| /****************************************************************************** |
| * |
| * Copyright (C) 2010-2012 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. |
| * |
| ******************************************************************************/ |
| |
| /****************************************************************************** |
| * |
| * Entry point for NFC_TASK |
| * |
| ******************************************************************************/ |
| #include <string.h> |
| #include "gki.h" |
| #include "nfc_target.h" |
| #include "bt_types.h" |
| |
| #if (NFC_INCLUDED == TRUE) |
| #include "nfc_api.h" |
| #include "nfc_hal_api.h" |
| #include "nfc_int.h" |
| #include "nci_hmsgs.h" |
| #include "rw_int.h" |
| #include "ce_int.h" |
| #if (NFC_RW_ONLY == FALSE) |
| #include "llcp_int.h" |
| #else |
| #define llcp_cleanup() |
| #endif |
| |
| #if (defined (NFA_INCLUDED) && NFA_INCLUDED == TRUE) |
| #include "nfa_sys.h" |
| #include "nfa_dm_int.h" |
| #endif |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_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 nfc_start_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout) |
| { |
| BT_HDR *p_msg; |
| |
| /* if timer list is currently empty, start periodic GKI timer */ |
| if (nfc_cb.timer_queue.p_first == NULL) |
| { |
| /* if timer starts on other than NFC task (scritp wrapper) */ |
| if (GKI_get_taskid () != NFC_TASK) |
| { |
| /* post event to start timer in NFC task */ |
| if ((p_msg = (BT_HDR *) GKI_getbuf (BT_HDR_SIZE)) != NULL) |
| { |
| p_msg->event = BT_EVT_TO_START_TIMER; |
| GKI_send_msg (NFC_TASK, NFC_MBOX_ID, p_msg); |
| } |
| } |
| else |
| { |
| /* Start nfc_task 1-sec resolution timer */ |
| GKI_start_timer (NFC_TIMER_ID, GKI_SECS_TO_TICKS (1), TRUE); |
| } |
| } |
| |
| GKI_remove_from_timer_list (&nfc_cb.timer_queue, p_tle); |
| |
| p_tle->event = type; |
| p_tle->ticks = timeout; /* Save the number of seconds for the timer */ |
| |
| GKI_add_to_timer_list (&nfc_cb.timer_queue, p_tle); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_remaining_time |
| ** |
| ** Description Return amount of time to expire |
| ** |
| ** Returns time in second |
| ** |
| *******************************************************************************/ |
| UINT32 nfc_remaining_time (TIMER_LIST_ENT *p_tle) |
| { |
| return (GKI_get_remaining_ticks (&nfc_cb.timer_queue, p_tle)); |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_process_timer_evt |
| ** |
| ** Description Process nfc GKI timer event |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_process_timer_evt (void) |
| { |
| TIMER_LIST_ENT *p_tle; |
| |
| GKI_update_timer_list (&nfc_cb.timer_queue, 1); |
| |
| while ((nfc_cb.timer_queue.p_first) && (!nfc_cb.timer_queue.p_first->ticks)) |
| { |
| p_tle = nfc_cb.timer_queue.p_first; |
| GKI_remove_from_timer_list (&nfc_cb.timer_queue, p_tle); |
| |
| switch (p_tle->event) |
| { |
| case NFC_TTYPE_NCI_WAIT_RSP: |
| nfc_ncif_cmd_timeout(); |
| break; |
| |
| case NFC_TTYPE_WAIT_2_DEACTIVATE: |
| nfc_wait_2_deactivate_timeout (); |
| break; |
| |
| default: |
| NFC_TRACE_DEBUG2 ("nfc_process_timer_evt: timer:0x%x event (0x%04x)", p_tle, p_tle->event); |
| NFC_TRACE_DEBUG1 ("nfc_process_timer_evt: unhandled timer event (0x%04x)", p_tle->event); |
| } |
| } |
| |
| /* if timer list is empty stop periodic GKI timer */ |
| if (nfc_cb.timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer (NFC_TIMER_ID); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_stop_timer |
| ** |
| ** Description Stop a timer. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_stop_timer (TIMER_LIST_ENT *p_tle) |
| { |
| GKI_remove_from_timer_list (&nfc_cb.timer_queue, p_tle); |
| |
| /* if timer list is empty stop periodic GKI timer */ |
| if (nfc_cb.timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer (NFC_TIMER_ID); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_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 nfc_start_quick_timer (TIMER_LIST_ENT *p_tle, UINT16 type, UINT32 timeout) |
| { |
| BT_HDR *p_msg; |
| |
| /* if timer list is currently empty, start periodic GKI timer */ |
| if (nfc_cb.quick_timer_queue.p_first == NULL) |
| { |
| /* if timer starts on other than NFC task (scritp wrapper) */ |
| if (GKI_get_taskid () != NFC_TASK) |
| { |
| /* post event to start timer in NFC task */ |
| if ((p_msg = (BT_HDR *) GKI_getbuf (BT_HDR_SIZE)) != NULL) |
| { |
| p_msg->event = BT_EVT_TO_START_QUICK_TIMER; |
| GKI_send_msg (NFC_TASK, NFC_MBOX_ID, p_msg); |
| } |
| } |
| else |
| { |
| /* Quick-timer is required for LLCP */ |
| GKI_start_timer (NFC_QUICK_TIMER_ID, ((GKI_SECS_TO_TICKS (1) / QUICK_TIMER_TICKS_PER_SEC)), TRUE); |
| } |
| } |
| |
| GKI_remove_from_timer_list (&nfc_cb.quick_timer_queue, p_tle); |
| |
| p_tle->event = type; |
| p_tle->ticks = timeout; /* Save the number of ticks for the timer */ |
| |
| GKI_add_to_timer_list (&nfc_cb.quick_timer_queue, p_tle); |
| } |
| |
| |
| |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_stop_quick_timer |
| ** |
| ** Description Stop a timer. |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_stop_quick_timer (TIMER_LIST_ENT *p_tle) |
| { |
| GKI_remove_from_timer_list (&nfc_cb.quick_timer_queue, p_tle); |
| |
| /* if timer list is empty stop periodic GKI timer */ |
| if (nfc_cb.quick_timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer (NFC_QUICK_TIMER_ID); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_process_quick_timer_evt |
| ** |
| ** Description Process quick timer event |
| ** |
| ** Returns void |
| ** |
| *******************************************************************************/ |
| void nfc_process_quick_timer_evt (void) |
| { |
| TIMER_LIST_ENT *p_tle; |
| |
| GKI_update_timer_list (&nfc_cb.quick_timer_queue, 1); |
| |
| while ((nfc_cb.quick_timer_queue.p_first) && (!nfc_cb.quick_timer_queue.p_first->ticks)) |
| { |
| p_tle = nfc_cb.quick_timer_queue.p_first; |
| GKI_remove_from_timer_list (&nfc_cb.quick_timer_queue, p_tle); |
| |
| switch (p_tle->event) |
| { |
| #if (NFC_RW_ONLY == FALSE) |
| case NFC_TTYPE_LLCP_LINK_MANAGER: |
| case NFC_TTYPE_LLCP_LINK_INACT: |
| case NFC_TTYPE_LLCP_DATA_LINK: |
| case NFC_TTYPE_LLCP_DELAY_FIRST_PDU: |
| llcp_process_timeout (p_tle); |
| break; |
| #endif |
| case NFC_TTYPE_RW_T1T_RESPONSE: |
| rw_t1t_process_timeout (p_tle); |
| break; |
| case NFC_TTYPE_RW_T2T_RESPONSE: |
| rw_t2t_process_timeout (p_tle); |
| break; |
| case NFC_TTYPE_RW_T3T_RESPONSE: |
| rw_t3t_process_timeout (p_tle); |
| break; |
| case NFC_TTYPE_RW_T4T_RESPONSE: |
| rw_t4t_process_timeout (p_tle); |
| break; |
| case NFC_TTYPE_RW_I93_RESPONSE: |
| rw_i93_process_timeout (p_tle); |
| break; |
| #if (NFC_RW_ONLY == FALSE) |
| case NFC_TTYPE_CE_T4T_UPDATE: |
| ce_t4t_process_timeout (p_tle); |
| break; |
| #endif |
| default: |
| break; |
| } |
| } |
| |
| /* if timer list is empty stop periodic GKI timer */ |
| if (nfc_cb.quick_timer_queue.p_first == NULL) |
| { |
| GKI_stop_timer (NFC_QUICK_TIMER_ID); |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_task_shutdown_nfcc |
| ** |
| ** Description Handle NFC shutdown |
| ** |
| ** Returns nothing |
| ** |
| *******************************************************************************/ |
| void nfc_task_shutdown_nfcc (void) |
| { |
| BT_HDR *p_msg; |
| |
| /* Free any messages still in the mbox */ |
| while ((p_msg = (BT_HDR *) GKI_read_mbox (NFC_MBOX_ID)) != NULL) |
| { |
| GKI_freebuf (p_msg); |
| } |
| |
| nfc_gen_cleanup (); |
| |
| if (nfc_cb.flags & NFC_FL_POWER_OFF_SLEEP) |
| { |
| nfc_set_state (NFC_STATE_W4_HAL_CLOSE); |
| nfc_cb.p_hal->close(); |
| } |
| else if (nfc_cb.flags & NFC_FL_POWER_CYCLE_NFCC) |
| { |
| nfc_set_state (NFC_STATE_W4_HAL_OPEN); |
| nfc_cb.p_hal->power_cycle(); |
| } |
| else |
| { |
| nfc_set_state (NFC_STATE_W4_HAL_CLOSE); |
| nfc_cb.p_hal->close(); |
| |
| /* Perform final clean up */ |
| llcp_cleanup (); |
| |
| /* Stop the timers */ |
| GKI_stop_timer (NFC_TIMER_ID); |
| GKI_stop_timer (NFC_QUICK_TIMER_ID); |
| #if (defined (NFA_INCLUDED) && NFA_INCLUDED == TRUE) |
| GKI_stop_timer (NFA_TIMER_ID); |
| #endif |
| } |
| } |
| |
| /******************************************************************************* |
| ** |
| ** Function nfc_task |
| ** |
| ** Description NFC event processing task |
| ** |
| ** Returns nothing |
| ** |
| *******************************************************************************/ |
| UINT32 nfc_task (UINT32 param) |
| { |
| UINT16 event; |
| BT_HDR *p_msg; |
| BOOLEAN free_buf; |
| |
| /* Initialize the nfc control block */ |
| memset (&nfc_cb, 0, sizeof (tNFC_CB)); |
| nfc_cb.trace_level = NFC_INITIAL_TRACE_LEVEL; |
| |
| NFC_TRACE_DEBUG0 ("NFC_TASK started."); |
| |
| /* main loop */ |
| while (TRUE) |
| { |
| event = GKI_wait (0xFFFF, 0); |
| |
| /* Handle NFC_TASK_EVT_TRANSPORT_READY from NFC HAL */ |
| if (event & NFC_TASK_EVT_TRANSPORT_READY) |
| { |
| NFC_TRACE_DEBUG0 ("NFC_TASK got NFC_TASK_EVT_TRANSPORT_READY."); |
| |
| /* Reset the NFC controller. */ |
| nfc_set_state (NFC_STATE_CORE_INIT); |
| nci_snd_core_reset (NCI_RESET_TYPE_RESET_CFG); |
| } |
| |
| if (event & NFC_MBOX_EVT_MASK) |
| { |
| /* Process all incoming NCI messages */ |
| while ((p_msg = (BT_HDR *) GKI_read_mbox (NFC_MBOX_ID)) != NULL) |
| { |
| free_buf = TRUE; |
| |
| /* Determine the input message type. */ |
| switch (p_msg->event & BT_EVT_MASK) |
| { |
| case BT_EVT_TO_NFC_NCI: |
| free_buf = nfc_ncif_process_event (p_msg); |
| break; |
| |
| case BT_EVT_TO_START_TIMER : |
| /* Start nfc_task 1-sec resolution timer */ |
| GKI_start_timer (NFC_TIMER_ID, GKI_SECS_TO_TICKS (1), TRUE); |
| break; |
| |
| case BT_EVT_TO_START_QUICK_TIMER : |
| /* Quick-timer is required for LLCP */ |
| GKI_start_timer (NFC_QUICK_TIMER_ID, ((GKI_SECS_TO_TICKS (1) / QUICK_TIMER_TICKS_PER_SEC)), TRUE); |
| break; |
| |
| case BT_EVT_TO_NFC_MSGS: |
| nfc_main_handle_hal_evt ((tNFC_HAL_EVT_MSG*)p_msg); |
| break; |
| |
| default: |
| NFC_TRACE_DEBUG1 ("nfc_task: unhandle mbox message, event=%04x", p_msg->event); |
| break; |
| } |
| |
| if (free_buf) |
| { |
| GKI_freebuf (p_msg); |
| } |
| } |
| } |
| |
| /* Process gki timer tick */ |
| if (event & NFC_TIMER_EVT_MASK) |
| { |
| nfc_process_timer_evt (); |
| } |
| |
| /* Process quick timer tick */ |
| if (event & NFC_QUICK_TIMER_EVT_MASK) |
| { |
| nfc_process_quick_timer_evt (); |
| } |
| |
| #if (defined (NFA_INCLUDED) && NFA_INCLUDED == TRUE) |
| if (event & NFA_MBOX_EVT_MASK) |
| { |
| while ((p_msg = (BT_HDR *) GKI_read_mbox (NFA_MBOX_ID)) != NULL) |
| { |
| nfa_sys_event (p_msg); |
| } |
| } |
| |
| if (event & NFA_TIMER_EVT_MASK) |
| { |
| nfa_sys_timer_update (); |
| } |
| #endif |
| |
| } |
| |
| |
| NFC_TRACE_DEBUG0 ("nfc_task terminated"); |
| |
| GKI_exit_task (GKI_get_taskid ()); |
| return 0; |
| } |
| |
| #endif /* NFC_INCLUDED == TRUE */ |