: event_id = %x", event_id);
+ return BT_STATUS_NOT_READY;
+ }
+ memset(&(avrc_rsp.reg_notif), 0, sizeof(tAVRC_REG_NOTIF_RSP));
+ avrc_rsp.reg_notif.event_id = event_id;
+
+ switch(event_id)
+ {
+ case BTRC_EVT_PLAY_STATUS_CHANGED:
+ avrc_rsp.reg_notif.param.play_status = p_param->play_status;
+ if (avrc_rsp.reg_notif.param.play_status == PLAY_STATUS_PLAYING)
+ btif_av_clear_remote_suspend_flag();
+ break;
+ case BTRC_EVT_TRACK_CHANGE:
+ memcpy(&(avrc_rsp.reg_notif.param.track), &(p_param->track), sizeof(btrc_uid_t));
+ break;
+ case BTRC_EVT_PLAY_POS_CHANGED:
+ avrc_rsp.reg_notif.param.play_pos = p_param->song_pos;
+ break;
+ default:
+ BTIF_TRACE_WARNING("%s : Unhandled event ID : 0x%x", __FUNCTION__, event_id);
+ return BT_STATUS_UNHANDLED;
+ }
+
+ avrc_rsp.reg_notif.pdu = AVRC_PDU_REGISTER_NOTIFICATION;
+ avrc_rsp.reg_notif.opcode = opcode_from_pdu(AVRC_PDU_REGISTER_NOTIFICATION);
+ avrc_rsp.get_play_status.status = AVRC_STS_NO_ERROR;
+
+ /* Send the response. */
+ send_metamsg_rsp(btif_rc_cb.rc_handle, btif_rc_cb.rc_notif[event_id-1].label,
+ ((type == BTRC_NOTIFICATION_TYPE_INTERIM)?AVRC_CMD_NOTIF:AVRC_RSP_CHANGED), &avrc_rsp);
+ return BT_STATUS_SUCCESS;
+}
+
+/***************************************************************************
+**
+** Function set_volume
+**
+** Description Send current volume setting to remote side.
+** Support limited to SetAbsoluteVolume
+** This can be enhanced to support Relative Volume (AVRCP 1.0).
+** With RelateVolume, we will send VOLUME_UP/VOLUME_DOWN
+** as opposed to absolute volume level
+** volume: Should be in the range 0-127. bit7 is reseved and cannot be set
+**
+** Returns bt_status_t
+**
+***************************************************************************/
+static bt_status_t set_volume(uint8_t volume)
+{
+ BTIF_TRACE_DEBUG("%s", __FUNCTION__);
+ CHECK_RC_CONNECTED
+ tAVRC_STS status = BT_STATUS_UNSUPPORTED;
+ rc_transaction_t *p_transaction=NULL;
+
+ if(btif_rc_cb.rc_volume==volume)
+ {
+ status=BT_STATUS_DONE;
+ BTIF_TRACE_ERROR("%s: volume value already set earlier: 0x%02x",__FUNCTION__, volume);
+ return status;
+ }
+
+ if ((btif_rc_cb.rc_features & BTA_AV_FEAT_RCTG) &&
+ (btif_rc_cb.rc_features & BTA_AV_FEAT_ADV_CTRL))
+ {
+ tAVRC_COMMAND avrc_cmd = {0};
+ BT_HDR *p_msg = NULL;
+
+ BTIF_TRACE_DEBUG("%s: Peer supports absolute volume. newVolume=%d", __FUNCTION__, volume);
+ avrc_cmd.volume.opcode = AVRC_OP_VENDOR;
+ avrc_cmd.volume.pdu = AVRC_PDU_SET_ABSOLUTE_VOLUME;
+ avrc_cmd.volume.status = AVRC_STS_NO_ERROR;
+ avrc_cmd.volume.volume = volume;
+
+ if (AVRC_BldCommand(&avrc_cmd, &p_msg) == AVRC_STS_NO_ERROR)
+ {
+ bt_status_t tran_status=get_transaction(&p_transaction);
+ if(BT_STATUS_SUCCESS == tran_status && NULL!=p_transaction)
+ {
+ BTIF_TRACE_DEBUG("%s msgreq being sent out with label %d",
+ __FUNCTION__,p_transaction->lbl);
+ BTA_AvMetaCmd(btif_rc_cb.rc_handle,p_transaction->lbl, AVRC_CMD_CTRL, p_msg);
+ status = BT_STATUS_SUCCESS;
+ }
+ else
+ {
+ if(NULL!=p_msg)
+ GKI_freebuf(p_msg);
+ BTIF_TRACE_ERROR("%s: failed to obtain transaction details. status: 0x%02x",
+ __FUNCTION__, tran_status);
+ status = BT_STATUS_FAIL;
+ }
+ }
+ else
+ {
+ BTIF_TRACE_ERROR("%s: failed to build absolute volume command. status: 0x%02x",
+ __FUNCTION__, status);
+ status = BT_STATUS_FAIL;
+ }
+ }
+ else
+ status=BT_STATUS_NOT_READY;
+ return status;
+}
+
+
+/***************************************************************************
+**
+** Function register_volumechange
+**
+** Description Register for volume change notification from remote side.
+**
+** Returns void
+**
+***************************************************************************/
+
+static void register_volumechange (UINT8 lbl)
+{
+ tAVRC_COMMAND avrc_cmd = {0};
+ BT_HDR *p_msg = NULL;
+ tAVRC_STS BldResp=AVRC_STS_BAD_CMD;
+ rc_transaction_t *p_transaction=NULL;
+
+ BTIF_TRACE_DEBUG("%s called with label:%d",__FUNCTION__,lbl);
+
+ avrc_cmd.cmd.opcode=0x00;
+ avrc_cmd.pdu = AVRC_PDU_REGISTER_NOTIFICATION;
+ avrc_cmd.reg_notif.event_id = AVRC_EVT_VOLUME_CHANGE;
+ avrc_cmd.reg_notif.status = AVRC_STS_NO_ERROR;
+
+ BldResp=AVRC_BldCommand(&avrc_cmd, &p_msg);
+ if(AVRC_STS_NO_ERROR==BldResp && p_msg)
+ {
+ p_transaction=get_transaction_by_lbl(lbl);
+ if(NULL!=p_transaction)
+ {
+ BTA_AvMetaCmd(btif_rc_cb.rc_handle,p_transaction->lbl, AVRC_CMD_NOTIF, p_msg);
+ BTIF_TRACE_DEBUG("%s:BTA_AvMetaCmd called",__FUNCTION__);
+ }
+ else
+ {
+ if(NULL!=p_msg)
+ GKI_freebuf(p_msg);
+ BTIF_TRACE_ERROR("%s transaction not obtained with label: %d",__FUNCTION__,lbl);
+ }
+ }
+ else
+ BTIF_TRACE_ERROR("%s failed to build command:%d",__FUNCTION__,BldResp);
+}
+
+
+/***************************************************************************
+**
+** Function handle_rc_metamsg_rsp
+**
+** Description Handle RC metamessage response
+**
+** Returns void
+**
+***************************************************************************/
+static void handle_rc_metamsg_rsp(tBTA_AV_META_MSG *pmeta_msg)
+{
+ tAVRC_RESPONSE avrc_response = {0};
+ UINT8 scratch_buf[512] = {0};
+ tAVRC_STS status = BT_STATUS_UNSUPPORTED;
+
+ if(AVRC_OP_VENDOR==pmeta_msg->p_msg->hdr.opcode &&(AVRC_RSP_CHANGED==pmeta_msg->code
+ || AVRC_RSP_INTERIM==pmeta_msg->code || AVRC_RSP_ACCEPT==pmeta_msg->code
+ || AVRC_RSP_REJ==pmeta_msg->code || AVRC_RSP_NOT_IMPL==pmeta_msg->code))
+ {
+ status=AVRC_ParsResponse(pmeta_msg->p_msg, &avrc_response, scratch_buf, sizeof(scratch_buf));
+ BTIF_TRACE_DEBUG("%s: code %d,event ID %d,PDU %x,parsing status %d, label:%d",
+ __FUNCTION__,pmeta_msg->code,avrc_response.reg_notif.event_id,avrc_response.reg_notif.pdu,
+ status, pmeta_msg->label);
+
+ if (status != AVRC_STS_NO_ERROR)
+ {
+ if(AVRC_PDU_REGISTER_NOTIFICATION==avrc_response.rsp.pdu
+ && AVRC_EVT_VOLUME_CHANGE==avrc_response.reg_notif.event_id
+ && btif_rc_cb.rc_vol_label==pmeta_msg->label)
+ {
+ btif_rc_cb.rc_vol_label=MAX_LABEL;
+ release_transaction(btif_rc_cb.rc_vol_label);
+ }
+ else if(AVRC_PDU_SET_ABSOLUTE_VOLUME==avrc_response.rsp.pdu)
+ {
+ release_transaction(pmeta_msg->label);
+ }
+ return;
+ }
+ else if(AVRC_PDU_REGISTER_NOTIFICATION==avrc_response.rsp.pdu
+ && AVRC_EVT_VOLUME_CHANGE==avrc_response.reg_notif.event_id
+ && btif_rc_cb.rc_vol_label!=pmeta_msg->label)
+ {
+ // Just discard the message, if the device sends back with an incorrect label
+ BTIF_TRACE_DEBUG("%s:Discarding register notfn in rsp.code: %d and label %d",
+ __FUNCTION__, pmeta_msg->code, pmeta_msg->label);
+ return;
+ }
+ }
+ else
+ {
+ BTIF_TRACE_DEBUG("%s:Received vendor dependent in adv ctrl rsp. code: %d len: %d. Not processing it.",
+ __FUNCTION__, pmeta_msg->code, pmeta_msg->len);
+ return;
+ }
+
+ if(AVRC_PDU_REGISTER_NOTIFICATION==avrc_response.rsp.pdu
+ && AVRC_EVT_VOLUME_CHANGE==avrc_response.reg_notif.event_id
+ && AVRC_RSP_CHANGED==pmeta_msg->code)
+ {
+ /* re-register for volume change notification */
+ // Do not re-register for rejected case, as it might get into endless loop
+ register_volumechange(btif_rc_cb.rc_vol_label);
+ }
+ else if(AVRC_PDU_SET_ABSOLUTE_VOLUME==avrc_response.rsp.pdu)
+ {
+ /* free up the label here */
+ release_transaction(pmeta_msg->label);
+ }
+
+ BTIF_TRACE_EVENT("%s: Passing received metamsg response to app. pdu: %s",
+ __FUNCTION__, dump_rc_pdu(avrc_response.pdu));
+ btif_rc_upstreams_rsp_evt((uint16_t)avrc_response.rsp.pdu, &avrc_response, pmeta_msg->code,
+ pmeta_msg->label);
+}
+
+
+/***************************************************************************
+**
+** Function cleanup
+**
+** Description Closes the AVRC interface
+**
+** Returns void
+**
+***************************************************************************/
+static void cleanup()
+{
+ BTIF_TRACE_EVENT("## %s ##", __FUNCTION__);
+#if UINPUT_INCLUDED
+ close_uinput();
+#endif /* UINPUT_INCLUDED */
+ if (bt_rc_callbacks)
+ {
+ bt_rc_callbacks = NULL;
+ }
+ memset(&btif_rc_cb, 0, sizeof(btif_rc_cb_t));
+ lbl_destroy();
+ BTIF_TRACE_EVENT("## %s ## completed", __FUNCTION__);
+}
+
+/***************************************************************************
+**
+** Function cleanup_ctrl
+**
+** Description Closes the AVRC Controller interface
+**
+** Returns void
+**
+***************************************************************************/
+void btrc_ctrl_cleanup(void)
+// static void cleanup_ctrl()
+{
+ BTIF_TRACE_EVENT("## %s ##", __FUNCTION__);
+
+ if (bt_rc_ctrl_callbacks)
+ {
+ bt_rc_ctrl_callbacks = NULL;
+ }
+ memset(&btif_rc_cb, 0, sizeof(btif_rc_cb_t));
+ lbl_destroy();
+ BTIF_TRACE_EVENT("## %s ## completed", __FUNCTION__);
+}
+
+bt_status_t btrc_ctrl_send_passthrough_cmd(bt_bdaddr_t *bd_addr, uint8_t key_code, uint8_t key_state)
+// static bt_status_t send_passthrough_cmd(bt_bdaddr_t *bd_addr, uint8_t key_code, uint8_t key_state)
+{
+ tAVRC_STS status = BT_STATUS_UNSUPPORTED;
+#if (AVRC_CTLR_INCLUDED == TRUE)
+ CHECK_RC_CONNECTED
+ rc_transaction_t *p_transaction=NULL;
+ BTIF_TRACE_DEBUG("%s: key-code: %d, key-state: %d", __FUNCTION__,
+ key_code, key_state);
+ if (btif_rc_cb.rc_features & BTA_AV_FEAT_RCTG)
+ {
+ bt_status_t tran_status = get_transaction(&p_transaction);
+ if(BT_STATUS_SUCCESS == tran_status && NULL != p_transaction)
+ {
+ BTA_AvRemoteCmd(btif_rc_cb.rc_handle, p_transaction->lbl,
+ (tBTA_AV_RC)key_code, (tBTA_AV_STATE)key_state);
+ status = BT_STATUS_SUCCESS;
+ BTIF_TRACE_DEBUG("%s: succesfully sent passthrough command to BTA", __FUNCTION__);
+ }
+ else
+ {
+ status = BT_STATUS_FAIL;
+ BTIF_TRACE_DEBUG("%s: error in fetching transaction", __FUNCTION__);
+ }
+ }
+ else
+ {
+ status = BT_STATUS_FAIL;
+ BTIF_TRACE_DEBUG("%s: feature not supported", __FUNCTION__);
+ }
+#else
+ BTIF_TRACE_DEBUG("%s: feature not enabled", __FUNCTION__);
+#endif
+ return status;
+}
+
+static const btrc_interface_t bt_rc_interface = {
+ sizeof(bt_rc_interface),
+ init,
+ get_play_status_rsp,
+ NULL, /* list_player_app_attr_rsp */
+ NULL, /* list_player_app_value_rsp */
+ NULL, /* get_player_app_value_rsp */
+ NULL, /* get_player_app_attr_text_rsp */
+ NULL, /* get_player_app_value_text_rsp */
+ get_element_attr_rsp,
+ NULL, /* set_player_app_value_rsp */
+ register_notification_rsp,
+ set_volume,
+ cleanup,
+};
+
+#if 0
+static const btrc_ctrl_interface_t bt_rc_ctrl_interface = {
+ sizeof(bt_rc_ctrl_interface),
+ init_ctrl,
+ send_passthrough_cmd,
+ cleanup_ctrl,
+};
+#endif
+/*******************************************************************************
+**
+** Function btif_rc_get_interface
+**
+** Description Get the AVRCP Target callback interface
+**
+** Returns btav_interface_t
+**
+*******************************************************************************/
+const btrc_interface_t *btif_rc_get_interface(void)
+{
+ BTIF_TRACE_EVENT("%s", __FUNCTION__);
+ return &bt_rc_interface;
+}
+
+/*******************************************************************************
+**
+** Function btif_rc_ctrl_get_interface
+**
+** Description Get the AVRCP Controller callback interface
+**
+** Returns btav_interface_t
+**
+*******************************************************************************/
+#if 0
+const btrc_ctrl_interface_t *btif_rc_ctrl_get_interface(void)
+{
+ BTIF_TRACE_EVENT("%s", __FUNCTION__);
+ return &bt_rc_ctrl_interface;
+}
+#endif
+/*******************************************************************************
+** Function initialize_transaction
+**
+** Description Initializes fields of the transaction structure
+**
+** Returns void
+*******************************************************************************/
+static void initialize_transaction(int lbl)
+{
+ pthread_mutex_lock(&device.lbllock);
+ if(lbl < MAX_TRANSACTIONS_PER_SESSION)
+ {
+ device.transaction[lbl].lbl = lbl;
+ device.transaction[lbl].in_use=FALSE;
+ device.transaction[lbl].handle=0;
+ }
+ pthread_mutex_unlock(&device.lbllock);
+}
+
+/*******************************************************************************
+** Function lbl_init
+**
+** Description Initializes label structures and mutexes.
+**
+** Returns void
+*******************************************************************************/
+void lbl_init()
+{
+ memset(&device,0,sizeof(rc_device_t));
+ // pthread_mutexattr_t attr;
+ // pthread_mutexattr_init(&attr);
+ // pthread_mutex_init(&(device.lbllock), &attr);
+ // pthread_mutexattr_destroy(&attr);
+ pthread_mutex_init(&(device.lbllock), NULL);
+
+ init_all_transactions();
+}
+
+/*******************************************************************************
+**
+** Function init_all_transactions
+**
+** Description Initializes all transactions
+**
+** Returns void
+*******************************************************************************/
+void init_all_transactions()
+{
+ UINT8 txn_indx=0;
+ for(txn_indx=0; txn_indx < MAX_TRANSACTIONS_PER_SESSION; txn_indx++)
+ {
+ initialize_transaction(txn_indx);
+ }
+}
+
+/*******************************************************************************
+**
+** Function get_transaction_by_lbl
+**
+** Description Will return a transaction based on the label. If not inuse
+** will return an error.
+**
+** Returns bt_status_t
+*******************************************************************************/
+rc_transaction_t *get_transaction_by_lbl(UINT8 lbl)
+{
+ rc_transaction_t *transaction = NULL;
+ pthread_mutex_lock(&device.lbllock);
+
+ /* Determine if this is a valid label */
+ if (lbl < MAX_TRANSACTIONS_PER_SESSION)
+ {
+ if (FALSE==device.transaction[lbl].in_use)
+ {
+ transaction = NULL;
+ }
+ else
+ {
+ transaction = &(device.transaction[lbl]);
+ BTIF_TRACE_DEBUG("%s: Got transaction.label: %d",__FUNCTION__,lbl);
+ }
+ }
+
+ pthread_mutex_unlock(&device.lbllock);
+ return transaction;
+}
+
+/*******************************************************************************
+**
+** Function get_transaction
+**
+** Description Obtains the transaction details.
+**
+** Returns bt_status_t
+*******************************************************************************/
+
+bt_status_t get_transaction(rc_transaction_t **ptransaction)
+{
+ bt_status_t result = BT_STATUS_NOMEM;
+ UINT8 i=0;
+ pthread_mutex_lock(&device.lbllock);
+
+ // Check for unused transactions
+ for (i=0; i<MAX_TRANSACTIONS_PER_SESSION; i++)
+ {
+ if (FALSE==device.transaction[i].in_use)
+ {
+ BTIF_TRACE_DEBUG("%s:Got transaction.label: %d",__FUNCTION__,device.transaction[i].lbl);
+ device.transaction[i].in_use = TRUE;
+ *ptransaction = &(device.transaction[i]);
+ result = BT_STATUS_SUCCESS;
+ break;
+ }
+ }
+
+ pthread_mutex_unlock(&device.lbllock);
+ return result;
+}
+
+
+/*******************************************************************************
+**
+** Function release_transaction
+**
+** Description Will release a transaction for reuse
+**
+** Returns bt_status_t
+*******************************************************************************/
+void release_transaction(UINT8 lbl)
+{
+ rc_transaction_t *transaction = get_transaction_by_lbl(lbl);
+
+ /* If the transaction is in use... */
+ if (transaction != NULL)
+ {
+ BTIF_TRACE_DEBUG("%s: lbl: %d", __FUNCTION__, lbl);
+ initialize_transaction(lbl);
+ }
+}
+
+/*******************************************************************************
+**
+** Function lbl_destroy
+**
+** Description Cleanup of the mutex
+**
+** Returns void
+*******************************************************************************/
+void lbl_destroy()
+{
+ pthread_mutex_destroy(&(device.lbllock));
+}
projects / esp-idf / commitdiff