122 lines
2.3 KiB
C
122 lines
2.3 KiB
C
#include <rtthread.h>
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#include "tc_comm.h"
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static rt_sem_t sem;
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static rt_thread_t t1, worker;
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#define BUFFER_SIZE 256
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#define DATA_ITEM_SIZE 32
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static rt_uint8_t working_buffer[BUFFER_SIZE];
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static rt_uint16_t write_index, read_index;
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static void thread1_entry(void* parameter)
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{
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rt_err_t result;
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rt_uint16_t next_index;
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rt_uint8_t data[DATA_ITEM_SIZE];
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while (1)
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{
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/* take a semaphore */
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result = rt_sem_take(sem, RT_WAITING_FOREVER);
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if (result != RT_EOK)
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{
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tc_done(TC_STAT_FAILED);
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return;
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}
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/* read buffer */
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/* release semaphore */
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rt_sem_release(sem);
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}
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}
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static void worker_thread_entry(void* parameter)
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{
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rt_err_t result;
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rt_uint16_t next_index;
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rt_uint8_t data[DATA_ITEM_SIZE];
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while (1)
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{
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/* take a semaphore */
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result = rt_sem_take(sem, RT_WAITING_FOREVER);
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if (result != RT_EOK)
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{
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tc_done(TC_STAT_FAILED);
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return;
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}
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/* write buffer */
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/* release semaphore */
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rt_sem_release(sem);
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}
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}
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int semaphore_buffer_worker_init()
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{
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sem = rt_sem_create("sem", 0, RT_IPC_FLAG_FIFO);
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if (sem == RT_NULL)
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{
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tc_stat(TC_STAT_END | TC_STAT_FAILED);
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return 0;
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}
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write_index = read_index = 0;
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t1 = rt_thread_create("t1",
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thread1_entry, RT_NULL,
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THREAD_STACK_SIZE, THREAD_PRIORITY + 1, THREAD_TIMESLICE);
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if (t1 != RT_NULL)
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rt_thread_startup(t1);
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else
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tc_stat(TC_STAT_END | TC_STAT_FAILED);
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worker = rt_thread_create("worker",
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worker_thread_entry, RT_NULL,
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THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
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if (worker != RT_NULL)
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rt_thread_startup(worker);
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else
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tc_stat(TC_STAT_END | TC_STAT_FAILED);
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return 0;
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}
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#ifdef RT_USING_TC
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static void _tc_cleanup()
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{
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/* lock scheduler */
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rt_enter_critical();
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/* delete t1, t2 and worker thread */
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rt_thread_delete(t1);
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rt_thread_delete(worker);
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tc_stat(TC_STAT_PASSED);
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/* unlock scheduler */
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rt_exit_critical();
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}
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int _tc_semaphore_buffer_worker()
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{
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/* set tc cleanup */
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tc_cleanup(_tc_cleanup);
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semaphore_buffer_worker_init();
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return 50;
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}
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FINSH_FUNCTION_EXPORT(_tc_semaphore_buffer_worker, two threads working on a buffer example);
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#else
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int rt_application_init()
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{
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semaphore_buffer_worker_init();
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return 0;
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}
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#endif
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