看门狗管理模块，实时监控主程序各个线程的心跳信息，如果某个心跳超时，看门狗模块重启该应用程序-Watchdog management module, real-time monitoring of each thread main heartbeat, if a heartbeat timeout, the watchdog module restart the application

char replybuffer[REPLYBUFFSIZ] uint8_t getReply(char *send, uint16_t timeout = 500, boolean echo = true) uint8_t espreadline(uint16_t timeout = 500, boolean multiline = false) boolean sendCheckReply(char *send, char *reply, uint16_t timeo