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。

转载请注明：http://blog.csdn.net/sadshen/article/details/46897479

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_ATTR
user_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_ATTR
user_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_ATTR
user_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_ATTR
user_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_ATTR
user_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_ATTR
user_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_ATTR
user_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_ATTR
user_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_ATTR
CheckIpStart(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_ATTR
smartconfig_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