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- /*
- * Copyright (c) 2006-2022, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2018-08-24 yangjie the first version
- */
- /*
- * Demo: queue
- * This demo creates a periodic hard timer which sends data to a queue when timeout
- * A thread blocks to receive from the queue
- *
- */
- #include <rtthread.h>
- #include <FreeRTOS.h>
- #include <queue.h>
- #define THREAD_PRIORITY 25
- #define THREAD_TIMESLICE 5
- #define QUEUE_LENGTH 1
- #define ITEM_SIZE sizeof( uint32_t )
- static QueueHandle_t xQueue = NULL;
- static rt_timer_t timer1;
- ALIGN(RT_ALIGN_SIZE)
- static char thread1_stack[1024];
- static struct rt_thread thread1;
- static void rt_thread1_entry(void *parameter)
- {
- BaseType_t xReturn;
- uint32_t num = 0;
- while (1)
- {
- xReturn = xQueueReceive(xQueue, &num, portMAX_DELAY);
- if (xReturn != pdPASS)
- {
- rt_kprintf("Task 1 receive from queue failed\n");
- }
- else
- {
- rt_kprintf("Task 1 receive data %d from queue\n", num);
- }
- if (num >= 100)
- {
- return;
- }
- }
- }
- static void timeout(void *parameter)
- {
- static uint32_t num = 0;
- rt_kprintf("timer isr send data %d to queue\n", num);
- xQueueSendToBackFromISR(xQueue, &num, NULL);
- num += 1;
- }
- int queue_isr()
- {
- xQueue = xQueueCreate(QUEUE_LENGTH, ITEM_SIZE);
- if (xQueue == NULL)
- {
- rt_kprintf("create queue failed.\n");
- return -1;
- }
- rt_thread_init(&thread1,
- "thread1",
- rt_thread1_entry,
- RT_NULL,
- &thread1_stack[0],
- sizeof(thread1_stack),
- THREAD_PRIORITY, THREAD_TIMESLICE);
- rt_thread_startup(&thread1);
- /* Create a hard timer with period of 5 seconds */
- timer1 = rt_timer_create("timer1", timeout, RT_NULL, rt_tick_from_millisecond(5000), RT_TIMER_FLAG_PERIODIC | RT_TIMER_FLAG_HARD_TIMER);
- if (timer1 != RT_NULL)
- {
- rt_timer_start(timer1);
- }
- return 0;
- }
- MSH_CMD_EXPORT(queue_isr, queue sample);
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