embedded 原文存档
esp8266 NONOS SDK SNTP服务器
基于ESP8266_NONOS_SDK-2.2.0
`/********* 全局变量 ********/ //ap dhcp struct espconn ST_NetCon; esp_tcp ST_TCP; ip_addr_t IP_SEVER; /********* 宏定义 ********/ #define ESP8266_STA_SSID "wifiname" #define ESP8266_STA_PASS "123456" void ICACHE_FLASH_ATTR OS_Timer_SNTP_cb(void *arg) { u8 C_STR=0;//字符串字节计数 char A_Str_Data[20]={0};//【日期】字符串 char *T_A_Str_Data=A_Str_Data;//缓存数组指针 char A_Str_Clock[10]={0};//【时间】字符串 char *Str_Head_week; char *Str_Head_month; char *Str_Head_day; char *Str_Head_clock; char *Str_Head_year; u32 timestamp;//时间截 char *str_realtime;//实际时间字符串 timestamp=sntp_get_current_timestamp();//查询当前距离基准时间的时间差，单位秒1970.01.01 00：00：00 GMT+8 if(timestamp) { str_realtime=sntp_get_real_time(timestamp);//查询实际时间，GMT+8北京时间 os_printf("\r\n--------------------------\r\n"); os_printf("SNTP timestamp = %d\r\n",timestamp); os_printf("Real Time = %s\r\n",str_realtime); os_printf("\r\n--------------------------\r\n"); Str_Head_year=str_realtime; while(*Str_Head_year) Str_Head_year++; Str_Head_year-=5; T_A_Str_Data[4]=' '; os_memcpy(T_A_Str_Data,Str_Head_year,4); T_A_Str_Data+=5; Str_Head_week=str_realtime; Str_Head_month=os_strstr(Str_Head_week," ")+1; Str_Head_day=os_strstr(Str_Head_month," ")+1; Str_Head_clock=os_strstr(Str_Head_day," ")+1; C_STR=Str_Head_day-Str_Head_month; os_memcpy(T_A_Str_Data,Str_Head_month,C_STR); T_A_Str_Data+=C_STR; C_STR=Str_Head_clock-Str_Head_day; os_memcpy(T_A_Str_Data,Str_Head_day,C_STR); T_A_Str_Data+=C_STR; C_STR=Str_Head_month-Str_Head_week-1; os_memcpy(T_A_Str_Data,Str_Head_week,C_STR); T_A_Str_Data+=C_STR; *T_A_Str_Data='\0'; os_printf("OLED DATA =%s\r\n",A_Str_Data);//打印日期 os_memcpy(A_Str_Clock,Str_Head_clock,8); A_Str_Clock[8]='\0'; os_printf("OLED TIME =%s\r\n",A_Str_Clock);//打印时间 } } void ICACHE_FLASH_ATTR OS_Timer_SNTP_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_SNTP_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 } void ICACHE_FLASH_ATTR ESP8266_SNTP_init(void) { ip_addr_t *addr=(ip_addr_t *)os_zalloc(sizeof(ip_addr_t)); sntp_setservername(0,"us.pool.ntp.org"); sntp_setservername(1,"ntp.sjtu.edu.cn"); ipaddr_aton("210.72.145.44",addr); sntp_setserver(2,addr); os_free(addr); sntp_init(); OS_Timer_SNTP_Init(1000,1);//1秒重复定时sntp } void ICACHE_FLASH_ATTR OS_Timer_1_cb(void)//软件定时器的回调函数 { u8 C_LED_flash=0;//led闪烁计数 u8 S_WIFI_STA_connect; //wifi接入状态标志 struct ip_info ST_ESP8266_ip;//esp8266 ip 信息 u8 esp8266_ip[4];//esp8266 ip地址 S_WIFI_STA_connect=wifi_station_get_connect_status();//查询STA接入wifi状态 switch(S_WIFI_STA_connect) { case 0: os_printf("\nSTA IDLE\n");break; case 1: os_printf("\nSTA connecting...\n");break; case 2: os_printf("\nSTA password error...\n");break; case 3: os_printf("\nSTA no AP found...\n");break; case 4: os_printf("\nSTA connect fail...\n");break; case 5: os_printf("\nSTA geted IP,suss!\n");break; } if(S_WIFI_STA_connect==STATION_GOT_IP)//判断是否获取IP { wifi_get_ip_info(STATION_IF,&ST_ESP8266_ip);//获取STATION_IF下的ip地址 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]); } for(;C_LED_flash<=5;C_LED_flash++)//接入WIFI,LED快闪3次 { gpio16_output_set(C_LED_flash%2); delay_ms(100); } os_timer_disarm(&OS_Timer_1);//关闭软件定时器 //ESP8266_NetCon_init();//初始化网路UDP通信 ESP8266_SNTP_init(); } } 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 } void ICACHE_FLASH_ATTR ESP8266_STA_init(void) { struct station_config STA_config;//STA参数结构体 struct ip_info ST_ESP8266_IP;//STA信息结构体 wifi_set_opmode(0x01);//设置STA模式，并保存到FLASH // //设置STA模式下的IP地址，ESP8266默认试DHCP模式，接入WIFI会自动分配IP地址 // wifi_station_dhcpc_stop();//关闭DHCP // IP4_ADDR(&ST_ESP8266_IP.ip,192,168,1,8);//配置IP地址 // IP4_ADDR(&ST_ESP8266_IP.netmask,255,255,255,0);//配置子网掩码 // IP4_ADDR(&ST_ESP8266_IP.gw,192,168,1,1);//配置网关地址 // wifi_set_ip_info(STATION_IF,&ST_ESP8266_IP);//设置STA模式下的IP地址 os_memset(&STA_config,0,sizeof(struct station_config));//STA参数结构体清零 os_strcpy(STA_config.ssid,ESP8266_STA_SSID);//设置wifi名 os_strcpy(STA_config.password,ESP8266_STA_PASS);//设置wifi密码 wifi_station_set_config(&STA_config);//设置STA参数，并保存到flash } //主函数 ESP8266_STA_init(); OS_Timer_1_Init(1000,1);`