diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/.keep" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/e6cc63163ecb62e0f1fe6ac4b45dc54.jpg" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/e6cc63163ecb62e0f1fe6ac4b45dc54.jpg"
new file mode 100644
index 0000000000000000000000000000000000000000..5520325418ea474ccf21667690edc4c51fe34691
Binary files /dev/null and "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/e6cc63163ecb62e0f1fe6ac4b45dc54.jpg" differ
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\344\275\234\344\270\232/.keep" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\344\275\234\344\270\232/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/.keep" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/1ac677698b148c859a22a14daeb618d.jpg" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/1ac677698b148c859a22a14daeb618d.jpg"
new file mode 100644
index 0000000000000000000000000000000000000000..eb7436a8ae32912c2089f8b86018db5e9dbbf0f1
Binary files /dev/null and "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/1ac677698b148c859a22a14daeb618d.jpg" differ
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/\347\254\254\344\270\211\345\244\251\347\254\224\350\256\260.md" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/\347\254\254\344\270\211\345\244\251\347\254\224\350\256\260.md"
new file mode 100644
index 0000000000000000000000000000000000000000..d6fe13001f64280d836c35455c54608e85bdaabe
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\224\350\256\260/\347\254\254\344\270\211\345\244\251\347\254\224\350\256\260.md"	
@@ -0,0 +1,7 @@
+# 笔记
+
+## 大部分都是截图
+
+## 信号量
+
+![输入图片说明](1ac677698b148c859a22a14daeb618d.jpg)
\ No newline at end of file
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/event.c" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/event.c"
new file mode 100644
index 0000000000000000000000000000000000000000..4545e4baa6b0f61d1e0097a2e7fda730d6f4f419
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/event.c"	
@@ -0,0 +1,77 @@
+/*
+ * 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
+ */
+
+
+#include <rtthread.h>
+
+#define THREAD_PRIORITY      9
+#define THREAD_TIMESLICE     5
+
+#define EVENT_FLAG3 (1 << 3)
+#define EVENT_FLAG5 (1 << 5)
+
+/* 事件控制块 */
+static struct rt_event event;
+
+static void event_recv_thread(void *param)
+{
+    rt_uint32_t recved;
+
+    while(1) {
+        // 等待任一事件发生（逻辑或）
+        rt_event_recv(event,
+                     (EVENT_FLAG1 | EVENT_FLAG2),  // 等待的事件集合
+                     RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, // 逻辑或+清除事件
+                     RT_WAITING_FOREVER,
+                     &recved);
+
+        rt_kprintf("收到事件: %s\n",
+                  recved & EVENT_FLAG1 ? "EVENT1" :
+                  recved & EVENT_FLAG2 ? "EVENT2" : "UNKNOWN");
+    }
+}
+
+/* 事件发送线程 */
+static void event_send_thread(void *param)
+{
+    rt_uint8_t flag = 0;
+
+    while(1) {
+        flag = !flag;
+        if (flag) {
+            rt_event_send(event, EVENT_FLAG1);
+            rt_kprintf("发送事件1\n");
+        } else {
+            rt_event_send(event, EVENT_FLAG2);
+            rt_kprintf("发送事件2\n");
+        }
+        rt_thread_mdelay(1000);
+    }
+}
+
+int event_demo(void)
+{
+    // 创建事件集
+    event = rt_event_create("evt", RT_IPC_FLAG_FIFO);
+
+    rt_thread_t recv = rt_thread_create("recv", event_recv_thread, RT_NULL,
+                          512, 25, 10);
+    rt_thread_t send = rt_thread_create("send", event_send_thread, RT_NULL,
+                          512, 26, 10);
+
+    rt_thread_startup(recv);
+    rt_thread_startup(send);
+
+    return 0;
+}
+
+
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(event_demo, event sample);
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/mailbox.c" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/mailbox.c"
new file mode 100644
index 0000000000000000000000000000000000000000..8f5e50b685447b111bb80635d7fccc8a02696ee7
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/mailbox.c"	
@@ -0,0 +1,79 @@
+/*
+ * 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
+ */
+
+
+#include <rtthread.h>
+
+/* 自定义消息结构 */
+struct msg {
+    rt_uint8_t id;
+    rt_uint32_t value;
+    char text[16];
+};
+
+static rt_mailbox_t mb;  // 邮箱指针
+
+/* 邮件发送线程 */
+static void send_thread_entry(void *parameter)
+{
+    struct msg *mail;
+    static rt_uint8_t count = 0;
+
+    while (1) {
+        // 动态分配邮件内存
+        mail = (struct msg *)rt_malloc(sizeof(struct msg));
+        mail->id = count;
+        mail->value = count * 10;
+        rt_snprintf(mail->text, sizeof(mail->text), "Mail-%d", count);
+
+        // 发送邮件（传递指针）
+        rt_mb_send(mb, (rt_ubase_t)mail);
+        rt_kprintf("发送邮件: id=%d, value=%d, text=%s\n",
+                  mail->id, mail->value, mail->text);
+
+        count++;
+        rt_thread_mdelay(800);
+    }
+}
+
+/* 邮件接收线程 */
+static void recv_thread_entry(void *parameter)
+{
+    struct msg *mail;
+
+    while (1) {
+        // 接收邮件（阻塞等待）
+        rt_mb_recv(mb, (rt_ubase_t *)&mail, RT_WAITING_FOREVER);
+
+        rt_kprintf("接收邮件: id=%d, value=%d, text=%s\n",
+                  mail->id, mail->value, mail->text);
+
+        rt_free(mail);  // 释放邮件内存
+    }
+}
+
+int mailbox_demo(void)
+{
+    // 创建邮箱（容量为4条消息）
+    mb = rt_mb_create("mbt", 4, RT_IPC_FLAG_FIFO);
+
+    rt_thread_t send_thread = rt_thread_create("send", send_thread_entry, RT_NULL,
+                          512, 25, 10);
+    rt_thread_t recv_thread = rt_thread_create("recv", recv_thread_entry, RT_NULL,
+                          512, 26, 10);
+
+    rt_thread_startup(send_thread);
+    rt_thread_startup(recv_thread);
+
+    return 0;
+}
+
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(mailbox_demo, mailbox sample);
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/message_queue.c" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/message_queue.c"
new file mode 100644
index 0000000000000000000000000000000000000000..941b7d4541156b1bdcbe0c76fac19b510bea037b
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/message_queue.c"	
@@ -0,0 +1,74 @@
+/*
+ * 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
+ */
+
+
+#include <rtthread.h>
+
+#define THREAD_PRIORITY      25
+#define THREAD_TIMESLICE     5
+
+#define RT_VERSION_CHECK(major, minor, revise)          ((major * 10000) + (minor * 100) + revise)
+
+/* 消息队列控制块 */
+static rt_mq_t mq;
+
+/* 消息发送线程 */
+static void mq_send_thread(void *param)
+{
+    char buf[MQ_MSG_SIZE];
+    rt_uint8_t count = 0;
+
+    while(1) {
+        // 格式化消息内容
+        rt_snprintf(buf, sizeof(buf), "Message-%d", count++);
+
+        // 发送消息（非阻塞方式）
+        if (rt_mq_send(mq, buf, sizeof(buf)) == RT_EOK) {
+            rt_kprintf("发送消息: %s\n", buf);
+        } else {
+            rt_kprintf("消息队列已满!\n");
+        }
+
+        rt_thread_mdelay(500);
+    }
+}
+
+/* 消息接收线程 */
+static void mq_recv_thread(void *param)
+{
+    char rbuf[MQ_MSG_SIZE];
+
+    while(1) {
+        // 接收消息（阻塞等待）
+        if (rt_mq_recv(mq, rbuf, sizeof(rbuf), RT_WAITING_FOREVER) > 0) {
+            rt_kprintf("接收消息: %s\n", rbuf);
+        }
+    }
+}
+
+int message_queue_demo(void)
+{
+    // 创建消息队列
+    mq = rt_mq_create("mq", MQ_MSG_SIZE, MQ_MAX_MSGS, RT_IPC_FLAG_FIFO);
+
+    rt_thread_t send = rt_thread_create("send", mq_send_thread, RT_NULL,
+                          512, 25, 10);
+    rt_thread_t recv = rt_thread_create("recv", mq_recv_thread, RT_NULL,
+                          512, 26, 10);
+
+    rt_thread_startup(send);
+    rt_thread_startup(recv);
+
+    return 0;
+}
+
+
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(message_queue_demo, msgq sample);
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/mutex.c" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/mutex.c"
new file mode 100644
index 0000000000000000000000000000000000000000..f88b04c30a95aec2b35d1e47c524c92ce6b97f3b
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/mutex.c"	
@@ -0,0 +1,63 @@
+/*
+ * 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
+ */
+
+
+#include <rtthread.h>
+
+#define THREAD_PRIORITY         8
+#define THREAD_TIMESLICE        5
+
+/* 指向互斥量的指针 */
+static rt_mutex_t mutex;
+static rt_uint8_t number = 0;  // 共享资源
+
+/* 低优先级线程 */
+static void low_priority_thread(void *param)
+{
+    while(1) {
+        rt_mutex_take(mutex, RT_WAITING_FOREVER);  // 获取互斥锁
+        number++;
+        rt_kprintf("低优先级线程: number=%d\n", number);
+        rt_thread_mdelay(500);  // 模拟长时间操作
+        rt_mutex_release(mutex);  // 释放互斥锁
+        rt_thread_mdelay(10);
+    }
+}
+
+/* 高优先级线程 */
+static void high_priority_thread(void *param)
+{
+    while(1) {
+        rt_mutex_take(mutex, RT_WAITING_FOREVER);
+        number++;
+        rt_kprintf("高优先级线程: number=%d\n", number);
+        rt_mutex_release(mutex);
+        rt_thread_mdelay(300);
+    }
+}
+
+int mutex_demo(void)
+{
+    // 创建互斥量
+    mutex = rt_mutex_create("mtx", RT_IPC_FLAG_FIFO);
+
+    // 创建线程（注意优先级设置）
+    rt_thread_t low = rt_thread_create("low", low_priority_thread, RT_NULL,
+                          1024, 20, 10);
+    rt_thread_t high = rt_thread_create("high", high_priority_thread, RT_NULL,
+                          1024, 19, 10);
+
+    rt_thread_startup(low);
+    rt_thread_startup(high);
+
+    return 0;
+}
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(mutex_demo, mutex sample);
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/sem.c" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/sem.c"
new file mode 100644
index 0000000000000000000000000000000000000000..b46c47b1facf9e94f4f8b6d06b72f8669dd403fd
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/sem.c"	
@@ -0,0 +1,70 @@
+/*
+ * 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
+ */
+
+
+#include <rtthread.h>
+
+#define THREAD_PRIORITY         25
+#define THREAD_TIMESLICE        5
+
+/* 指向信号量的指针 */
+static rt_sem_t dynamic_sem = RT_NULL;
+
+
+
+
+static void producer_thread_entry(void *parameter)
+{
+    static rt_uint8_t count = 0;
+
+    while (1)
+    {
+        rt_kprintf("count=%d\n", count++);
+        rt_sem_release(dynamic_sem);
+        rt_thread_mdelay(100);
+    }
+}
+
+
+static void consumer_thread_entry(void *parameter)
+{
+    while (1)
+    {
+        rt_sem_take(dynamic_sem, RT_WAITING_FOREVER);
+        rt_kprintf("+1\n");
+    }
+}
+
+/* 信号量示例的初始化 */
+int semaphore_demo(void)
+{
+    // 创建动态信号量，初始值为0（没有可用资源）
+    dynamic_sem = rt_sem_create("dsem", 0, RT_IPC_FLAG_FIFO);
+
+    // 创建生产者线程（优先级较低）
+    rt_thread_t producer = rt_thread_create("producer",
+            producer_thread_entry, RT_NULL,
+            512, THREAD_PRIORITY+1, THREAD_TIMESLICE);
+
+    // 创建消费者线程（优先级较高）
+    rt_thread_t consumer = rt_thread_create("consumer",
+            consumer_thread_entry, RT_NULL,
+            512, THREAD_PRIORITY, THREAD_TIMESLICE);
+
+    // 启动线程
+    rt_thread_startup(producer);
+    rt_thread_startup(consumer);
+
+    return 0;
+}
+
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(semaphore_demo, semaphore sample);
+
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/signal.c" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/signal.c"
new file mode 100644
index 0000000000000000000000000000000000000000..91d108aa2d6fb03d93bb2fd2beea29ea88f8d558
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/signal.c"	
@@ -0,0 +1,72 @@
+/*
+ * 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
+ */
+
+
+#include <rtthread.h>
+
+static rt_thread_t tid = RT_NULL;
+
+/* 信号处理函数 */
+void signal_handler(int sig)
+{
+    rt_kprintf("!!! 信号处理函数执行: 收到信号 %d\n", sig);
+}
+
+/* 信号接收线程 */
+static void signal_recv_thread(void *param)
+{
+    // 安装信号处理函数
+    rt_signal_install(SIGUSR1, signal_handler);
+    rt_signal_install(SIGUSR2, signal_handler);
+
+    rt_kprintf("信号接收线程启动\n");
+
+    while(1) {
+        rt_kprintf("接收线程正常运行...\n");
+        rt_thread_mdelay(2000);
+    }
+}
+
+/* 信号发送线程 */
+static void signal_send_thread(void *param)
+{
+    rt_thread_mdelay(3000);  // 等待接收线程启动
+
+    while(1) {
+        rt_kprintf("\n发送信号 SIGUSR1\n");
+        rt_signal_kill(tid, SIGUSR1);
+
+        rt_thread_mdelay(4000);
+
+        rt_kprintf("\n发送信号 SIGUSR2\n");
+        rt_signal_kill(tid, SIGUSR2);
+
+        rt_thread_mdelay(4000);
+    }
+}
+
+int signal_demo(void)
+{
+    // 创建接收线程
+    tid = rt_thread_create("recv", signal_recv_thread, RT_NULL,
+                          512, 25, 10);
+
+    // 创建发送线程
+    rt_thread_t send = rt_thread_create("send", signal_send_thread, RT_NULL,
+                          512, 26, 10);
+
+    rt_thread_startup(tid);
+    rt_thread_startup(send);
+
+    return 0;
+}
+
+/* 导出到 msh 命令列表中 */
+MSH_CMD_EXPORT(signal_demo, signal sample);
diff --git "a/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/\347\224\250\344\272\206\344\270\200\347\202\271\347\202\271ai\350\276\205\345\212\251.txt" "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/\347\224\250\344\272\206\344\270\200\347\202\271\347\202\271ai\350\276\205\345\212\251.txt"
new file mode 100644
index 0000000000000000000000000000000000000000..ad9cb8bace82ee040ce31580ed9c27615832f886
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\344\275\234\344\270\232/\347\224\250\344\272\206\344\270\200\347\202\271\347\202\271ai\350\276\205\345\212\251.txt"	
@@ -0,0 +1 @@
+QAQ
\ No newline at end of file
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index 0000000000000000000000000000000000000000..822993749da9693daa753c79bc883220948a425d
--- /dev/null
+++ "b/2025/\347\254\2543\347\273\204(PSoC62 evaluation Kit)/\350\242\201\346\265\251\345\215\216/\347\254\254\344\270\211\345\244\251\347\254\224\350\256\260/\347\254\254\344\270\211\345\244\251\347\254\224\350\256\260.md"	
@@ -0,0 +1,335 @@
+# 笔记
+
+## 信息量
+
+![输入图片说明](1ac677698b148c859a22a14daeb618d.jpg)
+
+![输入图片说明](../e6cc63163ecb62e0f1fe6ac4b45dc54.jpg)
+
+### 创建和删除信号量
+
+
+```
+ rt_sem_t rt_sem_create(const char *name,
+                        rt_uint32_t value,
+                        rt_uint8_t flag);
+
+```
+
+```
+rt_err_t rt_sem_delete(rt_sem_t sem);
+
+```
+
+### 初始化和脱离信号量
+
+
+```
+rt_err_t rt_sem_init(rt_sem_t       sem,
+                    const char     *name,
+                    rt_uint32_t    value,
+                    rt_uint8_t     flag)
+
+```
+
+
+```
+rt_err_t rt_sem_detach(rt_sem_t sem);
+
+```
+
+### 获取信号量
+
+
+```
+rt_err_t rt_sem_take (rt_sem_t sem, rt_int32_t time);
+
+```
+
+### 无等待获取信号量
+
+
+```
+rt_err_t rt_sem_trytake(rt_sem_t sem);
+
+```
+
+### 释放信号量
+
+```
+rt_err_t rt_sem_release(rt_sem_t sem);
+
+```
+
+## 互斥量
+
+![输入图片说明](28b2d4fd7a1ca7d4e08e87943efe896.jpg)
+
+![输入图片说明](22bd16cdef716095a6e92186e2ec40f.jpg)
+
+![输入图片说明](45bb5e2ceb786ce88e8c339da818692.jpg)
+
+![输入图片说明](355b72983b377c454f8b8e0fe58e5cf.jpg)
+
+![输入图片说明](c61d676ccf4bf3ed0bfe985672cd109.jpg)
+
+### 创建和删除互斥量
+
+
+```
+rt_mutex_t rt_mutex_create (const char* name, rt_uint8_t flag);
+
+```
+
+### 初始化和脱离互斥量
+
+
+```
+rt_err_t rt_mutex_init (rt_mutex_t mutex, const char* name, rt_uint8_t flag);
+
+```
+
+### 获取互斥量
+
+
+```
+rt_err_t rt_mutex_take (rt_mutex_t mutex, rt_int32_t time);
+
+```
+
+### 释放互斥量
+
+
+```
+rt_err_t rt_mutex_release(rt_mutex_t mutex);
+
+```
+
+## 事件集
+
+![输入图片说明](ae875a1294e6c20fa6232e0867d7248.jpg)
+
+## 消息邮箱
+
+![输入图片说明](ac17c9b26d2e06da401d67bbfa82ad6.jpg)
+
+![输入图片说明](5a2000ec7dd577283c2bb822af4fe87.jpg)
+
+### 创建和删除邮箱
+
+
+```
+rt_mailbox_t rt_mb_create (const char* name, rt_size_t size, rt_uint8_t flag);
+
+```
+
+```
+rt_err_t rt_mb_delete (rt_mailbox_t mb);
+
+```
+
+### 初始化和脱离邮箱
+
+
+
+```
+  rt_err_t rt_mb_init(rt_mailbox_t mb,
+                    const char* name,
+                    void* msgpool,
+                    rt_size_t size,
+                    rt_uint8_t flag)
+
+```
+
+
+```
+rt_err_t rt_mb_detach(rt_mailbox_t mb);
+
+```
+
+
+### 发送邮件
+
+
+
+
+```
+rt_err_t rt_mb_send (rt_mailbox_t mb, rt_uint32_t value);
+
+```
+### 等待方式发送邮件
+
+
+```
+rt_err_t rt_mb_send_wait (rt_mailbox_t mb,
+                      rt_uint32_t value,
+                      rt_int32_t timeout);
+
+```
+
+### 发送紧急邮件
+
+
+```
+rt_err_t rt_mb_urgent (rt_mailbox_t mb, rt_ubase_t value);
+
+```
+
+### 接收邮件
+
+
+```
+rt_err_t rt_mb_recv (rt_mailbox_t mb, rt_uint32_t* value, rt_int32_t timeout);
+
+```
+
+## 消息队列
+
+### 消息队列的工作机制
+
+![输入图片说明](image.png)
+
+### 消息队列控制块
+
+
+```
+struct rt_messagequeue
+{
+    struct rt_ipc_object parent;
+
+    void* msg_pool;                     /* 指向存放消息的缓冲区的指针 */
+
+    rt_uint16_t msg_size;               /* 每个消息的长度 */
+    rt_uint16_t max_msgs;               /* 最大能够容纳的消息数 */
+
+    rt_uint16_t entry;                  /* 队列中已有的消息数 */
+
+    void* msg_queue_head;               /* 消息链表头 */
+    void* msg_queue_tail;               /* 消息链表尾 */
+    void* msg_queue_free;               /* 空闲消息链表 */
+
+    rt_list_t suspend_sender_thread;    /* 发送线程的挂起等待队列 */
+};
+typedef struct rt_messagequeue* rt_mq_t;
+
+```
+
+### 创建和删除消息队列
+
+```
+rt_mq_t rt_mq_create(const char* name, rt_size_t msg_size,
+            rt_size_t max_msgs, rt_uint8_t flag);
+
+```
+
+### 初始化和脱离消息队列
+
+
+```
+rt_err_t rt_mq_init(rt_mq_t mq, const char* name,
+                        void *msgpool, rt_size_t msg_size,
+                        rt_size_t pool_size, rt_uint8_t flag);
+
+```
+
+
+```
+rt_err_t rt_mq_detach(rt_mq_t mq);
+
+```
+
+### 发送消息
+
+
+```
+rt_err_t rt_mq_send (rt_mq_t mq, void* buffer, rt_size_t size);
+
+```
+
+### 等待方式发送消息
+
+
+```
+rt_err_t rt_mq_send_wait(rt_mq_t     mq,
+                         const void *buffer,
+                         rt_size_t   size,
+                         rt_int32_t  timeout);
+
+```
+
+### 发送紧急消息
+
+
+```
+rt_err_t rt_mq_urgent(rt_mq_t mq, void* buffer, rt_size_t size);
+
+```
+
+### 接收消息
+
+
+```
+rt_ssize_t rt_mq_recv (rt_mq_t mq, void* buffer,
+                    rt_size_t size, rt_int32_t timeout);
+
+```
+
+## 信号
+
+### 信号的工作机制
+
+
+![输入图片说明](image2.png)
+
+### 信号的管理方式
+
+![输入图片说明](image3.png)
+
+### 安装信号
+
+
+```
+rt_sighandler_t rt_signal_install(int signo, rt_sighandler_t[] handler);
+
+```
+
+### 阻塞信号
+
+
+```
+void rt_signal_mask(int signo);
+
+```
+
+### 解除信号阻塞
+
+
+
+```
+void rt_signal_unmask(int signo);
+
+```
+
+### 发送信号
+
+
+
+```
+int rt_thread_kill(rt_thread_t tid, int sig);
+
+```
+
+### 等待信号
+
+
+
+```
+int rt_signal_wait(const rt_sigset_t *set,
+                        rt_siginfo_t[] *si, rt_int32_t timeout);
+
+```
+
+
+
+### 
+