ESP8266学习笔记5：ESP8266接入yeelink

搞定了SmartConfig，前头也用cURL玩过了yeelink，今天就编写代码，让ESP8266接入yeelink。

本文作者twowinter，转载请注明作者：http://blog.csdn.net/iotisan/

一、代码处理。

主要是将http的sample加入到SmartConfig_DEMO中。ESP8266的运行流程是SmartConfig->DNS->Connect yeelink->Get /devices

这里的pheadbuffer 格式要注意加上U-ApiKey。我是通过wireshark捕捉了curl Get /devices的动作才知道要怎么写的。

#include "ets_sys.h"#include "osapi.h"#include "user_interface.h"#include "smartconfig.h"#include "espconn.h"#include "mem.h"#define NET_DOMAIN "api.yeelink.net"#define pheadbuffer "GET /v1.0/devices HTTP/1.1\r\nHost: %s\r\nAccept: */*\r\nU-ApiKey: e510ad132988d34c6fc9c3a9322f6f10\r\n\r\n"#define packet_size   (2 * 1024)LOCAL os_timer_t test_timer;LOCAL struct espconn user_tcp_conn;LOCAL struct _esp_tcp user_tcp;ip_addr_t tcp_server_ip;/****************************************************************************** * FunctionName : user_tcp_recv_cb * Description  : receive callback. * Parameters   : arg -- Additional argument to pass to the callback function * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_tcp_recv_cb(void *arg, char *pusrdata, unsigned short length){   //received some data from tcp connection    os_printf("tcp recv !!! %s \r\n", pusrdata);}/****************************************************************************** * FunctionName : user_tcp_sent_cb * Description  : data sent callback. * Parameters   : arg -- Additional argument to pass to the callback function * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_tcp_sent_cb(void *arg){   //data sent successfully    os_printf("tcp sent succeed !!! \r\n");}/****************************************************************************** * FunctionName : user_tcp_discon_cb * Description  : disconnect callback. * Parameters   : arg -- Additional argument to pass to the callback function * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_tcp_discon_cb(void *arg){   //tcp disconnect successfully    os_printf("tcp disconnect succeed !!! \r\n");}/****************************************************************************** * FunctionName : user_esp_platform_sent * Description  : Processing the application data and sending it to the host * Parameters   : pespconn -- the espconn used to connetion with the host * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_sent_data(struct espconn *pespconn){    char *pbuf = (char *)os_zalloc(packet_size);    os_sprintf(pbuf, pheadbuffer, NET_DOMAIN);    espconn_sent(pespconn, pbuf, os_strlen(pbuf));    os_free(pbuf);}/****************************************************************************** * FunctionName : user_tcp_connect_cb * Description  : A new incoming tcp connection has been connected. * Parameters   : arg -- Additional argument to pass to the callback function * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_tcp_connect_cb(void *arg){    struct espconn *pespconn = arg;    os_printf("connect succeed !!! \r\n");    espconn_regist_recvcb(pespconn, user_tcp_recv_cb);    espconn_regist_sentcb(pespconn, user_tcp_sent_cb);    espconn_regist_disconcb(pespconn, user_tcp_discon_cb);    user_sent_data(pespconn);}/****************************************************************************** * FunctionName : user_tcp_recon_cb * Description  : reconnect callback, error occured in TCP connection. * Parameters   : arg -- Additional argument to pass to the callback function * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_tcp_recon_cb(void *arg, sint8 err){   //error occured , tcp connection broke. user can try to reconnect here.     os_printf("reconnect callback, error code %d !!! \r\n",err);}/****************************************************************************** * FunctionName : user_dns_found * Description  : dns found callback * Parameters   : name -- pointer to the name that was looked up. *                ipaddr -- pointer to an ip_addr_t containing the IP address of *                the hostname, or NULL if the name could not be found (or on any *                other error). *                callback_arg -- a user-specified callback argument passed to *                dns_gethostbyname * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_dns_found(const char *name, ip_addr_t *ipaddr, void *arg){    struct espconn *pespconn = (struct espconn *)arg;    if (ipaddr == NULL) {        os_printf("user_dns_found NULL \r\n");        return;    }    //dns got ip    os_printf("user_dns_found %d.%d.%d.%d \r\n",            *((uint8 *)&ipaddr->addr), *((uint8 *)&ipaddr->addr + 1),            *((uint8 *)&ipaddr->addr + 2), *((uint8 *)&ipaddr->addr + 3));    if (tcp_server_ip.addr == 0 && ipaddr->addr != 0) {        // dns succeed, create tcp connection        os_timer_disarm(&test_timer);        tcp_server_ip.addr = ipaddr->addr;        os_memcpy(pespconn->proto.tcp->remote_ip, &ipaddr->addr, 4); // remote ip of tcp server which get by dns        pespconn->proto.tcp->remote_port = 80; // remote port of tcp server        pespconn->proto.tcp->local_port = espconn_port(); //local port of ESP8266        espconn_regist_connectcb(pespconn, user_tcp_connect_cb); // register connect callback        espconn_regist_reconcb(pespconn, user_tcp_recon_cb); // register reconnect callback as error handler        espconn_connect(pespconn); // tcp connect    }}/****************************************************************************** * FunctionName : user_esp_platform_dns_check_cb * Description  : 1s time callback to check dns found * Parameters   : arg -- Additional argument to pass to the callback function * Returns      : none*******************************************************************************/LOCAL void ICACHE_FLASH_ATTRuser_dns_check_cb(void *arg){    struct espconn *pespconn = arg;    espconn_gethostbyname(pespconn, NET_DOMAIN, &tcp_server_ip, user_dns_found); // recall DNS function    os_printf("dns_check\n");    os_timer_arm(&test_timer, 1000, 0);}/****************************************************************************** * FunctionName : CheckIpStart * Description  : set the router info which ESP8266 station will connect to  * Parameters   : none * Returns      : none*******************************************************************************/void ICACHE_FLASH_ATTRCheckIpStart(void){    // Connect to tcp server as NET_DOMAIN    user_tcp_conn.proto.tcp = &user_tcp;    user_tcp_conn.type = ESPCONN_TCP;    user_tcp_conn.state = ESPCONN_NONE;    tcp_server_ip.addr = 0;    espconn_gethostbyname(&user_tcp_conn, NET_DOMAIN, &tcp_server_ip, user_dns_found); // DNS function    os_timer_disarm(&test_timer);    os_timer_setfn(&test_timer, (os_timer_func_t *)user_dns_check_cb, user_tcp_conn);    os_timer_arm(&test_timer, 1000, 0);}void ICACHE_FLASH_ATTRsmartconfig_done(sc_status status, void *pdata){    switch(status) {        case SC_STATUS_WAIT:            os_printf("SC_STATUS_WAIT\n");            break;        case SC_STATUS_FIND_CHANNEL:            os_printf("SC_STATUS_FIND_CHANNEL\n");            break;        case SC_STATUS_GETTING_SSID_PSWD:            os_printf("SC_STATUS_GETTING_SSID_PSWD\n");            sc_type *type = pdata;            if (*type == SC_TYPE_ESPTOUCH) {                os_printf("SC_TYPE:SC_TYPE_ESPTOUCH\n");            } else {                os_printf("SC_TYPE:SC_TYPE_AIRKISS\n");            }            break;        case SC_STATUS_LINK:            os_printf("SC_STATUS_LINK\n");            struct station_config *sta_conf = pdata;            wifi_station_set_config(sta_conf);            wifi_station_disconnect();            wifi_station_connect();            break;        case SC_STATUS_LINK_OVER:            os_printf("SC_STATUS_LINK_OVER\n");            if (pdata != NULL) {                uint8 phone_ip[4] = {0};                os_memcpy(phone_ip, (uint8*)pdata, 4);                os_printf("Phone ip: %d.%d.%d.%d\n",phone_ip[0],phone_ip[1],phone_ip[2],phone_ip[3]);                CheckIpStart();            }            smartconfig_stop();            break;    }}void user_rf_pre_init(void){}void user_init(void){    os_printf("SDK version:%s\n", system_get_sdk_version());    wifi_set_opmode(STATION_MODE);    smartconfig_start(smartconfig_done);}

二、测试