yy1717
2021-02-07 cea2a94fc97e79897cdfd217be8250c075974a1a
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//POSIX.1b Timer
#include <jni.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <sys/time.h>
#include <pthread.h>
#include <errno.h>
#include <time.h>
#include "../jni_log.h"
#include "apptimer.h"
 
#define MAX_TIMER    32
 
static struct {
    timer_t timerId;
 
    void (*func)(union sigval sig);
 
    int value;
    uint8_t *user_data;
} AppTimer[MAX_TIMER];
 
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
 
static int createTimer(timer_t *timerId, void (*func)(union sigval sig),
                       int value,
                       uint8_t *usr_data, int usr_data_length,
                       uint8_t **usr_data_ptr) {
    struct sigevent sev;
    pthread_attr_t attr;
 
    // Register printMsg to SIGALRM
    pthread_attr_init(&attr);
    pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);//detached
 
    memset(&sev, 0, sizeof(sev));
 
    sev.sigev_notify = SIGEV_THREAD;
    sev.sigev_notify_function = func;
    sev.sigev_notify_attributes = &attr;
 
    if (usr_data != NULL && usr_data_length != 0) {
        if ((sev.sigev_value.sival_ptr = malloc(usr_data_length)) != NULL) {
            *usr_data_ptr = (uint8_t *) sev.sigev_value.sival_ptr;
            memcpy(sev.sigev_value.sival_ptr, usr_data, usr_data_length);            //Copy usr data
            sev.sigev_value.sival_int = usr_data_length;
        } else {
            return -1;
        }
    } else {
        sev.sigev_value.sival_int = value;
    }
 
    /* create timer */
    if (timer_create(CLOCK_REALTIME, &sev, timerId) == -1) {
        return -1;
    }
//    LOGD("timer_create\n");
    return 0;
}
 
static int setTimer(timer_t timerId, int timeMSec) {
    struct itimerspec its;
 
    /* Start the timer */
    its.it_value.tv_sec = timeMSec / 1000;
    its.it_value.tv_nsec = (timeMSec % 1000) * 1000000;
 
    its.it_interval.tv_sec = 0;
    its.it_interval.tv_nsec = 0;
 
    if (timer_settime(timerId, 0, &its, NULL) == -1) {
        return -1;
    }
//    LOGD("timer_settime\n");
    return 0;
}
 
void AppTimer_Init(void) {
    memset(AppTimer, 0, sizeof(AppTimer));
    pthread_mutex_init(&mutex, NULL);
}
 
void AppTimer_add(void (*func)(union sigval), int timeMS) {
    int i;
//    LOGD("AppTimer_add\n");
    pthread_mutex_lock(&mutex);
    for (i = 0; i < MAX_TIMER; i++) {
        if (AppTimer[i].func == NULL) {
            if (createTimer(&(AppTimer[i].timerId), func, 0, NULL, 0, &(AppTimer[i].user_data)) == 0) {
                AppTimer[i].func = func;
 
                if (setTimer(AppTimer[i].timerId, timeMS) !=
                    0) {            //Set timer fail, delele it
                    timer_delete(AppTimer[i].timerId);
                    if (AppTimer[i].user_data != NULL) {
                        free(AppTimer[i].user_data);
                        AppTimer[i].user_data = NULL;
                    }
                    AppTimer[i].func = NULL;
                }
            }
            break;
        }
    }
    pthread_mutex_unlock(&mutex);
}
 
void AppTimer_add(void (*func)(union sigval), int timeMS, uint8_t *data, int length) {
    int i;
//    LOGD("AppTimer_add\n");
    pthread_mutex_lock(&mutex);
    for (i = 0; i < MAX_TIMER; i++) {
        if (AppTimer[i].func == NULL) {
            if (createTimer(&(AppTimer[i].timerId), func, 0, data, length, &(AppTimer[i].user_data)) == 0) {
                AppTimer[i].func = func;
 
                if (setTimer(AppTimer[i].timerId, timeMS) !=
                    0) {            //Set timer fail, delele it
                    timer_delete(AppTimer[i].timerId);
                    if (AppTimer[i].user_data != NULL) {
                        free(AppTimer[i].user_data);
                        AppTimer[i].user_data = NULL;
                    }
                    AppTimer[i].func = NULL;
                }
            }
            break;
        }
    }
    pthread_mutex_unlock(&mutex);
}
 
void AppTimer_add(void (*func)(union sigval), int timeMS, int value) {
    int i;
//    LOGD("AppTimer_add\n");
    pthread_mutex_lock(&mutex);
    for (i = 0; i < MAX_TIMER; i++) {
        if (AppTimer[i].func == NULL) {
            if (createTimer(&(AppTimer[i].timerId), func, value, NULL, 0, &(AppTimer[i].user_data)) == 0) {
                AppTimer[i].func = func;
 
                if (setTimer(AppTimer[i].timerId, timeMS) !=
                    0) {            //Set timer fail, delele it
                    timer_delete(AppTimer[i].timerId);
                    if (AppTimer[i].user_data != NULL) {
                        free(AppTimer[i].user_data);
                        AppTimer[i].user_data = NULL;
                    }
                    AppTimer[i].func = NULL;
                }
            }
            break;
        }
    }
    pthread_mutex_unlock(&mutex);
}
 
void AppTimer_delete(void (*func)(union sigval)) {
    int i;
//    LOGD("AppTimer_delete\n");
    pthread_mutex_lock(&mutex);
    for (i = 0; i < MAX_TIMER; i++) {
        if (AppTimer[i].func == func) {
            timer_delete(AppTimer[i].timerId);
            if (AppTimer[i].user_data != NULL) {
                free(AppTimer[i].user_data);
                AppTimer[i].user_data = NULL;
            }
            AppTimer[i].func = NULL;
        }
    }
    pthread_mutex_unlock(&mutex);
}
 
uint32_t AppTimer_GetTickCount(void)
{
    struct timespec ts;
 
    clock_gettime(CLOCK_MONOTONIC, &ts);
 
    return (ts.tv_sec * 1000 + ts.tv_nsec / 1000000);
}