1. remove GKI(not use osi_free_and_reset) 2. modify mutex/semaphore to individual directory 3. set osi_malloc as malloc(previously use calloc) 4. change osi allocator debug osi_free 5. fix rebase of remove GKI
324 lines
7.9 KiB
C
324 lines
7.9 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2014 Google, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include "bt_defs.h"
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#include "bt_trace.h"
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#include "alarm.h"
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#include "allocator.h"
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#include "list.h"
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#include "thread.h"
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#include "freertos/FreeRTOSConfig.h"
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#include "freertos/xtensa_api.h"
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#include "rom/ets_sys.h"
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#include "btc_task.h"
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#include "btc_alarm.h"
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#include "mutex.h"
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#include "time.h"
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#define RTC_TIMER_TICKS_TO_MS(ticks) (((ticks/625)<<1) + (ticks-(ticks/625)*625)/312)
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#define BT_ALARM_START_WAIT_TICKS 100
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#define BT_ALARM_STOP_WAIT_TICKS 100
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#define BT_ALARM_FREE_WAIT_TICKS 100
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#define BT_ALARM_CHG_PERIOD_WAIT_TICKS 100
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enum {
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ALARM_STATE_IDLE,
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ALARM_STATE_OPEN,
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};
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static osi_mutex_t alarm_mutex;
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static int alarm_state;
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static struct alarm_t alarm_cbs[ALARM_CBS_NUM];
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static int alarm_free(osi_alarm_t *alarm);
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int osi_alarm_create_mux(void)
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{
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if (alarm_state != ALARM_STATE_IDLE) {
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LOG_WARN("%s, invalid state %d\n", __func__, alarm_state);
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return -1;
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}
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osi_mutex_new(&alarm_mutex);
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return 0;
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}
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int osi_alarm_delete_mux(void)
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{
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if (alarm_state != ALARM_STATE_IDLE) {
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LOG_WARN("%s, invalid state %d\n", __func__, alarm_state);
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return -1;
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}
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osi_mutex_free(&alarm_mutex);
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return 0;
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}
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void osi_alarm_init(void)
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{
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assert(alarm_mutex != NULL);
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osi_mutex_lock(&alarm_mutex, OSI_MUTEX_MAX_TIMEOUT);
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if (alarm_state != ALARM_STATE_IDLE) {
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LOG_WARN("%s, invalid state %d\n", __func__, alarm_state);
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goto end;
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}
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memset(alarm_cbs, 0x00, sizeof(alarm_cbs));
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alarm_state = ALARM_STATE_OPEN;
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end:
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osi_mutex_unlock(&alarm_mutex);
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}
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void osi_alarm_deinit(void)
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{
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assert(alarm_mutex != NULL);
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osi_mutex_lock(&alarm_mutex, OSI_MUTEX_MAX_TIMEOUT);
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if (alarm_state != ALARM_STATE_OPEN) {
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LOG_WARN("%s, invalid state %d\n", __func__, alarm_state);
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goto end;
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}
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for (int i = 0; i < ALARM_CBS_NUM; i++) {
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if (alarm_cbs[i].alarm_hdl != NULL) {
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alarm_free(&alarm_cbs[i]);
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}
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}
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alarm_state = ALARM_STATE_IDLE;
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end:
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osi_mutex_unlock(&alarm_mutex);
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}
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static struct alarm_t *alarm_cbs_lookfor_available(void)
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{
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int i;
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for (i = 0; i < ALARM_CBS_NUM; i++) {
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if (alarm_cbs[i].alarm_hdl == NULL) { //available
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LOG_DEBUG("%s %d %p\n", __func__, i, &alarm_cbs[i]);
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return &alarm_cbs[i];
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}
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}
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return NULL;
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}
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static void alarm_cb_handler(TimerHandle_t xTimer)
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{
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struct alarm_t *alarm;
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if (!xTimer) {
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LOG_ERROR("TimerName: NULL\n");
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return;
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}
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alarm = pvTimerGetTimerID(xTimer);
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LOG_DEBUG("TimerID %p, Name %s\n", alarm, pcTimerGetTimerName(xTimer));
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btc_msg_t msg;
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btc_alarm_args_t arg;
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msg.sig = BTC_SIG_API_CALL;
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msg.pid = BTC_PID_ALARM;
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arg.cb = alarm->cb;
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arg.cb_data = alarm->cb_data;
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btc_transfer_context(&msg, &arg, sizeof(btc_alarm_args_t), NULL);
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}
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osi_alarm_t *osi_alarm_new(char *alarm_name, osi_alarm_callback_t callback, void *data, period_ms_t timer_expire)
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{
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assert(alarm_mutex != NULL);
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struct alarm_t *timer_id = NULL;
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osi_mutex_lock(&alarm_mutex, OSI_MUTEX_MAX_TIMEOUT);
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if (alarm_state != ALARM_STATE_OPEN) {
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LOG_ERROR("%s, invalid state %d\n", __func__, alarm_state);
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timer_id = NULL;
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goto end;
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}
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timer_id = alarm_cbs_lookfor_available();
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if (!timer_id) {
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LOG_ERROR("%s alarm_cbs exhausted\n", __func__);
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timer_id = NULL;
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goto end;
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}
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if (timer_expire == 0) {
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timer_expire = 1000;
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}
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TimerHandle_t t = xTimerCreate(alarm_name, timer_expire / portTICK_PERIOD_MS, pdFALSE, timer_id, alarm_cb_handler);
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if (!t) {
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LOG_ERROR("%s failed to create timer\n", __func__);
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timer_id = NULL;
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goto end;
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}
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timer_id->alarm_hdl = t;
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timer_id->cb = callback;
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timer_id->cb_data = data;
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end:
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osi_mutex_unlock(&alarm_mutex);
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return timer_id;
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}
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static int alarm_free(osi_alarm_t *alarm)
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{
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if (!alarm || alarm->alarm_hdl == NULL) {
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LOG_ERROR("%s null\n", __func__);
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return -1;
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}
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if (xTimerDelete(alarm->alarm_hdl, BT_ALARM_FREE_WAIT_TICKS) != pdPASS) {
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LOG_ERROR("%s alarm delete error\n", __func__);
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return -2;
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}
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memset(alarm, 0, sizeof(osi_alarm_t));
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return 0;
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}
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int osi_alarm_free(osi_alarm_t *alarm)
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{
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assert(alarm_mutex != NULL);
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int ret = 0;
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osi_mutex_lock(&alarm_mutex, OSI_MUTEX_MAX_TIMEOUT);
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if (alarm_state != ALARM_STATE_OPEN) {
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LOG_ERROR("%s, invalid state %d\n", __func__, alarm_state);
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ret = -3;
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goto end;
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}
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alarm_free(alarm);
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end:
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osi_mutex_unlock(&alarm_mutex);
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return ret;
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}
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int osi_alarm_set(osi_alarm_t *alarm, period_ms_t timeout)
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{
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assert(alarm_mutex != NULL);
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int ret = 0;
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osi_mutex_lock(&alarm_mutex, OSI_MUTEX_MAX_TIMEOUT);
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if (alarm_state != ALARM_STATE_OPEN) {
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LOG_ERROR("%s, invalid state %d\n", __func__, alarm_state);
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ret = -3;
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goto end;
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}
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if (!alarm || alarm->alarm_hdl == NULL) {
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LOG_ERROR("%s null\n", __func__);
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ret = -1;
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goto end;
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}
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if (xTimerChangePeriod(alarm->alarm_hdl, timeout / portTICK_PERIOD_MS, BT_ALARM_CHG_PERIOD_WAIT_TICKS) != pdPASS) {
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LOG_ERROR("%s chg period error\n", __func__);
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ret = -2;
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goto end;
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}
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if (xTimerStart(alarm->alarm_hdl, BT_ALARM_START_WAIT_TICKS) != pdPASS) {
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LOG_ERROR("%s start error\n", __func__);
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ret = -2;
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goto end;
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}
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end:
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osi_mutex_unlock(&alarm_mutex);
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return ret;
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}
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int osi_alarm_cancel(osi_alarm_t *alarm)
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{
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int ret = 0;
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osi_mutex_lock(&alarm_mutex, OSI_MUTEX_MAX_TIMEOUT);
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if (alarm_state != ALARM_STATE_OPEN) {
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LOG_ERROR("%s, invalid state %d\n", __func__, alarm_state);
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ret = -3;
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goto end;
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}
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if (!alarm || alarm->alarm_hdl == NULL) {
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LOG_ERROR("%s null\n", __func__);
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ret = -1;
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goto end;
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}
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if (xTimerStop(alarm->alarm_hdl, BT_ALARM_STOP_WAIT_TICKS) != pdPASS) {
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LOG_ERROR("%s failed to stop timer\n", __func__);
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ret = -2;
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goto end;
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}
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end:
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osi_mutex_unlock(&alarm_mutex);
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return ret;
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}
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static uint32_t alarm_current_tick(void)
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{
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return xTaskGetTickCount();
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}
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// todo: this is not accurate
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// max return value: 0xffffffff / 312 = 13765920 = 0xD20D20
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period_ms_t osi_alarm_now(void)
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{
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return RTC_TIMER_TICKS_TO_MS((alarm_current_tick()));
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}
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period_ms_t osi_alarm_get_remaining_ms(const osi_alarm_t *alarm)
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{
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/* TODO: use FreeRTOS timer.c implement ??? */
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return 0xffffffff;
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}
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// pre-condition: 0 <= t1, t2 <= 0xD20D20
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// return value: 0<= ret <=0XD20D20
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period_ms_t osi_alarm_time_diff(period_ms_t t1, period_ms_t t2)
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{
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#define MAX_ALARM_TIME_MS (0xD20D20)
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int32_t diff = (int32_t)(t1) - (int32_t)(t2);
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if (diff < 0) {
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diff += MAX_ALARM_TIME_MS;
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}
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return (period_ms_t)diff;
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}
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uint32_t osi_time_get_os_boottime_ms(void)
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{
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return RTC_TIMER_TICKS_TO_MS((alarm_current_tick()));
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}
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void osi_delay_ms(uint32_t ms)
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{
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vTaskDelay(ms / portTICK_PERIOD_MS);
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}
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