/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2011-04-16 first version */ #include #define THREAD_STACK_SIZE 1024 #if 0 struct rt_semaphore sem1, sem2; static struct rt_thread thread1; rt_align(4) static rt_uint8_t thread1_stack[THREAD_STACK_SIZE]; static struct rt_thread thread2; rt_align(4) static rt_uint8_t thread2_stack[THREAD_STACK_SIZE]; static void thread1_entry(void* parameter) { while (1) { rt_sem_release(&sem2); rt_kprintf("thread1..: %s\n", rt_thread_self()->name); rt_sem_take(&sem1, RT_WAITING_FOREVER); rt_kprintf("get semaphore: %s!\n", rt_thread_self()->name); } } static void thread2_entry(void* parameter) { while (1) { rt_sem_take(&sem2, RT_WAITING_FOREVER); rt_kprintf("thread2--->: %s\n", rt_thread_self()->name); rt_sem_release(&sem1); } } /* user application */ int rt_application_init() { rt_err_t result; rt_sem_init(&sem1, "s1", 0, RT_IPC_FLAG_FIFO); rt_sem_init(&sem2, "s2", 0, RT_IPC_FLAG_FIFO); result = rt_thread_init(&thread1, "t1", thread1_entry, RT_NULL, &thread1_stack[0], sizeof(thread1_stack), 10, 10); if (result == RT_EOK) rt_thread_startup(&thread1); result = rt_thread_init(&thread2, "t2", thread2_entry, RT_NULL, &thread2_stack[0], sizeof(thread2_stack), 18, 10); if (result == RT_EOK) rt_thread_startup(&thread2); return 0; } #else static struct rt_thread thread1; rt_align(4) static rt_uint8_t thread1_stack[THREAD_STACK_SIZE]; rt_timer_t ttimer; static void thread1_entry(void* parameter) { rt_uint32_t count = 0; while (1) { rt_kprintf("%s: count = %d\n", rt_thread_self()->name, count ++); rt_thread_delay(10); } } /* user application */ int rt_application_init() { rt_err_t result; result = rt_thread_init(&thread1, "t1", thread1_entry, RT_NULL, &thread1_stack[0], sizeof(thread1_stack), 10, 10); ttimer = &(thread1.thread_timer); if (result == RT_EOK) rt_thread_startup(&thread1); return 0; } #endif