100 信号量断言--rt_sem_release

发布于 2022-09-03 22:54:58 浏览：536 订阅该版

出现断言的地方
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/674becf9e53040fb6412af9046d5393e.png.webp)
定义
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/9806be88fe12c0d9235e58ce56fd7a70.png)
初始化信号量放在串口初始化之前，因为用在了串口中断里面
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/1c03536ae5b32bc92a926c84adb54519.png)
放中断函数里读取，读取到数据就释放信号量
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/40ff6f6f86f781fbd810ce0576b4da65.png)
检测信号量，有值则从环形缓冲区里面获取数据,
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/1191cd66cb19fe0203f58ce04c666865.png)
这个信号量的所有操作就这些
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/26cd6dbdb1fc11be23b7807e902e8ad1.png)
出现断言
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/b6f8db7f37f84d6d39d851eed90ae1da.png)
我应该怎么去排查问题，内存写穿了吗，
sem!=RT_NULL 只是类型变了？ 系统里就这一个地方使用到了信号量。没有其他地方了
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220903/f2c1ac1aa0dfecd0ce46cda7cc7b1d1b.png)