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C++ rt_mutex_take函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中rt_mutex_take函数的典型用法代码示例。如果您正苦于以下问题:C++ rt_mutex_take函数的具体用法?C++ rt_mutex_take怎么用?C++ rt_mutex_take使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了rt_mutex_take函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: dfs_jffs2_close

static int dfs_jffs2_close(struct dfs_fd* file)
{
	int result;
	cyg_file * jffs2_file;
	
	RT_ASSERT(file->data != NULL);
	jffs2_file = (cyg_file *)(file->data);
	
	if (file->flags & DFS_O_DIRECTORY) /* operations about dir */
	{
		rt_mutex_take(&jffs2_lock, RT_WAITING_FOREVER);
		result = jffs2_dir_colse(jffs2_file);
		rt_mutex_release(&jffs2_lock);
		if (result)
			return jffs2_result_to_dfs(result);	

		rt_free(jffs2_file);
		return 0;
	}
	/* regular file operations */
	rt_mutex_take(&jffs2_lock, RT_WAITING_FOREVER);
	result = jffs2_file_colse(jffs2_file);
	rt_mutex_release(&jffs2_lock);
	if (result)
		return jffs2_result_to_dfs(result);	
	
	/* release memory */
	rt_free(jffs2_file);
	return 0;
}
开发者ID:QiuGong,项目名称:Terminal,代码行数:30,代码来源:dfs_jffs2.c


示例2: thread1_entry

static void thread1_entry(void* parameter)
{
    rt_err_t result;

    
    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
    result = rt_mutex_take(mutex, RT_WAITING_FOREVER);
    rt_kprintf("thread1: got mutex\n");

    if (result != RT_EOK)
    {
        return;
    }
        
    for(t1_count = 0; t1_count < 5;t1_count ++)
    {
        rt_kprintf("thread1:count: %d\n", t1_count);
    }
    if (t2->current_priority != t1->current_priority)
    {
        rt_kprintf("thread1: released mutex\n");
        rt_mutex_release(mutex);
        rt_mutex_release(mutex);
    }
        
}
开发者ID:003900107,项目名称:realboard-lpc4088,代码行数:26,代码来源:demo.c


示例3: lcd1602_DispProcessing

void lcd1602_DispProcessing(uint8_t percent)
{
    uint8_t i, BlockNum = 0;
    uint8_t abyString[17];

    rt_err_t rtResult;
    //while (1)
    {
        BlockNum = ((uint32_t)percent * 16) / 99;
        for (i = 0; i < 16; i++)
        {
            if (i < BlockNum)
            {
                abyString [i] = '#';
            }
            else
            {
                abyString [i] = ' ';
            }
        }
        abyString[16] = 0;
        rtResult = rt_mutex_take(LcdMutex, RT_WAITING_FOREVER);
        if (rtResult == RT_EOK)
        {
            LCD_PutStr(abyString, 16, 16);
            rt_mutex_release(LcdMutex);
        }
    }
}
开发者ID:xiamin,项目名称:TA_D,代码行数:29,代码来源:tad_LCD.c


示例4: rt_spi_transfer

rt_size_t rt_spi_transfer(struct rt_spi_device *device,
                          const void           *send_buf,
                          void                 *recv_buf,
                          rt_size_t             length)
{
    rt_err_t result;
    struct rt_spi_message message;

    RT_ASSERT(device != RT_NULL);
    RT_ASSERT(device->bus != RT_NULL);

    result = rt_mutex_take(&(device->bus->lock), RT_WAITING_FOREVER);
    if (result == RT_EOK)
    {
        if (device->bus->owner != device)
        {
            /* not the same owner as current, re-configure SPI bus */
            result = device->bus->ops->configure(device, &device->config);
            if (result == RT_EOK)
            {
                /* set SPI bus owner */
                device->bus->owner = device;
            }
            else
            {
                /* configure SPI bus failed */
                rt_set_errno(-RT_EIO);
                result = 0;
                goto __exit;
            }
        }

        /* initial message */
        message.send_buf   = send_buf;
        message.recv_buf   = recv_buf;
        message.length     = length;
        message.cs_take    = 1;
        message.cs_release = 1;
        message.next       = RT_NULL;

        /* transfer message */
        result = device->bus->ops->xfer(device, &message);
        if (result == 0)
        {
            rt_set_errno(-RT_EIO);
            goto __exit;
        }
    }
    else
    {
        rt_set_errno(-RT_EIO);

        return 0;
    }

__exit:
    rt_mutex_release(&(device->bus->lock));

    return result;
}
开发者ID:Bluebear233,项目名称:rt-thread-stm32f103,代码行数:60,代码来源:spi_core.c


示例5: I2C_AcknowledgePolling

/*TODO: If your device need more time to initialize I2C bus or waiting memory write, you can use I2C_AcknowledgePolling avoid I2C bus lose.*/
Status I2C_AcknowledgePolling(I2C_TypeDef* I2Cx ,uint8_t Addr)
{
    uint32_t timeout = 0xFFFF, ret;
    uint16_t tmp;
	ret = rt_mutex_take(i2c_mux, RT_WAITING_FOREVER );
	
	if( ret == RT_EOK )
	{
	    do{
	        if( timeout-- <= 0 )
	        {
	            I2C_ClearFlag(I2Cx,I2C_FLAG_AF);
	            I2Cx->CR1 |= CR1_STOP_Set;
				rt_mutex_release(i2c_mux);
	            return Error;
	        }
	
	        I2Cx->CR1 |= CR1_START_Set;
	        tmp = I2Cx->SR1;//²M°£SB¦ì
	        I2Cx->DR = Addr;
	        
	    }while((I2Cx->SR1&0x0002) != 0x0002);
	  
	    I2C_ClearFlag(I2Cx,I2C_FLAG_AF);
	    I2Cx->CR1 |= CR1_STOP_Set;
	    while ((I2Cx->CR1&0x200) == 0x200);
		rt_kprintf( "AcknowledgePolling OK\n");
		rt_mutex_release(i2c_mux);
		return Success; 
	}
	else
		return Error;
} 
开发者ID:bright-pan,项目名称:smart-lock,代码行数:34,代码来源:i2c.c


示例6: rt_spi_configure

rt_err_t rt_spi_configure(struct rt_spi_device* device, struct rt_spi_configuration* cfg)
{
	rt_err_t result;

	RT_ASSERT(device != RT_NULL);

	/* set configuration */
	device->config.data_width = cfg->data_width;
	device->config.mode = cfg->mode & RT_SPI_MODE_MASK ;
	device->config.max_hz = cfg->max_hz ;

	if (device->bus != RT_NULL)
	{
		result = rt_mutex_take(&(device->bus->lock), RT_WAITING_FOREVER);
		if (result == RT_EOK)
		{
			if (device->bus->owner == device)
			{
				device->bus->ops->configure(device, &device->config);
			}

			/* release lock */
			rt_mutex_release(&(device->bus->lock));
		}
	}

	return RT_EOK;
}
开发者ID:Manish-cimcon,项目名称:micro,代码行数:28,代码来源:spi_core.c


示例7: rt_i2c_transfer

rt_size_t rt_i2c_transfer(struct rt_i2c_bus_device *bus,
                          struct rt_i2c_msg         msgs[],
                          rt_uint32_t               num)
{
    rt_size_t ret;

    if (bus->ops->master_xfer)
    {
#ifdef RT_I2C_DEBUG
        for (ret = 0; ret < num; ret++)
        {
            i2c_dbg("msgs[%d] %c, addr=0x%02x, len=%d%s\n", ret,
                    (msgs[ret].flags & RT_I2C_RD) ? 'R' : 'W',
                    msgs[ret].addr, msgs[ret].len);
        }
#endif

        rt_mutex_take(&bus->lock, RT_WAITING_FOREVER);
        ret = bus->ops->master_xfer(bus, msgs, num);
        rt_mutex_release(&bus->lock);

        return ret;
    }
    else
    {
        i2c_dbg("I2C bus operation not supported\n");

        return 0;
    }
}
开发者ID:AdrianHuang,项目名称:rt-thread-for-vmm,代码行数:30,代码来源:i2c_core.c


示例8: ff_req_grant

int ff_req_grant(_SYNC_t m)
{
    if (rt_mutex_take(m, _FS_TIMEOUT) == RT_EOK)
		return RT_TRUE;

    return RT_FALSE;
}
开发者ID:comrid1987,项目名称:jb3500,代码行数:7,代码来源:dfs_elm.c


示例9: pthread_mutex_lock

int pthread_mutex_lock(pthread_mutex_t *mutex)
{
	int mtype;
	rt_err_t result;

	if (!mutex) return EINVAL;

	if (mutex->attr == -1)
	{
		/* init mutex */
		pthread_mutex_init(mutex, RT_NULL);
	}

	mtype = mutex->attr & MUTEXATTR_TYPE_MASK;
	rt_enter_critical();
	if (mutex->lock.owner == rt_thread_self() && mtype != PTHREAD_MUTEX_RECURSIVE)
	{
		rt_exit_critical();
		return EDEADLK;
	}
	rt_exit_critical();

	result = rt_mutex_take(&(mutex->lock), RT_WAITING_FOREVER);
	if (result == RT_EOK) return 0;

	return EINVAL;
}
开发者ID:bobo8909,项目名称:RTT,代码行数:27,代码来源:pthread_mutex.c


示例10: sys_mutex_lock

/** Lock a mutex
 * @param mutex the mutex to lock
 */
void sys_mutex_lock(sys_mutex_t *mutex)
{
    RT_DEBUG_NOT_IN_INTERRUPT;
    rt_mutex_take(*mutex, RT_WAITING_FOREVER);

    return;
}
开发者ID:AdrianHuang,项目名称:rt-thread-for-vmm,代码行数:10,代码来源:sys_arch.c


示例11: dfs_jffs2_write

static int dfs_jffs2_write(struct dfs_fd* file, 
                    const void* buf, 
					rt_size_t len)
{
	cyg_file * jffs2_file;
	struct CYG_UIO_TAG uio_s;
	struct CYG_IOVEC_TAG iovec;
	int char_write;
	int result;
	
	RT_ASSERT(file->data != NULL);
	jffs2_file = (cyg_file *)(file->data);	
    uio_s.uio_iov = &iovec;
    uio_s.uio_iov->iov_base = (void *)buf;
    uio_s.uio_iov->iov_len = len;
    uio_s.uio_iovcnt = 1; //must be 1
    //uio_s.uio_offset //not used...
    uio_s.uio_resid = uio_s.uio_iov->iov_len; //seem no use in jffs2;
	
	char_write = jffs2_file->f_offset;
	rt_mutex_take(&jffs2_lock, RT_WAITING_FOREVER);
	result = jffs2_file_write(jffs2_file, &uio_s);
	rt_mutex_release(&jffs2_lock);
	if (result)
		return jffs2_result_to_dfs(result);
	
	/* update position */
	file->pos = jffs2_file->f_offset;	
	char_write = jffs2_file->f_offset - char_write;
	return char_write;
}
开发者ID:QiuGong,项目名称:Terminal,代码行数:31,代码来源:dfs_jffs2.c


示例12: dfs_lock

/**
 * this function will lock device file system.
 *
 * @note please don't invoke it on ISR.
 */
void dfs_lock(void)
{
	rt_err_t result;

	result = rt_mutex_take(&fslock, RT_WAITING_FOREVER);
	if (result != RT_EOK)
	{
		RT_ASSERT(0);
	}
}
开发者ID:dlts200466,项目名称:PowerSupply,代码行数:15,代码来源:dfs.c


示例13: telnet_read

static rt_size_t telnet_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
{
    rt_size_t result;

    /* read from rx ring buffer */
    rt_mutex_take(telnet->rx_ringbuffer_lock, RT_WAITING_FOREVER);
    result = rt_ringbuffer_get(&(telnet->rx_ringbuffer), buffer, size);
    rt_mutex_release(telnet->rx_ringbuffer_lock);

    return result;
}
开发者ID:onelife,项目名称:rt-thread,代码行数:11,代码来源:telnet.c


示例14: thread2_entry

static void thread2_entry(void* parameter)
{
    rt_thread_delay(5);

    rt_mutex_take(mutex, RT_WAITING_FOREVER);
    rt_kprintf("thread2: got mutex\n");
    for(t2_count = 0; t2_count < 5;t2_count ++)
    {
        rt_kprintf("thread2: count: %d\n", t2_count);
    }
}
开发者ID:003900107,项目名称:realboard-lpc4088,代码行数:11,代码来源:demo.c


示例15: rt_thread_entry2

static void rt_thread_entry2(void* parameter)
{
    rt_err_t result;
    rt_tick_t tick;

    /* 1. static mutex test */
    rt_kprintf("thread2 try to get static mutex\n");
    rt_mutex_take(&static_mutex, 10);
    rt_kprintf("thread2 got static mutex\n");
    rt_thread_delay(RT_TICK_PER_SECOND);
    rt_kprintf("thread2 release static mutex\n");
    rt_mutex_release(&static_mutex);

    /* 2. dynamic mutex test */
    rt_kprintf("thread2 try to get dynamic mutex\n");
    rt_mutex_take(dynamic_mutex, 10);
    rt_kprintf("thread2 got dynamic mutex\n");
    rt_thread_delay(RT_TICK_PER_SECOND);
    rt_kprintf("thread2 release dynamic mutex\n");
    rt_mutex_release(dynamic_mutex);
}
开发者ID:15863118785,项目名称:realtouch-stm32f4,代码行数:21,代码来源:application.c


示例16: hm_heatcal_thread_entry

void hm_heatcal_thread_entry(void* parameter)
{
    rt_uint32_t event_set = 0;
    float heat_used = 0;
    cal_event = rt_event_create("H_cal", RT_IPC_FLAG_FIFO);
    RT_ASSERT(cal_event);

    while(1) {
        if(rt_event_recv(cal_event, TDC_DATA_FULL_EVENT,
                         RT_EVENT_FLAG_AND | RT_EVENT_FLAG_CLEAR, RT_WAITING_FOREVER,
                         &event_set)==RT_EOK) {
            if((rt_mutex_take(temp_lock, rt_tick_from_millisecond(LOCK_TACK_WAIT_TIME_MS)) ||
                (rt_mutex_take(tof_lock, rt_tick_from_millisecond(LOCK_TACK_WAIT_TIME_MS)))) != RT_EOK) {
                rt_kprintf("TOF and temprature take lock error\n");
            }
            heat_used += do_heat_cal();
            rt_mutex_release(tof_lock);
            rt_mutex_release(temp_lock);
            heat_print(heat_used);
        }
    }
}
开发者ID:leon008wlo,项目名称:heat_meter_rtt,代码行数:22,代码来源:heat_senser.c


示例17: osMutexWait

/// Wait until a Mutex becomes available
osStatus osMutexWait(osMutexId mutex_id, uint32_t millisec)
{
	rt_err_t result;
	rt_tick_t ticks;

	ticks = rt_tick_from_millisecond(millisec);
	result = rt_mutex_take(mutex_id, ticks);

	if (result == RT_EOK)
		return osOK;
	else
		return osErrorOS;
}
开发者ID:Paolo-Maffei,项目名称:rt-thread-stm32f4discovery,代码行数:14,代码来源:cmsis_rtthread.c


示例18: AddTestIndex

int AddTestIndex(struct TestIndexListStc til)
{
	int pos=ReadAllTestIndex();
	
	struct TestIndexListStc *ti = NULL;
	ti = &TestIndexListEnd;
	struct TestIndexListStc *pti=NULL;
	pti=malloc(sizeof(TestIndexList));//c0
	ti->next = pti;//c1
	pti = ti;//c2
	ti = ti->next;//c3
	ti->pre = pti;//c4
	ti->next = NULL;//c5
	
	pos++;
	ti->ti=pos;
	ti->del=0;
	ti->time=til.time;
	memcpy(&ti->unit,&til.time,sizeof(til.time));
	memcpy(&ti->TestLocA,&til.TestLocA,sizeof(til.TestLocA));
	memcpy(&ti->TestLocB,&til.TestLocB,sizeof(til.TestLocA));
	memcpy(&ti->TestLocC,&til.TestLocC,sizeof(til.TestLocA));
	ti->a1=til.a1;
	ti->a2=til.a2;
	ti->b1=til.b1;
	ti->b2=til.b2;

	TestIndexListEnd=*ti;
	
	UINT8 tfwrbuf[TFCARD_BLOCK_SIZE];
	memcpy(tfwrbuf,&TestIndexListEnd,sizeof(TestIndexListEnd));
	
	rt_uint8_t idxpath[10];
	CreatePath(TestIndexListEnd.pos,idxpath);
	
	rt_err_t result = rt_mutex_take(&tfio_mutex, RT_WAITING_NO);	
	//update testindex.bin
	CH378FileOpen(tibin);
	CH378SecLocate(SECEND);
	PUINT8 realcnt;
	CH378SecWrite(tfwrbuf,1,realcnt);
	if(*realcnt<1)
	{
		//write error
	}
	//create index.bin
	status=CH378FileCreate(idxpath);
	CH378FileClose(1);
	rt_mutex_release(&tfio_mutex);
	return -1;
}
开发者ID:aileenfun,项目名称:ArmFirmware,代码行数:51,代码来源:tfcard.c


示例19: pthread_mutex_trylock

int pthread_mutex_trylock(pthread_mutex_t *mutex)
{
	rt_err_t result;

	if (!mutex) return EINVAL;
	if (mutex->attr == -1) {
		/* init mutex */
		pthread_mutex_init(mutex, RT_NULL);
	}

	result = rt_mutex_take(&(mutex->lock), 0);
	if (result == RT_EOK) return 0;

	return EBUSY;
}
开发者ID:malooei,项目名称:yeejoin-workspace,代码行数:15,代码来源:pthread_mutex.c


示例20: send_option_to_client

/* send telnet option to remote */
static void send_option_to_client(struct telnet_session* telnet, rt_uint8_t option, rt_uint8_t value)
{
    rt_uint8_t optbuf[4];

    optbuf[0] = TELNET_IAC;
    optbuf[1] = option;
    optbuf[2] = value;
    optbuf[3] = 0;

    rt_mutex_take(telnet->tx_ringbuffer_lock, RT_WAITING_FOREVER);
    rt_ringbuffer_put(&telnet->tx_ringbuffer, optbuf, 3);
    rt_mutex_release(telnet->tx_ringbuffer_lock);

    send_to_client(telnet);
}
开发者ID:onelife,项目名称:rt-thread,代码行数:16,代码来源:telnet.c



注:本文中的rt_mutex_take函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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