接收邮箱出问题

发布于 2016-08-18 21:10:04 浏览：2611 订阅该版

调试信息如下，gnss线程等待邮箱，一开始都可以收到邮件，可是运行一段时间后，明明有邮箱却切换不回GNSS线程。
> 
[1]switch to priority#1 thread:gnss(sp:0x20001578), from thread:tidle(sp: 0x20000540)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  gnss
remove thread[gnss], the priority: 1
mb_recv: start timer of thread:gnss
[0]switch to priority#31 thread:tidle(sp:0x20000540), from thread:gnss(sp: 0x20001578)
resume thread:gnss
thread resume:  gnss
insert thread[gnss], the priority: 1
[1]switch to priority#1 thread:gnss(sp:0x20001578), from thread:tidle(sp: 0x20000540)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  gnss
remove thread[gnss], the priority: 1
mb_recv: start timer of thread:gnss
[0]switch to priority#31 thread:tidle(sp:0x20000540), from thread:gnss(sp: 0x20001578)
resume thread:?thread  resume:  ?insert  thread[怾, the priority: 1
[1]switch to priority#1 thread:?sp:0xx20001578), from thread:tidle(sp: 0x20000540)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  ?remove threadd[怾, the priority: 1
mb_recv: start timer of thread:?[0]sswitch to priority#31 thread:tidle(sp:0x20000540), from thread:?sp: 0x20001578)

resume thread:?threaad resume:  ?insert tthread[怾, the priority: 1
[1]switch to priority#1 thread:?sp:0x200015778), from thread:tidle(sp: 0x20000540)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  ?remove thread[[怾, the priority: 1
mb_recv: start timer of thread:?[0]switch to  priority#31 thread:tidle(sp:0x20000530), from thread:?sp: 0x20001578)

resume thread:?thread resume:   ?insert thrread[怾, the priority: 1
[1]switch to priority#1 thread:?spp:0x20001578), from thread:tidle(sp: 0x20000530)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  ?remove thread[怾, thee priority: 1
mb_recv: start timer of thread:?
[0]switch to priority#31 thread:tidle(sp:0x20000540), from thread:?sp: 0x20001578)

resume thread:?thread resume:  ?insnsert thread[怾, the priority: 1
[1]switch to priority#1 thread:?sp:0x20001578)), from thread:tidle(sp: 0x20000540)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  ?remove thhread[怾, the priority: 1
mb_recv: start timer of thread:?[0]switch to priiority#31 thread:tidle(sp:0x20000540), from thread:?(sp: 0x20001578)
resume thread:?thread resume:  ?insert t thread[怾, the priority: 1
[1]switch to priority#1 thread:?sp:0x200001578), from thread:tidle(sp: 0x20000540)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  ?remove thread[怾, the  priority: 1
mb_recv: start timer of thread:?
[0]switch to priority#31 thread:tidle(sp:0x20000540), from thread:?sp: 0x20001578)

resume thread:?thread resume:   ?insert thread[怾, the ppriority: 1
[1]switch to priority#1 thread:?sp:0x20001578), from thread:tidlle(sp: 0x20000540)
switch in interrupt
mb gnss
read gnss
while gnss
thread suspend:  ?
remove thread[怾, the priority: 1
mb_recv: start timer of thread:?[0]swiitch to priority#31 thread:tidle(sp:0x20000530), from thread:?sp: 00x20001578)
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
resume thread:觍
thread resume:  觍
thread resume: thread disorder, 211
(thread->stat == RT_THREAD_SUSPEND) assertion failed at function:rt_thread_timeout, line number:644

贴一段代码：
> ```

static rt_err_t Gnss_UartRxInd(rt_device_t dev,rt_size_t size)
{
	rt_mb_send(&Gnss_UartRxMb, size);
	return RT_EOK;
}

void Gnss_Thread(void *parameter)
{
	rt_device_t uart_dev;
	nmeaINFO info;
	nmeaPARSER parser;
	char buff[1024] = {0};
	rt_uint32_t uart_rx_sz = 0;
	GPIO_InitTypeDef GPIO_InitStructure;

rt_mb_init(&Gnss_UartRxMb, "mbgps", Gnss_MbPool, sizeof(Gnss_MbPool), RT_IPC_FLAG_FIFO);
	Uart_Config(UART4, 9600, 1024, 0, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
	uart_dev = rt_device_find(GNSS_USE_UART);
	rt_device_set_rx_indicate(uart_dev, Gnss_UartRxInd);

nmea_zero_INFO(&info);
	nmea_parser_init(&parser);

RCC_AHB1PeriphClockCmd(GNSS_PWR_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Mode=GPIO_Mode_OUT;
	GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;
	GPIO_InitStructure.GPIO_OType=GPIO_OType_PP;
	GPIO_InitStructure.GPIO_PuPd=GPIO_PuPd_UP;

GPIO_InitStructure.GPIO_Pin=GNSS_PWR_GPIO_PIN;
	GPIO_Init(GNSS_PWR_GPIO, &GPIO_InitStructure);
	GNSS_Reset();

while(1)
	{
		rt_kprintf("while gnss
");
//		rt_mb_recv(&Gnss_UartRxMb, &uart_rx_sz, RT_WAITING_FOREVER);
		if(rt_mb_recv(&Gnss_UartRxMb, &uart_rx_sz, 10 * RT_TICK_PER_SECOND) == RT_EOK)
		{
		rt_kprintf("mb gnss
");
			rt_memset(buff, 0, sizeof(buff));
			uart_rx_sz = rt_device_read(uart_dev, 0, buff, sizeof(buff));
		rt_kprintf("read gnss
");
			if(uart_rx_sz)
			{
//				rt_kprintf("
%s
", buff);
				nmea_parse(&parser, buff, (int)uart_rx_sz, &info);
			}

}
		else
		{
			/* reset */
			GNSS_Reset();
		}
	}
}

void Gnss_Init(void)
{
	/* 线程1控制块 */
	static struct rt_thread gnss_thread;
	/* 线程1栈 */
	ALIGN(4)
	static rt_uint8_t gnss_thread_stack[GNSS_THREAD_STACK_SIZE];
	rt_err_t result;

result = rt_thread_init(&gnss_thread, "gnss",
	    Gnss_Thread, RT_NULL,
	    gnss_thread_stack, GNSS_THREAD_STACK_SIZE,
	    1, 20);
	if (result == RT_EOK) /* 如果返回正确，启动线程 */
	{
		rt_thread_startup(&gnss_thread);
	}
}```