embedded 原文存档
esp8266 NONOS SDK AP TCP服务端
基于ESP8266_NONOS_SDK-2.2.0
`os_timer_t OS_Timer_1;//定义软件定时器变量 //ap dhcp struct espconn ST_NetCon; esp_tcp ST_TCP; void ICACHE_FLASH_ATTR ESP8266_WIFI_Send_cb(void * arg) { os_printf("esp8266 send OK!\r\n"); } void ICACHE_FLASH_ATTR ESP8266_WIFI_Rev_cb(void * arg,char * pdata,unsigned short len) { struct espconn *T_arg=arg; remot_info *P_port_info=NULL; if(pdata[0]=='k'||pdata[0]=='K')gpio16_output_set(0);//开 else if(pdata[0]=='g'||pdata[0]=='G')gpio16_output_set(1);//关 os_printf("esp8266 rev data =%s\r\n",pdata); os_printf("remot rev cb ip add=%s\r\n",T_arg->proto.tcp->remote_ip); //tcp是面向连接的，直接T_arg信息 espconn_send(T_arg,"ESP8266 wifi rev TCP OK",os_strlen("ESP8266 wifi rev TCP OK"));//向对方发送应答 } void ICACHE_FLASH_ATTR ESP8266_TCP_Dissconnect_cb(void *arg) { os_printf("----ESP_TCP_Dissconnect CB!----\r\n"); } void ICACHE_FLASH_ATTR ESP_TCP_Connect_cb(void *arg) { espconn_regist_sentcb((struct espconn *)arg,ESP8266_WIFI_Send_cb); espconn_regist_recvcb((struct espconn *)arg,ESP8266_WIFI_Rev_cb); espconn_regist_disconcb((struct espconn *)arg,ESP8266_TCP_Dissconnect_cb); os_printf("----ESP_TCP_CONNECT OK!----\r\n"); } void ICACHE_FLASH_ATTR ESP_TCP_Break_cb(void *arg,sint8 err) { os_printf("----ESP_TCP_BREAK!----\r\n"); } void ICACHE_FLASH_ATTR ESP8266_NetCon_init(void) { ST_NetCon.type=ESPCONN_TCP;//通信协议TCP ST_NetCon.proto.tcp=&ST_TCP; //esp8266作为服务端，不需要先知道client的ip地址 ST_NetCon.proto.tcp->local_port=8266;//设置本地端口，客户端 // ST_NetCon.proto.tcp->remote_port=8888;//设置远程端口，服务端 // ST_NetCon.proto.tcp->remote_ip[0]=192;//设置远程ip端口，服务端 // ST_NetCon.proto.tcp->remote_ip[1]=168; // ST_NetCon.proto.tcp->remote_ip[2]=4; // ST_NetCon.proto.tcp->remote_ip[3]=2; espconn_regist_connectcb(&ST_NetCon,ESP_TCP_Connect_cb);//tcp连接成功建立后回调函数 espconn_regist_reconcb(&ST_NetCon,ESP_TCP_Break_cb);//tcp连接异常断开的回调函数 espconn_accept(&ST_NetCon);//创建TCP服务，建立侦听 espconn_regist_time(&ST_NetCon,300,0);//设置超时断开时间，最大7200秒 } void ICACHE_FLASH_ATTR ESP8266_AP_init(void) { struct softap_config AP_Config; wifi_set_opmode(0x02); os_memset(&AP_Config,0,sizeof(struct softap_config)); os_strcpy(AP_Config.ssid,"wifissid"); os_strcpy(AP_Config.password,"1234"); AP_Config.ssid_len=os_strlen("wifissid"); AP_Config.channel=1; AP_Config.authmode=AUTH_WPA2_PSK; AP_Config.ssid_hidden=0; AP_Config.max_connection=4; AP_Config.beacon_interval=100; wifi_softap_set_config(&AP_Config); } void ICACHE_FLASH_ATTR OS_Timer_1_cb(void)//软件定时器的回调函数 { struct ip_info ST_ESP8266_ip; u8 esp8266_ip[4]; wifi_get_ip_info(SOFTAP_IF,&ST_ESP8266_ip); if(ST_ESP8266_ip.ip.addr!=0) { esp8266_ip[0]=ST_ESP8266_ip.ip.addr; esp8266_ip[1]=ST_ESP8266_ip.ip.addr>>8; esp8266_ip[2]=ST_ESP8266_ip.ip.addr>>16; esp8266_ip[3]=ST_ESP8266_ip.ip.addr>>24; os_printf("ESP8266 ip=%d.%d.%d.%d\r\n",esp8266_ip[0],esp8266_ip[1],esp8266_ip[2],esp8266_ip[3]); os_timer_disarm(&OS_Timer_1);//关闭软件定时器 ESP8266_NetCon_init();//初始化网络通信TCP } } void ICACHE_FLASH_ATTR OS_Timer_1_Init(u32 timemsm,bool time_repetitive)//软件定时器初始化 { os_timer_disarm(&OS_Timer_1);//关闭软件定时器 os_timer_setfn(&OS_Timer_1,(os_timer_func_t *)OS_Timer_1_cb,NULL);//设置定时器，设置回调函数 os_timer_arm(&OS_Timer_1,timemsm, time_repetitive);//使能定时器 } //主函数调用 ESP8266_AP_init(); OS_Timer_1_Init(1000,1);`