| /****************************************************************************** |
| * |
| * Copyright (C) 1999-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * This file contains the main Bluetooth Upper Layer processing loop. |
| * The Broadcom implementations of L2CAP RFCOMM, SDP and the BTIf run as one |
| * GKI task. This btu_task switches between them. |
| * |
| * Note that there will always be an L2CAP, but there may or may not be an |
| * RFCOMM or SDP. Whether these layers are present or not is determined by |
| * compile switches. |
| * |
| ******************************************************************************/ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdio.h> |
| |
| #include "bt_target.h" |
| #include "gki.h" |
| #include "bt_types.h" |
| #include "hcimsgs.h" |
| #include "l2c_int.h" |
| #include "btu.h" |
| #include "bt_utils.h" |
| |
| #include "sdpint.h" |
| |
| #if ( defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE ) |
| #include "port_api.h" |
| #include "port_ext.h" |
| #endif |
| |
| #include "btm_api.h" |
| #include "btm_int.h" |
| |
| #if (defined(EVAL) && EVAL == TRUE) |
| #include "btu_eval.h" |
| #endif |
| |
| #if GAP_INCLUDED == TRUE |
| #include "gap_int.h" |
| #endif |
| |
| #if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE) |
| #include "obx_int.h" |
| |
| #if (defined(BIP_INCLUDED) && BIP_INCLUDED == TRUE) |
| #include "bip_int.h" |
| #endif /* BIP */ |
| |
| #if (BPP_SND_INCLUDED == TRUE || BPP_INCLUDED == TRUE) |
| #include "bpp_int.h" |
| #endif /* BPP */ |
| |
| #endif /* OBX */ |
| |
| #include "bt_trace.h" |
| |
| /* BTE application task */ |
| #if APPL_INCLUDED == TRUE |
| #include "bte_appl.h" |
| #endif |
| |
| #if (defined(RPC_INCLUDED) && RPC_INCLUDED == TRUE) |
| #include "rpct_main.h" |
| #endif |
| |
| #if (defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE) |
| #include "bnep_int.h" |
| #endif |
| |
| #if (defined(PAN_INCLUDED) && PAN_INCLUDED == TRUE) |
| #include "pan_int.h" |
| #endif |
| |
| #if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE) |
| #include "sap_int.h" |
| #endif |
| |
| #if (defined(HID_DEV_INCLUDED) && HID_DEV_INCLUDED == TRUE ) |
| #include "hidd_int.h" |
| #endif |
| |
| #if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE ) |
| #include "hidh_int.h" |
| #endif |
| |
| #if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE) |
| #include "avdt_int.h" |
| #else |
| extern void avdt_rcv_sync_info (BT_HDR *p_buf); /* this is for hci_test */ |
| #endif |
| |
| #if (defined(MCA_INCLUDED) && MCA_INCLUDED == TRUE) |
| #include "mca_api.h" |
| #include "mca_defs.h" |
| #include "mca_int.h" |
| #endif |
| |
| |
| #if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE) |
| #include "bta_sys.h" |
| #endif |
| |
| #if (BLE_INCLUDED == TRUE) |
| #include "gatt_int.h" |
| #if (SMP_INCLUDED == TRUE) |
| #include "smp_int.h" |
| #endif |
| #include "btm_ble_int.h" |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| BT_API extern void BTE_InitStack(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| /* Define BTU storage area |
| */ |
| #if BTU_DYNAMIC_MEMORY == FALSE |
| tBTU_CB btu_cb; |
| #endif |
| |
| |
| /* Define a function prototype to allow a generic timeout handler */ |
| typedef void (tUSER_TIMEOUT_FUNC) (TIMER_LIST_ENT *p_tle); |
| |
| /******************************************************************************* |
| ** |
| ** Function btu_task |
| ** |
| ** Description This is the main task of the Bluetooth Upper Layers unit. |
| ** It sits in a loop waiting for messages, and dispatches them |
| ** to the appropiate handlers. |
| ** |
| ** Returns should never return |
| ** |
| *******************************************************************************/ |
| BTU_API UINT32 btu_task (UINT32 param) |
| { |
| UINT16 event; |
| BT_HDR *p_msg; |
| UINT8 i; |
| UINT16 mask; |
| BOOLEAN handled; |
| UNUSED(param); |
| |
| #if (defined(HCISU_H4_INCLUDED) && HCISU_H4_INCLUDED == TRUE) |
| /* wait an event that HCISU is ready */ |
| BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_API, |
| "btu_task pending for preload complete event"); |
| |
| for (;;) |
| { |
| event = GKI_wait (0xFFFF, 0); |
| if (event & EVENT_MASK(GKI_SHUTDOWN_EVT)) |
| { |
| /* indicates BT ENABLE abort */ |
| BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_WARNING, |
| "btu_task start abort!"); |
| return (0); |
| } |
| else if (event & BT_EVT_PRELOAD_CMPL) |
| { |
| break; |
| } |
| else |
| { |
| BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_WARNING, |
| "btu_task ignore evt %04x while pending for preload complete", |
| event); |
| } |
| } |
| |
| BT_TRACE(TRACE_LAYER_BTU, TRACE_TYPE_API, |
| "btu_task received preload complete event"); |
| #endif |
| |
| /* Initialize the mandatory core stack control blocks |
| (BTU, BTM, L2CAP, and SDP) |
| */ |
| btu_init_core(); |
| |
| /* Initialize any optional stack components */ |
| BTE_InitStack(); |
| |
| #if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE) |
| bta_sys_init(); |
| #endif |
| |
| /* Initialise platform trace levels at this point as BTE_InitStack() and bta_sys_init() |
| * reset the control blocks and preset the trace level with XXX_INITIAL_TRACE_LEVEL |
| */ |
| #if ( BT_USE_TRACES==TRUE ) |
| BTE_InitTraceLevels(); |
| #endif |
| |
| /* Send a startup evt message to BTIF_TASK to kickstart the init procedure */ |
| GKI_send_event(BTIF_TASK, BT_EVT_TRIGGER_STACK_INIT); |
| |
| raise_priority_a2dp(TASK_HIGH_BTU); |
| |
| /* Wait for, and process, events */ |
| for (;;) |
| { |
| event = GKI_wait (0xFFFF, 0); |
| |
| if (event & TASK_MBOX_0_EVT_MASK) |
| { |
| /* Process all messages in the queue */ |
| while ((p_msg = (BT_HDR *) GKI_read_mbox (BTU_HCI_RCV_MBOX)) != NULL) |
| { |
| /* Determine the input message type. */ |
| switch (p_msg->event & BT_EVT_MASK) |
| { |
| case BT_EVT_TO_BTU_HCI_ACL: |
| /* All Acl Data goes to L2CAP */ |
| l2c_rcv_acl_data (p_msg); |
| break; |
| |
| case BT_EVT_TO_BTU_L2C_SEG_XMIT: |
| /* L2CAP segment transmit complete */ |
| l2c_link_segments_xmitted (p_msg); |
| break; |
| |
| case BT_EVT_TO_BTU_HCI_SCO: |
| #if BTM_SCO_INCLUDED == TRUE |
| btm_route_sco_data (p_msg); |
| break; |
| #endif |
| |
| case BT_EVT_TO_BTU_HCI_EVT: |
| btu_hcif_process_event ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg); |
| GKI_freebuf(p_msg); |
| |
| #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) |
| /* If host receives events which it doesn't response to, */ |
| /* host should start idle timer to enter sleep mode. */ |
| btu_check_bt_sleep (); |
| #endif |
| break; |
| |
| case BT_EVT_TO_BTU_HCI_CMD: |
| btu_hcif_send_cmd ((UINT8)(p_msg->event & BT_SUB_EVT_MASK), p_msg); |
| break; |
| |
| #if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE) |
| #if (defined(OBX_SERVER_INCLUDED) && OBX_SERVER_INCLUDED == TRUE) |
| case BT_EVT_TO_OBX_SR_MSG: |
| obx_sr_proc_evt((tOBX_PORT_EVT *)(p_msg + 1)); |
| GKI_freebuf (p_msg); |
| break; |
| |
| case BT_EVT_TO_OBX_SR_L2C_MSG: |
| obx_sr_proc_l2c_evt((tOBX_L2C_EVT_MSG *)(p_msg + 1)); |
| GKI_freebuf (p_msg); |
| break; |
| #endif |
| |
| #if (defined(OBX_CLIENT_INCLUDED) && OBX_CLIENT_INCLUDED == TRUE) |
| case BT_EVT_TO_OBX_CL_MSG: |
| obx_cl_proc_evt((tOBX_PORT_EVT *)(p_msg + 1)); |
| GKI_freebuf (p_msg); |
| break; |
| |
| case BT_EVT_TO_OBX_CL_L2C_MSG: |
| obx_cl_proc_l2c_evt((tOBX_L2C_EVT_MSG *)(p_msg + 1)); |
| GKI_freebuf (p_msg); |
| break; |
| #endif |
| |
| #if (defined(BIP_INCLUDED) && BIP_INCLUDED == TRUE) |
| case BT_EVT_TO_BIP_CMDS : |
| bip_proc_btu_event(p_msg); |
| GKI_freebuf (p_msg); |
| break; |
| #endif /* BIP */ |
| #if (BPP_SND_INCLUDED == TRUE || BPP_INCLUDED == TRUE) |
| case BT_EVT_TO_BPP_PR_CMDS: |
| bpp_pr_proc_event(p_msg); |
| GKI_freebuf (p_msg); |
| break; |
| case BT_EVT_TO_BPP_SND_CMDS: |
| bpp_snd_proc_event(p_msg); |
| GKI_freebuf (p_msg); |
| break; |
| |
| #endif /* BPP */ |
| |
| #endif /* OBX */ |
| |
| #if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE) |
| case BT_EVT_TO_BTU_SAP : |
| sap_proc_btu_event(p_msg); |
| GKI_freebuf (p_msg); |
| break; |
| #endif /* SAP */ |
| #if (defined(GAP_CONN_INCLUDED) && GAP_CONN_INCLUDED == TRUE && GAP_CONN_POST_EVT_INCLUDED == TRUE) |
| case BT_EVT_TO_GAP_MSG : |
| gap_proc_btu_event(p_msg); |
| GKI_freebuf (p_msg); |
| break; |
| #endif |
| case BT_EVT_TO_START_TIMER : |
| /* Start free running 1 second timer for list management */ |
| GKI_start_timer (TIMER_0, GKI_SECS_TO_TICKS (1), TRUE); |
| GKI_freebuf (p_msg); |
| break; |
| |
| case BT_EVT_TO_STOP_TIMER: |
| if (GKI_timer_queue_is_empty(&btu_cb.timer_queue)) { |
| GKI_stop_timer(TIMER_0); |
| } |
| GKI_freebuf (p_msg); |
| break; |
| |
| case BT_EVT_TO_START_TIMER_ONESHOT: |
| if (!GKI_timer_queue_is_empty(&btu_cb.timer_queue_oneshot)) { |
| TIMER_LIST_ENT *tle = GKI_timer_getfirst(&btu_cb.timer_queue_oneshot); |
| // Start non-repeating timer. |
| GKI_start_timer(TIMER_3, tle->ticks, FALSE); |
| } else { |
| BTM_TRACE_WARNING("Oneshot timer queue empty when received start request"); |
| } |
| GKI_freebuf(p_msg); |
| break; |
| |
| case BT_EVT_TO_STOP_TIMER_ONESHOT: |
| if (GKI_timer_queue_is_empty(&btu_cb.timer_queue_oneshot)) { |
| GKI_stop_timer(TIMER_3); |
| } else { |
| BTM_TRACE_WARNING("Oneshot timer queue not empty when received stop request"); |
| } |
| GKI_freebuf (p_msg); |
| break; |
| |
| #if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) |
| case BT_EVT_TO_START_QUICK_TIMER : |
| GKI_start_timer (TIMER_2, QUICK_TIMER_TICKS, TRUE); |
| GKI_freebuf (p_msg); |
| break; |
| #endif |
| |
| default: |
| i = 0; |
| mask = (UINT16) (p_msg->event & BT_EVT_MASK); |
| handled = FALSE; |
| |
| for (; !handled && i < BTU_MAX_REG_EVENT; i++) |
| { |
| if (btu_cb.event_reg[i].event_cb == NULL) |
| continue; |
| |
| if (mask == btu_cb.event_reg[i].event_range) |
| { |
| if (btu_cb.event_reg[i].event_cb) |
| { |
| btu_cb.event_reg[i].event_cb(p_msg); |
| handled = TRUE; |
| } |
| } |
| } |
| |
| if (handled == FALSE) |
| GKI_freebuf (p_msg); |
| |
| break; |
| } |
| } |
| } |
| |
| |
| if (event & TIMER_0_EVT_MASK) { |
| GKI_update_timer_list (&btu_cb.timer_queue, 1); |
| |
| while (!GKI_timer_queue_is_empty(&btu_cb.timer_queue)) { |
| TIMER_LIST_ENT *p_tle = GKI_timer_getfirst(&btu_cb.timer_queue); |
| if (p_tle->ticks != 0) |
| break; |
| |
| GKI_remove_from_timer_list(&btu_cb.timer_queue, p_tle); |
| |
| switch (p_tle->event) { |
| case BTU_TTYPE_BTM_DEV_CTL: |
| btm_dev_timeout(p_tle); |
| break; |
| |
| case BTU_TTYPE_BTM_ACL: |
| btm_acl_timeout(p_tle); |
| break; |
| |
| case BTU_TTYPE_L2CAP_LINK: |
| case BTU_TTYPE_L2CAP_CHNL: |
| case BTU_TTYPE_L2CAP_HOLD: |
| case BTU_TTYPE_L2CAP_INFO: |
| case BTU_TTYPE_L2CAP_FCR_ACK: |
| #if (BLE_INCLUDED == TRUE) |
| case BTU_TTYPE_L2CAP_END_CONN_UPD: |
| #endif |
| |
| l2c_process_timeout (p_tle); |
| break; |
| |
| case BTU_TTYPE_SDP: |
| sdp_conn_timeout ((tCONN_CB *)p_tle->param); |
| break; |
| |
| case BTU_TTYPE_BTM_RMT_NAME: |
| btm_inq_rmt_name_failed(); |
| break; |
| |
| #if (defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE) |
| case BTU_TTYPE_RFCOMM_MFC: |
| case BTU_TTYPE_RFCOMM_PORT: |
| rfcomm_process_timeout (p_tle); |
| break; |
| |
| #endif /* If defined(RFCOMM_INCLUDED) && RFCOMM_INCLUDED == TRUE */ |
| |
| #if ((defined(BNEP_INCLUDED) && BNEP_INCLUDED == TRUE)) |
| case BTU_TTYPE_BNEP: |
| bnep_process_timeout(p_tle); |
| break; |
| #endif |
| |
| |
| #if (defined(AVDT_INCLUDED) && AVDT_INCLUDED == TRUE) |
| case BTU_TTYPE_AVDT_CCB_RET: |
| case BTU_TTYPE_AVDT_CCB_RSP: |
| case BTU_TTYPE_AVDT_CCB_IDLE: |
| case BTU_TTYPE_AVDT_SCB_TC: |
| avdt_process_timeout(p_tle); |
| break; |
| #endif |
| |
| #if (defined(OBX_INCLUDED) && OBX_INCLUDED == TRUE) |
| #if (defined(OBX_CLIENT_INCLUDED) && OBX_CLIENT_INCLUDED == TRUE) |
| case BTU_TTYPE_OBX_CLIENT_TO: |
| obx_cl_timeout(p_tle); |
| break; |
| #endif |
| #if (defined(OBX_SERVER_INCLUDED) && OBX_SERVER_INCLUDED == TRUE) |
| case BTU_TTYPE_OBX_SERVER_TO: |
| obx_sr_timeout(p_tle); |
| break; |
| |
| case BTU_TTYPE_OBX_SVR_SESS_TO: |
| obx_sr_sess_timeout(p_tle); |
| break; |
| #endif |
| #endif |
| |
| #if (defined(SAP_SERVER_INCLUDED) && SAP_SERVER_INCLUDED == TRUE) |
| case BTU_TTYPE_SAP_TO: |
| sap_process_timeout(p_tle); |
| break; |
| #endif |
| |
| case BTU_TTYPE_BTU_CMD_CMPL: |
| btu_hcif_cmd_timeout((UINT8)(p_tle->event - BTU_TTYPE_BTU_CMD_CMPL)); |
| break; |
| |
| #if (defined(HID_HOST_INCLUDED) && HID_HOST_INCLUDED == TRUE) |
| case BTU_TTYPE_HID_HOST_REPAGE_TO : |
| hidh_proc_repage_timeout(p_tle); |
| break; |
| #endif |
| |
| #if (defined(BLE_INCLUDED) && BLE_INCLUDED == TRUE) |
| case BTU_TTYPE_BLE_INQUIRY: |
| case BTU_TTYPE_BLE_GAP_LIM_DISC: |
| case BTU_TTYPE_BLE_GAP_FAST_ADV: |
| case BTU_TTYPE_BLE_OBSERVE: |
| btm_ble_timeout(p_tle); |
| break; |
| |
| case BTU_TTYPE_ATT_WAIT_FOR_RSP: |
| gatt_rsp_timeout(p_tle); |
| break; |
| |
| case BTU_TTYPE_ATT_WAIT_FOR_IND_ACK: |
| gatt_ind_ack_timeout(p_tle); |
| break; |
| #if (defined(SMP_INCLUDED) && SMP_INCLUDED == TRUE) |
| case BTU_TTYPE_SMP_PAIRING_CMD: |
| smp_rsp_timeout(p_tle); |
| break; |
| #endif |
| |
| #endif |
| |
| #if (MCA_INCLUDED == TRUE) |
| case BTU_TTYPE_MCA_CCB_RSP: |
| mca_process_timeout(p_tle); |
| break; |
| #endif |
| case BTU_TTYPE_USER_FUNC: |
| { |
| tUSER_TIMEOUT_FUNC *p_uf = (tUSER_TIMEOUT_FUNC *)p_tle->param; |
| (*p_uf)(p_tle); |
| } |
| break; |
| |
| default: |
| i = 0; |
| handled = FALSE; |
| |
| for (; !handled && i < BTU_MAX_REG_TIMER; i++) |
| { |
| if (btu_cb.timer_reg[i].timer_cb == NULL) |
| continue; |
| if (btu_cb.timer_reg[i].p_tle == p_tle) |
| { |
| btu_cb.timer_reg[i].timer_cb(p_tle); |
| handled = TRUE; |
| } |
| } |
| break; |
| } |
| } |
| |
| /* if timer list is empty stop periodic GKI timer */ |
| if (btu_cb.timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer(TIMER_0); |
| } |
| } |
| |
| #if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) |
| if (event & TIMER_2_EVT_MASK) |
| { |
| btu_process_quick_timer_evt(); |
| } |
| #endif |
| |
| |
| #if (RPC_INCLUDED == TRUE) |
| /* if RPC message queue event */ |
| if (event & RPCGEN_MSG_EVT) |
| { |
| if ((p_msg = (BT_HDR *) GKI_read_mbox(RPCGEN_MSG_MBOX)) != NULL) |
| RPCT_RpcgenMsg(p_msg); /* handle RPC message queue */ |
| } |
| #endif |
| |
| #if (defined(BTU_BTA_INCLUDED) && BTU_BTA_INCLUDED == TRUE) |
| if (event & TASK_MBOX_2_EVT_MASK) |
| { |
| while ((p_msg = (BT_HDR *) GKI_read_mbox(TASK_MBOX_2)) != NULL) |
| { |
| bta_sys_event(p_msg); |
| } |
| } |
| |
| if (event & TIMER_1_EVT_MASK) |
| { |
| bta_sys_timer_update(); |
| } |
| #endif |
| |
| if (event & TIMER_3_EVT_MASK) { |
| BTM_TRACE_API("Received oneshot timer event complete"); |
| if (!GKI_timer_queue_is_empty(&btu_cb.timer_queue_oneshot)) { |
| TIMER_LIST_ENT *p_tle = GKI_timer_getfirst(&btu_cb.timer_queue_oneshot); |
| INT32 ticks_since_last_update = GKI_timer_ticks_getinitial(GKI_timer_getfirst(&btu_cb.timer_queue_oneshot)); |
| GKI_update_timer_list(&btu_cb.timer_queue_oneshot, ticks_since_last_update); |
| } |
| |
| while (!GKI_timer_queue_is_empty(&btu_cb.timer_queue_oneshot)) { |
| TIMER_LIST_ENT *p_tle = GKI_timer_getfirst(&btu_cb.timer_queue_oneshot); |
| if (p_tle->ticks != 0) |
| break; |
| |
| GKI_remove_from_timer_list(&btu_cb.timer_queue_oneshot, p_tle); |
| |
| switch (p_tle->event) { |
| case BTU_TTYPE_BLE_RANDOM_ADDR: |
| btm_ble_timeout(p_tle); |
| break; |
| |
| default: |
| // FAIL |
| BTM_TRACE_WARNING("Received unexpected oneshot timer event:0x%x\n", |
| p_tle->event); |
| break; |
| } |
| } |
| |
| /* Update GKI timer with new tick value from first timer. */ |
| if (!GKI_timer_queue_is_empty(&btu_cb.timer_queue_oneshot)) { |
| TIMER_LIST_ENT *p_tle = GKI_timer_getfirst(&btu_cb.timer_queue_oneshot); |
| if (p_tle->ticks > 0) |
| GKI_start_timer(TIMER_3, p_tle->ticks, FALSE); |
| } else { |
| GKI_stop_timer(TIMER_3); |
| } |
| } |
| |
| if (event & EVENT_MASK(APPL_EVT_7)) |
| break; |
| } |
| |
| return(0); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btu_start_timer |
| ** |
| ** Description Start a timer for the specified amount of time. |
| ** NOTE: The timeout resolution is in SECONDS! (Even |
| ** though the timer structure field is ticks) |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btu_start_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout) |
| { |
| BT_HDR *p_msg; |
| GKI_disable(); |
| /* if timer list is currently empty, start periodic GKI timer */ |
| if (btu_cb.timer_queue.p_first == NULL) |
| { |
| /* if timer starts on other than BTU task */ |
| if (GKI_get_taskid() != BTU_TASK) |
| { |
| /* post event to start timer in BTU task */ |
| if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL) |
| { |
| p_msg->event = BT_EVT_TO_START_TIMER; |
| GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); |
| } |
| } |
| else |
| { |
| /* Start free running 1 second timer for list management */ |
| GKI_start_timer (TIMER_0, GKI_SECS_TO_TICKS (1), TRUE); |
| } |
| } |
| |
| GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle); |
| |
| p_tle->event = type; |
| p_tle->ticks = timeout; |
| p_tle->ticks_initial = timeout; |
| |
| GKI_add_to_timer_list (&btu_cb.timer_queue, p_tle); |
| GKI_enable(); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btu_remaining_time |
| ** |
| ** Description Return amount of time to expire |
| ** |
| ** Returns time in second |
| ** |
| *******************************************************************************/ |
| UINT32 btu_remaining_time (TIMER_LIST_ENT *p_tle) |
| { |
| return(GKI_get_remaining_ticks (&btu_cb.timer_queue, p_tle)); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btu_stop_timer |
| ** |
| ** Description Stop a timer. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btu_stop_timer (TIMER_LIST_ENT *p_tle) |
| { |
| BT_HDR *p_msg; |
| GKI_disable(); |
| GKI_remove_from_timer_list (&btu_cb.timer_queue, p_tle); |
| |
| /* if timer is stopped on other than BTU task */ |
| if (GKI_get_taskid() != BTU_TASK) |
| { |
| /* post event to stop timer in BTU task */ |
| if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL) |
| { |
| p_msg->event = BT_EVT_TO_STOP_TIMER; |
| GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); |
| } |
| } |
| else |
| { |
| /* if timer list is empty stop periodic GKI timer */ |
| if (btu_cb.timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer(TIMER_0); |
| } |
| } |
| GKI_enable(); |
| } |
| |
| #if defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) |
| /******************************************************************************* |
| ** |
| ** Function btu_start_quick_timer |
| ** |
| ** Description Start a timer for the specified amount of time. |
| ** NOTE: The timeout resolution depends on including modules. |
| ** QUICK_TIMER_TICKS_PER_SEC should be used to convert from |
| ** time to ticks. |
| ** |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btu_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout) |
| { |
| BT_HDR *p_msg; |
| |
| GKI_disable(); |
| /* if timer list is currently empty, start periodic GKI timer */ |
| if (btu_cb.quick_timer_queue.p_first == NULL) |
| { |
| /* script test calls stack API without posting event */ |
| if (GKI_get_taskid() != BTU_TASK) |
| { |
| /* post event to start timer in BTU task */ |
| if ((p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE)) != NULL) |
| { |
| p_msg->event = BT_EVT_TO_START_QUICK_TIMER; |
| GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); |
| } |
| } |
| else |
| GKI_start_timer(TIMER_2, QUICK_TIMER_TICKS, TRUE); |
| } |
| |
| GKI_remove_from_timer_list (&btu_cb.quick_timer_queue, p_tle); |
| |
| p_tle->event = type; |
| p_tle->ticks = timeout; |
| p_tle->ticks_initial = timeout; |
| |
| GKI_add_to_timer_list (&btu_cb.quick_timer_queue, p_tle); |
| GKI_enable(); |
| } |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function btu_stop_quick_timer |
| ** |
| ** Description Stop a timer. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btu_stop_quick_timer (TIMER_LIST_ENT *p_tle) |
| { |
| GKI_disable(); |
| GKI_remove_from_timer_list (&btu_cb.quick_timer_queue, p_tle); |
| |
| /* if timer list is empty stop periodic GKI timer */ |
| if (btu_cb.quick_timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer(TIMER_2); |
| } |
| GKI_enable(); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function btu_process_quick_timer_evt |
| ** |
| ** Description Process quick timer event |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btu_process_quick_timer_evt(void) |
| { |
| process_quick_timer_evt(&btu_cb.quick_timer_queue); |
| |
| /* if timer list is empty stop periodic GKI timer */ |
| if (btu_cb.quick_timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer(TIMER_2); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function process_quick_timer_evt |
| ** |
| ** Description Process quick timer event |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void process_quick_timer_evt(TIMER_LIST_Q *p_tlq) |
| { |
| TIMER_LIST_ENT *p_tle; |
| |
| GKI_update_timer_list (p_tlq, 1); |
| |
| while ((p_tlq->p_first) && (!p_tlq->p_first->ticks)) |
| { |
| p_tle = p_tlq->p_first; |
| GKI_remove_from_timer_list (p_tlq, p_tle); |
| |
| switch (p_tle->event) |
| { |
| case BTU_TTYPE_L2CAP_CHNL: /* monitor or retransmission timer */ |
| case BTU_TTYPE_L2CAP_FCR_ACK: /* ack timer */ |
| l2c_process_timeout (p_tle); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| } |
| #endif /* defined(QUICK_TIMER_TICKS_PER_SEC) && (QUICK_TIMER_TICKS_PER_SEC > 0) */ |
| |
| /* |
| * Starts a oneshot timer with a timeout in seconds. |
| */ |
| void btu_start_timer_oneshot(TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout_in_secs) { |
| INT32 timeout_in_ticks = GKI_SECS_TO_TICKS(timeout_in_secs); |
| BTM_TRACE_DEBUG("Starting oneshot timer type:%d timeout:%ds", type, timeout_in_secs); |
| GKI_disable(); |
| if (GKI_timer_queue_is_empty(&btu_cb.timer_queue_oneshot)) { |
| /* RPC to BTU thread if timer start request from non-BTU task */ |
| if (GKI_get_taskid() != BTU_TASK) { |
| /* post event to start timer in BTU task */ |
| BTM_TRACE_WARNING("Posting oneshot timer event to btu_task"); |
| BT_HDR *p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE); |
| if (p_msg != NULL) { |
| p_msg->event = BT_EVT_TO_START_TIMER_ONESHOT; |
| GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); |
| } |
| } else { |
| GKI_start_timer(TIMER_3, timeout_in_ticks, FALSE); |
| } |
| } |
| |
| GKI_remove_from_timer_list(&btu_cb.timer_queue_oneshot, p_tle); |
| |
| p_tle->event = type; |
| p_tle->ticks = timeout_in_ticks; |
| p_tle->ticks_initial = timeout_in_ticks; |
| |
| GKI_add_to_timer_list(&btu_cb.timer_queue_oneshot, p_tle); |
| GKI_enable(); |
| } |
| |
| void btu_stop_timer_oneshot(TIMER_LIST_ENT *p_tle) { |
| GKI_disable(); |
| GKI_remove_from_timer_list(&btu_cb.timer_queue_oneshot, p_tle); |
| |
| if (GKI_get_taskid() != BTU_TASK) { |
| /* post event to stop timer in BTU task */ |
| BT_HDR *p_msg = (BT_HDR *)GKI_getbuf(BT_HDR_SIZE); |
| if (p_msg != NULL) { |
| p_msg->event = BT_EVT_TO_STOP_TIMER_ONESHOT; |
| GKI_send_msg (BTU_TASK, TASK_MBOX_0, p_msg); |
| } |
| } else { |
| if (GKI_timer_queue_is_empty(&btu_cb.timer_queue_oneshot)) { |
| BTM_TRACE_WARNING("Stopping oneshot timer"); |
| GKI_stop_timer(TIMER_3); |
| } else { |
| BTM_TRACE_WARNING("Request to stop oneshot timer with non empty queue"); |
| } |
| } |
| GKI_enable(); |
| } |
| |
| #if (defined(HCILP_INCLUDED) && HCILP_INCLUDED == TRUE) |
| /******************************************************************************* |
| ** |
| ** Function btu_check_bt_sleep |
| ** |
| ** Description This function is called to check if controller can go to sleep. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void btu_check_bt_sleep (void) |
| { |
| if ((btu_cb.hci_cmd_cb[LOCAL_BR_EDR_CONTROLLER_ID].cmd_cmpl_q.count == 0) |
| &&(btu_cb.hci_cmd_cb[LOCAL_BR_EDR_CONTROLLER_ID].cmd_xmit_q.count == 0)) |
| { |
| if (l2cb.controller_xmit_window == l2cb.num_lm_acl_bufs) |
| { |
| /* enable dev to sleep in the cmd cplt and cmd status only and num cplt packet */ |
| HCI_LP_ALLOW_BT_DEVICE_SLEEP(); |
| } |
| } |
| } |
| #endif |